KA - MagicSearch.NET

Creation Time	Feb. 22, 2026, 2:06 p.m.
Last Access Time	Feb. 22, 2026, 2:06 p.m.
File Size	107.6 GB
Keywords	KA
Total Requests	1
Total Files	10847
Magnet Link	Please wait ...
	Download (Magnet Link) Play (Watch Online)

Subtitles.zip 259.1 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 07 - A conversation with Eric Schmidt and Jonathan Rosenberg.webm 231.0 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 12 - Preparing for the AP US History Exam (5_4_2016).webm 214.4 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 12 - Preparing for the AP US History Exam (5_4_2016).webm 214.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 03 - Scott Cook - Founder and Chairman of the Executive Committee, Intuit.webm 204.3 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 02 - Reid Hoffman - Founder of LinkedIn.webm 181.6 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 04 - Angela Ahrendts - Former CEO of Burberry.webm 169.9 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 05 - Sean O'Sullivan - Founder of SOSventures.webm 151.2 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 06 - Drew Houston - CEO and Founder of Dropbox.webm 144.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/02 - Hindu art in South Asia - 01 - Beliefs made visible_ Hindu art in South Asia.webm 142.6 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 01 - Elon Musk - CEO of Tesla Motors and SpaceX.webm 141.0 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 13 - AP US History Exam Prep Session (5_1_2017).webm 114.8 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 13 - AP US History Exam Prep Session (5_1_2017).webm 114.8 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 13 - Ai Weiwei_ Sunflower Seeds.webm 84.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 03 - Reims Cathedral.webm 81.3 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/01 - Household items - 02 - What is inside a coffee maker_.webm 78.1 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/03 - Buddhist art in South Asia - 01 - Beliefs made visible_ Buddhist art in South Asia.webm 77.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 02 - Chartres Cathedral.webm 74.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 32 - Your immune system_ Natural born killer.webm 73.4 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/01 - Household items - 01 - What is inside an alarm clock radio_.webm 73.4 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 04 - Amiens Cathedral.webm 72.4 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/02 - Hair dryer - 02 - What is inside a hair dryer_ (2 of 2).webm 68.2 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 03 - Biological molecules - You are what you eat.webm 66.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 01 - 6th graders learn to build a Spider robot.webm 66.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 08 - Restoring Rothko.webm 65.9 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 23 - Complex animals_ Annelids and arthropods.webm 64.1 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 08 - Photosynthesis.webm 63.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/06 - Persian - 01 - The Cyrus Cylinder and Ancient Persia.webm 62.1 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 03 - Entropy_ Embrace the chaos.webm 61.8 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/03 - Entropy - 03 - Entropy_ Embrace the chaos.webm 61.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 01 - The history of life on earth.webm 61.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 30 - The skeletal system_ It's ALIVE!.webm 61.5 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 34 - The reproductive system_ How gonads go.webm 60.9 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 07 - ATP and respiration.webm 60.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 06 - Spout motor wiring.webm 60.0 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 04 - Community ecology_ Feel the love.webm 58.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 05 - In da club - Membranes and transport.webm 58.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 04 - Parthenon (Acropolis).webm 57.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 10 - DNA structure and replication.webm 57.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/06 - The Roman Empire - 04 - Visualizing Imperial Rome.webm 56.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/01 - A beginner's guide to ancient Rome - 01 - Visualizing Imperial Rome.webm 56.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 39 - Fungi_ Death Becomes Them.webm 56.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 04 - Spout switches.webm 55.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 25 - Bumper switches.webm 55.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 07 - Spout wiring for LED eyes.webm 54.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 31 - Big Guns_ The Muscular System.webm 54.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 14 - Natural Selection.webm 54.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 35 - Old and Odd_ Archaea, Bacteria and Protists.webm 54.3 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 19 - Taxonomy_ Life's filing system.webm 54.1 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 10 - 5 human impacts on the environment.webm 53.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 11 - DNA, hot pockets, and the longest word ever.webm 53.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 29 - The excretory system_ From your heart to the toilet.webm 53.4 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 02 - Water - Liquid awesome.webm 53.3 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 20 - Evolution_ It's a Thing.webm 53.2 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 16 - Animal development_ We're just tubes.webm 52.9 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 18 - Population genetics_ When Darwin met Mendel.webm 52.6 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 28 - The digestive system.webm 52.2 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 37 - Vascular plants = Winning!.webm 51.6 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 24 - Chordates.webm 51.5 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 36 - The sex lives of nonvascular plants.webm 51.5 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 03 - Human population growth.webm 50.9 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 06 - Plant cells.webm 50.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 02 - Population ecology_ The Texas mosquito mystery.webm 50.2 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 02 - Gold-ground panel painting.webm 50.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/01 - A beginner's guide to the Late Gothic - 01 - Gold-ground panel painting.webm 50.1 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 02 - Buffers, the acid rain slayer.webm 50.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 02 - Buffers, the acid rain slayer.webm 50.0 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 01 - Calorimetry and enthalpy introduction.webm 49.7 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 01 - Calorimetry and enthalpy introduction.webm 49.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/03 - Venice and Ravenna - 01 - San Vitale, Ravenna.webm 49.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 15 - Speciation_ Of ligers and men.webm 49.6 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 09 - Heredity.webm 48.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 25 - Animal behavior.webm 48.1 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/03 - DVD player - 04 - What is inside a DVD player_ (4 of 5).webm 47.6 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 38 - The plants and the bees_ Plant reproduction.webm 47.4 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 05 - Community ecology II_ Predators.webm 47.2 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/09 - Projectile launcher - 02 - Build a ping pong ball launcher.webm 47.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/06 - Late empire - 04 - Arch of Constantine.webm 47.0 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 13 - Meiosis_ Where the sex starts.webm 47.0 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 14 - Motor controller.webm 46.4 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 27 - Circulatory and respiratory systems.webm 46.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 07 - Wheel mounts and fenders.webm 46.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 01 - Hagia Sophia, Istanbul.webm 46.2 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 26 - The nervous system.webm 46.1 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 40 - Ecology - Rules for living on earth.webm 46.1 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 05 - Gerhard Richter, September.webm 46.0 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 07 - Ecosystem ecology_ Links in the chain.webm 45.7 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/04 - Digital camera - 01 - What is inside a digital camera_ (1 of 2).webm 45.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 08 - Siphnian Treasury, Delphi.webm 45.6 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 04 - Eukaryopolis - The city of animal cells.webm 45.1 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 12 - Conservation and restoration ecology.webm 45.0 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 12 - Mitosis_ Splitting up is complicated.webm 44.7 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 11 - Pollution.webm 43.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/05 - Spain - 06 - Making a Spanish polychrome sculpture.webm 43.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/13 - Song dynasty (960-1279) - 01 - Master of the (Fishing) Nets Garden.webm 43.5 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/03 - Threats to biodiversity - 04 - Demystifying ocean acidification and biodiversity impacts.webm 43.1 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/03 - Threats to biodiversity - 04 - Demystifying ocean acidification and biodiversity impacts.webm 43.1 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/05 - Types of chemical reactions - 03 - Precipitation reactions.webm 43.0 MB
Science & engineering/06 - AP Chemistry - 03 - Chemical reactions/01 - Types of chemical reactions - 03 - Precipitation reactions.webm 43.0 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 26 - LED eyes.webm 42.2 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 01 - Catacomb of Priscilla, Rome.webm 41.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/04 - Campin - 02 - Workshop of Campin, Annunciation Triptych (Merode Altarpiece).webm 41.8 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 07 - Lithography process.webm 41.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/05 - Bali - 02 - Balinese dance, costumes, music.webm 41.5 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 09 - Worked example_ The honest truth about dishonesty.webm 41.4 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/01 - History of atomic structure - 01 - The history of atomic chemistry.webm 41.1 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/01 - History of atomic structure - 01 - The history of atomic chemistry.webm 41.1 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 08 - The hydrologic and carbon cycles_ Always recycle!.webm 40.8 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 04 - Sinan, Rüstem Pasha Mosque.webm 40.8 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 08 - Spout antennae and tail.webm 40.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 08 - Gabriel Orozco.webm 40.0 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/03 - Threats to biodiversity - 01 - Human activities that threaten biodiversity.webm 39.6 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/03 - Threats to biodiversity - 01 - Human activities that threaten biodiversity.webm 39.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 04 - Renaissance art.webm 39.5 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 17 - Evolutionary development_ Chicken teeth.webm 39.5 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 21 - Comparative anatomy_ What makes us animals.webm 39.4 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 06 - Ecological succession_ Change is good.webm 38.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 07 - Install on_off switches.webm 38.4 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 22 - Simple animals_ Sponges, jellies, and octopuses.webm 38.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/06 - Late classical (4th century) - 04 - Alexander Sarcophagus.webm 37.8 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/03 - Viceroyalty of Peru - 01 - San Pedro Apóstol de Andahuaylillas.webm 37.8 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 09 - Nitrogen and phosphorus cycles_ Always recycle!.webm 37.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 04 - Raphael, School of Athens.webm 37.2 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 11 - Looking at paintings.webm 37.0 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 16 - CNN_ Understanding the crisis.webm 37.0 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 01 - CNN_ Understanding the crisis.webm 37.0 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 04 - Durham Cathedral.webm 36.9 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/05 - Haitian Revolution - 01 - Haitian Revolution (Part 1).webm 36.9 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 03 - Napoleon and the War of the Third Coalition.webm 36.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 04 - Gerhard Richter, The Cage P.webm 36.4 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 05 - Napoleon's Peninsular Campaigns.webm 36.4 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 05 - Baroque and Rococo.webm 36.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 13 - Spider's LED eyes.webm 36.0 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 04 - Cuban Missile Crisis.webm 35.9 MB
Arts and humanities/02 - US history - 09 - The postwar era (1945-1980)/04 - 1960s America - 02 - Cuban Missile Crisis.webm 35.9 MB
Arts and humanities/03 - AP US History - 09 - Period 8_ 1945-1980/04 - 1960s America - 02 - Cuban Missile Crisis.webm 35.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/03 - Empire of Alexander the Great - 03 - Alexander the Great conquers Persia.webm 35.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 03 - Attach the LED eyes.webm 35.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 05 - Ambrogio Lorenzetti, Palazzo Pubblico frescos_ Allegory and effect of go.webm 35.6 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 02 - East Africa and the Horn of Africa/02 - Tanzania - 01 - Kilwa Kisiwani, Tanzania.webm 35.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/09 - Projectile launcher - 03 - Update and modify your ping pong ball launcher.webm 35.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 20 - Digital recorder_player connections.webm 35.3 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/02 - French Revolution - 03 - French Revolution (part 3) - Reign of Terror.webm 35.2 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 01 - Saloua Raouda Choucair_ Fro.webm 35.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 09 - Why is that important_ Looking at Jackson Pollock.webm 35.0 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 12 - Motors_propulsion.webm 34.9 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 08 - Yayoi Kusama.webm 34.9 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/04 - Protecting biodiversity - 02 - Protecting biodiversity_ the power of the individual.webm 34.6 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/04 - Protecting biodiversity - 02 - Protecting biodiversity_ the power of the individual.webm 34.6 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/09 - Sierra Leone - 02 - Sowei mask_ Spirit of Sierra Leone.webm 34.6 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 05 - Last Judgment Tympanum, Cathedral of St. Lazare, Autun.webm 34.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/01 - A beginner's guide to Renaissance Florence - 01 - How to recognize Italian Renaissance art.webm 34.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 15 - Motor controller connections.webm 34.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/04 - Early classical - 01 - East and West Pediments, Temple of Aphaia, Aegina.webm 34.2 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 13 - Reconciling thermodynamic and state definitions of entropy.webm 34.1 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 13 - Reconciling thermodynamic and state definitions of entropy.webm 34.1 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 09 - Reconciling thermodynamic and state definitions of entropy.webm 34.1 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/03 - Entropy - 04 - Reconciling thermodynamic and state definitions of entropy.webm 34.1 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 01 - Why carbon is a tramp.webm 34.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 06 - Nineteenth-century art.webm 33.9 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/04 - Colon diseases - 04 - Cancerous colon tissue.webm 33.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/04 - Goryeo dynasty (918-1392) - 01 - Reviving traditional Korean celadons.webm 33.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 04 - Biodiversity and natural selection.webm 33.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 04 - Biodiversity and natural selection.webm 33.8 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/03 - DVD player - 06 - What is inside a universal remote control_.webm 33.6 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/06 - Ancient Egypt - 01 - Overview of Ancient Egypt.webm 33.4 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/09 - Beginnings of Christianity - 01 - Jesus Christ and Christianity.webm 33.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/04 - Indonesia - 01 - Indonesian rod puppets (wayang golek).webm 33.3 MB
Arts and humanities/04 - Art history/14 - Art of Oceania - 02 - Polynesia/01 - Polynesia - 03 - A welcome to a Maori meeting house.webm 33.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 08 - Spider's power switch.webm 32.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 07 - The Himalayas/02 - Tibet - 02 - Views of Tibet.webm 32.5 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/06 - The Roman Empire - 03 - Ara Pacis.webm 32.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 02 - Ara Pacis.webm 32.3 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 18 - Wolfgang Laib, 'Pollen from Hazelnut'.webm 32.3 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/06 - Ancient Egypt - 02 - The Hittite Empire and the Battle of Kadesh.webm 32.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 05 - Great Altar of Zeus and Athena at Pergamon.webm 32.1 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 08 - AP Physics 1 review of Waves and Harmonic motion.webm 31.9 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 08 - AP Physics 1 review of Waves and Harmonic motion.webm 31.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/03 - Flanders - 01 - Peter Paul Rubens, Elevation of the Cross.webm 31.8 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 08 - Art historical analysis (painting), a basic introduction using Goya's Third of May,.webm 31.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/03 - Spain - 02 - Art historical analysis (painting), a basic introduction using Goya's Third of May, 1808.webm 31.7 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/01 - Elements and atoms - 02 - Introduction to the atom.webm 31.5 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/01 - Elements and atoms - 02 - Introduction to the atom.webm 31.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/04 - Pisa and Rome, the Late Gothic - 01 - Nicola Pisano, Pulpit, Pisa Baptistery; and Giovanni Pisano, Sla.webm 31.5 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 08 - The Mausoleum of Galla Placidia, Ravenna.webm 31.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/04 - Latin American Modernism - 02 - Diego Rivera, Man Controller of the Un.webm 31.4 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 09 - The search for extraterrestrial intelligence.webm 31.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 07 - Jacob Lawrence, The Migration Seri.webm 31.2 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/04 - Ancient art and artifacts - 01 - Standard of Ur from the Royal Tombs at Ur.webm 31.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/02 - Sumerian - 03 - Standard of Ur from the Royal Tombs at Ur.webm 31.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 07 - Fra Angelico, The Annunciation.webm 31.1 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 20 - Il Gesù, including Triumph of the Name of Jesus ceiling fresco.webm 31.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 07 - Introduction to Twentieth-Century Art.webm 31.0 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 05 - Sainte-Chapelle, Paris.webm 30.9 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/04 - Protecting biodiversity - 01 - Conservation and the race to save biodiversity.webm 30.9 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/04 - Protecting biodiversity - 01 - Conservation and the race to save biodiversity.webm 30.9 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 05 - Worked example_ Living in a rational society.webm 30.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 02 - Ghiberti, 'Gates of Paradise,' east doors of th.webm 30.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 02 - Hadrian's Villa, Tivoli_ A virtual tour.webm 30.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 03 - Hadrian's Villa, Tivoli_ A virtual tour.webm 30.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 08 - Maya Lin, Vietnam Veterans Memorial.webm 30.9 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 07 - AP Physics 1 review of Torque and Angular momentum.webm 30.8 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 07 - AP Physics 1 review of Torque and Angular momentum.webm 30.8 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/09 - Beginnings of Christianity - 02 - Paul and the apostles spread Christianity.webm 30.8 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/02 - Viceroyalty of New Spain - 05 - Screen with the Siege of Belgrade and Hunting Scene (Brooklyn Bio.webm 30.8 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 07 - Worked example_ Seeing color through Homer's eyes.webm 30.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 19 - 5 volt power distribution board.webm 30.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 02 - Leonardo_ Anatomist - by Nature Video.webm 30.5 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 09 - Bernini, Sant'Andrea al Quirinale.webm 30.1 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 16 - History of the Democratic Party.webm 30.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 10 - The Erechtheion.webm 29.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/05 - Kamakura period (1185-1333) - 03 - Tale of the Heike.webm 29.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 08 - Last Judgement of Hunefer, from his tomb.webm 29.8 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 05 - Hagia Sophia as a mosque.webm 29.7 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 01 - Hagia Sophia as a mosque.webm 29.7 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 03 - Relief process.webm 29.7 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 09 - AP Physics 1 Review of Charge and Circuits.webm 29.5 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 09 - AP Physics 1 Review of Charge and Circuits.webm 29.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 08 - Last Judgment (altar wall, Sistine Chapel).webm 29.5 MB
Science & engineering/08 - Biology - 23 - Ecology/05 - Community structure and diversity - 01 - Ecosystems and ecological networks.webm 29.4 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/01 - Ecosystems and ecosystem services - 01 - Ecosystems and ecological networks.webm 29.4 MB
Science & engineering/09 - AP Biology - 24 - Ecology/05 - Community structure and diversity - 01 - Ecosystems and ecological networks.webm 29.4 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/01 - Ecosystems and ecosystem services - 01 - Ecosystems and ecological networks.webm 29.4 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/03 - Threats to biodiversity - 03 - How does climate change affect biodiversity_.webm 29.4 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/03 - Threats to biodiversity - 03 - How does climate change affect biodiversity_.webm 29.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 07 - The Himalayas/01 - Nepal - 01 - Secrets of the stupa.webm 29.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 05 - Vietnam War.webm 29.3 MB
Arts and humanities/02 - US history - 09 - The postwar era (1945-1980)/04 - 1960s America - 03 - Vietnam War.webm 29.3 MB
Arts and humanities/03 - AP US History - 09 - Period 8_ 1945-1980/04 - 1960s America - 03 - Vietnam War.webm 29.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 03 - Robert Smithson, Spiral Jetty.webm 29.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/04 - Babylonian - 01 - Visiting Babylon.webm 29.3 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/04 - Protecting biodiversity - 03 - Protecting biodiversity_ local and global policies.webm 29.3 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/04 - Protecting biodiversity - 03 - Protecting biodiversity_ local and global policies.webm 29.3 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/04 - Colon diseases - 03 - Colon dysplasia.webm 29.2 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/01 - Ecosystems and ecosystem services - 02 - Ecosystem services.webm 29.2 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/01 - Ecosystems and ecosystem services - 02 - Ecosystem services.webm 29.2 MB
Science & engineering/08 - Biology - 23 - Ecology/05 - Community structure and diversity - 02 - Introduced species and biodiversity.webm 29.2 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/03 - Threats to biodiversity - 02 - Introduced species and biodiversity.webm 29.2 MB
Science & engineering/09 - AP Biology - 24 - Ecology/05 - Community structure and diversity - 02 - Introduced species and biodiversity.webm 29.2 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/03 - Threats to biodiversity - 02 - Introduced species and biodiversity.webm 29.2 MB
Arts and humanities/02 - US history - 12 - Surveys of history/01 - United States history overview - 01 - US History Overview 1_ Jamestown to the Civil War.webm 29.1 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 06 - Worked example_ The happy American.webm 29.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 01 - The Pantheon.webm 28.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 02 - The Pantheon.webm 28.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 05 - Create the motor mounts.webm 28.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 16 - William Butterfield, All Saints, Margaret Street.webm 28.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 04 - Wire the SPDT switches.webm 28.6 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 04 - Medieval goldsmiths - Treasures of Heaven at the British Mu.webm 28.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/02 - Wall painting - 02 - Dionysiac frieze, Villa of Mysteries, Pompeii.webm 28.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/02 - European Middle Ages_ feudalism and serfdom - 01 - Overview of the Middle Ages.webm 28.5 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 01 - Overview of ancient Greece.webm 28.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 06 - Giotto, Arena (Scrovegni) Chapel (part 2).webm 28.4 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/02 - Ancient Persia - 02 - Cyrus the Great establishes the Achaemenid Empire.webm 28.2 MB
Computing/04 - Computer animation - 01 - Lesson guides/01 - Learner's and educator's guides - 01 - Start here!.webm 28.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 05 - Battery and motor mounts for Spider.webm 28.1 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 01 - Introduction to mortgage loans.webm 28.1 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/05 - Ancient India - 01 - Indus Valley Civilization.webm 28.1 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 06 - Discovering the tree of life.webm 27.9 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/05 - Levels of biodiversity - 03 - Discovering the tree of life.webm 27.9 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 06 - Discovering the tree of life.webm 27.9 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/05 - Levels of biodiversity - 03 - Discovering the tree of life.webm 27.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/02 - Dada - 01 - Marcel Duchamp, The Large Glass.webm 27.9 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/01 - The conservator's eye - 03 - The conservator’s eye_ Anselm Kiefer, Bohemia Lies by the Sea.webm 27.9 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/03 - Stereoisomeric relationships - 03 - Meso compounds.webm 27.9 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 02 - AncientGreek and Roman art.webm 27.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 04 - Colosseum (Flavian Amphitheater).webm 27.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/02 - Pacher and Grünewald - 01 - Pacher, St. Wolfgang Altarpiece.webm 27.7 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/07 - Imperialism - 01 - Industrialization and imperialism.webm 27.7 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 02 - Origins of written language.webm 27.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 17 - Digital camera connections.webm 27.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 02 - Mortuary Temple of Hatshepsut and Large Kneeling Statue, New Kingdom,.webm 27.6 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 03 - Santa Maria Antiqua.webm 27.6 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 02 - Charlemagne and the Carolingian revival.webm 27.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/01 - Fauvism and Matisse - 06 - Conserving Henri Matisse's 'The Swimming Pool'.webm 27.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 05 - Picasso, Still Life with Chair Caning.webm 27.6 MB
Science & engineering/08 - Biology - 20 - Viruses/01 - Viruses - 01 - Viruses.webm 27.5 MB
Science & engineering/09 - AP Biology - 21 - Viruses/01 - Viruses - 01 - Viruses.webm 27.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/05 - Assyrian - 02 - Ashurbanipal hunting lions.webm 27.5 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/04 - The Protestant Reformation - 02 - Introduction to the Protestant Reformation_ Martin Luther.webm 27.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 06 - Reformation and Counter-Reformation/01 - Reformation and Counter-Reformation - 02 - Introduction to the Protestant Reformation_ Mart.webm 27.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/02 - Dada - 06 - Höch, Cut with the Kitchen Knife Dada Through the Last Weimar Beer-Belly Cultural Epoch of Germany.webm 27.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 02 - Korean War overview.webm 27.3 MB
Arts and humanities/02 - US history - 09 - The postwar era (1945-1980)/02 - 1950s America - 01 - Korean War overview.webm 27.3 MB
Arts and humanities/03 - AP US History - 09 - Period 8_ 1945-1980/02 - 1950s America - 01 - Korean War overview.webm 27.3 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/04 - Moche culture - 01 - Pair of Earflares, Winged Messengers (Moche Culture, Peru).webm 27.3 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/01 - Mendelian genetics - 02 - Worked example_ Punnett squares.webm 27.3 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/02 - Variations on Mendelian genetics - 01 - Worked example_ Punnett squares.webm 27.3 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/01 - Mendelian genetics - 02 - Worked example_ Punnett squares.webm 27.3 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/02 - Variations on Mendelian genetics - 01 - Worked example_ Punnett squares.webm 27.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/07 - Mendelian genetics - 03 - Worked example_ Punnett squares.webm 27.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 04 - Worked example_ Punnett squares.webm 27.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 05 - Basilica of Santa Sabina, Rome.webm 27.2 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 03 - History of the alphabet.webm 27.1 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 04 - Planning and propulsion.webm 27.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 07 - Alexander Mosaic from the House of the Faun, Pompeii.webm 26.9 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 03 - 1941 Axis momentum accelerates in WW2.webm 26.8 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 03 - 1941 Axis momentum accelerates in WW2.webm 26.8 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 03 - 1941 Axis momentum accelerates in WW2.webm 26.8 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/01 - The origin of humans and early human societies - 01 - History and prehistory.webm 26.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 22 - Renoir, Luncheon of the Boating Party.webm 26.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 02 - Bellini, St. Francis.webm 26.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 03 - Early photography/01 - Early photography - 01 - Early photography_ making daguerreotypes.webm 26.7 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/07 - Electric motor - 02 - Build your own motor.webm 26.6 MB
Science & engineering/01 - Physics - 12 - Circuits/02 - Circuits with capacitors - 05 - Capacitors in parallel.webm 26.6 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/02 - Circuits with capacitors - 05 - Capacitors in parallel.webm 26.6 MB
Test prep/02 - MCAT - 08 - Physical processes/15 - Capacitors - 05 - Capacitors in parallel.webm 26.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/02 - Buddhist art and culture, an introduction - 05 - Four Buddhas at the American Museum of Natural History.webm 26.6 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 02 - Sinan, Süleymaniye Mosque.webm 26.6 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/07 - Classic Veracruz culture - 01 - The Mesoamerican Ballgame and a Classic Veracruz yoke.webm 26.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 06 - Ceiling of the Sistine Chapel.webm 26.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/15 - Ming dynasty (1368–1644) - 02 - Classical gardens of Suzhou.webm 26.4 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 05 - Genetic variation, gene flow, and new species.webm 26.4 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 05 - Genetic variation, gene flow, and new species.webm 26.4 MB
Science & engineering/01 - Physics - 12 - Circuits/02 - Circuits with capacitors - 04 - Capacitors in series.webm 26.4 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/02 - Circuits with capacitors - 04 - Capacitors in series.webm 26.4 MB
Test prep/02 - MCAT - 08 - Physical processes/15 - Capacitors - 04 - Capacitors in series.webm 26.4 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 02 - Increasing political battles over slavery in the mid-1800s.webm 26.3 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 02 - Increasing political battles over slavery in the mid-1800s.webm 26.3 MB
Arts and humanities/01 - World history - 06 - The 20th century/06 - Aftermath of World War I - 02 - Woodrow Wilson's Fourteen Points.webm 26.3 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/02 - The United States in World War I - 04 - Woodrow Wilson's Fourteen Points.webm 26.3 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/02 - The United States in World War I - 04 - Woodrow Wilson's Fourteen Points.webm 26.3 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 02 - Scale of the small.webm 26.2 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/09 - Beginnings of Christianity - 04 - Arian Controversy and the Council of Nicaea.webm 26.2 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/07 - The Great Schism - 02 - Arian Controversy and the Council of Nicaea.webm 26.2 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 18 - Constitutional powers of the president.webm 26.1 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 11 - Spider's Arduino Nano.webm 26.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 06 - Allende and Pinochet in Chile.webm 26.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 17 - The Painting Techniques of Franz Kline.webm 26.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/08 - Maya - 02 - Vessel with a mythological scene (Maya).webm 26.0 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/08 - The Crusades - 04 - Knights Templar _ World History _ Khan Academy.webm 26.0 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/17 - Development of financial institutions - 01 - Knights Templar _ World History _ Khan Academy.webm 26.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 01 - Gentile da Fabriano, Adoration of the Magi.webm 26.0 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 01 - Making manuscripts.webm 25.9 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 02 - Books in medieval Europe/01 - Making the medieval book - 04 - Making manuscripts.webm 25.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 07 - Conserving the Gan Ku Tiger scroll painting at the British Museum.webm 25.9 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 09 - Cildo Meireles.webm 25.8 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 16 - Arduino connections.webm 25.8 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 07 - Qa'a_ The Damascus room.webm 25.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 04 - British art in the 18th century/01 - British art in the eighteenth century - 01 - William Hogarth, Marriage A-la-Mode (including Têt.webm 25.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 10 - Norman Rockwell, Rosie the Riveter.webm 25.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 02 - Books in medieval Europe/01 - Making the medieval book - 03 - A Medieval textbook.webm 25.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/01 - A beginner's guide to Baroque art - 01 - How to recognize Baroque art.webm 25.6 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 07 - Napoleon forced to abdicate.webm 25.5 MB
Science & engineering/08 - Biology - 23 - Ecology/01 - Intro to ecology - 01 - Ecology introduction.webm 25.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/01 - Intro to ecology - 01 - Ecology introduction.webm 25.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 16 - Tintoretto, the Miracle of the Slave.webm 25.5 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/07 - Long live Tau - 02 - Pi is (still) wrong.webm 25.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 02 - Moses (marble sculpture).webm 25.3 MB
Science & engineering/08 - Biology - 23 - Ecology/08 - Biogeography - 03 - New localities lead to new biodiversity.webm 25.3 MB
Science & engineering/09 - AP Biology - 24 - Ecology/08 - Biogeography - 03 - New localities lead to new biodiversity.webm 25.3 MB
Arts and humanities/04 - Art history/14 - Art of Oceania - 03 - Melanesia/01 - Melanesia - 02 - Bis Poles at The Metropolitan Museum of Art.webm 25.2 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/05 - Bali - 04 - Balinese boar Barong dance performance.webm 25.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 12 - The Painting Techniques of Jackson Pollock.webm 25.1 MB
Arts and humanities/02 - US history - 12 - Surveys of history/01 - United States history overview - 03 - US History overview 3_ WWII to Vietnam.webm 25.1 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 10 - An installation by Xu Bing at the British Museum.webm 25.1 MB
Science & engineering/08 - Biology - 27 - Human biology/03 - The kidney and nephron - 01 - The kidney and nephron.webm 25.0 MB
Science & engineering/09 - AP Biology - 28 - Human biology/03 - The kidney and nephron - 01 - The kidney and nephron.webm 25.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 07 - The kidney and nephron.webm 25.0 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 08 - The kidney and nephron.webm 25.0 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 07 - The kidney and nephron.webm 25.0 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 06 - Pentecost and Mission to the Apostles Tympanum, Vézelay.webm 24.9 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 06 - The Enigma encryption machine.webm 24.9 MB
Computing/02 - Computer science - 04 - Internet 101/01 - How the internet works - 02 - IP addresses and DNS.webm 24.9 MB
Science & engineering/08 - Biology - 23 - Ecology/08 - Biogeography - 02 - Why biodiversity is distributed unevenly.webm 24.9 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/02 - Global distribution of biodiversity - 03 - Why biodiversity is distributed unevenly.webm 24.9 MB
Science & engineering/09 - AP Biology - 24 - Ecology/08 - Biogeography - 02 - Why biodiversity is distributed unevenly.webm 24.9 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/02 - Global distribution of biodiversity - 03 - Why biodiversity is distributed unevenly.webm 24.9 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/01 - Politics and society in the early nineteenth century - 04 - The Market Revolution -impact and significance.webm 24.8 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/01 - Politics and society in the early nineteenth century - 04 - The Market Revolution -impact and significance.webm 24.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/05 - Van Eyck - 02 - Jan van Eyck, The Ghent Altarpiece (2 of 2).webm 24.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/06 - Muromachi period (1392–1573) - 01 - Ryoanji.webm 24.8 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 10 - The Gettysburg Address - full text and analysis.webm 24.7 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 10 - The Gettysburg Address - full text and analysis.webm 24.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 04 - Lindau Gospels cover.webm 24.7 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 03 - AP Physics 1 review of Forces and Newton's Laws.webm 24.7 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 03 - AP Physics 1 review of Forces and Newton's Laws.webm 24.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/13 - Human rights - 03 - Independence movements in the 20th Century.webm 24.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 11 - Power wires and on_off switch.webm 24.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 08 - Component mounting holes.webm 24.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 08 - Introduction to Contemporary Art.webm 24.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/05 - Joseon dynasty (1392–1910) - 03 - Nine Cloud Dream.webm 24.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 06 - Hector Guimard, Cité entrance, Paris Métropolitain.webm 24.6 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/04 - Colon diseases - 01 - Normal colon tissue.webm 24.5 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 07 - Limiting reactant example problem 1 edited.webm 24.5 MB
Science & engineering/08 - Biology - 12 - Cell division/04 - Cell cycle regulation, cancer, and stem cells - 01 - Embryonic stem cells.webm 24.4 MB
Science & engineering/08 - Biology - 17 - Biotechnology/04 - Stem cells - 01 - Embryonic stem cells.webm 24.4 MB
Science & engineering/08 - Biology - 18 - Developmental biology/01 - Development and differentiation - 03 - Embryonic stem cells.webm 24.4 MB
Science & engineering/09 - AP Biology - 13 - Cell division/04 - Cell cycle regulation, cancer, and stem cells - 01 - Embryonic stem cells.webm 24.4 MB
Science & engineering/09 - AP Biology - 18 - Biotechnology/04 - Stem cells - 01 - Embryonic stem cells.webm 24.4 MB
Science & engineering/09 - AP Biology - 19 - Developmental biology/01 - Development and differentiation - 03 - Embryonic stem cells.webm 24.4 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 11 - Embryonic stem cells.webm 24.4 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 03 - Deësis mosaic, Hagia Sophia, Istanbul.webm 24.4 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 01 - Slavery and the Missouri Compromise.webm 24.4 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 01 - Slavery and the Missouri Compromise.webm 24.4 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 06 - Prelude to the Peloponnesian War.webm 24.4 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 19 - 2015 AP Chemistry free response 6.webm 24.3 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 19 - 2015 AP Chemistry free response 6.webm 24.3 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 03 - Bay of Pigs Invasion.webm 24.3 MB
Arts and humanities/02 - US history - 09 - The postwar era (1945-1980)/04 - 1960s America - 01 - Bay of Pigs Invasion.webm 24.3 MB
Arts and humanities/03 - AP US History - 09 - Period 8_ 1945-1980/04 - 1960s America - 01 - Bay of Pigs Invasion.webm 24.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/03 - Hieronymus Bosch - 01 - Bosch, the Last Judgment.webm 24.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 03 - Masaccio, Holy Trinity.webm 24.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 03 - Aegean art/01 - Cycladic - 02 - Frescoes from Akrotiri, Thera.webm 24.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 02 - Santa Maria Antiqua Sarcophagus.webm 24.2 MB
Computing/02 - Computer science - 04 - Internet 101/01 - How the internet works - 01 - Wires, cables, and WiFi.webm 24.2 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 07 - Electrostatic telegraphs (case study).webm 24.2 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/08 - Electrostatics - 04 - Electrostatic telegraphs (case study).webm 24.2 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 04 - Strategy of the Civil War.webm 24.2 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 04 - Strategy of the Civil War.webm 24.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 03 - Aegean art/02 - Mycenaean - 03 - Lion Gate, Mycenae, c. 1300-1250 B.C.E..webm 24.2 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 09 - Carnot cycle and Carnot engine.webm 24.1 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 09 - Carnot cycle and Carnot engine.webm 24.1 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 05 - Carnot cycle and Carnot engine.webm 24.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 10 - Architecture and design/01 - Architecture and design - 04 - Mies van der Rohe, Seagram Building.webm 24.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 01 - Cimabue, Santa Trinita Madonna.webm 24.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 09 - Michelangelo, Medici Chapel (New Sacristy).webm 24.1 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 04 - AP Physics 1 review of Centripetal Forces.webm 24.0 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 04 - AP Physics 1 review of Centripetal Forces.webm 24.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 05 - Géricault, Raft of the Medusa.webm 24.0 MB
Arts and humanities/02 - US history - 12 - Surveys of history/01 - United States history overview - 02 - US History overview 2_ Reconstruction to the Great Depression.webm 24.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/01 - Beginner’s guide to Japanese Art - 02 - Shinto.webm 24.0 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/03 - Threats to biodiversity - 05 - Biodiversity and extinction, then and now.webm 24.0 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/03 - Threats to biodiversity - 05 - Biodiversity and extinction, then and now.webm 24.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/12 - Aztec (Mexica) - 01 - Coatlicue.webm 24.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/06 - Muromachi period (1392–1573) - 02 - The Way of Tea.webm 24.0 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/02 - The birth of agriculture and the neolithic revolution - 01 - Origins of agriculture.webm 24.0 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/01 - Politics and society in the early nineteenth century - 01 - The Monroe Doctrine.webm 23.9 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/01 - Politics and society in the early nineteenth century - 01 - The Monroe Doctrine.webm 23.9 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 06 - French invasion of Russia.webm 23.9 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 03 - 2015 AP Biology free response, 2a-b.webm 23.9 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 03 - 2015 AP Biology free response, 2a-b.webm 23.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 06 - Bernini, Ecstasy of Saint Teresa.webm 23.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/04 - Zhou dynasty (c. 1046 B.C.E.-256 B.C.E.) - 01 - Da Ke Ding.webm 23.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 03 - Neo-Classicism/01 - Neo-Classicism - 01 - David, Oath of the Horatii.webm 23.9 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/02 - Hair dryer - 01 - What is inside a hair dryer_ (1 of 2).webm 23.8 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/05 - Levels of biodiversity - 01 - Genes and biodiversity.webm 23.8 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/05 - Levels of biodiversity - 01 - Genes and biodiversity.webm 23.8 MB
Computing/02 - Computer science - 04 - Internet 101/01 - How the internet works - 03 - Packet, routers, and reliability.webm 23.8 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/08 - Maya - 01 - Chakalte’, Relief with Enthroned Ruler (Maya).webm 23.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 04 - Masaccio, The Tribute Money in the Brancacci Chapel.webm 23.7 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 01 - Ancient Near Eastern and ancient Egyptian art.webm 23.7 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 09 - Morse code and the information age.webm 23.7 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/04 - The Protestant Reformation - 03 - Introduction to the Protestant Reformation_ Varieties of Protestantism.webm 23.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 06 - Reformation and Counter-Reformation/01 - Reformation and Counter-Reformation - 03 - Introduction to the Protestant Reformation_ Vari.webm 23.7 MB
Arts and humanities/04 - Art history/01 - Art history basics - 01 - First things first/01 - First things first - 02 - A brief history of religion in art.webm 23.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 19 - Meschac Gaba.webm 23.7 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 01 - Tempera paint.webm 23.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 06 - The Forum of Trajan.webm 23.6 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 01 - Detectable civilizations in our galaxy 1.webm 23.5 MB
Computing/02 - Computer science - 04 - Internet 101/01 - How the internet works - 05 - Encryption and public keys.webm 23.5 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/01 - The conservator's eye - 02 - The conservator's eye_ Taddeo Gaddi, Saint Julian.webm 23.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/04 - Babylonian - 05 - Towers of Babel.webm 23.5 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 04 - Napoleon and the War of the Fourth Coalition.webm 23.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 07 - Gustav Klimt, Beethoven Frieze.webm 23.5 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 06 - Variation in a species.webm 23.5 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 06 - Variation in a species.webm 23.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 04 - Eleusis Amphora.webm 23.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 09 - Baby circulation right after birth.webm 23.3 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 09 - Baby circulation right after birth.webm 23.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/10 - Reliquaries and tapestries - 02 - The Unicorn in Captivity.webm 23.3 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 01 - Human evolution overview.webm 23.3 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/02 - The diversification of life - 04 - Human evolution overview.webm 23.3 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/02 - The diversification of life - 04 - Human evolution overview.webm 23.3 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/10 - Humanity on earth - 01 - Development of agriculture and writing.webm 23.3 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 04 - Development of agriculture and writing.webm 23.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 10 - Jackson Pollock.webm 23.2 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 02 - Gaudí, Sagrada Família.webm 23.2 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 08 - Worked example_ Physical education in the UK.webm 23.1 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 03 - Spout's sliding SPDT switch.webm 23.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 02 - Inflammatory bowel disease_ Epidemiology and pathology.webm 23.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 02 - Inflammatory bowel disease_ Epidemiology and pathology.webm 23.1 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/02 - European Middle Ages_ feudalism and serfdom - 05 - An overview of the Crusades (part 2).webm 23.1 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/08 - The Crusades - 02 - An overview of the Crusades (part 2).webm 23.1 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/02 - The light-dependent reactions - 03 - Photosynthesis_ Overview of the light-dependent reactions.webm 23.1 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/02 - The light-dependent reactions - 03 - Photosynthesis_ Overview of the light-dependent reactions.webm 23.1 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/03 - Venice and Ravenna - 03 - Saint Mark's Basilica, Venice.webm 23.1 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/12 - Aztec (Mexica) - 03 - The Sun Stone (The Calendar Stone).webm 23.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/05 - Spain - 05 - Jerónimo de Balbás,Altar of the Kings (Altar de los Reyes).webm 23.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/02 - Viceroyalty of New Spain - 06 - Jerónimo de Balbás,Altar of the Kings (Altar de los Reyes).webm 23.0 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 02 - Molecular and empirical formulas.webm 23.0 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 11 - Enterprise value.webm 23.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 05 - Intaglio process.webm 22.9 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/03 - Translation - 02 - Translation (mRNA to protein).webm 22.9 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/03 - Translation - 02 - Translation (mRNA to protein).webm 22.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 08 - Translation (mRNA to protein).webm 22.9 MB
Computing/02 - Computer science - 04 - Internet 101/01 - How the internet works - 04 - HTTP and HTML.webm 22.9 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/01 - How to think like a historian - 03 - How to read a document_ analyzing a historical text.webm 22.9 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/01 - Thinking like a historian - 03 - How to read a document_ analyzing a historical text.webm 22.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 05 - Andrea Mantegna, San Zeno Altarpiece.webm 22.8 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/03 - Culture and reform in the early nineteenth century - 02 - The Second Great Awakening - influence of the Market Revolution.webm 22.8 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/03 - Culture and reform - 02 - The Second Great Awakening - influence of the Market Revolution.webm 22.8 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/05 - The Russian Empire - 01 - How did Russia begin_.webm 22.8 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 11 - Xu Bing, Book from the Sky.webm 22.8 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 06 - The prime number theorem.webm 22.8 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 06 - Act 3.webm 22.8 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/02 - French Revolution - 02 - French Revolution (part 2).webm 22.8 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/02 - French Revolution - 01 - French Revolution (part 1).webm 22.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 08 - Delacroix, Liberty Leading the People.webm 22.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 04 - Rembrandt, The Night Watch.webm 22.7 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 02 - Napoleon and the Wars of the First and Second Coalitions.webm 22.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 09 - Fiona Rae on paint and pass.webm 22.7 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 03 - Start of the Civil War - secession and Fort Sumter.webm 22.7 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 03 - Start of the Civil War - secession and Fort Sumter.webm 22.7 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/05 - Haitian Revolution - 02 - Haitian Revolution (Part 2).webm 22.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 01 - A look at modern veneration from the British Museum.webm 22.7 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 04 - Origin of Markov chains.webm 22.7 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/02 - French Revolution - 04 - French Revolution (part 4) - The Rise of Napoleon Bonaparte.webm 22.7 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 01 - French Revolution (part 4) - The Rise of Napoleon Bonaparte.webm 22.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 02 - Heart cells up close!.webm 22.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 03 - Heart cells up close!.webm 22.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 01 - Duccio, Maesta (front).webm 22.6 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 05 - Plotting projectile displacement, acceleration, and velocity.webm 22.4 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 05 - Plotting projectile displacement, acceleration, and velocity.webm 22.4 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/03 - Ancient Mesopotamia - 01 - Ancient Mesopotamia.webm 22.4 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 07 - Position vs. time graphs.webm 22.4 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 07 - Position vs. time graphs.webm 22.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 02 - Picasso, Les Demoiselles d'Avignon.webm 22.4 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 04 - Biological basis of schizophrenia.webm 22.3 MB
Arts and humanities/02 - US history - 04 - The road to revolution (1754-1800)/01 - The American Revolution - 03 - The Declaration of Independence.webm 22.3 MB
Arts and humanities/03 - AP US History - 04 - Period 3_ 1754-1800/01 - The American Revolution - 03 - The Declaration of Independence.webm 22.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 08 - Giotto, Arena (Scrovegni) Chapel (part 4).webm 22.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 08 - Cellini, Perseus.webm 22.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 06 - Ancient Greek temples at Paestum, Italy.webm 22.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 04 - The Emperor Triumphant (Barberini Ivory).webm 22.3 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 02 - Categories of mental disorders.webm 22.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 10 - Borromini, San Carlo alle Quattro Fontane.webm 22.2 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/05 - Inka - 01 - Inka ushnus_ landscape, site and symbol in the Andes.webm 22.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/05 - Bramante - 01 - Bramante, Tempietto.webm 22.1 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 02 - Acceleration of aircraft carrier take-off.webm 22.1 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 02 - Acceleration of aircraft carrier take-off.webm 22.1 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 10 - A brief history of representing the body in Western painting.webm 22.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 24 - FRB commentary 3_ Big picture.webm 22.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/01 - Early Victorian - 01 - Charles Barry and A.W.N. Pugin, Palace of Westminster (Houses of Parliament).webm 22.1 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/02 - Realism in the United States - 01 - Francis Guy, Winter Scene in Brooklyn.webm 22.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 10 - Architecture and design/01 - Architecture and design - 05 - Breuer, The Whitney Museum of American Art (now The Met Breuer).webm 22.0 MB
Science & engineering/08 - Biology - 27 - Human biology/01 - Circulatory and pulmonary systems - 01 - The lungs and pulmonary system.webm 22.0 MB
Science & engineering/09 - AP Biology - 28 - Human biology/01 - Circulatory and pulmonary systems - 01 - The lungs and pulmonary system.webm 22.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 07 - The lungs and pulmonary system.webm 22.0 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 07 - The lungs and pulmonary system.webm 22.0 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 07 - Newman projection practice 1.webm 22.0 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 07 - Newman projection practice 1.webm 22.0 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/01 - Politics and society in the early nineteenth century - 02 - The Market Revolution - textile mills and the cotton gin.webm 22.0 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/01 - Politics and society in the early nineteenth century - 02 - The Market Revolution - textile mills and the cotton gin.webm 22.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 06 - The classical orders.webm 22.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 03 - Glossary/01 - Glossary - 03 - The classical orders.webm 22.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/01 - A beginner's guide to ancient Greece - 01 - The classical orders.webm 22.0 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 07 - AP US History DBQ example 3.webm 22.0 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 07 - AP US History DBQ example 3.webm 22.0 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/04 - The Protestant Reformation - 04 - Introduction to the Protestant Reformation_ The Counter-Reformation.webm 21.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 06 - Reformation and Counter-Reformation/01 - Reformation and Counter-Reformation - 04 - Introduction to the Protestant Reformation_ The .webm 21.9 MB
Arts and humanities/02 - US history - 12 - Surveys of history/01 - United States history overview - 06 - 20th century US capitalism and regulation.webm 21.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/02 - Hindu art in South Asia - 02 - The making and worship of Ganesha statues in Maharashtra.webm 21.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 07 - The ovarian cycle.webm 21.9 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 07 - The ovarian cycle.webm 21.9 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 07 - The ovarian cycle.webm 21.9 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 03 - Super hot tension.webm 21.9 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/06 - Tension - 03 - Super hot tension.webm 21.9 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/03 - Sikhism - 01 - Sikhism introduction.webm 21.8 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/03 - Limiting reagent stoichiometry - 03 - 2015 AP Chemistry free response 2a (part 1 of 2).webm 21.8 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 05 - 2015 AP Chemistry free response 2a (part 1 of 2).webm 21.8 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/03 - Limiting reagent stoichiometry - 03 - 2015 AP Chemistry free response 2a (part 1 of 2).webm 21.8 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 05 - 2015 AP Chemistry free response 2a (part 1 of 2).webm 21.8 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/05 - From Roman Republic to Roman Empire - 03 - Ides of March spark a civil war.webm 21.8 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 01 - 3rd graders build robots at Santa Rita Elementary School.webm 21.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/05 - Joseon dynasty (1392–1910) - 01 - Royal palaces of Seoul.webm 21.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 09 - Graphing rational functions 3.webm 21.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 09 - Graphing rational functions 3.webm 21.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 15 - Alberti, Façade of Santa Maria Novella, Florence.webm 21.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 10 - Troost, House of German Art and the.webm 21.6 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 07 - The Peloponnesian War.webm 21.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/03 - Sculpture - 04 - Adriaen de Vries's bronze casting technique_ direct lost-wax method.webm 21.6 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 01 - Macrostates and microstates.webm 21.5 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 01 - Macrostates and microstates.webm 21.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 06 - Macrostates and microstates.webm 21.5 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 03 - Medieval period/01 - Medieval period - 04 - Ilkhanid Mihrab.webm 21.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/09 - The Mongols - 04 - Ottoman, Safavid and Mughal Empires.webm 21.5 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/02 - Mughal rule in India - 02 - Ottoman, Safavid and Mughal Empires.webm 21.5 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 01 - Introduction to gravity.webm 21.4 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 01 - Introduction to gravity.webm 21.4 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/10 - Humanity on earth - 03 - Land productivity limiting human population.webm 21.4 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 08 - Land productivity limiting human population.webm 21.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 07 - Sanctuary of Apollo at Delphi.webm 21.4 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 08 - AP US History DBQ example 4.webm 21.4 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 08 - AP US History DBQ example 4.webm 21.4 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/04 - Spread of Islam - 02 - Spread of Islamic Culture.webm 21.4 MB
Science & engineering/08 - Biology - 23 - Ecology/02 - Intro to population ecology - 01 - Life history strategies and fecundity.webm 21.3 MB
Science & engineering/09 - AP Biology - 24 - Ecology/02 - Intro to population ecology - 01 - Life history strategies and fecundity.webm 21.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 06 - The Last Supper.webm 21.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/05 - Kamakura period (1185-1333) - 01 - A brief history of samurai armor.webm 21.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/05 - From Roman Republic to Roman Empire - 04 - Augustus becomes the first Emperor of Roman Empire.webm 21.3 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/03 - Stereoisomeric relationships - 02 - Enantiomers and diastereomers.webm 21.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 08 - Enantiomers and diastereomers.webm 21.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/09 - Quarton (_) - 01 - Enguerrand Quarton(_), Pietà of Villeneuve-lès-Avignon.webm 21.3 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 08 - Depolarization waves flowing through the heart.webm 21.3 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 07 - Depolarization waves flowing through the heart.webm 21.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 05 - Nabataean/01 - Nabataean - 01 - Petra_ UNESCO Siq Project.webm 21.2 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 08 - Work done by isothermic process.webm 21.2 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 08 - Work done by isothermic process.webm 21.2 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 04 - Work done by isothermic process.webm 21.2 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/03 - Acceleration - 05 - Acceleration vs. time graphs.webm 21.2 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/03 - Acceleration - 05 - Acceleration vs. time graphs.webm 21.2 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 16 - Wang Peng_ Performance as politics in China and beyond.webm 21.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 06 - Chassis_frame.webm 21.1 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 14 - Entropy intuition.webm 21.1 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 14 - Entropy intuition.webm 21.1 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 10 - Entropy intuition.webm 21.1 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/03 - Entropy - 05 - Entropy intuition.webm 21.1 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/01 - American Revolution - 01 - The Seven Years' War_ background and combatants.webm 21.1 MB
Arts and humanities/02 - US history - 04 - The road to revolution (1754-1800)/01 - The American Revolution - 01 - The Seven Years' War_ background and combatants.webm 21.1 MB
Arts and humanities/03 - AP US History - 04 - Period 3_ 1754-1800/01 - The American Revolution - 01 - The Seven Years' War_ background and combatants.webm 21.1 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/06 - Ancient Colombian chiefdoms - 03 - From wax to metal_ Goldmaking techniques of the ancient.webm 21.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 10 - Architecture and design/01 - Architecture and design - 01 - Glass Chair at the 1939 New York World's Fair.webm 21.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 08 - Manet, Le déjeuner sur l'herbe.webm 21.1 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/03 - Empire of Alexander the Great - 02 - Alexander the Great takes power.webm 21.1 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 01 - Drawing dot structures.webm 21.1 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 01 - Drawing dot structures.webm 21.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 01 - Drawing dot structures.webm 21.1 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 01 - 2015 AP Biology free response, 1a-c.webm 21.1 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 01 - 2015 AP Biology free response, 1a-c.webm 21.1 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 06 - Wilton Diptych.webm 21.0 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/01 - Energy in metabolism - 01 - Introduction tometabolism_ Anabolism and catabolism.webm 21.0 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/01 - Energy in metabolism - 01 - Introduction tometabolism_ Anabolism and catabolism.webm 21.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 08 - Mantegna, Camera degli Sposi.webm 20.9 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/03 - Ghana - 01 - Sika dwa kofi (Golden Stool), Asante people.webm 20.9 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 14 - Conserving Chris Ofili.webm 20.9 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/07 - Nigeria - 02 - Ife remembered.webm 20.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/01 - Hindu art and culture, an introduction - 05 - Festival of the Goddess Durga.webm 20.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/06 - Aortic dissection and aneurysm - 03 - Abdominal aortic aneurysms.webm 20.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/11 - Aortic dissection and aneurysm - 03 - Abdominal aortic aneurysms.webm 20.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 01 - Introduction—Becoming Modern/01 - Introduction—Becoming Modern - 01 - Unlock Art_ Where are the Women_.webm 20.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 07 - Hemoglobin moves O2 and CO2.webm 20.8 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 07 - Hemoglobin moves O2 and CO2.webm 20.8 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 02 - Hemoglobin moves O2 and CO2.webm 20.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 07 - Kandinsky, Improvisation 28 (second version), 1912.webm 20.8 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/01 - 1. We are all storytellers - 02 - Your unique perspective.webm 20.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 03 - Cimabue, Santa Trinita Madonna and Giotto's Ognissanti Madonna.webm 20.8 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 05 - Helper T cells.webm 20.7 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 05 - Helper T cells.webm 20.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 05 - Helper T cells.webm 20.7 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 05 - Helper T cells.webm 20.7 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 05 - Helper T cells.webm 20.7 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 03 - Measuring information.webm 20.7 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/04 - 19th century American sculpture, architecture and photography - 01 - Mark Hopkins House Side Chair.webm 20.7 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 09 - A brief history of representing of the body in Western sculpture.webm 20.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 05 - Spout motor mount.webm 20.7 MB
Science & engineering/08 - Biology - 12 - Cell division/01 - Introduction to cell division - 03 - Chromosomes, chromatids and chromatin.webm 20.7 MB
Science & engineering/09 - AP Biology - 13 - Cell division/01 - Introduction to cell division - 03 - Chromosomes, chromatids and chromatin.webm 20.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 01 - Communism.webm 20.6 MB
Arts and humanities/02 - US history - 09 - The postwar era (1945-1980)/01 - The postwar era, 1945-1950 - 02 - Communism.webm 20.6 MB
Arts and humanities/03 - AP US History - 09 - Period 8_ 1945-1980/01 - The postwar era, 1945-1950 - 02 - Communism.webm 20.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 07 - The Himalayas/02 - Tibet - 01 - Sacred arts of Tibet.webm 20.6 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/06 - Teotihuacan - 01 - Teotihuacan.webm 20.6 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 10 - Proof_ Volume ratios in a carnot cycle.webm 20.6 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 10 - Proof_ Volume ratios in a carnot cycle.webm 20.6 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 06 - Proof_ Volume ratios in a carnot cycle.webm 20.6 MB
Science & engineering/08 - Biology - 19 - Bacteria and archaea/01 - Prokaryote structure - 01 - Bacteria.webm 20.6 MB
Science & engineering/09 - AP Biology - 20 - Bacteria and archaea/01 - Prokaryote structure - 01 - Bacteria.webm 20.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 14 - Willem de Kooning, Woman, I.webm 20.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 05 - Attic Black-Figure_ Exekias, amphora with Ajax and Achilles playing a game.webm 20.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 05 - Art 1010/01 - Art 1010 - 03 - Medieval and Byzantine art.webm 20.6 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 03 - Atomic Energy Levels.webm 20.6 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 03 - Atomic Energy Levels.webm 20.6 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Standard cell potentials - 05 - 2015 AP Chemistry free response 1a.webm 20.5 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 01 - 2015 AP Chemistry free response 1a.webm 20.5 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/03 - Standard cell potentials - 05 - 2015 AP Chemistry free response 1a.webm 20.5 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 01 - 2015 AP Chemistry free response 1a.webm 20.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 08 - E2 elimination_ Stereospecificity.webm 20.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 03 - El Anatsui, Untitled.webm 20.5 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/03 - Ghana - 02 - El Anatsui, Untitled.webm 20.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 09 - E2 elimination_ Substituted cyclohexanes.webm 20.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 07 - Attic Red-Figure_ Niobid Painter, 'Niobid Krater'.webm 20.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 07 - 2015 AP Chemistry free response 2c.webm 20.4 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 07 - 2015 AP Chemistry free response 2c.webm 20.4 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 07 - 2015 AP Chemistry free response 2c.webm 20.4 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 07 - 2015 AP Chemistry free response 2c.webm 20.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 09 - Increasing the heart's force of contraction.webm 20.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 03 - Increasing the heart's force of contraction.webm 20.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 09 - Increasing the heart's force of contraction.webm 20.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 03 - Increasing the heart's force of contraction.webm 20.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/06 - Late empire - 01 - Portraits of the Four Tetrarchs.webm 20.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 10 - Diagnosing active TB.webm 20.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 10 - Diagnosing active TB.webm 20.4 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/02 - Viceroyalty of New Spain - 04 - Baltasar de Echave Ibía, The Hermits.webm 20.4 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 04 - Question 2ab_ 2015 AP Physics 1 free response.webm 20.4 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 04 - Question 2ab_ 2015 AP Physics 1 free response.webm 20.4 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 08 - The battle of Gettysburg.webm 20.4 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 08 - The battle of Gettysburg.webm 20.4 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 03 - First law of thermodynamics _ internal energy.webm 20.4 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 03 - First law of thermodynamics _ internal energy.webm 20.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/04 - Babylonian - 04 - Ishtar gate and Processional Way.webm 20.4 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 22 - Pozzo, Glorification of Saint Ignatius, Sant'Ignazio.webm 20.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 03 - What is chlamydia_.webm 20.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 03 - What is chlamydia_.webm 20.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 14 - Alberti, Palazzo Rucellai.webm 20.3 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 07 - Vapor pressure.webm 20.3 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 07 - Vapor pressure.webm 20.3 MB
Science & engineering/08 - Biology - 04 - Properties of carbon/01 - Carbon - 01 - Carbon as a building block of life.webm 20.3 MB
Science & engineering/09 - AP Biology - 05 - Properties of carbon/01 - Carbon - 01 - Carbon as a building block of life.webm 20.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 07 - The Painting Techniques of Ad Reinhardt.webm 20.3 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 07 - Getting to know Dominic Glynn.webm 20.2 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 02 - Solving elastic collision problems the hard way.webm 20.2 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 02 - Solving elastic collision problems the hard way.webm 20.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 04 - Renin production in the kidneys.webm 20.2 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 02 - Renin production in the kidneys.webm 20.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 04 - Renin production in the kidneys.webm 20.2 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 02 - Renin production in the kidneys.webm 20.2 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/05 - Oxidative phosphorylation - 01 - Oxidative phosphorylation and the electron transport chain.webm 20.2 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/05 - Oxidative phosphorylation - 01 - Oxidative phosphorylation and the electron transport chain.webm 20.2 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 13 - Later stages of the Civil War - Appomattox and Lincoln's assassination.webm 20.2 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 13 - Later stages of the Civil War - Appomattox and Lincoln's assassination.webm 20.2 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/04 - Spread of Islam - 01 - The spread of Islam.webm 20.2 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/07 - Nigeria - 01 - Ife uncovered.webm 20.2 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 12 - Cézanne, Mont Sainte-Victoire.webm 20.1 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/02 - The age of Jackson - 04 - Jacksonian Democracy - spoils system, Bank War, and Trail of Tears.webm 20.1 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/02 - The age of Jackson - 04 - Jacksonian Democracy - spoils system, Bank War, and Trail of Tears.webm 20.1 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 04 - CPI index.webm 20.1 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/14 - Women and families - 01 - Comparative roles of women in Rome and Han China.webm 20.1 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 03 - Medieval period/01 - Medieval period - 03 - Basin (Baptistère de Saint Louis).webm 20.1 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 06 - Case study_ The Good Dinosaur.webm 20.0 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/02 - Diffusion and osmosis - 05 - Diffusion and osmosis.webm 20.0 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/02 - Diffusion and osmosis - 05 - Diffusion and osmosis.webm 20.0 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 03 - Diffusion and osmosis.webm 20.0 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 01 - Unlock Art_ Frank Skinner on Performance Art.webm 20.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 15 - Paolo Veronese. Feast in the House of Levi.webm 20.0 MB
Science & engineering/08 - Biology - 23 - Ecology/03 - Population growth and regulation - 02 - Population regulation.webm 20.0 MB
Science & engineering/09 - AP Biology - 24 - Ecology/03 - Population growth and regulation - 02 - Population regulation.webm 20.0 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 09 - Jamestown - Bacon's Rebellion.webm 19.9 MB
Science & engineering/10 - Health and medicine - 21 - Health care system/01 - Health care system - 06 - Medicare overview.webm 19.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/05 - Joseon dynasty (1392–1910) - 02 - Confucian scholar's house.webm 19.9 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 06 - AP Physics 1 review of Momentum and Impulse.webm 19.9 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 06 - AP Physics 1 review of Momentum and Impulse.webm 19.9 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/03 - Limiting reagent stoichiometry - 02 - Limiting reactant example problem 1.webm 19.9 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/03 - Limiting reagent stoichiometry - 02 - Limiting reactant example problem 1.webm 19.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 09 - ADH secretion.webm 19.9 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 07 - ADH secretion.webm 19.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 09 - ADH secretion.webm 19.9 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 07 - ADH secretion.webm 19.9 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 05 - Early phases of Civil War and Antietam.webm 19.9 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 05 - Early phases of Civil War and Antietam.webm 19.9 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 09 - Energy inputs for tilling a hectare of land.webm 19.9 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 02 - How Earth's tilt causes seasons.webm 19.8 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/02 - Ancient Persia - 01 - Overview of ancient Persia.webm 19.8 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/01 - Politics and society in the early nineteenth century - 03 - The Market Revolution -communication and transportation.webm 19.8 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/01 - Politics and society in the early nineteenth century - 03 - The Market Revolution -communication and transportation.webm 19.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/08 - Hans Holbein - 01 - Holbein the Younger, the Ambassadors.webm 19.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 12 - Donatello, Equestrian Monument of Gattamelata.webm 19.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 07 - Evidence for evolution.webm 19.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 07 - Evidence for evolution.webm 19.8 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/01 - Household items - 03 - What is inside a tap light_.webm 19.8 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/04 - The Protestant Reformation - 01 - Introduction to the Protestant Reformation_ Setting the stage.webm 19.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 06 - Reformation and Counter-Reformation/01 - Reformation and Counter-Reformation - 01 - Introduction to the Protestant Reformation_ Sett.webm 19.8 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 02 - Mild and medium tension.webm 19.8 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/06 - Tension - 02 - Mild and medium tension.webm 19.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 08 - Calculating ATP produced in cellular respiration.webm 19.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 08 - Bernini, Saint Peter's Square.webm 19.8 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 05 - More on Newton's second law.webm 19.7 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 05 - More on Newton's second law.webm 19.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/01 - Fauvism and Matisse - 01 - Matisse, Luxe, calme et volupté.webm 19.7 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/08 - The Crusades - 01 - Introduction to the Crusades.webm 19.7 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/01 - Introduction to cellular respiration - 05 - Oxidation and reduction in cellular respiration.webm 19.7 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/01 - Introduction to cellular respiration - 05 - Oxidation and reduction in cellular respiration.webm 19.7 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/03 - Tour of a eukaryotic cell - 04 - The cytoskeleton.webm 19.7 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/03 - Tour of a eukaryotic cell - 04 - The cytoskeleton.webm 19.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 04 - Giovanni Bellini, San Zaccaria Altarpiece.webm 19.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/05 - World War I shapes the Middle East - 03 - Sykes-Picot Agreement and the Balfour Declaration.webm 19.6 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 03 - Stability of cycloalkanes.webm 19.6 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 03 - Stability of cycloalkanes.webm 19.6 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/06 - Mali - 02 - Couple (Dogon peoples).webm 19.6 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/08 - Shang China - 01 - Shang Dynasty in Ancient China.webm 19.6 MB
Science & engineering/08 - Biology - 23 - Ecology/04 - Intro to community ecology - 01 - Interactions between populations.webm 19.6 MB
Science & engineering/09 - AP Biology - 24 - Ecology/04 - Intro to community ecology - 01 - Interactions between populations.webm 19.6 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 05 - Character arc.webm 19.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 08 - Connect the LEDs to an on_off switch.webm 19.6 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/06 - The Roman Empire - 02 - Fall of the Roman Empire.webm 19.6 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/02 - Steps of cellular respiration - 01 - Overview of cellular respiration.webm 19.6 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/02 - Steps of cellular respiration - 01 - Overview of cellular respiration.webm 19.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 01 - Antoine Watteau,Pilgrimage to Cythera.webm 19.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/06 - Aortic dissection and aneurysm - 01 - What is an aortic dissection_.webm 19.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/11 - Aortic dissection and aneurysm - 01 - What is an aortic dissection_.webm 19.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 01 - Cerebral blood supply_ Part 1.webm 19.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 01 - Cerebral blood supply_ Part 1.webm 19.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 05 - Foramen ovale and ductus arteriosus.webm 19.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 05 - Foramen ovale and ductus arteriosus.webm 19.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/11 - Tang dynasty (618-907) - 01 - Chinese Buddhist cave shrines.webm 19.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 08 - Banking 8_ Reserve ratios.webm 19.5 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 03 - The Lost Colony of Roanoke - background and first attempts.webm 19.5 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 03 - The Lost Colony of Roanoke - background and first attempts.webm 19.5 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 05 - Motion.webm 19.5 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 11 - Proof_ S (or entropy) is a valid state variable.webm 19.5 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 11 - Proof_ S (or entropy) is a valid state variable.webm 19.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 07 - Proof_ S (or entropy) is a valid state variable.webm 19.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 02 - Steady states and the Michaelis Menten equation.webm 19.5 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 02 - AP Physics 1 review of 2D motion and vectors.webm 19.5 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 02 - AP Physics 1 review of 2D motion and vectors.webm 19.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 07 - Spider's motor controller.webm 19.4 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/07 - Amazonian peoples - 02 - Mundurukú Headdress_ a glimpse of life in the Amazon rainforest.webm 19.4 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 24 - Camera connection to the Arduino.webm 19.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 01 - What is coronary artery disease_.webm 19.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 01 - What is coronary artery disease_.webm 19.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 05 - Frank-Starling mechanism.webm 19.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 05 - Frank-Starling mechanism.webm 19.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 05 - Relief from the Arch of Titus, showing The Spoils of Jerusalem being brought into Rome.webm 19.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 09 - Judaism and art/01 - Judaism and art - 01 - Relief from the Arch of Titus, showing The Spoils of Jerusalem being brought into Rome.webm 19.4 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 08 - Partial pressure example.webm 19.3 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 08 - Partial pressure example.webm 19.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 03 - Bernini, Apollo and Daphne.webm 19.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 03 - Early photography/01 - Early photography - 03 - P.H. Emerson's naturalistic photography.webm 19.3 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 01 - Gibbs free energy and spontaneity.webm 19.3 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 01 - Gibbs free energy and spontaneity.webm 19.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 05 - Gibbs free energy and spontaneity.webm 19.3 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/09 - Sierra Leone - 01 - Bundu _ Sowei Helmet Mask (Mende peoples).webm 19.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 05 - Santa Prassede (Praxedes).webm 19.3 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 01 - States of matter.webm 19.3 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 01 - States of matter.webm 19.3 MB
Science & engineering/08 - Biology - 05 - Macromolecules/04 - Nucleic acids - 03 - Molecular structure of DNA.webm 19.3 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/01 - Structure of DNA - 02 - Molecular structure of DNA.webm 19.3 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/03 - DNA replication - 04 - Molecular structure of DNA.webm 19.3 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/04 - Nucleic acids - 03 - Molecular structure of DNA.webm 19.3 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/01 - Structure of DNA - 02 - Molecular structure of DNA.webm 19.3 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/03 - DNA replication - 04 - Molecular structure of DNA.webm 19.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 02 - Molecular structure of DNA.webm 19.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 07 - 'Plaque of the Ergastines' fragment from the frieze on the east side of the Parthenon.webm 19.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 03 - What is a stroke_.webm 19.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 03 - What is a stroke_.webm 19.3 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 03 - Stoichiometry example problem 2.webm 19.2 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 04 - Stoichiometry example problem 2.webm 19.2 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/02 - Stoichiometry - 03 - Stoichiometry example problem 2.webm 19.2 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/02 - Stoichiometry - 04 - Stoichiometry example problem 2.webm 19.2 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 04 - Beginning of the Greco Persian Wars.webm 19.2 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 05 - AP Physics 1 review of Energy and Work.webm 19.2 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 05 - AP Physics 1 review of Energy and Work.webm 19.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 03 - The bronchial tree.webm 19.2 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 03 - The bronchial tree.webm 19.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 13 - Protein modifications.webm 19.2 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 03 - Keq derivation intuition.webm 19.2 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/01 - Equilibrium constant - 03 - Keq derivation intuition.webm 19.2 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/01 - Rotational kinematics - 02 - Relating angular and regular motion variables.webm 19.2 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/01 - Rotational kinematics - 02 - Relating angular and regular motion variables.webm 19.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 04 - Akhenaten, Nefertiti, and Three Daughters.webm 19.2 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 09 - Zaha Hadid, MAXXI National Museum of XXI Century Arts, Rome.webm 19.1 MB
Test prep/02 - MCAT - 06 - Cells/05 - Eukaryotic cells - 03 - Mitochondria.webm 19.1 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/01 - How to think like a historian - 02 - How to read a document_ source identification.webm 19.1 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/01 - Thinking like a historian - 02 - How to read a document_ source identification.webm 19.1 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 03 - Speciation.webm 19.1 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 03 - Speciation.webm 19.1 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 06 - Visual telegraphs (case study).webm 19.1 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 05 - How one-point linear perspective works.webm 19.1 MB
Arts and humanities/04 - Art history/01 - Art history basics - 03 - Glossary/01 - Glossary - 02 - How one-point linear perspective works.webm 19.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/01 - A beginner's guide to Renaissance Florence - 04 - How one-point linear perspective works.webm 19.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 07 - Pieter Bruegel the Elder, Peasant Wedding.webm 19.1 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 07 - Disubstituted cyclohexane.webm 19.1 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 07 - Disubstituted cyclohexane.webm 19.1 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 02 - The Bayeux Tapestry - Seven Ages of Britain - BBC One.webm 19.1 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/06 - Golden Age of Islam - 01 - Golden age of Islam.webm 19.1 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/07 - Imperialism - 03 - Japanese Imperialism _ World History _ Khan Academy.webm 19.0 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 08 - Pseudorandom number generators.webm 19.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 17 - Flu surveillance.webm 19.0 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 02 - More on orbitals and electron configuration.webm 19.0 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 02 - More on orbitals and electron configuration.webm 19.0 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/02 - Electron shells and orbitals - 02 - More on orbitals and electron configuration.webm 19.0 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/02 - Electron shells and orbitals - 02 - More on orbitals and electron configuration.webm 19.0 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 03 - Shape.webm 19.0 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/01 - Rotational kinematics - 04 - Rotational kinematic formulas.webm 19.0 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/01 - Rotational kinematics - 04 - Rotational kinematic formulas.webm 19.0 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 02 - Constructive and Destructive interference.webm 19.0 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 01 - Constructive and Destructive interference.webm 19.0 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 02 - Constructive and Destructive interference.webm 19.0 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 01 - Constructive and Destructive interference.webm 19.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/09 - Northern Qi dynasty (550 - 577) - 01 - Bodhisattva.webm 19.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 08 - Meet the placenta!.webm 19.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 01 - Meet the placenta!.webm 19.0 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 08 - Meet the placenta!.webm 19.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 01 - Meet the placenta!.webm 19.0 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 08 - Meet the placenta!.webm 19.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 08 - Pop/01 - Pop - 05 - Lichtenstein, Rouen Cathedral Set V.webm 19.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/04 - Pisa and Rome, the Late Gothic - 02 - Pietro Cavallini, The Last Judgment.webm 19.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/02 - Viceroyalty of New Spain - 02 - Atrial Cross, convento San Agustín de Acolman, mid-16th century.webm 19.0 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 03 - Bayeux Tapestry.webm 19.0 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 14 - Isaac Julien, Ten Thousand Waves _ MoMA.webm 18.9 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 11 - Question 5_ 2015 AP Physics 1 free response.webm 18.9 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 11 - Question 5_ 2015 AP Physics 1 free response.webm 18.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 22 - Fractional Reserve banking commentary 1.webm 18.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 17 - Tintoretto, The Finding of the Body of Saint Mark.webm 18.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/07 - Ancient and Imperial China - 02 - Confucius and the Hundred Schools of Thought.webm 18.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 01 - Brunelleschi and Ghiberti, the Sacrifice of Isa.webm 18.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 04 - Action potentials in pacemaker cells.webm 18.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 04 - Action potentials in pacemaker cells.webm 18.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 02 - Seurat, A Sunday on La Grande Jatte.webm 18.9 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 04 - Space.webm 18.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/06 - Aortic dissection and aneurysm - 05 - Aneurysm treatment.webm 18.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/11 - Aortic dissection and aneurysm - 05 - Aneurysm treatment.webm 18.9 MB
Science & engineering/01 - Physics - 15 - Geometric optics/02 - Mirrors - 05 - Derivation of the mirror equation.webm 18.9 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/02 - Mirrors - 05 - Derivation of the mirror equation.webm 18.9 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 01 - What is an upper respiratory infection (URI)_.webm 18.9 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 01 - What is an upper respiratory infection (URI)_.webm 18.9 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 03 - Plate tectonics_ Evidence of plate movement.webm 18.9 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 17 - History of the Republican Party.webm 18.8 MB
Arts and humanities/01 - World history - 06 - The 20th century/03 - Western and Eastern fronts of World War I - 03 - World War I Eastern front.webm 18.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 01 - Jasper Johns, Flag.webm 18.8 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 19 - Presidential precedents of George Washington.webm 18.8 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/02 - European Middle Ages_ feudalism and serfdom - 04 - Peasant revolts.webm 18.8 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 04 - The Lost Colony of Roanoke - settlement and disappearance.webm 18.8 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 04 - The Lost Colony of Roanoke - settlement and disappearance.webm 18.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 01 - Introduction to evolution and natural selection.webm 18.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 01 - Introduction to evolution and natural selection.webm 18.8 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 07 - Carbocation stability and rearrangement introduction.webm 18.8 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 12 - Sn2 mechanism_ stereospecificity.webm 18.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/02 - Claus Sluter and Claus de Werve - 01 - Sluter, Well of Moses.webm 18.8 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/05 - Functions of money - 04 - Commodity money vs. Fiat money.webm 18.7 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/02 - Viceroyalty of New Spain - 01 - An introduction to New Spain.webm 18.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 02 - Books in medieval Europe/01 - Making the medieval book - 02 - An introduction to Medieval scripts.webm 18.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 01 - Birth of the Gothic_ Abbot Suger and the ambulatory at St. Denis.webm 18.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 01 - Charlemagne_ an introduction.webm 18.7 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/03 - Tour of a eukaryotic cell - 03 - Mitochondria.webm 18.7 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/03 - Tour of a eukaryotic cell - 03 - Mitochondria.webm 18.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/02 - A beginner's guide to Imperial China - 02 - Buddhist Temples at Wutaishan.webm 18.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 07 - 2015 AP Chemistry free response 1d.webm 18.7 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 03 - 2015 AP Chemistry free response 1d.webm 18.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 07 - 2015 AP Chemistry free response 1d.webm 18.7 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 03 - 2015 AP Chemistry free response 1d.webm 18.7 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 07 - Proof_ U = (3_2)PV or U = (3_2)nRT.webm 18.6 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 07 - Proof_ U = (3_2)PV or U = (3_2)nRT.webm 18.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 01 - What is TB_.webm 18.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 01 - What is TB_.webm 18.6 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/01 - American Revolution - 02 - The Seven Years' War_ battles and legacy.webm 18.6 MB
Arts and humanities/02 - US history - 04 - The road to revolution (1754-1800)/01 - The American Revolution - 02 - The Seven Years' War_ battles and legacy.webm 18.6 MB
Arts and humanities/03 - AP US History - 04 - Period 3_ 1754-1800/01 - The American Revolution - 02 - The Seven Years' War_ battles and legacy.webm 18.6 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 08 - Fetal circulation right before birth.webm 18.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 08 - Fetal circulation right before birth.webm 18.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 03 - Transport of sperm via erection and ejaculation.webm 18.6 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 03 - Transport of sperm via erection and ejaculation.webm 18.6 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 03 - Transport of sperm via erection and ejaculation.webm 18.6 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/01 - The origin of humans and early human societies - 02 - Peopling the earth.webm 18.6 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 03 - Medieval period/01 - Medieval period - 01 - Two royal figures (Saljuq Period).webm 18.6 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/01 - The origin of humans and early human societies - 03 - Organizing paleolithic societies.webm 18.5 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/01 - American Revolution - 04 - Birth of the US Constitution.webm 18.5 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 01 - AP US History multiple choice example 1.webm 18.5 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 01 - AP US History multiple choice example 1.webm 18.5 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 14 - Diabetic retinopathy.webm 18.5 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 15 - Diabetic retinopathy.webm 18.5 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 14 - Diabetic retinopathy.webm 18.5 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 15 - Diabetic retinopathy.webm 18.5 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 04 - Hindu gods overview.webm 18.5 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 02 - Line.webm 18.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 03 - Constantin Brancusi, The Kiss.webm 18.4 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 09 - Vapor pressure example.webm 18.4 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 09 - Vapor pressure example.webm 18.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 01 - Pressure in the left heart - part 1.webm 18.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 01 - Pressure in the left heart - part 1.webm 18.4 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 03 - Socrates Plato Aristotle.webm 18.4 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 01 - Elastic and inelastic collisions.webm 18.4 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 01 - Elastic and inelastic collisions.webm 18.4 MB
Science & engineering/08 - Biology - 23 - Ecology/08 - Biogeography - 01 - How biodiversity is distributed globally.webm 18.4 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/02 - Global distribution of biodiversity - 02 - How biodiversity is distributed globally.webm 18.4 MB
Science & engineering/09 - AP Biology - 24 - Ecology/08 - Biogeography - 01 - How biodiversity is distributed globally.webm 18.4 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/02 - Global distribution of biodiversity - 02 - How biodiversity is distributed globally.webm 18.4 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 08 - Projectile on an incline.webm 18.4 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 08 - Projectile on an incline.webm 18.4 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 04 - Act 1.webm 18.4 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/04 - France's many revolutions and republics - 01 - Les Miserables and France's many revolutions.webm 18.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/12 - Buddhism - 02 - Buddhism.webm 18.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 18 - Autonomic nervous system.webm 18.3 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 18 - Autonomic nervous system.webm 18.3 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 06 - Autonomic nervous system.webm 18.3 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 06 - Autonomic nervous system.webm 18.3 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 12 - Overview of demographics.webm 18.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/14 - Yuan dynasty (1271-1368) - 01 - Buddha of Medicine Bhaishajyaguru (Yaoshi fo).webm 18.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/07 - Van der Weyden - 01 - Van der Weyden, Deposition.webm 18.2 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/08 - Maya - 03 - Mirror-Bearer (Maya).webm 18.2 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 02 - Mortgage interest rates.webm 18.2 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 06 - Neuronal synapses (chemical).webm 18.2 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 06 - Neuronal synapses (chemical).webm 18.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 10 - Neuronal synapses (chemical).webm 18.2 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 10 - Neuronal synapses (chemical).webm 18.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 04 - Heart attack (myocardial infarction) pathophysiology.webm 18.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 04 - Heart attack (myocardial infarction) pathophysiology.webm 18.2 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/10 - The Americas - 01 - Mayans and Teotihuacan.webm 18.2 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 02 - Trig challenge problem_ area of a hexagon.webm 18.2 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 09 - Partial pressure.webm 18.2 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/07 - The Great Schism - 03 - Great Schism or East-West Schism part 1.webm 18.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 04 - Diagnosis of myocarditis and pericarditis (part 1).webm 18.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/10 - Myocarditis and pericarditis - 04 - Diagnosis of myocarditis and pericarditis (part 1).webm 18.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 13 - Botticelli, Primavera.webm 18.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 04 - Electron transport chain.webm 18.1 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 02 - Theotokos mosaic, apse, Hagia Sophia, Istanbul.webm 18.1 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/04 - Pyruvate oxidation and the citric acid cycle - 01 - Krebs _ citric acid cycle.webm 18.1 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/04 - Pyruvate oxidation and the citric acid cycle - 01 - Krebs _ citric acid cycle.webm 18.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 01 - Krebs _ citric acid cycle.webm 18.1 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/02 - A beginner's guide to Imperial China - 01 - Discoveries in Chinese archaeology.webm 18.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 03 - Atherosclerosis.webm 18.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 03 - Atherosclerosis.webm 18.1 MB
Computing/02 - Computer science - 04 - Internet 101/01 - How the internet works - 06 - Cybersecurity and crime.webm 18.1 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/02 - Buddhist art and culture, an introduction - 02 - The stupa.webm 18.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 08 - Pop/01 - Pop - 01 - Why is this art_ Andy Warhol, Campbell's Soup Cans.webm 18.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 02 - Gossaert, Saint Luke Painting the Madonna.webm 18.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 13 - Labor (parturition).webm 18.0 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 13 - Labor (parturition).webm 18.0 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 13 - Labor (parturition).webm 18.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 03 - Sir John Everett Millais, Ophelia.webm 18.0 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 05 - Erikson's psychosocial development.webm 18.0 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 01 - Taxonomy and the tree of life.webm 18.0 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 01 - Taxonomy and the tree of life.webm 18.0 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/05 - What drives oil prices - 01 - Breakdown of gas prices.webm 18.0 MB
Science & engineering/08 - Biology - 01 - Intro to biology/02 - The science of biology - 01 - The scientific method.webm 18.0 MB
Science & engineering/09 - AP Biology - 02 - Intro to biology/02 - The science of biology - 01 - The scientific method.webm 18.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/06 - Aortic dissection and aneurysm - 02 - Thoracic aortic aneurysms.webm 18.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/11 - Aortic dissection and aneurysm - 02 - Thoracic aortic aneurysms.webm 18.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/07 - Amazonian peoples - 01 - Kayapó Headdress_ a glimpse of life in the Amazon rainforest.webm 18.0 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 05 - Changes in free energy and the reaction quotient.webm 18.0 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 05 - Changes in free energy and the reaction quotient.webm 18.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/19 - Equilibrium - 03 - Changes in free energy and the reaction quotient.webm 18.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 06 - Resetting cardiac concentration gradients.webm 18.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 06 - Resetting cardiac concentration gradients.webm 18.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 10 - Contractility, Ea, and preload effects on PV boxes.webm 17.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 10 - Contractility, Ea, and preload effects on PV boxes.webm 17.9 MB
Arts and humanities/01 - World history - 06 - The 20th century/04 - Blockades and American entry - 01 - Blockades, u-boats and sinking of the Lusitania.webm 17.9 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/02 - The United States in World War I - 01 - Blockades, u-boats and sinking of the Lusitania.webm 17.9 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/02 - The United States in World War I - 01 - Blockades, u-boats and sinking of the Lusitania.webm 17.9 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/01 - The conservator's eye - 01 - The conservator's eye_ Marble statue of a wounded warrior.webm 17.9 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 01 - Trig challenge problem_ area of a triangle.webm 17.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/05 - Assyrian - 01 - Lamassu from the citadel of Sargon II.webm 17.9 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/01 - Mendelian genetics - 01 - Introduction to heredity.webm 17.9 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/01 - Mendelian genetics - 01 - Introduction to heredity.webm 17.9 MB
Test prep/02 - MCAT - 08 - Physical processes/12 - Kinetic molecular theory of gases - 03 - Kinetic molecular theory of gases.webm 17.9 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 06 - PV-diagrams and expansion work.webm 17.9 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 06 - PV-diagrams and expansion work.webm 17.9 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 09 - PV-diagrams and expansion work.webm 17.9 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 03 - Intelligent design and evolution.webm 17.9 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 03 - Intelligent design and evolution.webm 17.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 07 - Second law of thermodynamics.webm 17.8 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 04 - Hess's law and reaction enthalpy change.webm 17.8 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 04 - Hess's law and reaction enthalpy change.webm 17.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 04 - Hess's law and reaction enthalpy change.webm 17.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 12 - Bohr effect vs. Haldane effect.webm 17.8 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 12 - Bohr effect vs. Haldane effect.webm 17.8 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 03 - Bohr effect vs. Haldane effect.webm 17.8 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 06 - Tone.webm 17.8 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/08 - The Crusades - 03 - Impact of the crusades.webm 17.8 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 06 - Single slit interference.webm 17.8 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 06 - Single slit interference.webm 17.8 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 08 - Single slit interference.webm 17.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 05 - What is contractility_.webm 17.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 05 - What is contractility_.webm 17.8 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/03 - Sikhism - 02 - Continuity-Sikhism connections to Hinduism and Islam.webm 17.8 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 07 - E2 elimination_ Stereoselectivity.webm 17.8 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 07 - Getting to know Tony DeRose.webm 17.8 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/11 - Empires form in India - 01 - Chandragupta, Ashoka and the Maurya Empire.webm 17.8 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 02 - Golden Age of Athens, Pericles and Greek Culture.webm 17.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 14 - Caravaggio, The Conversion of St. Paul (or The Conversion of Saul).webm 17.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 04 - Millais, Mariana.webm 17.7 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 07 - Rotational kinetic energy.webm 17.7 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 07 - Rotational kinetic energy.webm 17.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/02 - Other fronts of World War I - 04 - Italian front in World War I.webm 17.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 05 - Paul Gauguin, Self-Portrait with Portrait of Émile Bernard (Les mi.webm 17.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 03 - Bellini, San Giobbe Altarpiece.webm 17.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 29 - Camera wiring update.webm 17.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 18 - Digital camera connections II.webm 17.7 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 10 - Question 4_ 2015 AP Physics 1 free response.webm 17.7 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 10 - Question 4_ 2015 AP Physics 1 free response.webm 17.7 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/03 - Introduction to mechanical waves - 03 - The equation of a wave.webm 17.6 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/03 - Introduction to mechanical waves - 03 - The equation of a wave.webm 17.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 06 - Secure and wire the motors.webm 17.6 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/03 - Mixtures and solutions - 02 - Boiling point elevation and freezing point depression.webm 17.6 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/07 - Treating systems - 01 - Treating systems (the hard way).webm 17.6 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/07 - Treating systems - 01 - Treating systems (the hard way).webm 17.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/03 - Flanders - 03 - Rubens, The Presentation of the Portrait of Marie de' Medici.webm 17.6 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/04 - Rise of Rome - 04 - Punic Wars between Rome and Carthage.webm 17.6 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 07 - Oxygen movement from alveoli to capillaries.webm 17.6 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 07 - Oxygen movement from alveoli to capillaries.webm 17.6 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 07 - Oxygen movement from alveoli to capillaries.webm 17.6 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 07 - Oxygen movement from alveoli to capillaries.webm 17.6 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 01 - Introduction to chemistry.webm 17.6 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 01 - Introduction to chemistry.webm 17.6 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/02 - Centripetal forces - 01 - Centripetal force problem solving.webm 17.6 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/02 - Centripetal forces - 01 - Centripetal force problem solving.webm 17.6 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/03 - DVD player - 01 - What is inside a DVD player_ (1 of 5).webm 17.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 07 - Hunt, Our English Coasts ('Strayed Sheep').webm 17.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 01 - Feininger, Cathedral for the Bauhaus.webm 17.6 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 06 - Conformational analysis of butane.webm 17.6 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 06 - Conformational analysis of butane.webm 17.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 12 - Conformational analysis of butane.webm 17.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/04 - Babylonian - 02 - The Babylonian mind.webm 17.6 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 01 - Average velocity for constant acceleration.webm 17.6 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 01 - Average velocity for constant acceleration.webm 17.6 MB
Test prep/02 - MCAT - 08 - Physical processes/03 - Acceleration - 05 - Average velocity for constant acceleration.webm 17.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 01 - Raphael, Marriage of the Virgin, 1504.webm 17.5 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 03 - Signal characteristics - wavenumber.webm 17.5 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 03 - Signal characteristics - wavenumber.webm 17.5 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/02 - Specific heat and heat transfer - 01 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/02 - Specific heat and heat transfer - 01 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 03 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 04 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 03 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/01 - Internal energy - 04 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 01 - Specific heat and latent heat of fusion and vaporization.webm 17.5 MB
Arts and humanities/01 - World history - 06 - The 20th century/13 - Human rights - 01 - The Holocaust.webm 17.5 MB
Science & engineering/08 - Biology - 05 - Macromolecules/04 - Nucleic acids - 02 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/05 - Molecular basis of genetics - 02 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/03 - DNA replication - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/01 - Central dogma and the genetic code - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/02 - Transcription - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/03 - Translation - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/04 - Nucleic acids - 02 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/05 - Molecular basis of genetics - 02 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/03 - DNA replication - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/01 - Central dogma and the genetic code - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/02 - Transcription - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/03 - Translation - 01 - DNA replication and RNA transcription and translation.webm 17.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 07 - Titian, Madonna of the Pesaro Family.webm 17.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/07 - Cranach and Altdorfer - 04 - Altdorfer, the Battle of Issus.webm 17.5 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 02 - Quasistatic and reversible processes.webm 17.5 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 02 - Quasistatic and reversible processes.webm 17.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 07 - Quasistatic and reversible processes.webm 17.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 23 - FRB commentary 2_ Deposit insurance.webm 17.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 06 - Parthenon frieze.webm 17.5 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/05 - Ancient India - 02 - Introduction to the Vedic Period.webm 17.5 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 01 - Introduction to the Vedic Period.webm 17.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/02 - Enzyme structure and function - 04 - Six types of enzymes.webm 17.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/17 - Enzymes - 03 - Six types of enzymes.webm 17.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 07 - Dürer's woodcuts and engravings.webm 17.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 02 - Risk factors for coronary artery disease.webm 17.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 02 - Risk factors for coronary artery disease.webm 17.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 19 - Upper motor neurons.webm 17.4 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 19 - Upper motor neurons.webm 17.4 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 08 - Upper motor neurons.webm 17.4 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 08 - Upper motor neurons.webm 17.4 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 03 - Wave interference.webm 17.4 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 22 - Prototype board.webm 17.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 03 - Terracotta Krater.webm 17.4 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 08 - Rolling without slipping problems.webm 17.4 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 08 - Rolling without slipping problems.webm 17.4 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/03 - Glycolysis - 02 - Steps of glycolysis.webm 17.4 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/03 - Glycolysis - 02 - Steps of glycolysis.webm 17.4 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 06 - Sn1 mechanism_ stereochemistry.webm 17.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 03 - Aegean art/02 - Mycenaean - 01 - The 'Palace' and Grave Circle A, Mycenae, c. 1600-1100 B.C.E..webm 17.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 11 - Dia Al-Azzawi.webm 17.3 MB
Science & engineering/08 - Biology - 27 - Human biology/01 - Circulatory and pulmonary systems - 03 - Circulatory system and the heart.webm 17.3 MB
Science & engineering/09 - AP Biology - 28 - Human biology/01 - Circulatory and pulmonary systems - 03 - Circulatory system and the heart.webm 17.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 09 - Circulatory system and the heart.webm 17.3 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 09 - Circulatory system and the heart.webm 17.3 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 08 - Conserving the Damascus Room at The Metropolitan Museum of Art.webm 17.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/04 - Art in Afghanistan - 02 - Afghanistan_ The lasting legacy of Alexander the Great.webm 17.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 07 - Treating HIV_ Antiretroviral drugs.webm 17.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 07 - Treating HIV_ Antiretroviral drugs.webm 17.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 12 - EBITDA.webm 17.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 02 - Bernini, David.webm 17.3 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 04 - Specific heat, heat of fusion and vaporization example.webm 17.3 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 04 - Specific heat, heat of fusion and vaporization example.webm 17.3 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 08 - Newman projection practice 2.webm 17.3 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 08 - Newman projection practice 2.webm 17.3 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 04 - Electric potential energy of charges.webm 17.3 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 04 - Electric potential energy of charges.webm 17.3 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 04 - Electric potential energy of charges.webm 17.3 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/01 - Byzantine Empire - 01 - Justinian and the Byzantine Empire.webm 17.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 01 - What is the flu_.webm 17.3 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 06 - The Emancipation Proclamation.webm 17.3 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 06 - The Emancipation Proclamation.webm 17.3 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 03 - Types of decay.webm 17.3 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 03 - Types of decay.webm 17.3 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 03 - Types of decay.webm 17.3 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 06 - Types of decay.webm 17.3 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/02 - Laws of thermodynamics - 01 - Introduction to energy.webm 17.2 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/02 - Laws of thermodynamics - 01 - Introduction to energy.webm 17.2 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/01 - The Gilded Age - 02 - The Gilded Age and the Second Industrial Revolution.webm 17.2 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/01 - The Gilded Age - 02 - The Gilded Age and the Second Industrial Revolution.webm 17.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/13 - Human rights - 02 - International Human Rights.webm 17.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 07 - Antiviral drugs for the flu.webm 17.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 03 - Two circulations in the body.webm 17.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 03 - Two circulations in the body.webm 17.2 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 04 - Two circulations in the body.webm 17.2 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 11 - Two circulations in the body.webm 17.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 03 - Two circulations in the body.webm 17.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 06 - Sympathetic nerves affect myosin activity.webm 17.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 06 - Sympathetic nerves affect myosin activity.webm 17.2 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/02 - Population genetics - 05 - Genetic drift, bottleneck effect, and founder effect.webm 17.2 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/02 - Population genetics - 05 - Genetic drift, bottleneck effect, and founder effect.webm 17.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/10 - Evolution and population dynamics - 04 - Genetic drift, bottleneck effect, and founder effect.webm 17.2 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/03 - Culture and reform in the early nineteenth century - 01 - The Second Great Awakening - origins and major ideas.webm 17.2 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/03 - Culture and reform - 01 - The Second Great Awakening - origins and major ideas.webm 17.2 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 02 - Elements and atoms.webm 17.2 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 02 - Elements and atoms.webm 17.2 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/01 - Elements and atoms - 01 - Elements and atoms.webm 17.2 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/01 - Elements and atoms - 01 - Elements and atoms.webm 17.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 07 - Sander, Portraits.webm 17.2 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 06 - Central Africa/02 - Democratic Republic of the Congo - 02 - Power Figure_ Male (Nkisi).webm 17.2 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/03 - Limiting reagent stoichiometry - 01 - Stoichiometry_ Limiting reagent.webm 17.1 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/03 - Limiting reagent stoichiometry - 01 - Stoichiometry_ Limiting reagent.webm 17.1 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 06 - Stoichiometry_ Limiting reagent.webm 17.1 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/05 - Ancient India - 03 - Sanskrit connections to English.webm 17.1 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 02 - Sanskrit connections to English.webm 17.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 03 - Equation for simple harmonic oscillators.webm 17.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 03 - Equation for simple harmonic oscillators.webm 17.1 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 08 - Thermal energy from friction.webm 17.1 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 08 - Thermal energy from friction.webm 17.1 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 03 - More fiscal cliff analysis.webm 17.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 10 - Laurentian Library.webm 17.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 08 - Fetal hemoglobin and hematocrit.webm 17.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 06 - Fetal hemoglobin and hematocrit.webm 17.1 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 08 - Fetal hemoglobin and hematocrit.webm 17.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 06 - Fetal hemoglobin and hematocrit.webm 17.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/02 - Enzyme structure and function - 03 - Induced fit model of enzyme catalysis.webm 17.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/17 - Enzymes - 02 - Induced fit model of enzyme catalysis.webm 17.1 MB
Science & engineering/08 - Biology - 17 - Biotechnology/03 - DNA analysis methods - 02 - Gel electrophoresis.webm 17.1 MB
Science & engineering/09 - AP Biology - 18 - Biotechnology/03 - DNA analysis methods - 02 - Gel electrophoresis.webm 17.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 01 - Gel electrophoresis.webm 17.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 05 - Bronzino, An Allegory with Venus and Cupid.webm 17.1 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 05 - Native American art after 1600/03 - West - 01 - Juana Basilia Sitmelelene, Presentation Basket (Chumash).webm 17.1 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 06 - Scale of the galaxy.webm 17.1 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 06 - Small x approximation for large Kc.webm 17.0 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/01 - Equilibrium constant - 06 - Small x approximation for large Kc.webm 17.0 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 04 - 2015 AP Biology free response, 2c-d.webm 17.0 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 04 - 2015 AP Biology free response, 2c-d.webm 17.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/01 - Romanticism in the United States - 03 - Thomas Cole, The Oxbow.webm 17.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/01 - Fauvism and Matisse - 02 - Matisse, The Red Studio.webm 17.0 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/03 - Origins of Islam - 04 - Contextualization of the development of Islam.webm 17.0 MB
Arts and humanities/01 - World history - 06 - The 20th century/10 - Overview of Chinese history 1911-1949 - 01 - Overview of Chinese history 1911 - 1949.webm 17.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/03 - Sculpture - 02 - Quarrying and carving marble.webm 17.0 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 06 - More on moment of inertia.webm 17.0 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 06 - More on moment of inertia.webm 17.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 03 - Causes of pericarditis.webm 17.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/10 - Myocarditis and pericarditis - 03 - Causes of pericarditis.webm 17.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 03 - Rembrandt, The Anatomy Lesson of Dr. Tulp.webm 17.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/12 - Aztec (Mexica) - 04 - Coyolxauhqui Stone.webm 17.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 07 - Bernini, Cathedra Petri(Chair of St. Peter).webm 16.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 06 - Tissue specific metabolism and the metabolic states.webm 16.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/20 - Bioenergetics - 05 - Tissue specific metabolism and the metabolic states.webm 16.9 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 17 - Efficiency of a Carnot engine.webm 16.9 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 17 - Efficiency of a Carnot engine.webm 16.9 MB
Science & engineering/08 - Biology - 12 - Cell division/03 - Meiosis - 04 - Phases of meiosis II.webm 16.9 MB
Science & engineering/09 - AP Biology - 13 - Cell division/03 - Meiosis - 04 - Phases of meiosis II.webm 16.9 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 10 - Phases of meiosis II.webm 16.9 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 08 - Röttgen Pietà.webm 16.9 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/09 - Foci of a hyperbola - 01 - Foci of a hyperbola from equation.webm 16.9 MB
Science & engineering/08 - Biology - 27 - Human biology/01 - Circulatory and pulmonary systems - 02 - Red blood cells.webm 16.9 MB
Science & engineering/09 - AP Biology - 28 - Human biology/01 - Circulatory and pulmonary systems - 02 - Red blood cells.webm 16.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 02 - Red blood cells.webm 16.9 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 02 - Red blood cells.webm 16.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/01 - Classical Greece - 05 - Second Persian Invasion.webm 16.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/04 - Rise of Rome - 01 - Overview of the Roman Empire.webm 16.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 07 - The inlay technique of marquetry.webm 16.9 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 07 - Jacob wrestling the angel, Vienna Genesis.webm 16.9 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/02 - Discovery of DNA - 01 - DNA as the 'transforming principle'.webm 16.9 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/02 - Discovery of DNA - 01 - DNA as the 'transforming principle'.webm 16.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 13 - Cézanne, Bathers.webm 16.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 02 - Duccio, Maesta (back).webm 16.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/05 - Van Eyck - 05 - Van Eyck, The Arnolfini Portrait.webm 16.9 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/09 - The Mongols - 02 - Why were the Mongols so effective_.webm 16.9 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 07 - Finite geometric series word problem_ mortgage.webm 16.9 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/04 - Finite geometric series applications - 02 - Finite geometric series word problem_ mortgage.webm 16.9 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/06 - Finite geometric series applications - 02 - Finite geometric series word problem_ mortgage.webm 16.9 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/06 - Finite geometric series applications - 02 - Finite geometric series word problem_ mortgage.webm 16.9 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/04 - Extracellular structures and cell-cell junctions - 03 - Overview of animal and plant cells.webm 16.9 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/04 - Extracellular structures and cell-cell junctions - 03 - Overview of animal and plant cells.webm 16.9 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 03 - Richter scale.webm 16.9 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 03 - Richter scale.webm 16.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 02 - What is preload_.webm 16.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 11 - What is preload_.webm 16.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 01 - What is preload_.webm 16.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 02 - What is preload_.webm 16.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 11 - What is preload_.webm 16.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 01 - What is preload_.webm 16.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 01 - A beginner's guide to 20th century art/01 - A beginner's guide to 20th century art - 01 - Representation and abstraction_ Millais's Ophelia and N.webm 16.9 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/01 - Introduction to physics - 01 - Introduction to physics.webm 16.9 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/01 - Introduction to physics - 01 - Introduction to physics.webm 16.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/07 - Van der Weyden - 04 - Rogier van der Weyden, Last Judgment.webm 16.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 07 - Column of Trajan.webm 16.8 MB
Science & engineering/08 - Biology - 27 - Human biology/04 - Muscles - 04 - Anatomy of a skeletal muscle fiber.webm 16.8 MB
Science & engineering/09 - AP Biology - 28 - Human biology/04 - Muscles - 04 - Anatomy of a skeletal muscle fiber.webm 16.8 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 05 - Question 2cd_ 2015 AP Physics 1 free response.webm 16.8 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 05 - Question 2cd_ 2015 AP Physics 1 free response.webm 16.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 04 - Preload stretches out the heart cells.webm 16.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 04 - Preload stretches out the heart cells.webm 16.8 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/02 - Old and new worlds collide - 03 - Consequences of Columbus's voyage on the Tainos and Europe.webm 16.8 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/02 - Old and new worlds collide - 03 - Consequences of Columbus's voyage on the Tainos and Europe.webm 16.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 05 - Natural selection and the owl butterfly.webm 16.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 05 - Natural selection and the owl butterfly.webm 16.8 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 03 - Inflammatory bowel disease_ Diagnosis.webm 16.8 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 03 - Inflammatory bowel disease_ Diagnosis.webm 16.8 MB
Science & engineering/10 - Health and medicine - 21 - Health care system/01 - Health care system - 03 - Health care costs in US vs Europe.webm 16.8 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/04 - Photorespiration_ C3, C4, and CAM plants - 01 - Photorespiration.webm 16.8 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/04 - Photorespiration_ C3, C4, and CAM plants - 01 - Photorespiration.webm 16.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 03 - General overview of the RAAS system_ Cells and hormones.webm 16.8 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 01 - General overview of the RAAS system_ Cells and hormones.webm 16.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 03 - General overview of the RAAS system_ Cells and hormones.webm 16.8 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 01 - General overview of the RAAS system_ Cells and hormones.webm 16.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/01 - A beginner's guide to Renaissance Florence - 05 - Orsanmichele and Donatello's Saint Mark.webm 16.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 09 - A race to keep pace!.webm 16.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 09 - A race to keep pace!.webm 16.8 MB
Arts and humanities/02 - US history - 09 - The postwar era (1945-1980)/01 - The postwar era, 1945-1950 - 01 - Origins of the Cold War.webm 16.8 MB
Arts and humanities/03 - AP US History - 09 - Period 8_ 1945-1980/01 - The postwar era, 1945-1950 - 01 - Origins of the Cold War.webm 16.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 07 - Manet, Olympia.webm 16.8 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 06 - Fick's law of diffusion.webm 16.8 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 06 - Fick's law of diffusion.webm 16.8 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 06 - Fick's law of diffusion.webm 16.8 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 06 - Fick's law of diffusion.webm 16.8 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 06 - Titration of a weak acid with a strong base (continued).webm 16.8 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 06 - Titration of a weak acid with a strong base (continued).webm 16.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 06 - Titration of a weak acid with a strong base (continued).webm 16.8 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/16 - Silk road - 01 - The Silk Road and the Silk Routes.webm 16.7 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 02 - Internal vs. external features.webm 16.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 07 - Nan Goldin's snapshots of innocence and childhood.webm 16.7 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/05 - What drives oil prices - 02 - Short-run oil prices.webm 16.7 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 05 - Act 2.webm 16.7 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 01 - Introduction to kinetics.webm 16.7 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/01 - Reaction rates and rate laws - 01 - Introduction to kinetics.webm 16.7 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/05 - Introduction to enzymes - 01 - Introduction to kinetics.webm 16.7 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/05 - Introduction to enzymes - 01 - Introduction to kinetics.webm 16.7 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 18 - Carnot efficiency 2_Reversing the cycle.webm 16.7 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 18 - Carnot efficiency 2_Reversing the cycle.webm 16.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/02 - Kofun period (300-552 C.E.) - 01 - Haniwa warrior in keiko armor.webm 16.7 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/01 - Introduction to cells - 02 - Cell theory.webm 16.7 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/01 - Introduction to cells - 02 - Cell theory.webm 16.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 01 - Beginning of World War II.webm 16.7 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 01 - Beginning of World War II.webm 16.7 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 01 - Beginning of World War II.webm 16.7 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/08 - Judaism - 01 - Overview of early Judaism part 1.webm 16.7 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 01 - Intuition about simple harmonic oscillators.webm 16.7 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 01 - Intuition about simple harmonic oscillators.webm 16.7 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 05 - Coins of faith and power at the British Museum.webm 16.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 10 - Spider's wheels.webm 16.7 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/02 - Old and new worlds collide - 04 - The Columbian Exchange.webm 16.7 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/02 - Old and new worlds collide - 04 - The Columbian Exchange.webm 16.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/09 - England - 01 - The Harrowing of Hell.webm 16.7 MB
Science & engineering/08 - Biology - 12 - Cell division/04 - Cell cycle regulation, cancer, and stem cells - 03 - Apoptosis.webm 16.7 MB
Science & engineering/08 - Biology - 18 - Developmental biology/03 - Apoptosis - 01 - Apoptosis.webm 16.7 MB
Science & engineering/09 - AP Biology - 13 - Cell division/04 - Cell cycle regulation, cancer, and stem cells - 03 - Apoptosis.webm 16.7 MB
Science & engineering/09 - AP Biology - 19 - Developmental biology/03 - Apoptosis - 01 - Apoptosis.webm 16.7 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/04 - Photorespiration_ C3, C4, and CAM plants - 02 - C4 photosynthesis.webm 16.7 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/04 - Photorespiration_ C3, C4, and CAM plants - 02 - C4 photosynthesis.webm 16.7 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 01 - Drawing enantiomers.webm 16.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 13 - Motor controller functions.webm 16.6 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 03 - Conformations of ethane.webm 16.6 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 03 - Conformations of ethane.webm 16.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 11 - Conformations of ethane.webm 16.6 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 09 - 2015 AP Biology free response 7.webm 16.6 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 09 - 2015 AP Biology free response 7.webm 16.6 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/09 - Foci of a hyperbola - 02 - Proof of the hyperbola foci formula.webm 16.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 07 - Giotto, Arena (Scrovegni) Chapel (part 3).webm 16.6 MB
Science & engineering/01 - Physics - 16 - Special relativity/02 - Minkowski spacetime - 04 - Introduction to special relativity and Minkowski spacetime diagrams.webm 16.6 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 03 - Wants vs. needs.webm 16.6 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/10 - Song China - 01 - Chinese Imperial Dynasties.webm 16.6 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 07 - Electron configurations for the third and fourth periods.webm 16.6 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 07 - Electron configurations for the third and fourth periods.webm 16.6 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 13 - Electron configurations for the third and fourth periods.webm 16.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 02 - Transmission of HIV.webm 16.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 02 - Transmission of HIV.webm 16.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 06 - Bruegel, Hunters in the Snow (Winter).webm 16.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 04 - Maritime Theatre at Hadrian's Villa, Tivoli.webm 16.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 05 - Maritime Theatre at Hadrian's Villa, Tivoli.webm 16.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 16 - Ben Eater's Spider.webm 16.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 12 - Flu vaccine risks and benefits.webm 16.5 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 07 - Multiple lens systems.webm 16.5 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 07 - Multiple lens systems.webm 16.5 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 07 - Multiple lens systems.webm 16.5 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 01 - Orbitals.webm 16.5 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 01 - Orbitals.webm 16.5 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/02 - Electron shells and orbitals - 01 - Orbitals.webm 16.5 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/02 - Electron shells and orbitals - 01 - Orbitals.webm 16.5 MB
Arts and humanities/02 - US history - 12 - Surveys of history/01 - United States history overview - 05 - When Capitalism is great and not-so-great.webm 16.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 09 - Bitcoin_ The security of transaction block chains.webm 16.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 16 - What are warts_.webm 16.4 MB
Arts and humanities/04 - Art history/14 - Art of Oceania - 03 - Melanesia/01 - Melanesia - 01 - Mask (Buk), Torres Strait, Mabuiag Island.webm 16.4 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 02 - Enthalpy.webm 16.4 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 02 - Enthalpy.webm 16.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 02 - Enthalpy.webm 16.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 03 - Robert Rauschenberg, Bed.webm 16.4 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 07 - Berlinghieri, St. Francis altarpiece.webm 16.4 MB
Arts and humanities/04 - Art history/01 - Art history basics - 01 - First things first/01 - First things first - 03 - Is there a difference between art and craft_.webm 16.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/02 - Buddhist art and culture, an introduction - 04 - Varanasi_ sacred city.webm 16.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/03 - Buddhist art in South Asia - 03 - Varanasi_ sacred city.webm 16.4 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/02 - Prokaryotic and eukaryotic cells - 01 - Cell size.webm 16.4 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/02 - Prokaryotic and eukaryotic cells - 01 - Cell size.webm 16.4 MB
Science & engineering/08 - Biology - 05 - Macromolecules/04 - Nucleic acids - 05 - Molecular structure of RNA.webm 16.4 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/02 - Transcription - 03 - Molecular structure of RNA.webm 16.4 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/04 - Nucleic acids - 05 - Molecular structure of RNA.webm 16.4 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/02 - Transcription - 03 - Molecular structure of RNA.webm 16.4 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/02 - European Middle Ages_ feudalism and serfdom - 02 - Feudal system during the Middle Ages.webm 16.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/01 - Art and the French state - 02 - Couture, Romans of the Decadence.webm 16.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/02 - Buddhist art and culture, an introduction - 01 - Zen Buddhism.webm 16.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/01 - Beginner’s guide to Japanese Art - 01 - Zen Buddhism.webm 16.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/02 - Other fronts of World War I - 01 - Serbian and Macedonian fronts.webm 16.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 05 - Ischemic stroke.webm 16.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 05 - Ischemic stroke.webm 16.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 08 - Fatty Acid Oxidation - Part II.webm 16.3 MB
Science & engineering/08 - Biology - 05 - Macromolecules/04 - Nucleic acids - 01 - DNA.webm 16.3 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/05 - Molecular basis of genetics - 01 - DNA.webm 16.3 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/01 - Structure of DNA - 01 - DNA.webm 16.3 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/04 - Nucleic acids - 01 - DNA.webm 16.3 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/05 - Molecular basis of genetics - 01 - DNA.webm 16.3 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/01 - Structure of DNA - 01 - DNA.webm 16.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 01 - DNA.webm 16.3 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/05 - Functions of money - 02 - When the functions of money break down_ Hyperinflation.webm 16.3 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 06 - Pendulums.webm 16.3 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 06 - Pendulums.webm 16.3 MB
Arts and humanities/01 - World history - 06 - The 20th century/03 - Western and Eastern fronts of World War I - 05 - Closing stages of World War I.webm 16.3 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 08 - The battery and electromagnetism.webm 16.3 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 12 - The battery and electromagnetism.webm 16.3 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/03 - Mixtures and solutions - 01 - Suspensions, colloids and solutions.webm 16.3 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/03 - Mixtures and solutions - 01 - Suspensions, colloids and solutions.webm 16.3 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 03 - Units for common medical lab values.webm 16.3 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 08 - Art of Mexico in the 18th and 19th centuries/01 - Art of Mexico in the 18th and 19th centuries - 01 - Velasco, The Valley of Mexico.webm 16.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/06 - Muromachi period (1392–1573) - 03 - Teahouse at the Asian Art Museum.webm 16.3 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 13 - Childhood growth.webm 16.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 05 - Preeclampsia.webm 16.3 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 05 - Preeclampsia.webm 16.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 02 - Barbara Hepworth_ Pioneering modern scu.webm 16.3 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 01 - Scale of the large.webm 16.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 28 - Chassis modifications.webm 16.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 09 - Pre-Raphaelites_ Curator's choice - Ford Madox Brown's 'Wo.webm 16.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 02 - New York Kouros.webm 16.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 05 - East Pediment sculptures, Parthenon, including Helios, Horses and Dionysus (Heracles_).webm 16.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 09 - Ludovisi Battle Sarcophagus.webm 16.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 10 - Ludovisi Battle Sarcophagus.webm 16.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 11 - Ludovisi Battle Sarcophagus.webm 16.2 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.2 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.2 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.2 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 09 - Fragonard, The Meeting.webm 16.2 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/03 - Origins of Islam - 02 - Beginnings of Islam_ The life of Muhammad.webm 16.2 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/03 - Chromosomal basis of genetics - 02 - Thomas Hunt Morgan and fruit flies.webm 16.2 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/03 - Chromosomal basis of genetics - 02 - Thomas Hunt Morgan and fruit flies.webm 16.2 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 12 - Thermodynamic entropy definition clarification.webm 16.2 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 12 - Thermodynamic entropy definition clarification.webm 16.2 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 08 - Thermodynamic entropy definition clarification.webm 16.2 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/01 - The Gilded Age - 04 - Misunderstanding evolution_ a historian's perspective on Social Darwinism.webm 16.2 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/01 - The Gilded Age - 04 - Misunderstanding evolution_ a historian's perspective on Social Darwinism.webm 16.2 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/02 - Transcription - 02 - Transcription and mRNA processing.webm 16.2 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/02 - Transcription - 02 - Transcription and mRNA processing.webm 16.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 06 - Transcription and mRNA processing.webm 16.2 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/03 - Venice and Ravenna - 02 - Sant'Apollinare in Classe, Ravenna.webm 16.2 MB
Science & engineering/08 - Biology - 27 - Human biology/01 - Circulatory and pulmonary systems - 04 - Hemoglobin.webm 16.2 MB
Science & engineering/09 - AP Biology - 28 - Human biology/01 - Circulatory and pulmonary systems - 04 - Hemoglobin.webm 16.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 06 - Hemoglobin.webm 16.2 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 06 - Hemoglobin.webm 16.2 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/01 - The age of empire - 01 - The age of empire.webm 16.1 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/01 - The age of empire - 01 - The age of empire.webm 16.1 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 07 - Getting to know Fran Kalal.webm 16.1 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 08 - Getting to know Fran Kalal.webm 16.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 06 - PV diagrams - part 2_ Isothermal, isometric, adiabatic processes.webm 16.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 09 - Risk factors for drug use and drug abuse.webm 16.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 09 - Risk factors for drug use and drug abuse.webm 16.1 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/02 - Discovery of DNA - 03 - The discovery of the double helix structure of DNA.webm 16.1 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/02 - Discovery of DNA - 03 - The discovery of the double helix structure of DNA.webm 16.1 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/01 - Rotational kinematics - 01 - Angular motion variables.webm 16.1 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/01 - Rotational kinematics - 01 - Angular motion variables.webm 16.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 08 - Donatello, Saint Mark.webm 16.1 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 02 - Motivations for English colonization.webm 16.1 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 02 - Motivations for English colonization.webm 16.1 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 01 - Fischer esterification.webm 16.1 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 11 - Preventing TB transmission.webm 16.1 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 11 - Preventing TB transmission.webm 16.1 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/13 - Environment and trade - 01 - Early medieval trade.webm 16.1 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 03 - Neo-Classicism/01 - Neo-Classicism - 04 - Jacques-Louis David, The Death of Marat.webm 16.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 03 - Pressure in the left heart - part 3.webm 16.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 03 - Pressure in the left heart - part 3.webm 16.1 MB
Computing/04 - Computer animation - 11 - Character modeling/01 - Modeling with subdivision surfaces - 06 - Getting to know Alonso Martinez.webm 16.1 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 09 - Judith Leyster, Self-Portrait.webm 16.1 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 07 - Titration of a weak base with a strong acid.webm 16.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 07 - Titration of a weak base with a strong acid.webm 16.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 07 - Titration of a weak base with a strong acid.webm 16.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/04 - Art in Afghanistan - 03 - Hidden treasures revealed.webm 16.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 02 - Umbilical vessels and the ductus venosus.webm 16.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 02 - Umbilical vessels and the ductus venosus.webm 16.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/06 - Ancient Colombian chiefdoms - 01 - By hammer and fire_ Goldmaking techniques of the ancien.webm 16.0 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 05 - Acceleration due to gravity at the space station.webm 16.0 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 05 - Acceleration due to gravity at the space station.webm 16.0 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/03 - Origins of Islam - 03 - Beginnings of Islam_ The Hijra to Medina and the conversion of Mecca.webm 16.0 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/06 - Variations on cellular respiration - 01 - Lactic acid fermentation.webm 16.0 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/06 - Variations on cellular respiration - 01 - Lactic acid fermentation.webm 16.0 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 01 - Introduction to lab values and normal ranges.webm 16.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 02 - Pressure in the left heart - part 2.webm 16.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 02 - Pressure in the left heart - part 2.webm 16.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 07 - Raphael, Galatea.webm 16.0 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/07 - Long live Tau - 01 - Tau versus pi.webm 16.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 23 - Pierre Le Gros the Younger, Stanislas Kostka on his Deathbed.webm 15.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/08 - Judaism - 02 - Overview of early Judaism part 2.webm 15.9 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 08 - Advice.webm 15.9 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/03 - DVD player - 02 - What is inside a DVD player_ (2 of 5).webm 15.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/05 - From Roman Republic to Roman Empire - 02 - Caesar, Cleopatra and the Ides of March.webm 15.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 10 - Reimagine the pressure volume relationship.webm 15.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 04 - Reimagine the pressure volume relationship.webm 15.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 10 - Reimagine the pressure volume relationship.webm 15.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 04 - Reimagine the pressure volume relationship.webm 15.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 05 - Fatty Acid Synthesis - Part II.webm 15.9 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 06 - AP US History DBQ example 2.webm 15.9 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 06 - AP US History DBQ example 2.webm 15.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 01 - Introduction to energy storage.webm 15.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 04 - Spider's click n' stick.webm 15.9 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 04 - Inverting op-amp.webm 15.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/07 - Cranach and Altdorfer - 01 - Cranach, Adam and Eve.webm 15.9 MB
Science & engineering/01 - Physics - 12 - Circuits/02 - Circuits with capacitors - 01 - Capacitors and capacitance.webm 15.9 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/02 - Circuits with capacitors - 01 - Capacitors and capacitance.webm 15.9 MB
Test prep/02 - MCAT - 08 - Physical processes/15 - Capacitors - 01 - Capacitors and capacitance.webm 15.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/17 - Survey of second-wave civilizations - 01 - Survey from Neo Babylonians to Persians.webm 15.9 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/03 - Breathing control - 01 - Peripheral chemoreceptors.webm 15.9 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/03 - Breathing Control - 01 - Peripheral chemoreceptors.webm 15.9 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 01 - Reactions in equilibrium.webm 15.8 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/01 - Equilibrium constant - 01 - Reactions in equilibrium.webm 15.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/19 - Equilibrium - 01 - Reactions in equilibrium.webm 15.8 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/02 - Centripetal forces - 04 - Mass swinging in a horizontal circle.webm 15.8 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/02 - Centripetal forces - 04 - Mass swinging in a horizontal circle.webm 15.8 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 04 - Allocative efficiency and marginal benefit.webm 15.8 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 01 - Electric field definition.webm 15.8 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 01 - Electric field definition.webm 15.8 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 01 - Electric field definition.webm 15.8 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 12 - Subcortical cerebrum.webm 15.8 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 15 - Subcortical cerebrum.webm 15.8 MB
Science & engineering/08 - Biology - 27 - Human biology/03 - The kidney and nephron - 02 - Secondary active transport in the nephron.webm 15.8 MB
Science & engineering/09 - AP Biology - 28 - Human biology/03 - The kidney and nephron - 02 - Secondary active transport in the nephron.webm 15.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 08 - Secondary active transport in the nephron.webm 15.8 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 06 - Secondary active transport in the nephron.webm 15.8 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 05 - Secondary active transport in the nephron.webm 15.8 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 08 - Secondary active transport in the nephron.webm 15.8 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 03 - Medieval period/01 - Medieval period - 02 - Coronation mantle.webm 15.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 08 - Treating depression with antidepressants.webm 15.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 08 - Treating depression with antidepressants.webm 15.8 MB
Science & engineering/08 - Biology - 23 - Ecology/06 - Intro to ecosystems - 01 - Ecosystems and biomes.webm 15.8 MB
Science & engineering/09 - AP Biology - 24 - Ecology/06 - Intro to ecosystems - 01 - Ecosystems and biomes.webm 15.8 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/03 - Chromosomal basis of genetics - 01 - Boveri-Sutton chromosome theory.webm 15.8 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/03 - Chromosomal basis of genetics - 01 - Boveri-Sutton chromosome theory.webm 15.8 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 07 - Advice to storytellers 2.webm 15.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 05 - Diagnosis of myocarditis and pericarditis (part 2).webm 15.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/10 - Myocarditis and pericarditis - 05 - Diagnosis of myocarditis and pericarditis (part 2).webm 15.8 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/04 - Sex linkage, chromosomal mutations, and non-nuclear inheritance - 01 - Sex-linked traits.webm 15.8 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/04 - Sex linkage, chromosomal mutations, and non-nuclear inheritance - 01 - Sex-linked traits.webm 15.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 03 - Sex-linked traits.webm 15.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 05 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2.webm 15.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 05 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2.webm 15.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 05 - Giotto, Arena (Scrovegni) Chapel (part 1).webm 15.8 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/05 - Sunni and Shia Islam - 02 - Sunni and Shia Islam part 2.webm 15.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 07 - Mitral valve regurgitation and mitral valve prolapse.webm 15.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 07 - Mitral valve regurgitation and mitral valve prolapse.webm 15.8 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/02 - Discovery of DNA - 02 - Hershey and Chase_ DNA is the genetic material.webm 15.7 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/02 - Discovery of DNA - 02 - Hershey and Chase_ DNA is the genetic material.webm 15.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 05 - Action potentials in cardiac myocytes.webm 15.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 05 - Action potentials in cardiac myocytes.webm 15.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/03 - Flanders - 06 - Anthony van Dyck, Charles I at the Hunt.webm 15.7 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 11 - AP US History long essay example 3.webm 15.7 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 11 - AP US History long essay example 3.webm 15.7 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 03 - Inductor equations.webm 15.7 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 08 - Titration of a weak base with a strong acid (continued).webm 15.7 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 08 - Titration of a weak base with a strong acid (continued).webm 15.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 08 - Titration of a weak base with a strong acid (continued).webm 15.7 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/06 - The Roman Empire - 01 - Emperors of Pax Romana.webm 15.7 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 08 - Inflammatory response.webm 15.7 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 08 - Inflammatory response.webm 15.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 11 - Inflammatory response.webm 15.7 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/03 - DNA replication - 02 - Leading and lagging strands in DNA replication.webm 15.7 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/03 - DNA replication - 02 - Leading and lagging strands in DNA replication.webm 15.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 05 - Leading and lagging strands in DNA replication.webm 15.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 11 - Coagulation cascade.webm 15.7 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 11 - Coagulation cascade.webm 15.7 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 06 - Coagulation cascade.webm 15.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 05 - Vito Acconci.webm 15.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 07 - Aldosterone raises blood pressure and lowers potassium.webm 15.7 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 05 - Aldosterone raises blood pressure and lowers potassium.webm 15.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 07 - Aldosterone raises blood pressure and lowers potassium.webm 15.7 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 05 - Aldosterone raises blood pressure and lowers potassium.webm 15.7 MB
Science & engineering/01 - Physics - 05 - Work and energy/02 - Springs and Hooke's law - 04 - LOL diagrams.webm 15.6 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/02 - Springs and Hooke's law - 04 - LOL diagrams.webm 15.6 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 05 - A mathematical theory of communication.webm 15.6 MB
Science & engineering/08 - Biology - 12 - Cell division/02 - The cell cycle and mitosis - 02 - Mitosis.webm 15.6 MB
Science & engineering/09 - AP Biology - 13 - Cell division/02 - The cell cycle and mitosis - 02 - Mitosis.webm 15.6 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 07 - Mitosis.webm 15.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 04 - Digestion, Mobilization, and Transport of Fats - Part II.webm 15.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 12 - Disaccharides and polysaccharides.webm 15.6 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 04 - Launching and landing on different elevations.webm 15.6 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 04 - Launching and landing on different elevations.webm 15.6 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 01 - The force of tension.webm 15.6 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/06 - Tension - 01 - The force of tension.webm 15.6 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/02 - Nucleophilicity and basicity - 01 - Nucleophilicity (nucleophile strength).webm 15.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 06 - American-Chinese debt loop.webm 15.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 04 - How HIV infects us_ CD4 (T-helper) lymphocyte infection.webm 15.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 04 - How HIV infects us_ CD4 (T-helper) lymphocyte infection.webm 15.6 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 10 - East-West Divan at the Venice Biennale.webm 15.5 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 04 - Gian Lorenzo Bernini, Baldacchino.webm 15.5 MB
Science & engineering/01 - Physics - 05 - Work and energy/02 - Springs and Hooke's law - 05 - Vertical springs and energy conservation.webm 15.5 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/02 - Springs and Hooke's law - 05 - Vertical springs and energy conservation.webm 15.5 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 05 - Calculus proof of centripetal acceleration formula.webm 15.5 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 05 - Calculus proof of centripetal acceleration formula.webm 15.5 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 04 - Inflammatory bowel disease_ Treatment.webm 15.5 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 04 - Inflammatory bowel disease_ Treatment.webm 15.5 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/03 - Sculpture - 03 - Carving marble with traditional tools.webm 15.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 04 - Carving marble with traditional tools.webm 15.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 08 - Markets of Trajan.webm 15.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 05 - Layers of the heart.webm 15.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 05 - Layers of the heart.webm 15.5 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 02 - Layers of the heart.webm 15.5 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 03 - Intro to arccosine.webm 15.5 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 03 - Intro to arccosine.webm 15.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 01 - Room_ Henry Moore.webm 15.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 10 - P_E conundrum.webm 15.5 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/03 - The Calvin cycle - 01 - Photosynthesis_Calvin cycle.webm 15.5 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/03 - The Calvin cycle - 01 - Photosynthesis_Calvin cycle.webm 15.5 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 08 - 1944- Allies advance further in Europe.webm 15.5 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 08 - 1944- Allies advance further in Europe.webm 15.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 04 - Freud's psychosexual development.webm 15.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/05 - Bali - 01 - Balinese shadow theater.webm 15.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 05 - Allosteric regulation and feedback loops.webm 15.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/17 - Enzymes - 05 - Allosteric regulation and feedback loops.webm 15.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 06 - Jacob Lawrence, The Migration Seri.webm 15.4 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 03 - Deriving the shortcut to solve elastic collision problems.webm 15.4 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 03 - Deriving the shortcut to solve elastic collision problems.webm 15.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 04 - Inhaling and exhaling.webm 15.4 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 04 - Inhaling and exhaling.webm 15.4 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 02 - Inhaling and exhaling.webm 15.4 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 02 - Inhaling and exhaling.webm 15.4 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/01 - 1. We are all storytellers - 05 - World and Character.webm 15.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/06 - Aftermath of World War I - 03 - Paris Peace Conference and Treaty of Versailles.webm 15.4 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/02 - The United States in World War I - 05 - Paris Peace Conference and Treaty of Versailles.webm 15.4 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/02 - The United States in World War I - 05 - Paris Peace Conference and Treaty of Versailles.webm 15.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 01 - Shirazeh Houshiary.webm 15.4 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 04 - Renting vs. buying (detailed analysis).webm 15.4 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 01 - Le Chatelier's principle.webm 15.4 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 01 - Le Chatelier's principle.webm 15.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/11 - Principles of bioenergetics - 05 - Le Chatelier's principle.webm 15.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/19 - Equilibrium - 02 - Le Chatelier's principle.webm 15.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 02 - Robert Morris_ Bodyspacemotionthings at Tate Modern.webm 15.4 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 08 - Mesh current method (step 4).webm 15.4 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 10 - Battery wires.webm 15.4 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/05 - Center and radii of an ellipse - 01 - Intro to ellipses.webm 15.4 MB
Test prep/02 - MCAT - 06 - Cells/10 - Cellular development - 01 - Stem cells.webm 15.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/01 - A beginner's guide to Korean art - 01 - Korean Buddhist art.webm 15.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 04 - Spermatogenesis.webm 15.3 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 04 - Spermatogenesis.webm 15.3 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 04 - Spermatogenesis.webm 15.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 03 - The art of gem carving.webm 15.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 03 - Aegean art/02 - Mycenaean - 04 - The Treasury of Atreus, c. 1300-1250 B.C.E., Mycenae, Greece.webm 15.3 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 14 - Bacterial meningitis.webm 15.3 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 02 - Question 1b_ 2015 AP Physics 1 free response.webm 15.3 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 02 - Question 1b_ 2015 AP Physics 1 free response.webm 15.3 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 05 - Titration of a weak acid with a strong base.webm 15.3 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 05 - Titration of a weak acid with a strong base.webm 15.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 05 - Titration of a weak acid with a strong base.webm 15.3 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 01 - The quadratic formula.webm 15.3 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 01 - The quadratic formula.webm 15.3 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/03 - Free energy - 02 - Endergonic, exergonic, exothermic, and endothermic.webm 15.3 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/03 - Free energy - 02 - Endergonic, exergonic, exothermic, and endothermic.webm 15.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 01 - Courbet, Burial at Ornans.webm 15.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/05 - From Roman Republic to Roman Empire - 01 - Rise of Julius Caesar.webm 15.3 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 03 - E1 mechanism_ stereoselectivity.webm 15.3 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 03 - Permeability and membrane potentials.webm 15.3 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 10 - Permeability and membrane potentials.webm 15.3 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 03 - Permeability and membrane potentials.webm 15.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 08 - Fragonard, The Swing.webm 15.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/15 - Comparing the rise and fall of empires - 01 - Comparison_ Rise of empires.webm 15.3 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/08 - Introduction to hyperbolas - 01 - Intro to hyperbolas.webm 15.3 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 07 - More on Newton's third law.webm 15.3 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 07 - More on Newton's third law.webm 15.3 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 01 - Introduction to character.webm 15.3 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/05 - Olmec - 03 - Kunz Axe.webm 15.3 MB
Test prep/02 - MCAT - 06 - Cells/11 - Embryology - 02 - Early embryogenesis - Cleavage, blastulation, gastrulation, and neurulation.webm 15.3 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 02 - Early embryogenesis - Cleavage, blastulation, gastrulation, and neurulation.webm 15.3 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 03 - Cupcake economics 3.webm 15.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 04 - Brunelleschi, Dome of the Cathedral of Florence..webm 15.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 10 - Wise and Foolish Virgins, Sant Quirze de Pedret.webm 15.3 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 02 - pKa and pKb relationship.webm 15.3 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 02 - pKa and pKb relationship.webm 15.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 04 - Anatomy of a skeletal muscle cell.webm 15.2 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 04 - Anatomy of a skeletal muscle cell.webm 15.2 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 04 - Anatomy of a skeletal muscle cell.webm 15.2 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 02 - Understanding calendar notation.webm 15.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/05 - World War I shapes the Middle East - 02 - Sinai, Palestine and Mesopotamia campaigns.webm 15.2 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 07 - More on single slit interference.webm 15.2 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 07 - More on single slit interference.webm 15.2 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 09 - More on single slit interference.webm 15.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 07 - Empire_ Medea Sarcophagus.webm 15.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 08 - Empire_ Medea Sarcophagus.webm 15.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/05 - World War I shapes the Middle East - 04 - Arabia after World War I.webm 15.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/06 - Aftermath of World War I - 05 - Arabia after World War I.webm 15.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 03 - Fatty Acid Synthesis - Part I.webm 15.2 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 09 - Finding Fourier coefficients for square wave.webm 15.2 MB
Science & engineering/08 - Biology - 16 - Gene regulation/01 - Gene regulation in bacteria - 03 - Lac operon.webm 15.2 MB
Science & engineering/09 - AP Biology - 17 - Gene regulation/01 - Gene regulation in bacteria - 03 - Lac operon.webm 15.2 MB
Science & engineering/08 - Biology - 05 - Macromolecules/04 - Nucleic acids - 04 - Antiparallel structure of DNA strands.webm 15.2 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/01 - Structure of DNA - 03 - Antiparallel structure of DNA strands.webm 15.2 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/04 - Nucleic acids - 04 - Antiparallel structure of DNA strands.webm 15.2 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/01 - Structure of DNA - 03 - Antiparallel structure of DNA strands.webm 15.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 03 - Antiparallel structure of DNA strands.webm 15.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 02 - Antiparallel structure of DNA strands.webm 15.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 09 - El Greco, Adoration of the Shepherds.webm 15.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/08 - Cardiomyopathy - 02 - Cardiomyopathy signs and symptoms.webm 15.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/09 - Cardiomyopathy - 02 - Cardiomyopathy signs and symptoms.webm 15.2 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 05 - Rotational version of Newton's second law.webm 15.2 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 05 - Rotational version of Newton's second law.webm 15.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 05 - Bruegel, Tower of Babel.webm 15.2 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 02 - Non-inverting op-amp.webm 15.2 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/01 - Introduction to electromagnetic waves - 02 - Polarization of light, linear and circular.webm 15.2 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/01 - Introduction to electromagnetic waves - 02 - Polarization of light, linear and circular.webm 15.2 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 02 - Polarization of light, linear and circular.webm 15.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 18 - Tintoretto, the Origin of the Milky Way.webm 15.2 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/05 - Introduction to enzymes - 02 - Enzymes.webm 15.2 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/05 - Introduction to enzymes - 02 - Enzymes.webm 15.2 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 08 - Diopters, Aberration, and the Human Eye.webm 15.1 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 08 - Diopters, Aberration, and the Human Eye.webm 15.1 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 08 - Diopters, Aberration, and the Human Eye.webm 15.1 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 17 - Michael Rakowitz on Star Wars and Saddam Hussein.webm 15.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 09 - 1945 - End of World War II.webm 15.1 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 09 - 1945 - End of World War II.webm 15.1 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 09 - 1945 - End of World War II.webm 15.1 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/03 - Elimination reactions - 03 - Zaitsev's rule.webm 15.1 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/05 - Graphs of radical functions - 02 - Graphs of square-root functions.webm 15.1 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/05 - Graphs of radical functions - 02 - Graphs of square-root functions.webm 15.1 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/05 - Myeloproliferative disorders - 04 - What is chronic myelogenous leukemia_.webm 15.1 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/05 - Myeloproliferative disorders - 04 - What is chronic myelogenous leukemia_.webm 15.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 20 - Renoir, The Grands Boulevards.webm 15.1 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 08 - VSEPR for 5 electron clouds.webm 15.1 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 08 - VSEPR for 5 electron clouds.webm 15.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 07 - VSEPR for 5 electron clouds.webm 15.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/10 - Endocrine system introduction - 01 - Endocrine gland hormone review.webm 15.1 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/01 - Endocrine system introduction - 02 - Endocrine gland hormone review.webm 15.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 01 - Endocrine gland hormone review.webm 15.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 01 - Endocrine gland hormone review.webm 15.1 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 01 - Endocrine gland hormone review.webm 15.1 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 01 - Endocrine gland hormone review.webm 15.1 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 05 - Southern Africa/03 - Zimbabwe - 01 - Great Zimbabwe National Monument (UNESCO_NHK).webm 15.1 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/07 - The Great Schism - 04 - Great Schism or East-West Schism part 2.webm 15.1 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 01 - Heart disease and heart attacks.webm 15.0 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 20 - The President as Commander-in-Chief.webm 15.0 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 07 - Supernova (supernovae).webm 15.0 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 04 - Ionization energy trends.webm 15.0 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 04 - Ionization energy trends.webm 15.0 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/01 - American Revolution - 03 - Background and introduction to the United States Declaration of Independence.webm 15.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 08 - Simone Martini, Annunciation.webm 15.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/13 - Carbohydrates - 04 - Carbohydrates- di and polysaccharides.webm 15.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/11 - Carbohydrates - 01 - Carbohydrates- di and polysaccharides.webm 15.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 03 - Atherosclerosis - part 1.webm 15.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 14 - Manet, A Bar at the Folies-Bergère.webm 15.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/01 - A beginner's guide to Korean art - 02 - Guardian King of the West.webm 15.0 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/02 - Old and new worlds collide - 01 - Origins of European exploration in the Americas.webm 15.0 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/02 - Old and new worlds collide - 01 - Origins of European exploration in the Americas.webm 15.0 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 06 - Stakes.webm 15.0 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 07 - Intergalactic scale.webm 15.0 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/02 - The birth of agriculture and the neolithic revolution - 02 - How did agriculture spread_.webm 15.0 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 08 - Depreciation.webm 15.0 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 05 - pH, pOH of strong acids and bases.webm 15.0 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 05 - pH, pOH of strong acids and bases.webm 15.0 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 06 - Getting to know Ana.webm 15.0 MB
Science & engineering/08 - Biology - 23 - Ecology/06 - Intro to ecosystems - 02 - Flow of energy and matter through ecosystems.webm 15.0 MB
Science & engineering/09 - AP Biology - 24 - Ecology/06 - Intro to ecosystems - 02 - Flow of energy and matter through ecosystems.webm 15.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 21 - Pozzo, Saint Ignatius Chapel, Il Gesù.webm 15.0 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 02 - Solubility and intermolecular forces.webm 15.0 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 02 - Solubility and intermolecular forces.webm 15.0 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/03 - Average fixed, variable and marginal costs - 02 - Visualizing average costs and marginal costs as slope.webm 15.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 04 - Primary and Secondary TB.webm 15.0 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 04 - Primary and Secondary TB.webm 15.0 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 06 - Thin lens equation and problem solving.webm 14.9 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 06 - Thin lens equation and problem solving.webm 14.9 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 06 - Thin lens equation and problem solving.webm 14.9 MB
Science & engineering/08 - Biology - 05 - Macromolecules/03 - Lipids - 03 - Lipid overview.webm 14.9 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/03 - Lipids - 03 - Lipid overview.webm 14.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 15 - Johannes Vermeer, The Art of Painting.webm 14.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 03 - Preload and pressure.webm 14.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 03 - Preload and pressure.webm 14.9 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 03 - Oil paint.webm 14.9 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 02 - 1940- Axis gains momentum in World War II.webm 14.9 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 02 - 1940- Axis gains momentum in World War II.webm 14.9 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 02 - 1940- Axis gains momentum in World War II.webm 14.9 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 03 - More rigorous Gibbs free energy _ spontaneity relationship.webm 14.9 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 03 - More rigorous Gibbs free energy _ spontaneity relationship.webm 14.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 07 - More rigorous Gibbs free energy _ spontaneity relationship.webm 14.9 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 06 - Beat frequency.webm 14.9 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 06 - Beat frequency.webm 14.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/02 - Wall painting - 01 - Empire_ Painted Garden, Villa of Livia.webm 14.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 16 - Peripheral somatosensation.webm 14.9 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 16 - Peripheral somatosensation.webm 14.9 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 04 - Peripheral somatosensation.webm 14.9 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 04 - Peripheral somatosensation.webm 14.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/02 - Enzyme structure and function - 01 - Introduction to enzymes and catalysis.webm 14.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/17 - Enzymes - 01 - Introduction to enzymes and catalysis.webm 14.9 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 07 - Getting to know Hayley Iben.webm 14.9 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 04 - Standing waves in open tubes.webm 14.9 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 04 - Standing waves in open tubes.webm 14.9 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 08 - Standing waves in open tubes.webm 14.9 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 15 - Maxwell's demon.webm 14.9 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 15 - Maxwell's demon.webm 14.9 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 12 - Maxwell's demon.webm 14.9 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/13 - Syncretism - 01 - Cultural Syncretism in Central Asia.webm 14.9 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 03 - Conductors and Insulators.webm 14.9 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 03 - Conductors and Insulators.webm 14.9 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 03 - Conductors and Insulators.webm 14.9 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 04 - Conductors and Insulators.webm 14.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 10 - Andrea Pisano's reliefs on the Campanile in Florence.webm 14.9 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/06 - Proofs of general theorems that use triangle congruence - 02 - Geometry proof problem_ congruent segments.webm 14.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 09 - How does the body adapt to starvation_.webm 14.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 05 - How does the body adapt to starvation_.webm 14.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 04 - Dorothea Rockburne_ Drawing Which Makes Itself.webm 14.8 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 05 - Dorothea Rockburne_ Drawing Which Makes Itself.webm 14.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 18 - Monet, Water Lilies.webm 14.8 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 04 - Conformations of cyclohexane.webm 14.8 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 04 - Conformations of cyclohexane.webm 14.8 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 01 - Galvanic cells and changes in free energy.webm 14.8 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 01 - Galvanic cells and changes in free energy.webm 14.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/19 - Equilibrium - 05 - Galvanic cells and changes in free energy.webm 14.8 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 12 - Ball hits rod angular momentum example.webm 14.8 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 12 - Ball hits rod angular momentum example.webm 14.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 01 - Giorgione, The Tempest.webm 14.8 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/05 - Myeloproliferative disorders - 02 - What is polycythemia vera_.webm 14.8 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/05 - Myeloproliferative disorders - 02 - What is polycythemia vera_.webm 14.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 11 - Vermeer, The Glass of Wine.webm 14.8 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 10 - Balancing redox reactions in base.webm 14.8 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 10 - Balancing redox reactions in base.webm 14.8 MB
Test prep/02 - MCAT - 08 - Physical processes/30 - Redox reactions - 04 - Balancing redox reactions in base.webm 14.8 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 03 - Theme.webm 14.8 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/03 - Culture and reform in the early nineteenth century - 03 - The Second Great Awakening - reform and religious movements.webm 14.8 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/03 - Culture and reform - 03 - The Second Great Awakening - reform and religious movements.webm 14.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 19 - Tintoretto, Last Supper.webm 14.8 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 07 - Electron affinity_ period trend.webm 14.8 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 08 - Electron affinity_ period trend.webm 14.8 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 09 - Electron affinity_ period trend.webm 14.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 01 - Intro to rational expression simplification.webm 14.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 01 - Intro to rational expression simplification.webm 14.8 MB
Science & engineering/08 - Biology - 12 - Cell division/04 - Cell cycle regulation, cancer, and stem cells - 02 - Cancer.webm 14.7 MB
Science & engineering/09 - AP Biology - 13 - Cell division/04 - Cell cycle regulation, cancer, and stem cells - 02 - Cancer.webm 14.7 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 12 - Cancer.webm 14.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 08 - Carbohydrates - Epimers, common names.webm 14.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 08 - Genetics and Parkinson's disease.webm 14.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 09 - Genetics and Parkinson's disease.webm 14.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 08 - Genetics and Parkinson's disease.webm 14.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 09 - Genetics and Parkinson's disease.webm 14.7 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 01 - What is polio_.webm 14.7 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 02 - What is polio_.webm 14.7 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 01 - What is polio_.webm 14.7 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 02 - What is polio_.webm 14.7 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 05 - Heart attack (myocardial infarct) diagnosis.webm 14.7 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 05 - Heart attack (myocardial infarct) diagnosis.webm 14.7 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 09 - The Gettysburg Address - setting and context.webm 14.7 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 09 - The Gettysburg Address - setting and context.webm 14.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 01 - Pablo Picasso, Gertrude Stein.webm 14.7 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 02 - Catching and spreading the flu.webm 14.7 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 22 - KVL in the frequency domain.webm 14.7 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/03 - Glycolysis - 01 - Overview of glycolysis.webm 14.7 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/03 - Glycolysis - 01 - Overview of glycolysis.webm 14.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/14 - Carbohydrate Metabolism - 02 - Overview of glycolysis.webm 14.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 01 - What's inside of blood_.webm 14.7 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 01 - What's inside of blood_.webm 14.7 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 02 - What's inside of blood_.webm 14.7 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 01 - What's inside of blood_.webm 14.7 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 02 - Story spine.webm 14.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 06 - Etruscan/01 - Etruscan - 03 - Etruscan Necropolises of Cerveteri and Tarquinia (from UNESCO_NHK).webm 14.7 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 02 - The water cycle.webm 14.7 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 03 - The water cycle.webm 14.7 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 02 - The water cycle.webm 14.7 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 03 - The water cycle.webm 14.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 05 - Spout motor.webm 14.7 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 08 - Solubility and complex ion formation.webm 14.7 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 08 - Solubility and complex ion formation.webm 14.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 07 - Solubility and complex ion formation.webm 14.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/06 - Late empire - 02 - Basilica of Maxentius and Constantine.webm 14.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/01 - Hindu art and culture, an introduction - 03 - The Hindu deities Vishnu and Krishna.webm 14.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/02 - Ceramics, glass and mosaics - 02 - Making Greek vases.webm 14.6 MB
Science & engineering/01 - Physics - 12 - Circuits/02 - Circuits with capacitors - 03 - Energy of a capacitor.webm 14.6 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/02 - Circuits with capacitors - 03 - Energy of a capacitor.webm 14.6 MB
Test prep/02 - MCAT - 08 - Physical processes/15 - Capacitors - 03 - Energy of a capacitor.webm 14.6 MB
Arts and humanities/01 - World history - 06 - The 20th century/05 - World War I shapes the Middle East - 01 - Theodor Herzl and the birth of political Zionism.webm 14.6 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 05 - Hess's law example.webm 14.6 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 05 - Hess's law example.webm 14.6 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 08 - Aldosterone removes acid from the blood.webm 14.6 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 06 - Aldosterone removes acid from the blood.webm 14.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 08 - Aldosterone removes acid from the blood.webm 14.6 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 06 - Aldosterone removes acid from the blood.webm 14.6 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 12 - SOPA and PIPA.webm 14.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 13 - Structure of the nervous system.webm 14.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 13 - Structure of the nervous system.webm 14.6 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 01 - Structure of the nervous system.webm 14.6 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 01 - Structure of the nervous system.webm 14.6 MB
Arts and humanities/01 - World history - 06 - The 20th century/08 - Rise of Hitler and the Nazis - 03 - Hitler and the Nazis come to power.webm 14.6 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/09 - Nerve regulation of the heart - 02 - Changing the heart rate - chronotropic effect.webm 14.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/09 - Nerve regulation of the heart - 02 - Changing the heart rate - chronotropic effect.webm 14.6 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/06 - Foci of an ellipse - 01 - Foci of an ellipse from equation.webm 14.6 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 05 - Polynomials review.webm 14.6 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 05 - Polynomials review.webm 14.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 04 - Risk factors for stroke.webm 14.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 04 - Risk factors for stroke.webm 14.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 09 - Ancient Egyptian papyrus in the Book of the Dead Exhibition.webm 14.6 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 02 - Detectable civilizations in our galaxy 2.webm 14.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 06 - Hemorrhagic strokes.webm 14.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 06 - Hemorrhagic strokes.webm 14.6 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/04 - Rise of Rome - 02 - Roman social and political structures.webm 14.6 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/12 - Introduction to symmetry of functions - 01 - Intro to function symmetry.webm 14.6 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/14 - Introduction to symmetry of functions - 01 - Intro to function symmetry.webm 14.6 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 01 - First Law of Thermodynamics introduction.webm 14.6 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/01 - Internal energy - 01 - First Law of Thermodynamics introduction.webm 14.6 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/02 - Laws of thermodynamics - 02 - First Law of Thermodynamics introduction.webm 14.6 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/02 - Laws of thermodynamics - 02 - First Law of Thermodynamics introduction.webm 14.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/13 - Carbohydrates - 02 - Carbohydrates - absolute configuration, epimers, common names.webm 14.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/11 - Carbohydrates - 03 - Carbohydrates - absolute configuration, epimers, common names.webm 14.6 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/01 - Formation of Earth and early life - 03 - Origins of life.webm 14.5 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/01 - Formation of Earth and early life - 03 - Origins of life.webm 14.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 07 - Extrapulmonary TB (Part 2).webm 14.5 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 07 - Extrapulmonary TB (Part 2).webm 14.5 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 03 - Calculating average velocity or speed.webm 14.5 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 03 - Calculating average velocity or speed.webm 14.5 MB
Science & engineering/10 - Health and medicine - 20 - Current events in health and medicine/02 - Ebola outbreak - 01 - Understanding the Ebola virus outbreak.webm 14.5 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/02 - Retirement accounts_ IRAs and 401ks - 02 - Roth IRAs.webm 14.5 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/02 - Specific heat and heat transfer - 02 - Thermal conduction, convection, and radiation.webm 14.5 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/02 - Specific heat and heat transfer - 02 - Thermal conduction, convection, and radiation.webm 14.5 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 04 - More on internal energy.webm 14.5 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 04 - More on internal energy.webm 14.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 02 - More on internal energy.webm 14.5 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/01 - Internal energy - 02 - More on internal energy.webm 14.5 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 12 - Later stages of the Civil War - the election of 1864 and Sherman's March.webm 14.5 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 12 - Later stages of the Civil War - the election of 1864 and Sherman's March.webm 14.5 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 04 - Inductor kickback(1 of 2).webm 14.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 02 - Introduction to the income statement.webm 14.5 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/04 - Extracellular structures and cell-cell junctions - 02 - Plant cell walls.webm 14.5 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/04 - Extracellular structures and cell-cell junctions - 02 - Plant cell walls.webm 14.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 09 - Batteries_power.webm 14.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 01 - Diagnosis of pregnancy.webm 14.5 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 01 - Diagnosis of pregnancy.webm 14.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 05 - Sn1 mechanism_ kinetics and substrate.webm 14.5 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 04 - Ideal gas equation example 2.webm 14.5 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 04 - Ideal gas equation example 2.webm 14.5 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/06 - Enzyme regulation - 01 - Enzyme cofactors and coenzymes.webm 14.4 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/06 - Enzyme regulation - 01 - Enzyme cofactors and coenzymes.webm 14.4 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 01 - Risk and reward introduction.webm 14.4 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 06 - Electron configurations for the second period.webm 14.4 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 06 - Electron configurations for the second period.webm 14.4 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 12 - Electron configurations for the second period.webm 14.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 06 - Mantegna, Saint Sebastian.webm 14.4 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/01 - History of atomic structure - 02 - Rutherford’s gold foil experiment.webm 14.4 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/01 - History of atomic structure - 02 - Rutherford’s gold foil experiment.webm 14.4 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 02 - 2015 AP Biology free response, 1d-e.webm 14.4 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 02 - 2015 AP Biology free response, 1d-e.webm 14.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 05 - Caillebotte, The Floor Scrapers.webm 14.4 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 08 - 2015 AP Biology free response 3 - phylogenetic trees.webm 14.4 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 05 - 2015 AP Biology free response 3 - phylogenetic trees.webm 14.4 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 05 - 2015 AP Biology free response 3 - phylogenetic trees.webm 14.4 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 08 - 2015 AP Biology free response 3 - phylogenetic trees.webm 14.4 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/01 - Byzantine Empire - 02 - Comparing Roman and Byzantine Empires.webm 14.4 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/06 - Ancient Colombian chiefdoms - 02 - Depletion gilding_ Goldmaking techniques of the ancient.webm 14.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 03 - Enzymatic inhibition and Lineweaver Burk plots.webm 14.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/09 - Nerve regulation of the heart - 01 - Changing the AV node delay - chronotropic effect.webm 14.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/09 - Nerve regulation of the heart - 01 - Changing the AV node delay - chronotropic effect.webm 14.4 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/03 - Ancient Mesopotamia - 02 - Ancient history and the Old Testament.webm 14.4 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/01 - Introduction to cellular respiration - 03 - Cellular respiration introduction.webm 14.4 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/01 - Introduction to cellular respiration - 03 - Cellular respiration introduction.webm 14.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/14 - Carbohydrate Metabolism - 01 - Cellular respiration introduction.webm 14.4 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/02 - Global distribution of biodiversity - 01 - What is a biodiversity hotspot_.webm 14.4 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/02 - Global distribution of biodiversity - 01 - What is a biodiversity hotspot_.webm 14.4 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 04 - Definition of pH.webm 14.4 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 04 - Definition of pH.webm 14.4 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/04 - Acids, bases, and pH - 04 - Definition of pH.webm 14.4 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/04 - Acids, bases, and pH - 04 - Definition of pH.webm 14.4 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/03 - Introduction to mechanical waves - 02 - Properties of periodic waves.webm 14.4 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/03 - Introduction to mechanical waves - 02 - Properties of periodic waves.webm 14.4 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 03 - Addition of water (acid-catalyzed) mechanism.webm 14.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 03 - The Athenian Agora and the experiment in democracy.webm 14.4 MB
Science & engineering/01 - Physics - 12 - Circuits/02 - Circuits with capacitors - 06 - Dielectrics in capacitors.webm 14.4 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/02 - Circuits with capacitors - 06 - Dielectrics in capacitors.webm 14.4 MB
Test prep/02 - MCAT - 08 - Physical processes/15 - Capacitors - 06 - Dielectrics in capacitors.webm 14.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 05 - Zarina Hashmi.webm 14.4 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 08 - Phase diagrams.webm 14.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 01 - Phase diagrams.webm 14.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 05 - Three types of muscle.webm 14.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 01 - Three types of muscle.webm 14.4 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 05 - Three types of muscle.webm 14.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 02 - Three types of muscle.webm 14.4 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 05 - Three types of muscle.webm 14.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/05 - Van Eyck - 01 - Van Eyck, Ghent Altarpiece (1 of 2).webm 14.3 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 02 - Coulomb's Law.webm 14.3 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 02 - Coulomb's Law.webm 14.3 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 02 - Coulomb's Law.webm 14.3 MB
Science & engineering/11 - Electrical engineering - 05 - Electrostatics/01 - Electric force and electric field - 01 - Coulomb's Law.webm 14.3 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 02 - Coulomb's Law.webm 14.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 03 - Introduction.webm 14.3 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/05 - Factoring quadratics intro - 03 - More examples of factoring quadratics as (x+a)(x+b).webm 14.3 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 02 - More examples of factoring quadratics as (x+a)(x+b).webm 14.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 21 - Renoir, Moulin de la Galette.webm 14.3 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/05 - Myeloproliferative disorders - 01 - What are myeloproliferative disorders_.webm 14.3 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/05 - Myeloproliferative disorders - 01 - What are myeloproliferative disorders_.webm 14.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 04 - Van Gogh, The Bedroom.webm 14.3 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 05 - 2015 AP Chemistry free response 1b and c.webm 14.3 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 02 - 2015 AP Chemistry free response 1b and c.webm 14.3 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 05 - 2015 AP Chemistry free response 1b and c.webm 14.3 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 02 - 2015 AP Chemistry free response 1b and c.webm 14.3 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 08 - Calculate your own osmolarity.webm 14.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 03 - Early photography/01 - Early photography - 02 - The wet collodion process.webm 14.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 13 - Conservation _ Pollock, 'One_ Number 31, 1950'.webm 14.3 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 05 - Half-life and carbon dating.webm 14.3 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 05 - Half-life and carbon dating.webm 14.3 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 04 - Half-life and carbon dating.webm 14.3 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 05 - Half-life and carbon dating.webm 14.3 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 04 - Half-life and carbon dating.webm 14.3 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 07 - Half-life and carbon dating.webm 14.3 MB
Science & engineering/08 - Biology - 05 - Macromolecules/05 - Proteins - 03 - Overview of protein structure.webm 14.3 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/05 - Proteins - 03 - Overview of protein structure.webm 14.3 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 04 - Plate tectonics_ Geological features of divergent plate boundaries.webm 14.3 MB
Test prep/02 - MCAT - 08 - Physical processes/12 - Kinetic molecular theory of gases - 02 - Heat capacity at constant volume and pressure.webm 14.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/06 - Genetic mutations - 02 - The different types of mutations.webm 14.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 09 - Diagnosis, treatment, and prevention of syphilis.webm 14.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 09 - Diagnosis, treatment, and prevention of syphilis.webm 14.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/10 - The Americas - 02 - Chavin, Nazca, Moche, Huari and Tiwanaku civilizations.webm 14.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 06 - Santa Maria Maggiore.webm 14.3 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 02 - Visualizing vectors in 2 dimensions.webm 14.3 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 02 - Visualizing vectors in 2 dimensions.webm 14.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 05 - PV diagrams - part 1_ Work and isobaric processes.webm 14.3 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 02 - Sodium-potassium pump.webm 14.3 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 02 - Sodium-potassium pump.webm 14.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 05 - Sodium-potassium pump.webm 14.3 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 05 - Sodium-potassium pump.webm 14.3 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 05 - Sodium-potassium pump.webm 14.3 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 05 - E2 mechanism_ kinetics and substrate.webm 14.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 07 - Spout's reversing circuit and final assembly.webm 14.3 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 01 - Price elasticity of demand.webm 14.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 10 - Reproductive cycle graph - Luteal phase.webm 14.2 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 10 - Reproductive cycle graph - Luteal phase.webm 14.2 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 10 - Reproductive cycle graph - Luteal phase.webm 14.2 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/01 - 1. We are all storytellers - 06 - Storytelling advice.webm 14.2 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 09 - Thin Film Interference part 2.webm 14.2 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 09 - Thin Film Interference part 2.webm 14.2 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 11 - Thin Film Interference part 2.webm 14.2 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 04 - Electoral college.webm 14.2 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 08 - Government's financial condition.webm 14.2 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/06 - Latin American independence - 01 - Latin American Independence movements.webm 14.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/07 - Biological explanations of social behavior in animals - 03 - Types of animal communication.webm 14.2 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/10 - Humanity on earth - 02 - Collective learning.webm 14.2 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 06 - Collective learning.webm 14.2 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 01 - How do things move across a cell membrane_.webm 14.2 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 08 - Gustav Klimt, The Kiss.webm 14.2 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/03 - Average fixed, variable and marginal costs - 01 - Fixed, variable, and marginal cost.webm 14.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 13 - Treatment of Active TB.webm 14.2 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 13 - Treatment of Active TB.webm 14.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 10 - Acute complications of diabetes - Diabetic ketoacidosis.webm 14.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 11 - Acute complications of diabetes - Diabetic ketoacidosis.webm 14.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 10 - Acute complications of diabetes - Diabetic ketoacidosis.webm 14.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 11 - Acute complications of diabetes - Diabetic ketoacidosis.webm 14.2 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 02 - Manuscripts_ major works of art.webm 14.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 13 - Diabetic nephropathy - Clinical presentation and treatment.webm 14.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 14 - Diabetic nephropathy - Clinical presentation and treatment.webm 14.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 13 - Diabetic nephropathy - Clinical presentation and treatment.webm 14.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 14 - Diabetic nephropathy - Clinical presentation and treatment.webm 14.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 07 - Pietro Lorenzetti, Birth of the Virgin.webm 14.2 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 01 - Horizontally launched projectile.webm 14.2 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 01 - Horizontally launched projectile.webm 14.2 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 03 - What is cerebral palsy and what causes it_.webm 14.2 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 03 - What is cerebral palsy and what causes it_.webm 14.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 10 - Architecture and design/01 - Architecture and design - 03 - Gordon Bunshaft, Lever House.webm 14.2 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 05 - VSEPR for 3 electron clouds.webm 14.2 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 05 - VSEPR for 3 electron clouds.webm 14.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 05 - VSEPR for 3 electron clouds.webm 14.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 02 - Epiglottitis diagnosis and treatment.webm 14.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 02 - Epiglottitis diagnosis and treatment.webm 14.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 06 - Flow and perfusion.webm 14.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 06 - Flow and perfusion.webm 14.2 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 02 - Keq intuition.webm 14.2 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/01 - Equilibrium constant - 02 - Keq intuition.webm 14.2 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/03 - Ottonian - 01 - Bronze doors, Saint Michael's, Hildesheim, commissioned by Bishop Bernward, 1015.webm 14.1 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 17 - IIT JEE differentiability and boundedness.webm 14.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 02 - Currency effect on trade.webm 14.1 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/01 - Introduction to cells - 01 - Scale of cells.webm 14.1 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/01 - Introduction to cells - 01 - Scale of cells.webm 14.1 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/02 - The South after the Civil War - 04 - Origins of Jim Crow - Compromise of 1877 and Plessy v. Ferguson.webm 14.1 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/02 - The South after the Civil War - 04 - Origins of Jim Crow - Compromise of 1877 and Plessy v. Ferguson.webm 14.1 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/04 - Spectrophotometry - 02 - Spectrophotometry example.webm 14.1 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/04 - Spectrophotometry - 02 - Spectrophotometry example.webm 14.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/06 - Late classical (4th century) - 02 - Lysippos, Farnese Hercules.webm 14.1 MB
Science & engineering/08 - Biology - 27 - Human biology/04 - Muscles - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.1 MB
Science & engineering/09 - AP Biology - 28 - Human biology/04 - Muscles - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.1 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.1 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 02 - Neuron resting potential mechanism.webm 14.1 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 03 - Neuron resting potential mechanism.webm 14.1 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 02 - Neuron resting potential mechanism.webm 14.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 03 - More on quantitative easing (and credit easing).webm 14.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 05 - Phase constant.webm 14.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 05 - Phase constant.webm 14.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 11 - Donatello, David.webm 14.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 03 - Wood, American Gothic.webm 14.1 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 09 - Electron configurations in the 3d orbitals.webm 14.1 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 09 - Electron configurations in the 3d orbitals.webm 14.1 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 14 - Electron configurations in the 3d orbitals.webm 14.1 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 05 - Diffraction grating.webm 14.0 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 05 - Diffraction grating.webm 14.0 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 07 - Diffraction grating.webm 14.0 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 02 - What are shading packets_.webm 14.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 14 - Diagnosing strokes with imaging CT, MRI, and Angiography.webm 14.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 14 - Diagnosing strokes with imaging CT, MRI, and Angiography.webm 14.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 09 - Donatello, Feast of Herod.webm 14.0 MB
Arts and humanities/01 - World history - 06 - The 20th century/01 - Beginning of World War I - 01 - Empires before World War I.webm 14.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 02 - Anatomy of the male reproductive system.webm 14.0 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 02 - Anatomy of the male reproductive system.webm 14.0 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 02 - Anatomy of the male reproductive system.webm 14.0 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/12 - Buddhism - 04 - Contextualization--Buddhism.webm 14.0 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 08 - Impact velocity from given height.webm 14.0 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 08 - Impact velocity from given height.webm 14.0 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/05 - Ancient India - 04 - Hinduism Introduction_ Core ideas of Brahman, Atman, Samsara and Moksha..webm 14.0 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 03 - Hinduism Introduction_ Core ideas of Brahman, Atman, Samsara and Moksha..webm 14.0 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/12 - Buddhism - 01 - Hinduism Introduction_ Core ideas of Brahman, Atman, Samsara and Moksha..webm 14.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 16 - Vaccines and the autism myth - part 2.webm 14.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 09 - Extranuclear inheritance 2.webm 14.0 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 05 - Sal teaches Grover about the electoral college.webm 14.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/06 - Muromachi period (1392–1573) - 04 - Muromachi to Momoyama period Negoro ware ewer.webm 14.0 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/03 - Empire of Alexander the Great - 01 - Philip of Macedon unifies Greece.webm 14.0 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 01 - De Broglie wavelength.webm 14.0 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 01 - De Broglie wavelength.webm 14.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/02 - Solutions to linear equations - 01 - Intro to the coordinate plane.webm 14.0 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 04 - Intro to the coordinate plane.webm 14.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 01 - A beginner's guide to 20th century art/01 - A beginner's guide to 20th century art - 02 - Art and context_ Monet's Cliff Walk at Pourville and Ma.webm 13.9 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 06 - Ivory panel with Archangel.webm 13.9 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 16 - Acid base titration example.webm 13.9 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 16 - Acid base titration example.webm 13.9 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 03 - B lymphocytes (B cells).webm 13.9 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 03 - B lymphocytes (B cells).webm 13.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 03 - B lymphocytes (B cells).webm 13.9 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 03 - B lymphocytes (B cells).webm 13.9 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 03 - B lymphocytes (B cells).webm 13.9 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 01 - Ionic, covalent, and metallic bonds.webm 13.9 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/01 - Types of chemical bonds - 01 - Ionic, covalent, and metallic bonds.webm 13.9 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/03 - Chemical bonds and reactions - 01 - Ionic, covalent, and metallic bonds.webm 13.9 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/03 - Chemical bonds and reactions - 01 - Ionic, covalent, and metallic bonds.webm 13.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 06 - Click n' stick base and batteries.webm 13.9 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 03 - Standing waves on strings.webm 13.9 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 03 - Standing waves on strings.webm 13.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/06 - Genetic mutations - 01 - An introduction to genetic mutations.webm 13.9 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/05 - European Union - 01 - Brexit and European Union primer.webm 13.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 11 - Two flu vaccines (TIV and LAIV).webm 13.9 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 05 - Total displacement for projectile.webm 13.9 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 05 - Total displacement for projectile.webm 13.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 02 - Sir John Everett Millais, Christ in the House of His Paren.webm 13.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 01 - Polykleitos, Doryphoros (Spear Bearer).webm 13.9 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/05 - Zach Kaplan - CEO of Inventables - 01 - Zach Kaplan - CEO of Inventables.webm 13.9 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 04 - Buffers and Henderson-Hasselbalch.webm 13.9 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 04 - Buffers and Henderson-Hasselbalch.webm 13.9 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/06 - Its vs. it's - 03 - BONUS_ History of the possessive apostrophe.webm 13.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 03 - Labor.webm 13.9 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 03 - Labor.webm 13.9 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 14 - Proton NMR practice 2.webm 13.9 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 14 - Proton NMR practice 2.webm 13.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/02 - Buddhist art and culture, an introduction - 03 - Bodh Gaya_ center of the Buddhist world.webm 13.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/03 - Buddhist art in South Asia - 02 - Bodh Gaya_ center of the Buddhist world.webm 13.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 14 - Antiarrhythmics.webm 13.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 14 - Antiarrhythmics.webm 13.9 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 06 - Bond enthalpy and enthalpy of reaction.webm 13.9 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 06 - Bond enthalpy and enthalpy of reaction.webm 13.9 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 01 - Aggregate demand.webm 13.8 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 07 - Debt loops rationale and effects.webm 13.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 07 - Understanding and building phylogenetic trees.webm 13.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 07 - Understanding and building phylogenetic trees.webm 13.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 02 - Giotto, The Ognissanti Madonna.webm 13.8 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 03 - More on Newton's first law of motion.webm 13.8 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 03 - More on Newton's first law of motion.webm 13.8 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 01 - More on Newton's first law of motion.webm 13.8 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 07 - What is tertiary syphilis_.webm 13.8 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 07 - What is tertiary syphilis_.webm 13.8 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/12 - Aztec (Mexica) - 05 - Feathered headdress.webm 13.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 07 - Mona Lisa.webm 13.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 03 - First law of thermodynamics.webm 13.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 15 - Paul Cézanne's approach to watercolor.webm 13.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/04 - Early classical - 04 - Artemision Zeus or Poseidon.webm 13.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 08 - Morisot, The Cradle.webm 13.8 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 05 - Experimental determination of rate laws.webm 13.8 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/01 - Reaction rates and rate laws - 05 - Experimental determination of rate laws.webm 13.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 03 - Experimental determination of rate laws.webm 13.8 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 04 - Stoichiometry example problem 1.webm 13.8 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/02 - Corporate taxation - 02 - Is limited liability or double taxation fair_.webm 13.8 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 04 - Introduction to the price-to-earnings ratio.webm 13.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/05 - Sculpture - 02 - Rodin, The Gates of Hell.webm 13.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 02 - Species.webm 13.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/03 - Speciation and evolutionary trees - 02 - Species.webm 13.8 MB
Science & engineering/08 - Biology - 05 - Macromolecules/02 - Carbohydrates - 03 - Hydrolysis.webm 13.8 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/02 - Carbohydrates - 03 - Hydrolysis.webm 13.8 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 05 - Work from expansion.webm 13.8 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 05 - Work from expansion.webm 13.8 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 08 - Work from expansion.webm 13.8 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/01 - Internal energy - 06 - Work from expansion.webm 13.8 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 07 - Slope-intercept form problems.webm 13.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/07 - Writing slope-intercept equations - 04 - Slope-intercept form problems.webm 13.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/07 - Writing slope-intercept equations - 04 - Slope-intercept form problems.webm 13.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/14 - Carbohydrate Metabolism - 06 - Pentose phosphate pathway.webm 13.7 MB
Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 04 - Fermat's little theorem.webm 13.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 03 - Aegean art/02 - Mycenaean - 02 - Mask of Agamemnon, Mycenae, c. 1550-1500 B.C.E..webm 13.7 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 04 - Trig challenge problem_ arithmetic progression.webm 13.7 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 01 - Trig challenge problem_ arithmetic progression.webm 13.7 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/09 - Beginnings of Christianity - 03 - Roman Empire and Christianity.webm 13.7 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/07 - The Great Schism - 01 - Roman Empire and Christianity.webm 13.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 14 - Colon, rectum, and anus.webm 13.7 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 14 - Colon, rectum, and anus.webm 13.7 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 14 - Colon, rectum, and anus.webm 13.7 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 06 - Monosubstituted cyclohexane.webm 13.7 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 06 - Monosubstituted cyclohexane.webm 13.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 03 - Saint Matthew from the Ebbo Gospel.webm 13.7 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 01 - The periodic table - classification of elements.webm 13.7 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/01 - Introduction to the periodic table - 01 - The periodic table - classification of elements.webm 13.7 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 02 - The periodic table - classification of elements.webm 13.7 MB
Science & engineering/08 - Biology - 05 - Macromolecules/03 - Lipids - 01 - Molecular structure of triglycerides (fats).webm 13.7 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/03 - Lipids - 01 - Molecular structure of triglycerides (fats).webm 13.7 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/03 - Breathing control - 03 - The respiratory center.webm 13.7 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 08 - The respiratory center.webm 13.7 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 08 - The respiratory center.webm 13.7 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/03 - Breathing Control - 03 - The respiratory center.webm 13.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/03 - Slope - 05 - Slope (more examples).webm 13.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/03 - Slope - 05 - Slope (more examples).webm 13.7 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 14 - Area of a circle intuition.webm 13.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 02 - Geometric_ Dipylon Amphora.webm 13.7 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 01 - Unemployment.webm 13.7 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 20 - ELI the ICE man.webm 13.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/07 - Van der Weyden - 02 - Van der Weyden, Crucifixion Triptych.webm 13.7 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 04 - Biodiversity flourishes in Phanerozoic eon.webm 13.7 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/02 - The diversification of life - 03 - Biodiversity flourishes in Phanerozoic eon.webm 13.7 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/02 - The diversification of life - 03 - Biodiversity flourishes in Phanerozoic eon.webm 13.7 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/09 - Pleural Effusion - 02 - Pleural effusion diagnosis and treatment.webm 13.7 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 02 - Pleural effusion diagnosis and treatment.webm 13.7 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 13 - Relating social theories to medicine.webm 13.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 12 - Victory (Nike) Adjusting Her Sandal, Temple of Athena Nike (Acropolis).webm 13.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 15 - Vaccines and the autism myth - part 1.webm 13.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 05 - Testosterone.webm 13.6 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 05 - Testosterone.webm 13.6 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 05 - Testosterone.webm 13.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 10 - Overview of Amino Acid Metabolism.webm 13.6 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 06 - Maxwell Boltzmann distribution.webm 13.6 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 06 - Maxwell Boltzmann distribution.webm 13.6 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 10 - Maxwell Boltzmann distribution.webm 13.6 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 05 - Maxwell Boltzmann distribution.webm 13.6 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 10 - Maxwell Boltzmann distribution.webm 13.6 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 05 - Maxwell Boltzmann distribution.webm 13.6 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/03 - Origins of Islam - 01 - Introduction to Islam.webm 13.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 17 - Monet, Rouen Cathedral Series.webm 13.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/06 - Late empire - 03 - The Colossus of Constantine.webm 13.6 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 08 - Question 3c_ 2015 AP Physics 1 free response.webm 13.6 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 08 - Question 3c_ 2015 AP Physics 1 free response.webm 13.6 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 02 - Radius of observable universe.webm 13.6 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/01 - Introduction to cellular respiration - 04 - Oxidation and reduction review from biological point-of-view.webm 13.6 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/01 - Introduction to cellular respiration - 04 - Oxidation and reduction review from biological point-of-view.webm 13.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 05 - Oxidation and reduction review from biological point-of-view.webm 13.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/01 - Circuit elements - 05 - Labeling voltages.webm 13.6 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/02 - Ions and compounds - 01 - Introduction to ions.webm 13.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 06 - Etruscan/01 - Etruscan - 02 - Sarcophagus of the Spouses (Rome).webm 13.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 13 - Dissociative shock.webm 13.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 13 - Dissociative shock.webm 13.6 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/02 - Nucleophilicity and basicity - 02 - Nucleophilicity vs. basicity.webm 13.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 04 - Dürer, the Large Piece of Turf.webm 13.6 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/05 - Two-step equations with decimals and fractions - 02 - Two-step equations with decimals and fractions.webm 13.6 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/07 - Absolute value - 02 - Interpreting absolute value as distance.webm 13.6 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 14 - Neurotransmitter anatomy.webm 13.6 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 17 - Neurotransmitter anatomy.webm 13.6 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/05 - Myeloproliferative disorders - 03 - What is essential thrombocythemia_.webm 13.6 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/05 - Myeloproliferative disorders - 03 - What is essential thrombocythemia_.webm 13.6 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 04 - Young's double slit problem solving.webm 13.5 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 04 - Young's double slit problem solving.webm 13.5 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 06 - Young's double slit problem solving.webm 13.5 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/02 - Mughal rule in India - 01 - Mughal rule in India.webm 13.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 07 - Managing cerebral palsy.webm 13.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 07 - Managing cerebral palsy.webm 13.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 06 - Getting Ea (arterial elastance) from the PV loop.webm 13.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 06 - Getting Ea (arterial elastance) from the PV loop.webm 13.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 06 - Biological basis of depression.webm 13.5 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 05 - Biological basis of depression.webm 13.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 06 - Biological basis of depression.webm 13.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/02 - Enzyme structure and function - 05 - Co-factors, co-enzymes, and vitamins.webm 13.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/14 - Carbohydrate Metabolism - 04 - Gluconeogenesis_ unique reactions.webm 13.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 15 - Sn1 vs Sn2_ Summary.webm 13.5 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 05 - Precession causing perihelion to happen later.webm 13.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 01 - Degas, The Bellelli Family.webm 13.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/05 - Blood vessels - 02 - Three types of capillaries.webm 13.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/05 - Blood vessels - 02 - Three types of capillaries.webm 13.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/01 - Introduction to stocks - 01 - What it means to buy a company's stock.webm 13.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 01 - What is iron deficiency_.webm 13.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 01 - What is iron deficiency_.webm 13.5 MB
Science & engineering/08 - Biology - 16 - Gene regulation/01 - Gene regulation in bacteria - 01 - Operons and gene regulation in bacteria.webm 13.5 MB
Science & engineering/09 - AP Biology - 17 - Gene regulation/01 - Gene regulation in bacteria - 01 - Operons and gene regulation in bacteria.webm 13.5 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 18 - Impedance.webm 13.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 09 - Giotto, The Entombment of Mary.webm 13.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 01 - Meet the heart!.webm 13.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 01 - Meet the heart!.webm 13.5 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 01 - Meet the heart!.webm 13.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 01 - Meet the heart!.webm 13.5 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 14 - Big takeaways from the Civil War.webm 13.5 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 14 - Big takeaways from the Civil War.webm 13.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 11 - Doug Fishbone_ Elmina.webm 13.5 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 08 - pH of salt solutions.webm 13.5 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 08 - pH of salt solutions.webm 13.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 10 - pH of salt solutions.webm 13.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 09 - Chapter 11_ Bankruptcy restructuring.webm 13.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/10 - Corporate bankruptcy - 02 - Chapter 11_ Bankruptcy restructuring.webm 13.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 16 - Acute treatment of stroke with medications.webm 13.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 16 - Acute treatment of stroke with medications.webm 13.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/11 - Medieval Japan - 02 - Shoguns, samurai and the Japanese Middle Ages.webm 13.5 MB
Test prep/02 - MCAT - 06 - Cells/11 - Embryology - 01 - Egg, sperm, and fertilization.webm 13.5 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 01 - Egg, sperm, and fertilization.webm 13.5 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 02 - Impulse and momentum dodgeball example.webm 13.5 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 02 - Impulse and momentum dodgeball example.webm 13.5 MB
Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/02 - Why parties in a cartel will cheat - 02 - Game theory of cheating firms.webm 13.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/08 - Giles Shih - President and CEO of BioResource International - 03 - Giles Shih - Making an idea into a business.webm 13.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 15 - Drug use prevention - school programming and protective factors.webm 13.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 15 - Drug use prevention - school programming and protective factors.webm 13.4 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/07 - Ancient and Imperial China - 01 - Zhou, Qin and Han Dynasties.webm 13.4 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 04 - The basal ganglia - The direct pathway.webm 13.4 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 05 - The basal ganglia - The direct pathway.webm 13.4 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 04 - The basal ganglia - The direct pathway.webm 13.4 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 05 - The basal ganglia - The direct pathway.webm 13.4 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 03 - Question 1c_ 2015 AP Physics 1 free response.webm 13.4 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 03 - Question 1c_ 2015 AP Physics 1 free response.webm 13.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 10 - Bailout 10_ Moral hazard.webm 13.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 11 - Bailout 10_ Moral hazard.webm 13.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 06 - Aortic stenosis and aortic regurgitation.webm 13.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 06 - Aortic stenosis and aortic regurgitation.webm 13.4 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 19 - Carnot efficiency 3_Proving that it is the most efficient.webm 13.4 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 19 - Carnot efficiency 3_Proving that it is the most efficient.webm 13.4 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 04 - Electron configurations 2.webm 13.4 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 04 - Electron configurations 2.webm 13.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/08 - Cardiomyopathy - 04 - Hypertrophic cardiomyopathy_ Pathophysiology and diagnosis.webm 13.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/09 - Cardiomyopathy - 04 - Hypertrophic cardiomyopathy_ Pathophysiology and diagnosis.webm 13.4 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 16 - Biological basis of parkinson's disease.webm 13.4 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 04 - An IPO.webm 13.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/08 - Van der Goes - 01 - Van der Goes, The Adoration of the Kings.webm 13.4 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/06 - France - 02 - Poussin, Landscape with St. John.webm 13.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/11 - Acyanotic heart diseases - 03 - What is Eisenmenger syndrome_.webm 13.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/06 - Acyanotic heart diseases - 03 - What is Eisenmenger syndrome_.webm 13.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/04 - Central Italy - 03 - Martini, Architectural Veduta.webm 13.4 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 03 - Vigée Le Brun, Self-Portrait with her Daughter, Julie.webm 13.4 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/12 - Throat conditions - 03 - Tonsillopharyngitis - Complications, diagnosis, and treatment.webm 13.4 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 03 - Tonsillopharyngitis - Complications, diagnosis, and treatment.webm 13.4 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 05 - P_E discussion.webm 13.4 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 03 - Mass defect and binding energy.webm 13.3 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 03 - Heat of formation.webm 13.3 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 03 - Heat of formation.webm 13.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 03 - Heat of formation.webm 13.3 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 06 - Resistivity and conductivity.webm 13.3 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 06 - Resistivity and conductivity.webm 13.3 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 05 - Resistivity and conductivity.webm 13.3 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 07 - Exponential decay formula proof (can skip, involves calculus).webm 13.3 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 07 - Exponential decay formula proof (can skip, involves calculus).webm 13.3 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 07 - Exponential decay formula proof (can skip, involves calculus).webm 13.3 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 09 - Exponential decay formula proof (can skip, involves calculus).webm 13.3 MB
Test prep/02 - MCAT - 06 - Cells/10 - Cellular development - 05 - Telomeres and cell senescence.webm 13.3 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Standard cell potentials - 04 - Spontaneity and redox reactions.webm 13.3 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/03 - Standard cell potentials - 04 - Spontaneity and redox reactions.webm 13.3 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 09 - Spontaneity and redox reactions.webm 13.3 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 02 - Books in medieval Europe/01 - Making the medieval book - 01 - Listening to the Medieval book.webm 13.3 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 06 - Central Africa/02 - Democratic Republic of the Congo - 01 - Female (pwo) mask (Chokwe peoples).webm 13.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 07 - Insulin and glucagon.webm 13.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/20 - Bioenergetics - 04 - Insulin and glucagon.webm 13.3 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/02 - The light-dependent reactions - 01 - Conceptual overview of light dependent reactions.webm 13.3 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/02 - The light-dependent reactions - 01 - Conceptual overview of light dependent reactions.webm 13.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/04 - England (Blake and Fuseli) - 01 - Fuseli, Titania and Bottom.webm 13.3 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 02 - Mass and weight clarification.webm 13.3 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 02 - Mass and weight clarification.webm 13.3 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/12 - Introduction to matrix inverses - 02 - Determining invertible matrices.webm 13.3 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 05 - Stoichiometry.webm 13.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 23 - Renoir, The Large Bathers.webm 13.3 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 04 - Scale of solar system.webm 13.3 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 06 - Central Africa/01 - Cameroon - 01 - Elephant Mask, Kuosi Society, Bamileke Peoples, Cameroon.webm 13.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 05 - Pair of Centaurs Fighting Cats of Prey from Hadrian's Villa, Tivoli.webm 13.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 06 - Pair of Centaurs Fighting Cats of Prey from Hadrian's Villa, Tivoli.webm 13.3 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 10 - AP US History long essay example 2.webm 13.3 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 10 - AP US History long essay example 2.webm 13.3 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/01 - Intro to photosynthesis - 03 - Photosynthesis.webm 13.3 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/01 - Intro to photosynthesis - 03 - Photosynthesis.webm 13.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 10 - Carbohydrate - Glycoside formation hydrolysis.webm 13.3 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 11 - Brainstem.webm 13.2 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 14 - Brainstem.webm 13.2 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 03 - The beauty of algebra.webm 13.2 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 10 - Diagnosing autism spectrum disorder.webm 13.2 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 11 - Diagnosing autism spectrum disorder.webm 13.2 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 10 - Diagnosing autism spectrum disorder.webm 13.2 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 11 - Diagnosing autism spectrum disorder.webm 13.2 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 07 - Work as area under curve.webm 13.2 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 07 - Work as area under curve.webm 13.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 11 - Acute complications of diabetes - Hyperosmolar hyperglycemic nonketotic state.webm 13.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 12 - Acute complications of diabetes - Hyperosmolar hyperglycemic nonketotic state.webm 13.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 11 - Acute complications of diabetes - Hyperosmolar hyperglycemic nonketotic state.webm 13.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 12 - Acute complications of diabetes - Hyperosmolar hyperglycemic nonketotic state.webm 13.2 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 08 - Jamestown - life and labor in the Chesapeake.webm 13.2 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 08 - Jamestown - life and labor in the Chesapeake.webm 13.2 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 04 - Formation of acetals.webm 13.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 07 - Formation of acetals.webm 13.2 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 13 - Banking 13_ Open market operations.webm 13.2 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/03 - DVD player - 03 - What is inside a DVD player_ (3 of 5).webm 13.2 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 01 - Van der Waals forces.webm 13.2 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 01 - Van der Waals forces.webm 13.2 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 05 - R,S system practice.webm 13.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 06 - R,S system practice.webm 13.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 02 - What is skin_ (Epidermis).webm 13.2 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 02 - What is skin_ (Epidermis).webm 13.2 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 02 - What is skin_ (Epidermis).webm 13.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 10 - Post stroke inflammation.webm 13.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 10 - Post stroke inflammation.webm 13.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 08 - HAART treatment for HIV - Who, what, why, when, and how.webm 13.2 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 08 - HAART treatment for HIV - Who, what, why, when, and how.webm 13.2 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/01 - 1. We are all storytellers - 03 - Your favorite stories.webm 13.2 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/06 - Electrolytic cells and electrolysis - 03 - Electrolysis of molten sodium chloride.webm 13.1 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/06 - Electrolytic cells and electrolysis - 03 - Electrolysis of molten sodium chloride.webm 13.1 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/01 - 1. We are all storytellers - 01 - Introduction to storytelling.webm 13.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 01 - Pontormo, The Entombment of Christ.webm 13.1 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/03 - Flanders - 04 - Rubens, Arrival (or Disembarkation) of Marie de Medici at Marseilles, Medici Cycle.webm 13.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 07 - Double Bohr effect.webm 13.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 07 - Double Bohr effect.webm 13.1 MB
Test prep/02 - MCAT - 06 - Cells/02 - Cell-cell interactions - 04 - G Protein Coupled Receptors.webm 13.1 MB
Test prep/02 - MCAT - 07 - Organ systems/05 - Biosignaling - 03 - G Protein Coupled Receptors.webm 13.1 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/04 - Biosignaling - 03 - G Protein Coupled Receptors.webm 13.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/01 - Intro to Euclidean geometry - 01 - Euclid as the father of geometry.webm 13.1 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 05 - Color contrast.webm 13.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/07 - Van der Weyden - 03 - Van der Weyden, Crucifixion, with the Virgin and Saint John.webm 13.1 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 07 - Molarity vs. osmolarity.webm 13.1 MB
Science & engineering/08 - Biology - 12 - Cell division/03 - Meiosis - 02 - Chromosomal crossover in meiosis I.webm 13.1 MB
Science & engineering/09 - AP Biology - 13 - Cell division/03 - Meiosis - 02 - Chromosomal crossover in meiosis I.webm 13.1 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 02 - Groups of the periodic table.webm 13.1 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/01 - Introduction to the periodic table - 02 - Groups of the periodic table.webm 13.1 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/02 - Electron shells and orbitals - 04 - Groups of the periodic table.webm 13.1 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/02 - Electron shells and orbitals - 04 - Groups of the periodic table.webm 13.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 09 - UTIs in pregnancy.webm 13.1 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 09 - UTIs in pregnancy.webm 13.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 07 - Variable block (counter).webm 13.1 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 08 - Error correction.webm 13.1 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/07 - Synthesis using alkynes - 01 - Synthesis using alkynes.webm 13.1 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 08 - Hans Haacke, Seurat's 'Les Poseuses' (small version).webm 13.1 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 04 - Finding torque for angled forces.webm 13.1 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 04 - Finding torque for angled forces.webm 13.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 07 - Kawasaki disease_ diagnosis and treatment.webm 13.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 07 - Kawasaki disease_ diagnosis and treatment.webm 13.1 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 02 - Beginnings of life.webm 13.1 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/01 - Formation of Earth and early life - 02 - Beginnings of life.webm 13.1 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/01 - Formation of Earth and early life - 02 - Beginnings of life.webm 13.1 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 05 - Estate tax introduction.webm 13.1 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/05 - Focus and directrix of a parabola - 03 - Focus and directrix of a parabola from equation.webm 13.1 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/05 - Focus and directrix of a parabola - 03 - Focus and directrix of a parabola from equation.webm 13.1 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/07 - Focus and directrix of a parabola - 03 - Focus and directrix of a parabola from equation.webm 13.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/06 - Genetic mutations - 04 - Mutagens and carcinogens.webm 13.1 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 04 - What is an equivalent_.webm 13.1 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/14 - Yuan dynasty (1271-1368) - 02 - The David Vases.webm 13.1 MB
Arts and humanities/04 - Art history/02 - Prehistoric art in Europe and West Asia - 02 - Neolithic art/01 - Neolithic art - 01 - Bushel with ibex motifs.webm 13.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 04 - Bailout 4_ Mark-to-model vs. mark-to-market.webm 13.1 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 05 - Bailout 4_ Mark-to-model vs. mark-to-market.webm 13.1 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 04 - IR spectra for hydrocarbons.webm 13.1 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 04 - IR spectra for hydrocarbons.webm 13.1 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 02 - Foundations of comprehension.webm 13.1 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 07 - Buffer capacity.webm 13.1 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 07 - Buffer capacity.webm 13.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 09 - Oxygen content.webm 13.1 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 09 - Oxygen content.webm 13.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 07 - Why doesn't the heart rip_.webm 13.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 01 - Why doesn't the heart rip_.webm 13.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 12 - Why doesn't the heart rip_.webm 13.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 07 - Why doesn't the heart rip_.webm 13.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 01 - Why doesn't the heart rip_.webm 13.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 12 - Why doesn't the heart rip_.webm 13.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 06 - Angiotensin 2 raises blood pressure.webm 13.0 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 04 - Angiotensin 2 raises blood pressure.webm 13.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 06 - Angiotensin 2 raises blood pressure.webm 13.0 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 04 - Angiotensin 2 raises blood pressure.webm 13.0 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 09 - AP US History long essay example 1.webm 13.0 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 09 - AP US History long essay example 1.webm 13.0 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 05 - Doppler effect for a moving observer.webm 13.0 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 05 - Doppler effect for a moving observer.webm 13.0 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 14 - Doppler effect for a moving observer.webm 13.0 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/07 - Nigeria - 03 - Olowe of Ise, Veranda Post (Yoruba people).webm 13.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/01 - Art and the French state - 01 - Garnier, Paris Opéra.webm 13.0 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 08 - IIT JEE algebraic manipulation.webm 13.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 05 - What is sinusitis_.webm 13.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 05 - What is sinusitis_.webm 13.0 MB
Test prep/02 - MCAT - 06 - Cells/10 - Cellular development - 03 - Mitochondria, apoptosis, and oxidative stress.webm 13.0 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 06 - Formation of imines and enamines.webm 13.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 09 - Formation of imines and enamines.webm 13.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 05 - Graphs of rational functions_ zeros.webm 13.0 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 05 - Graphs of rational functions_ zeros.webm 13.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 11 - Titian, Pieta.webm 13.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 12 - Common stroke signs and symptoms.webm 13.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 12 - Common stroke signs and symptoms.webm 13.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/01 - A beginner's guide to Renaissance Florence - 03 - Linear Perspective_ Brunelleschi's Experimen.webm 13.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/06 - Germany - 02 - Friedrich, Abbey among Oak Trees.webm 13.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 15 - Monet, Cliff Walk at Pourville.webm 13.0 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/03 - Temperature and state changes in water - 04 - Specific heat of water.webm 13.0 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/03 - Temperature and state changes in water - 04 - Specific heat of water.webm 13.0 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 11 - Sn2 mechanism_ kinetics and substrate.webm 13.0 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 06 - Diagnosing cerebral palsy.webm 13.0 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 06 - Diagnosing cerebral palsy.webm 13.0 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/03 - Quantum numbers and orbitals - 02 - Quantum numbers.webm 13.0 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/03 - Quantum numbers and orbitals - 02 - Quantum numbers.webm 13.0 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/03 - Quantum numbers and orbitals - 02 - Quantum numbers.webm 13.0 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 09 - Quantum numbers.webm 13.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 14 - Jacob Monod lac operon.webm 13.0 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/07 - Inscribed angles - 02 - Inscribed angle theorem proof.webm 13.0 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/07 - Inscribed angles - 02 - Inscribed angle theorem proof.webm 13.0 MB
Arts and humanities/02 - US history - 04 - The road to revolution (1754-1800)/02 - Creating a nation - 02 - The Constitutional Convention.webm 13.0 MB
Arts and humanities/03 - AP US History - 04 - Period 3_ 1754-1800/02 - Creating a nation - 02 - The Constitutional Convention.webm 13.0 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/01 - Introduction to economics - 01 - Introduction to economics.webm 13.0 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/01 - Introduction to economics - 01 - Introduction to economics.webm 13.0 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 01 - sp3 hybridized orbitals and sigma bonds.webm 13.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 17 - Rachel Ruysch, Fruit and Insects.webm 13.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 05 - How HIV kills so many CD4 T cells.webm 12.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 05 - How HIV kills so many CD4 T cells.webm 12.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 09 - Flu vaccine efficacy.webm 12.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/06 - Genetic mutations - 03 - The causes of genetic mutations.webm 12.9 MB
Science & engineering/08 - Biology - 28 - Plant biology/01 - Plant responses to light - 02 - 2015 AP Biology free response 5.webm 12.9 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 07 - 2015 AP Biology free response 5.webm 12.9 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 07 - 2015 AP Biology free response 5.webm 12.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 09 - James Turrell, Skyscape, The Way of Color.webm 12.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 05 - Geithner plan 5.webm 12.9 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 16 - Systemic thinking about cancer.webm 12.9 MB
Test prep/02 - MCAT - 06 - Cells/08 - Viruses - 01 - Virus structure and classification.webm 12.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 03 - Van Orley and de Pannemaker, The Last Supper.webm 12.9 MB
Science & engineering/08 - Biology - 11 - Cell signaling/01 - How cells signal to each other - 02 - Example of a signal transduction pathway.webm 12.9 MB
Science & engineering/09 - AP Biology - 12 - Cell signaling/01 - How cells signal to each other - 02 - Example of a signal transduction pathway.webm 12.9 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/08 - Taste (gustation) and smell (olfaction) - 01 - Olfaction - structure and function.webm 12.9 MB
Test prep/02 - MCAT - 10 - Processing the environment/05 - Taste (gustation) and smell (olfaction) - 02 - Olfaction - structure and function.webm 12.9 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Free radical reaction - 01 - Free radical reactions.webm 12.9 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 05 - Chivalry in the Middle Ages.webm 12.9 MB
Science & engineering/01 - Physics - 15 - Geometric optics/02 - Mirrors - 06 - Mirror equation example problems.webm 12.9 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/02 - Mirrors - 06 - Mirror equation example problems.webm 12.9 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 11 - Biological constraints on learning.webm 12.9 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 04 - Spanish colonies in the Americas/02 - Viceroyalty of New Spain - 03 - Virgin of Guadalupe.webm 12.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 02 - SPDT switch.webm 12.9 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 02 - Cupcake economics 2.webm 12.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 04 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1.webm 12.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 04 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1.webm 12.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 18 - Banking 18_ Big picture discussion.webm 12.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 11 - Obstructive shock.webm 12.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 11 - Obstructive shock.webm 12.9 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 06 - Equity vs. debt.webm 12.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/08 - Northern Wei dynasty (386 - 534) - 01 - Longmen Grottoes (UNESCO_NHK).webm 12.9 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/03 - Quadratic equations_ completing the square - 01 - Completing the square.webm 12.9 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/06 - Completing the square - 01 - Completing the square.webm 12.9 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/15 - Solving equations with inverse matrices - 03 - Matrix word problem_ vector combination.webm 12.9 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/04 - Linear models word problems - 01 - Linear models word problem_ book.webm 12.9 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/04 - Linear models word problems - 01 - Linear models word problem_ book.webm 12.9 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 10 - VSEPR for 6 electron clouds.webm 12.9 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 10 - VSEPR for 6 electron clouds.webm 12.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 09 - VSEPR for 6 electron clouds.webm 12.9 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 07 - Color.webm 12.8 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/10 - Area of inscribed triangle - 03 - Area of inscribed equilateral triangle.webm 12.8 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/10 - Area of inscribed triangle - 03 - Area of inscribed equilateral triangle.webm 12.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 04 - Tetralogy of fallot.webm 12.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 04 - Tetralogy of fallot.webm 12.8 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 05 - Chilling water problem.webm 12.8 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 05 - Chilling water problem.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 05 - Chilling water problem.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/01 - Internal energy - 05 - Chilling water problem.webm 12.8 MB
Science & engineering/08 - Biology - 17 - Biotechnology/02 - DNA cloning - 01 - DNA cloning and recombinant DNA.webm 12.8 MB
Science & engineering/09 - AP Biology - 18 - Biotechnology/02 - DNA cloning - 01 - DNA cloning and recombinant DNA.webm 12.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 04 - DNA cloning and recombinant DNA.webm 12.8 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/03 - DVD player - 05 - What is inside a DVD player_ (5 of 5).webm 12.8 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 07 - Solubility of organic compounds.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 07 - Solubility of organic compounds.webm 12.8 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/04 - Electronegativity - 05 - Solubility of organic compounds.webm 12.8 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 02 - Gibbs free energy example.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 02 - Gibbs free energy example.webm 12.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 06 - Gibbs free energy example.webm 12.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/14 - Bronchiolitis - 03 - Bronchiolitis diagnosis.webm 12.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 03 - Bronchiolitis diagnosis.webm 12.8 MB
Science & engineering/08 - Biology - 04 - Properties of carbon/02 - Hydrocarbon structures and functional groups - 03 - Functional groups.webm 12.8 MB
Science & engineering/09 - AP Biology - 05 - Properties of carbon/02 - Hydrocarbon structures and functional groups - 03 - Functional groups.webm 12.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 11 - New perspective on the heart.webm 12.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 11 - New perspective on the heart.webm 12.8 MB
Test prep/02 - MCAT - 06 - Cells/06 - Cytoskeleton - 03 - Microtubules.webm 12.8 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 07 - Derivation of beat frequency formula.webm 12.8 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 07 - Derivation of beat frequency formula.webm 12.8 MB
Arts and humanities/01 - World history - 04 - 1450 - 1750 Renaissance and Reformation/01 - Scientific Revolution and Enlightenment - 01 - The Scientific Revolution and the Age of Enlightenment _ World History _ Khan Aca.webm 12.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/12 - Throat conditions - 01 - Tonsillitis.webm 12.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 01 - Tonsillitis.webm 12.8 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 03 - Common ion effect and buffers.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 03 - Common ion effect and buffers.webm 12.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 11 - Common ion effect and buffers.webm 12.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 08 - Healing after a heart attack (myocardial infarction).webm 12.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 08 - Healing after a heart attack (myocardial infarction).webm 12.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 01 - Pre-Raphaelites_ Curator's choice - Millais's Isabella.webm 12.8 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/07 - Malaria - 01 - The basics of malaria.webm 12.8 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/04 - Malaria - 01 - The basics of malaria.webm 12.8 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 06 - What is syphilis_.webm 12.8 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 06 - What is syphilis_.webm 12.8 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 05 - Source encoding.webm 12.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/05 - England (Constable, Turner, Martin and Nash) - 01 - Constable, View on the Stour near Dedham.webm 12.8 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 03 - sp² hybridization.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/03 - Hybridization and hybrid orbitals - 03 - sp² hybridization.webm 12.8 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 05 - sp² hybridization.webm 12.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 06 - sp² hybridization.webm 12.8 MB
Math by grade/09 - 8th - 01 - Numbers and operations/05 - Exponent properties intro - 01 - Exponent properties with products.webm 12.8 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/01 - Intro to polynomials - 01 - Polynomials intro.webm 12.8 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/01 - Intro to polynomials - 01 - Polynomials intro.webm 12.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 09 - Cassatt, In the Loge.webm 12.8 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 09 - Balancing redox reactions in acid.webm 12.8 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 09 - Balancing redox reactions in acid.webm 12.8 MB
Test prep/02 - MCAT - 08 - Physical processes/30 - Redox reactions - 03 - Balancing redox reactions in acid.webm 12.8 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/10 - Song China - 02 - Neo-Confucianism and Zhu Xi.webm 12.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/13 - Carbohydrates - 03 - Carbohydrates - Cyclic structures and anomers.webm 12.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 09 - Carbohydrates - Cyclic structures and anomers.webm 12.8 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 01 - Flux and magnetic flux.webm 12.8 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 01 - Flux and magnetic flux.webm 12.8 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 21 - Impedance of simple networks.webm 12.8 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/03 - Free energy - 01 - Gibbs free energy and spontaneous reactions.webm 12.7 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/03 - Free energy - 01 - Gibbs free energy and spontaneous reactions.webm 12.7 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 05 - Conformational analysis of propane.webm 12.7 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 05 - Conformational analysis of propane.webm 12.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 11 - Managing Parkinson's disease with surgery.webm 12.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 12 - Managing Parkinson's disease with surgery.webm 12.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 11 - Managing Parkinson's disease with surgery.webm 12.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 12 - Managing Parkinson's disease with surgery.webm 12.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 05 - Rothko, No. 210_No. 211 (Orange).webm 12.7 MB
Test prep/02 - MCAT - 08 - Physical processes/12 - Kinetic molecular theory of gases - 01 - Boltzmann's constant.webm 12.7 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/04 - Digital camera - 02 - What is inside a digital camera_ (2 of 2).webm 12.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/09 - Rise of Mussolini and Fascism - 02 - Mussolini becomes Prime Minister.webm 12.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 07 - Effects of axon diameter and myelination.webm 12.7 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 07 - Effects of axon diameter and myelination.webm 12.7 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 07 - Effects of axon diameter and myelination.webm 12.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 15 - Motor unit.webm 12.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 15 - Motor unit.webm 12.7 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 03 - Motor unit.webm 12.7 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 03 - Motor unit.webm 12.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 09 - Self vs. non-self immunity.webm 12.7 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 09 - Self vs. non-self immunity.webm 12.7 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 09 - Self vs. non-self immunity.webm 12.7 MB
Science & engineering/08 - Biology - 05 - Macromolecules/02 - Carbohydrates - 02 - Dehydration synthesis or a condensation reaction.webm 12.7 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/02 - Carbohydrates - 02 - Dehydration synthesis or a condensation reaction.webm 12.7 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/04 - Spectrophotometry - 01 - Spectrophotometry introduction.webm 12.7 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/04 - Spectrophotometry - 01 - Spectrophotometry introduction.webm 12.7 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 07 - Hawaiian islands formation.webm 12.7 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 05 - Hindu scripture overview.webm 12.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 17 - Muscle stretch reflex.webm 12.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 17 - Muscle stretch reflex.webm 12.7 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 05 - Muscle stretch reflex.webm 12.7 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 05 - Muscle stretch reflex.webm 12.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 04 - Geithner plan 4.webm 12.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 05 - Richard Serra, 'Intersection II'.webm 12.7 MB
Test prep/02 - MCAT - 11 - Behavior/03 - Behavior and genetics - 06 - Adaptive value of behavioral traits.webm 12.7 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/01 - The Gilded Age - 03 - Misunderstanding evolution_ a biologist's perspective on Social Darwinism.webm 12.7 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/01 - The Gilded Age - 03 - Misunderstanding evolution_ a biologist's perspective on Social Darwinism.webm 12.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 06 - Apollonius, Seated Boxer.webm 12.7 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/02 - Retirement accounts_ IRAs and 401ks - 01 - Traditional IRAs.webm 12.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/11 - Carbohydrates - 02 - Carbohydrates - cyclic structures and anomers.webm 12.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/15 - Ming dynasty (1368–1644) - 01 - The Forbidden City.webm 12.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 01 - Intro to neurodevelopment milestones.webm 12.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 01 - Intro to neurodevelopment milestones.webm 12.7 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/02 - Triangle congruence - 02 - Triangle congruence postulates_criteria.webm 12.7 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 11 - Calculating the equilibrium constant from the standard cell potential edited.webm 12.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 07 - Covalent modifications to enzymes.webm 12.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 10 - Managing Parkinson's disease with medications.webm 12.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 11 - Managing Parkinson's disease with medications.webm 12.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 10 - Managing Parkinson's disease with medications.webm 12.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 11 - Managing Parkinson's disease with medications.webm 12.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 02 - Geithner plan 2.webm 12.7 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/08 - Pneumonia - 01 - What is pneumonia_.webm 12.7 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 01 - What is pneumonia_.webm 12.7 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Beth Schmidt - Founder of Wishbone.org - 03 - An invitation for innovation.webm 12.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 15 - Preterm labor.webm 12.7 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 15 - Preterm labor.webm 12.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/06 - Nomenclature and preparation of epoxides - 03 - Preparation of epoxides_ Stereochemistry.webm 12.7 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 07 - Time space tradeoff.webm 12.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 07 - Electrical system of the heart.webm 12.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 08 - Electrical system of the heart.webm 12.7 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 01 - Inclined plane force components.webm 12.6 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 01 - Inclined plane force components.webm 12.6 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 01 - Inclined plane force components.webm 12.6 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 02 - Stoichiometry example problem 1.webm 12.6 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 03 - Stoichiometry example problem 1.webm 12.6 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/02 - Stoichiometry - 02 - Stoichiometry example problem 1.webm 12.6 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/02 - Stoichiometry - 03 - Stoichiometry example problem 1.webm 12.6 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/02 - The light-dependent reactions - 02 - Light dependent reactions actors.webm 12.6 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/02 - The light-dependent reactions - 02 - Light dependent reactions actors.webm 12.6 MB
Arts and humanities/04 - Art history/14 - Art of Oceania - 02 - Polynesia/01 - Polynesia - 01 - Fly Whisk (Tahiri), Austral Islands.webm 12.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/04 - Heian period (794–1185) - 01 - The Buddhist guardian deity_ Fudo Myoo.webm 12.6 MB
Science & engineering/07 - Organic chemistry - 08 - Conjugated systems and pericyclic reactions/01 - Diels-Alder reaction - 03 - Diels-Alder_ stereochemistry of diene.webm 12.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 13 - Framing 'Christina's World' by Andrew Wyeth.webm 12.6 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/04 - Labor and marginal product revenue - 01 - A firm's marginal product revenue curve.webm 12.6 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/01 - Creating and interpreting scatterplots - 04 - Correlation and causality.webm 12.6 MB
Math by grade/10 - High school/03 - Mathematics III - 09 - Study Design/02 - Observational studies and experiments - 02 - Correlation and causality.webm 12.6 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/01 - Creating and interpreting scatterplots - 04 - Correlation and causality.webm 12.6 MB
Math by grade/10 - High school/07 - High school statistics - 04 - Study design/02 - Observational studies and experiments - 02 - Correlation and causality.webm 12.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/01 - A beginner's guide to the High Renaissance - 01 - Toward the high Renaissance_ Verrocchio a.webm 12.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/03 - Republic - 03 - Capitoline Brutus.webm 12.6 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/09 - Nerve regulation of the heart - 03 - Increasing ventricular contractility - inotropic effect.webm 12.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/09 - Nerve regulation of the heart - 03 - Increasing ventricular contractility - inotropic effect.webm 12.6 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 01 - Types of pulmonary diseases.webm 12.6 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 01 - Types of pulmonary diseases.webm 12.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 14 - Cezanne, The Large Bathers.webm 12.6 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 01 - Oxidation and reduction.webm 12.6 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 01 - Oxidation and reduction.webm 12.6 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 03 - Projectile at an angle.webm 12.6 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 03 - Projectile at an angle.webm 12.6 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 01 - Triboelectric effect and charge.webm 12.6 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 01 - Triboelectric effect and charge.webm 12.6 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 01 - Triboelectric effect and charge.webm 12.6 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 01 - Triboelectric effect and charge.webm 12.6 MB
Science & engineering/08 - Biology - 05 - Macromolecules/03 - Lipids - 02 - Saturated fats, unsaturated fats, and trans fats.webm 12.6 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/03 - Lipids - 02 - Saturated fats, unsaturated fats, and trans fats.webm 12.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 06 - Myocarditis and pericarditis treatment.webm 12.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/10 - Myocarditis and pericarditis - 06 - Myocarditis and pericarditis treatment.webm 12.6 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/17 - Survey of second-wave civilizations - 02 - Ancient Greeks and Persians.webm 12.6 MB
Science & engineering/08 - Biology - 23 - Ecology/03 - Population growth and regulation - 01 - Exponential and logistic growth in populations.webm 12.6 MB
Science & engineering/09 - AP Biology - 24 - Ecology/03 - Population growth and regulation - 01 - Exponential and logistic growth in populations.webm 12.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 05 - Giacometti, The Palace at 4am.webm 12.6 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 03 - Counting valence electrons for main group elements.webm 12.6 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/01 - Introduction to the periodic table - 03 - Counting valence electrons for main group elements.webm 12.6 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 04 - Counting valence electrons for main group elements.webm 12.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/02 - Enzyme structure and function - 02 - Enzymes and activation energy.webm 12.6 MB
Math by grade/08 - 7th - 07 - Statistics and probability/01 - Basic probability - 03 - Simple probability_ non-blue marble.webm 12.6 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 03 - Simple probability_ non-blue marble.webm 12.6 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 03 - Simple probability_ non-blue marble.webm 12.6 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/01 - Basic probability - 03 - Simple probability_ non-blue marble.webm 12.6 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Calvin Carter - Founder of Bottle Rocket Apps - 03 - The excitement of making something.webm 12.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 05 - Bailout 5_ Paying off the debt.webm 12.6 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 06 - Bailout 5_ Paying off the debt.webm 12.6 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 05 - Period trend for ionization energy.webm 12.6 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 06 - Period trend for ionization energy.webm 12.6 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 07 - Period trend for ionization energy.webm 12.6 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 06 - Inflation and deflation 3_ Obama stimulus plan.webm 12.5 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 02 - Early period/01 - Early period - 01 - Kairouan (from UNESCO).webm 12.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 08 - What is afterload_.webm 12.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 02 - What is afterload_.webm 12.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 08 - What is afterload_.webm 12.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 02 - What is afterload_.webm 12.5 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 02 - Double Newman diagram for methylcyclohexane.webm 12.5 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 02 - Double Newman diagram for methylcyclohexane.webm 12.5 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/06 - Sound (Audition) - 01 - Auditory structure - part 1.webm 12.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/03 - Sound (Audition) - 01 - Auditory structure - part 1.webm 12.5 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/01 - Counting electrons - 06 - Organic oxidation-reduction reactions.webm 12.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 05 - How does lung volume change_.webm 12.5 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 05 - How does lung volume change_.webm 12.5 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 03 - How does lung volume change_.webm 12.5 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 03 - How does lung volume change_.webm 12.5 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 04 - Using the Arrhenius equation.webm 12.5 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 04 - Using the Arrhenius equation.webm 12.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 16 - Using the Arrhenius equation.webm 12.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 04 - Adoration of the Magi.webm 12.5 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 12 - Precocious puberty.webm 12.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 01 - Regulation of blood pressure with baroreceptors.webm 12.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 01 - Regulation of blood pressure with baroreceptors.webm 12.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 10 - Fetal structures in an adult.webm 12.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 10 - Fetal structures in an adult.webm 12.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 06 - Hadrian, Building the wall.webm 12.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 07 - Hadrian, Building the wall.webm 12.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 16 - C-section.webm 12.5 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 16 - C-section.webm 12.5 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/02 - Non-ideal gas behavior - 01 - Real vs ideal gas behavior.webm 12.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 21 - Cerebral cortex.webm 12.5 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 21 - Cerebral cortex.webm 12.5 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 13 - Cerebral cortex.webm 12.5 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 16 - Cerebral cortex.webm 12.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 05 - Activating angiotensin 2.webm 12.5 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 03 - Activating angiotensin 2.webm 12.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 05 - Activating angiotensin 2.webm 12.5 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 03 - Activating angiotensin 2.webm 12.5 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/04 - Tlatilco - 01 - Tlatilco figurines.webm 12.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 05 - Polio vaccinations.webm 12.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 06 - Polio vaccinations.webm 12.5 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 05 - Polio vaccinations.webm 12.5 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 06 - Polio vaccinations.webm 12.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/06 - Persian - 02 - Capital of a column from the audience hall of the palace of Darius I, Susa.webm 12.5 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 17 - Electrolysis of molten sodium chloride edited.webm 12.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 04 - Definition of pH.webm 12.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 08 - Social influences.webm 12.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/03 - Attributing behavior to persons or situations - 03 - Social influences.webm 12.5 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/02 - GDP and the circular flow of income and expenditures - 02 - Parsing gross domestic product.webm 12.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 14 - Bailout 14_ Possible solution.webm 12.5 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 15 - Bailout 14_ Possible solution.webm 12.5 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/02 - Centripetal forces - 02 - Yo-yo in vertical circle example.webm 12.5 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/02 - Centripetal forces - 02 - Yo-yo in vertical circle example.webm 12.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 08 - Mantoux test (aka. PPD or TST).webm 12.5 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 08 - Mantoux test (aka. PPD or TST).webm 12.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 01 - An introduction to enzyme kinetics.webm 12.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/17 - Enzymes - 04 - An introduction to enzyme kinetics.webm 12.5 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/06 - Factoring quadratics by grouping - 01 - Intro to grouping.webm 12.5 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 03 - Intro to grouping.webm 12.5 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 03 - Ozone layer and eukaryotes show up in the Proterozoic eon.webm 12.5 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/02 - The diversification of life - 01 - Ozone layer and eukaryotes show up in the Proterozoic eon.webm 12.5 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/02 - The diversification of life - 01 - Ozone layer and eukaryotes show up in the Proterozoic eon.webm 12.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 12 - Hrair Sarkissian_ Syria's 'Execution Squares'.webm 12.5 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 06 - Question 3a_ 2015 AP Physics 1 free response.webm 12.5 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 06 - Question 3a_ 2015 AP Physics 1 free response.webm 12.5 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 06 - Jamestown - John Smith and Pocahontas.webm 12.5 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 06 - Jamestown - John Smith and Pocahontas.webm 12.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/14 - LaKeshia Grant - CEO and Founder of Virtual Enterprise Architects - 02 - Business and Family.webm 12.5 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 06 - Strong acids and strong bases.webm 12.5 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 06 - Strong acids and strong bases.webm 12.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 05 - Strong acids and strong bases.webm 12.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 01 - Developing Value for the Product.webm 12.5 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 02 - Multiple sclerosis signs and symptoms.webm 12.5 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 02 - Multiple sclerosis signs and symptoms.webm 12.5 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 03 - Multiple sclerosis signs and symptoms.webm 12.5 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 04 - Oil paint in Venice.webm 12.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 01 - Oil paint in Venice.webm 12.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/05 - Zach Kaplan - CEO of Inventables - 02 - Zach Kaplan - Digital manufacturing revolution.webm 12.5 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 07 - Attitude influences behavior.webm 12.5 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 02 - Attitude influences behavior.webm 12.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 09 - Egyptian blue on the Parthenon sculptures.webm 12.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 02 - Neurodevelopmental disorders_ Sufficient and necessary causes.webm 12.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 02 - Neurodevelopmental disorders_ Sufficient and necessary causes.webm 12.5 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 06 - The basal ganglia - Details of the indirect pathway.webm 12.4 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 07 - The basal ganglia - Details of the indirect pathway.webm 12.4 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 07 - The basal ganglia - Details of the indirect pathway.webm 12.4 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 08 - The basal ganglia - Details of the indirect pathway.webm 12.4 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/04 - Colon diseases - 02 - Hyperplasia in colon tissue.webm 12.4 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 05 - Boyle's law.webm 12.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Beth Schmidt - Founder of Wishbone.org - 01 - Students wishes come true.webm 12.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 02 - Pregnancy physiology I.webm 12.4 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 02 - Pregnancy physiology I.webm 12.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 01 - Barberini Faun.webm 12.4 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 10 - Tonicity - comparing 2 solutions.webm 12.4 MB
Test prep/02 - MCAT - 08 - Physical processes/16 - Magnetism - 04 - Magnetism - Part 4.webm 12.4 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 10 - Metallic nature.webm 12.4 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 05 - Metallic nature.webm 12.4 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 11 - Metallic nature.webm 12.4 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/01 - Types of chemical bonds - 05 - Metallic nature.webm 12.4 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 01 - Introduction to virtual cameras.webm 12.4 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 36 - Distance between planes.webm 12.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 11 - Birthday probability problem.webm 12.4 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 02 - Second Law of Thermodynamics.webm 12.4 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/03 - Entropy - 02 - Second Law of Thermodynamics.webm 12.4 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/02 - Laws of thermodynamics - 04 - Second Law of Thermodynamics.webm 12.4 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/02 - Laws of thermodynamics - 04 - Second Law of Thermodynamics.webm 12.4 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 01 - E1 mechanism_ kinetics and substrate.webm 12.4 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 05 - Unlocking an 18th-century French mechanical table.webm 12.4 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 03 - Introduction to solubility and solubility product constant.webm 12.4 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 03 - Introduction to solubility and solubility product constant.webm 12.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 03 - Introduction to solubility and solubility product constant.webm 12.4 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/07 - Ancient Americas - 01 - Pre-contact Americas.webm 12.4 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/01 - Before contact - 01 - Pre-contact Americas.webm 12.4 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/01 - Before contact - 01 - Pre-contact Americas.webm 12.4 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 02 - Electric field direction.webm 12.4 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 02 - Electric field direction.webm 12.4 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 02 - Electric field direction.webm 12.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 03 - Braque, The Viaduct at L'Estaque.webm 12.4 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 02 - Intro to the Pythagorean theorem 2.webm 12.4 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 02 - Intro to the Pythagorean theorem 2.webm 12.4 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/05 - Keynesian thinking - 01 - Keynesian economics.webm 12.4 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/03 - Introduction to mechanical waves - 01 - Introduction to waves.webm 12.4 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/03 - Introduction to mechanical waves - 01 - Introduction to waves.webm 12.4 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 01 - Effects overview.webm 12.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 01 - A beginner's guide to contemporary art/01 - A beginner's guide to contemporary art - 01 - Damien Hirst, The Physical Impossibility of Death in the.webm 12.4 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/04 - Sn1_Sn2_E1_E2 - 01 - Comparing E2, E1, Sn2, Sn1 reactions.webm 12.4 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 05 - Sine of time.webm 12.4 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/01 - The plasma membrane - 01 - Fluid mosaic model of cell membranes.webm 12.4 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/01 - The plasma membrane - 01 - Fluid mosaic model of cell membranes.webm 12.4 MB
Science & engineering/01 - Physics - 12 - Circuits/02 - Circuits with capacitors - 02 - Capacitance.webm 12.4 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/02 - Circuits with capacitors - 02 - Capacitance.webm 12.4 MB
Test prep/02 - MCAT - 08 - Physical processes/15 - Capacitors - 02 - Capacitance.webm 12.4 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 04 - Would a brick or feather fall faster_.webm 12.4 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 04 - Would a brick or feather fall faster_.webm 12.4 MB
Science & engineering/07 - Organic chemistry - 08 - Conjugated systems and pericyclic reactions/01 - Diels-Alder reaction - 04 - Diels-Alder_ endo rule.webm 12.4 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 03 - Going back to the till_ Series B.webm 12.4 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 05 - Net electric field from multiple charges in 2D.webm 12.4 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 05 - Net electric field from multiple charges in 2D.webm 12.4 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 05 - Net electric field from multiple charges in 2D.webm 12.4 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/04 - Sn1_Sn2_E1_E2 - 03 - E2 E1 Sn2 Sn1 reactions example 3.webm 12.4 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/01 - Introduction to electromagnetic waves - 01 - Electromagnetic waves and the electromagnetic spectrum.webm 12.3 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/01 - Introduction to electromagnetic waves - 01 - Electromagnetic waves and the electromagnetic spectrum.webm 12.3 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 01 - Electromagnetic waves and the electromagnetic spectrum.webm 12.3 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 10 - Ozonolysis.webm 12.3 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/02 - Laws of thermodynamics - 05 - Second Law of Thermodynamics and entropy.webm 12.3 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/02 - Laws of thermodynamics - 05 - Second Law of Thermodynamics and entropy.webm 12.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 12 - Preventing TB using the '4 I's'.webm 12.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 12 - Preventing TB using the '4 I's'.webm 12.3 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 33 - 2010 IIT JEE Paper 1 Problem 50_ Hyperbola eccentricity.webm 12.3 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 04 - Budget line.webm 12.3 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/02 - Consumption function - 02 - Generalized linear consumption function.webm 12.3 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 38 - Series sum example.webm 12.3 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/02 - Solutions to linear equations - 05 - Graphing a linear equation_ y=2x+7.webm 12.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/02 - Ancient Persia - 03 - Zoroastrianism.webm 12.3 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 09 - RC step response - intuition.webm 12.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 09 - Valvular heart disease diagnosis and treatment.webm 12.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 09 - Valvular heart disease diagnosis and treatment.webm 12.3 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 07 - Fischer projection introduction.webm 12.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 04 - Is short selling bad_.webm 12.3 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/11 - Identifying conic sections from their expanded equations - 03 - Conic section from expanded equation_ hyperbola.webm 12.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 04 - Shock - diagnosis and treatment.webm 12.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 03 - Shock - diagnosis and treatment.webm 12.3 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 02 - Moments.webm 12.3 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 02 - Moments.webm 12.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 02 - People and plants.webm 12.3 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 02 - People and plants.webm 12.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 12 - Bailout 12_ Lone Star transaction.webm 12.3 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 13 - Bailout 12_ Lone Star transaction.webm 12.3 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 05 - Node voltage method (steps 1 to 4).webm 12.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 09 - Complications after a heart attack (myocardial infarction).webm 12.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 09 - Complications after a heart attack (myocardial infarction).webm 12.3 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 01 - Specular and diffuse reflection.webm 12.3 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 01 - Specular and diffuse reflection.webm 12.3 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 01 - Specular and diffuse reflection.webm 12.3 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 01 - Newman projections.webm 12.3 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 01 - Newman projections.webm 12.3 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/12 - Buddhism - 05 - Theravada and Mahayana Buddhism.webm 12.3 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 07 - Intersection of circle and hyperbola.webm 12.3 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 22 - Intersection of circle and hyperbola.webm 12.3 MB
Science & engineering/08 - Biology - 17 - Biotechnology/03 - DNA analysis methods - 01 - Polymerase chain reaction (PCR).webm 12.3 MB
Science & engineering/09 - AP Biology - 18 - Biotechnology/03 - DNA analysis methods - 01 - Polymerase chain reaction (PCR).webm 12.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 02 - Polymerase chain reaction (PCR).webm 12.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 10 - Architecture and design/01 - Architecture and design - 02 - Frank Lloyd Wright, Solomon R. Guggenheim Museum.webm 12.3 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 04 - Escrow.webm 12.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 07 - Atrioventricular reentrant tachycardia (AVRT) and AV nodal reentrant tachycardia (AVNRT).webm 12.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 07 - Atrioventricular reentrant tachycardia (AVRT) and AV nodal reentrant tachycardia (AVNRT).webm 12.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 19 - The discount rate.webm 12.3 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/05 - Emotion - 02 - Emotions_ cerebral hemispheres and prefrontal cortex.webm 12.3 MB
Test prep/02 - MCAT - 10 - Processing the environment/12 - Emotion - 02 - Emotions_ cerebral hemispheres and prefrontal cortex.webm 12.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 08 - Parthenon Metopes.webm 12.3 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/01 - Introduction to conic sections - 01 - Intro to conic sections.webm 12.2 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/01 - Introduction to conic sections - 01 - Intro to conic sections.webm 12.2 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/01 - Introduction to conic sections - 01 - Intro to conic sections.webm 12.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 09 - Calcium puts myosin to work.webm 12.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 05 - Calcium puts myosin to work.webm 12.2 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 09 - Calcium puts myosin to work.webm 12.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 05 - Calcium puts myosin to work.webm 12.2 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 09 - Calcium puts myosin to work.webm 12.2 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/02 - Corporate taxation - 01 - Corporations and limited liability.webm 12.2 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 01 - Absolute temperature and the kelvin scale.webm 12.2 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/05 - Sunni and Shia Islam - 01 - Sunni and Shia Islam part 1.webm 12.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/04 - Babylonian - 03 - The Law Code Stele of King Hammurabi.webm 12.2 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 01 - Stoichiometry.webm 12.2 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 02 - Stoichiometry.webm 12.2 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/02 - Stoichiometry - 01 - Stoichiometry.webm 12.2 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/02 - Stoichiometry - 02 - Stoichiometry.webm 12.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 06 - Dürer, Four Apostles.webm 12.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 05 - Countercurrent multiplication in the kidney.webm 12.2 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 06 - Countercurrent multiplication in the kidney.webm 12.2 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 05 - Countercurrent multiplication in the kidney.webm 12.2 MB
Test prep/02 - MCAT - 06 - Cells/04 - Cell theory - 01 - History and development of cell theory.webm 12.2 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/03 - Summarizing spread of distributions - 02 - Measures of spread_ range, variance and standard deviation.webm 12.2 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 02 - Alveolar gas equation - part 2.webm 12.2 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 02 - Alveolar gas equation - part 2.webm 12.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 01 - Meet the lungs.webm 12.2 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 01 - Meet the lungs.webm 12.2 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 01 - Meet the lungs.webm 12.2 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 01 - Meet the lungs.webm 12.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 08 - Uccello, The Battle of San Romano.webm 12.2 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 05 - Total revenue and elasticity.webm 12.2 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/02 - Biological basis of behavior_ Endocrine system - 03 - Endocrine system and influence on behavior - Part 1.webm 12.2 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 21 - Endocrine system and influence on behavior - Part 1.webm 12.2 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 03 - More on Normal force (shoe on floor).webm 12.2 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 03 - More on Normal force (shoe on floor).webm 12.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 11 - Pulseless electrical activity (PEA) and asystole.webm 12.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 11 - Pulseless electrical activity (PEA) and asystole.webm 12.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/03 - Republic - 02 - Portrait Bust of a Flavian Woman (Fonseca Bust).webm 12.2 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 07 - Bhakti movement.webm 12.2 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/01 - Cupisnique - 01 - Feline-Head Bottle, Cupisnique.webm 12.2 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 06 - Multiple sclerosis diagnosis.webm 12.2 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 06 - Multiple sclerosis diagnosis.webm 12.2 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 07 - Multiple sclerosis diagnosis.webm 12.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/10 - Evolution and population dynamics - 01 - Evolution and natural selection.webm 12.2 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/12 - Introduction to matrix inverses - 01 - Intro to matrix inverses.webm 12.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 06 - Carbohydrates - Naming and classification.webm 12.2 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 04 - IIT JEE complex root probability (part 1).webm 12.2 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 01 - Introduction to Structure.webm 12.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 03 - Soldering Safety.webm 12.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 07 - Mantegna, Dormition of the Virgin.webm 12.2 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 04 - White and black dwarfs.webm 12.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 16 - Ruisdael, View of Haarlem with Bleaching Grounds.webm 12.2 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/02 - 2. Character - 04 - Obstacles.webm 12.2 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 02 - The fiscal cliff.webm 12.2 MB
Science & engineering/08 - Biology - 05 - Macromolecules/05 - Proteins - 01 - Introduction to amino acids.webm 12.2 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/05 - Proteins - 01 - Introduction to amino acids.webm 12.2 MB
Math by grade/05 - 4th - 06 - Geometry/01 - Lines, line segments, and rays - 01 - Terms and labels in geometry.webm 12.2 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/01 - Intro to Euclidean geometry - 02 - Terms and labels in geometry.webm 12.2 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 04 - Banking 4_ Multiplier effect and the money supply.webm 12.2 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 04 - What is contrapposto_.webm 12.1 MB
Arts and humanities/04 - Art history/01 - Art history basics - 03 - Glossary/01 - Glossary - 01 - What is contrapposto_.webm 12.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/01 - A beginner's guide to Renaissance Florence - 02 - What is contrapposto_.webm 12.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 08 - End diastolic pressure-volume relationship (EDPVR).webm 12.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 08 - End diastolic pressure-volume relationship (EDPVR).webm 12.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 09 - Production of insulin and glucagon.webm 12.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/04 - Early classical - 02 - Kritios Boy.webm 12.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 04 - Atherosclerosis - part 2.webm 12.1 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 01 - Chronometric revolution.webm 12.1 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/03 - Radiometric dating - 01 - Chronometric revolution.webm 12.1 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/03 - Radiometric dating - 01 - Chronometric revolution.webm 12.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/11 - Acyanotic heart diseases - 04 - Atrial septal defect.webm 12.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/06 - Acyanotic heart diseases - 04 - Atrial septal defect.webm 12.1 MB
Science & engineering/08 - Biology - 01 - Intro to biology/01 - Welcome to biology! - 01 - Biology overview.webm 12.1 MB
Science & engineering/09 - AP Biology - 02 - Intro to biology/01 - Welcome to biology! - 01 - Biology overview.webm 12.1 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 05 - Electric potential at a point in space.webm 12.1 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 05 - Electric potential at a point in space.webm 12.1 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 05 - Electric potential at a point in space.webm 12.1 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 08 - Electric potential at a point in space.webm 12.1 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/08 - Interpreting quadratic models - 01 - Quadratic word problem_ mosquitoes.webm 12.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/02 - Quadratic factored form - 03 - Quadratic word problem_ mosquitoes.webm 12.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/10 - Endocrine system introduction - 04 - Types of hormones.webm 12.1 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/01 - Endocrine system introduction - 05 - Types of hormones.webm 12.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 04 - Types of hormones.webm 12.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 03 - Types of hormones.webm 12.1 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 04 - Types of hormones.webm 12.1 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 04 - Types of hormones.webm 12.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 03 - The phototransduction cascade.webm 12.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 03 - The phototransduction cascade.webm 12.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 04 - Khnopff,I Lock My Door Upon Myself.webm 12.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 01 - What is valvular heart disease_.webm 12.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 01 - What is valvular heart disease_.webm 12.1 MB
Science & engineering/08 - Biology - 12 - Cell division/03 - Meiosis - 03 - Phases of meiosis I.webm 12.1 MB
Science & engineering/09 - AP Biology - 13 - Cell division/03 - Meiosis - 03 - Phases of meiosis I.webm 12.1 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 09 - Phases of meiosis I.webm 12.1 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 10 - Choosing kinematic equations.webm 12.1 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 10 - Choosing kinematic equations.webm 12.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 01 - What is emphysema_.webm 12.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 01 - What is emphysema_.webm 12.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 02 - Conservation _ René Magritte, 'The Portrait,' 1935.webm 12.1 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 01 - What is an operational amplifier_.webm 12.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/08 - Taste (gustation) and smell (olfaction) - 03 - Gustation - structure and function.webm 12.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/05 - Taste (gustation) and smell (olfaction) - 03 - Gustation - structure and function.webm 12.1 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 01 - Renting versus buying a home.webm 12.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 09 - Fra Filippo Lippi, Madonna and Child with two Angels.webm 12.1 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 05 - Friedel-Crafts alkylation.webm 12.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 01 - Ancient Greek vase production and the black-figure technique.webm 12.1 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 03 - Using the Nernst equation.webm 12.1 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 03 - Using the Nernst equation.webm 12.1 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 13 - Using the Nernst equation.webm 12.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 09 - Torsades de pointes.webm 12.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 09 - Torsades de pointes.webm 12.1 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 05 - K-Ar dating calculation.webm 12.1 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/03 - Radiometric dating - 05 - K-Ar dating calculation.webm 12.1 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/03 - Radiometric dating - 05 - K-Ar dating calculation.webm 12.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 05 - 1942 Tide turning in World War II in Europe.webm 12.1 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 04 - 1942 Tide turning in World War II in Europe.webm 12.1 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 04 - 1942 Tide turning in World War II in Europe.webm 12.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 10 - DNA repair 1.webm 12.0 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 01 - Geithner plan 1.webm 12.0 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 04 - Pathophysiology - Type I diabetes.webm 12.0 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 05 - Pathophysiology - Type I diabetes.webm 12.0 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 04 - Pathophysiology - Type I diabetes.webm 12.0 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 05 - Pathophysiology - Type I diabetes.webm 12.0 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 06 - 1943 Axis losing in Europe.webm 12.0 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 06 - 1943 Axis losing in Europe.webm 12.0 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 06 - 1943 Axis losing in Europe.webm 12.0 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 05 - The mole and Avogadro's number.webm 12.0 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 05 - The mole and Avogadro's number.webm 12.0 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 05 - The mole and Avogadro's number.webm 12.0 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 03 - The mole and Avogadro's number.webm 12.0 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 03 - Moments (part 2).webm 12.0 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 03 - Moments (part 2).webm 12.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 05 - Naming the flu_ H-something, N-something.webm 12.0 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 12 - What is asperger syndrome_.webm 12.0 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 13 - What is asperger syndrome_.webm 12.0 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 12 - What is asperger syndrome_.webm 12.0 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 13 - What is asperger syndrome_.webm 12.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/05 - Spain - 01 - Velázquez, Los Borrachos or the Triumph of Bacchus.webm 12.0 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 04 - Inflation, deflation, and capacity utilization.webm 12.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/02 - Ceramics, glass and mosaics - 03 - Ancient and Byzantine mosaic materials.webm 12.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/10 - Evolution and population dynamics - 05 - Inbreeding.webm 12.0 MB
Science & engineering/01 - Physics - 16 - Special relativity/04 - Einstein velocity addition - 06 - Time dilation.webm 12.0 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 10 - Voltmeters and Ammeters.webm 12.0 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 10 - Voltmeters and Ammeters.webm 12.0 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 07 - Voltmeters and Ammeters.webm 12.0 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 08 - Electronegativity.webm 12.0 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 03 - Electronegativity.webm 12.0 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 09 - Electronegativity.webm 12.0 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/01 - Types of chemical bonds - 03 - Electronegativity.webm 12.0 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/03 - Chemical bonds and reactions - 02 - Electronegativity.webm 12.0 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/03 - Chemical bonds and reactions - 02 - Electronegativity.webm 12.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 03 - Neo-Classicism/01 - Neo-Classicism - 05 - David, The Intervention of the Sabine Women.webm 12.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 15 - Control of the GI tract.webm 12.0 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 15 - Control of the GI tract.webm 12.0 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 15 - Control of the GI tract.webm 12.0 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 35 - Point distance to plane.webm 12.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/10 - Reliquaries and tapestries - 01 - The Holy Thorn Reliquary of Jean, duc de Berry.webm 12.0 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 02 - Bonds as springs.webm 12.0 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 02 - Bonds as springs.webm 12.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 02 - Pathophysiology, diagnosis, treatment, and prevention of gonorrhea.webm 12.0 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 02 - Pathophysiology, diagnosis, treatment, and prevention of gonorrhea.webm 12.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/10 - Thermo can - 01 - Thermo can.webm 12.0 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 03 - Nomenclature of aldehydes and ketones.webm 12.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 01 - Nomenclature of aldehydes and ketones.webm 12.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 01 - Seurat, Bathers at Asnières.webm 12.0 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 03 - Early Christian/01 - Early Christian - 04 - Sarcophagus of Junius Bassus.webm 12.0 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 04 - Elimination vssubstitution_ tertiary substrate.webm 12.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 14 - Botticelli, Birth of Venus.webm 12.0 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 05 - Valence electrons and bonding.webm 12.0 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/01 - Introduction to the periodic table - 05 - Valence electrons and bonding.webm 12.0 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/02 - Electron shells and orbitals - 03 - Valence electrons and bonding.webm 12.0 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/02 - Electron shells and orbitals - 03 - Valence electrons and bonding.webm 12.0 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 05 - Graham's law of diffusion.webm 12.0 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 05 - Graham's law of diffusion.webm 12.0 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 05 - The basal ganglia - Concepts of the indirect pathway.webm 12.0 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 06 - The basal ganglia - Concepts of the indirect pathway.webm 12.0 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 05 - The basal ganglia - Concepts of the indirect pathway.webm 12.0 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 06 - The basal ganglia - Concepts of the indirect pathway.webm 12.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 03 - David (marble statue).webm 12.0 MB
Science & engineering/10 - Health and medicine - 21 - Health care system/01 - Health care system - 02 - Conversation about drug pricing.webm 12.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/05 - Kamakura period (1185-1333) - 02 - From castle to palace_ samurai architecture.webm 12.0 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 04 - Solving for time.webm 11.9 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 04 - Solving for time.webm 11.9 MB
Test prep/02 - MCAT - 08 - Physical processes/02 - Speed and velocity - 02 - Solving for time.webm 11.9 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 01 - Introduction to geometric transformations.webm 11.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 03 - Dali, The Persistence of Memory.webm 11.9 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/07 - Ring-opening reactions of epoxides - 01 - Ring-opening reactions of epoxides_ Strong nucleophiles.webm 11.9 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 03 - Algorithmic efficiency.webm 11.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 06 - Mark Rothko.webm 11.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/02 - Cambodia - 03 - The Scourge of Looting_ Trafficking Antiquities, from Temple to Museum.webm 11.9 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 07 - Viscosity and Poiseuille flow.webm 11.9 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 07 - Viscosity and Poiseuille flow.webm 11.9 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 07 - Viscosity and Poiseuille flow.webm 11.9 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 07 - American progress in the Pacific in 1944.webm 11.9 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 07 - American progress in the Pacific in 1944.webm 11.9 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 07 - American progress in the Pacific in 1944.webm 11.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 08 - Hunt, the Awakening Conscience.webm 11.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/13 - Carbohydrates - 01 - Carbohydrates - naming and classification.webm 11.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/11 - Carbohydrates - 04 - Carbohydrates - naming and classification.webm 11.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 41 - GMAT_ Data sufficiency 40.webm 11.9 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 15 - Titration roundup.webm 11.9 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 15 - Titration roundup.webm 11.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 10 - Cassatt, Woman with a Pearl Necklace in a Loge.webm 11.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 07 - Mitochondria, apoptosis, and oxidative stress.webm 11.9 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/02 - Adding with regrouping within 1000 - 01 - Intro to place value.webm 11.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 01 - Currency exchange introduction.webm 11.9 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/11 - Identifying conic sections from their expanded equations - 01 - Conic section from expanded equation_ circle and parabola.webm 11.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 04 - Hypoxic pulmonary vasoconstriction.webm 11.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 04 - Hypoxic pulmonary vasoconstriction.webm 11.9 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/04 - Active transport - 03 - Uniporters, symporters and antiporters.webm 11.9 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/04 - Active transport - 03 - Uniporters, symporters and antiporters.webm 11.9 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 40 - Simple differential equation example.webm 11.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 09 - End systolic pressure-volume relationship (ESPVR).webm 11.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 09 - End systolic pressure-volume relationship (ESPVR).webm 11.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 01 - What is gonorrhea_.webm 11.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 01 - What is gonorrhea_.webm 11.9 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/12 - Aztec (Mexica) - 02 - Tlaloc vessel.webm 11.9 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 07 - Proof_ Field from infinite plate (part 1).webm 11.9 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 07 - Proof_ Field from infinite plate (part 1).webm 11.9 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 07 - Proof_ Field from infinite plate (part 1).webm 11.9 MB
Science & engineering/11 - Electrical engineering - 05 - Electrostatics/02 - Fields, potential, and voltage - 01 - Proof_ Field from infinite plate (part 1).webm 11.9 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 16 - LC natural response intuition 2.webm 11.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 13 - Veronese, The Family of Darius Before Alexander.webm 11.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 10 - Aromatic heterocycles.webm 11.9 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 03 - Alkane and cycloalkane nomenclature III.webm 11.9 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 03 - Alkane and cycloalkane nomenclature III.webm 11.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 02 - Courbet, The Artist's Studio, a real allegory summing up seven years of my ar.webm 11.8 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 03 - Relationship between Ka and Kb.webm 11.8 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 03 - Relationship between Ka and Kb.webm 11.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 08 - Relationship between Ka and Kb.webm 11.8 MB
Test prep/02 - MCAT - 06 - Cells/05 - Eukaryotic cells - 04 - Endoplasmic reticulum and golgi apparatus.webm 11.8 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 02 - Introduction to channel capacity.webm 11.8 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/01 - Endocrine system introduction - 01 - Intro to the endocrine system.webm 11.8 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 04 - How to use the shortcut for solving elastic collisions.webm 11.8 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/02 - Elastic and inelastic collisions - 04 - How to use the shortcut for solving elastic collisions.webm 11.8 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 04 - Short run aggregate supply.webm 11.8 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 01 - Review of trig angle addition identities.webm 11.8 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 01 - Review of trig angle addition identities.webm 11.8 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/02 - Prokaryotic and eukaryotic cells - 02 - Prokaryotic and eukaryotic cells.webm 11.8 MB
Science & engineering/08 - Biology - 19 - Bacteria and archaea/01 - Prokaryote structure - 02 - Prokaryotic and eukaryotic cells.webm 11.8 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/02 - Prokaryotic and eukaryotic cells - 02 - Prokaryotic and eukaryotic cells.webm 11.8 MB
Science & engineering/09 - AP Biology - 20 - Bacteria and archaea/01 - Prokaryote structure - 02 - Prokaryotic and eukaryotic cells.webm 11.8 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/11 - Challenging complex number problems - 04 - Challenging complex numbers problem_ complex determinant.webm 11.8 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 37 - Challenging complex numbers problem_ complex determinant.webm 11.8 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 02 - Ibrahim El-Salahi.webm 11.8 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/02 - Counting with combinations - 02 - Combination formula.webm 11.8 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/03 - Counting with combinations - 02 - Combination formula.webm 11.8 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/07 - Combinations - 02 - Combination formula.webm 11.8 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 05 - Ankylosing spondylitis.webm 11.8 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 05 - Ankylosing spondylitis.webm 11.8 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 05 - Chinese Central Bank buying treasuries.webm 11.8 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/11 - Average rate of change - 01 - Introduction to average rate of change.webm 11.8 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/11 - Average rate of change - 01 - Introduction to average rate of change.webm 11.8 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 02 - Human capital.webm 11.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 10 - Willem Kalf, Still Life with a Silver Ewer.webm 11.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 02 - Parmigianino, Madonna of the Long Neck.webm 11.8 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Calvin Carter - Founder of Bottle Rocket Apps - 01 - A 2 a.m. wake up call.webm 11.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 08 - Dix, Portrait of the Journalist Syl.webm 11.8 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 02 - Ionic bonds and Coulombs law.webm 11.8 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/01 - Types of chemical bonds - 02 - Ionic bonds and Coulombs law.webm 11.8 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/04 - 4. Visual language - 01 - Introduction to Visual Language.webm 11.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 13 - Johannes Vermeer, Woman Holding a Balance.webm 11.8 MB
Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 01 - Randomized algorithms (intro).webm 11.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 02 - Normal sinus rhythm on an EKG.webm 11.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 02 - Normal sinus rhythm on an EKG.webm 11.8 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 03 - Gravity for astronauts in orbit.webm 11.8 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 03 - Gravity for astronauts in orbit.webm 11.8 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 02 - Bromination of benzene.webm 11.8 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/05 - Multiplication rule for dependent events - 03 - Dependent probability_ coins.webm 11.8 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/06 - Multiplication rule for dependent events - 03 - Dependent probability_ coins.webm 11.8 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/05 - Dependent events - 02 - Dependent probability_ coins.webm 11.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/02 - Enzyme structure and function - 06 - Enzymes and their local environment.webm 11.8 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 01 - Alkene structure and classification.webm 11.8 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 06 - Storytelling with camera.webm 11.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 14 - Burne-Jones, King Cophetua and the Beggar Maid.webm 11.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/05 - Bramante - 02 - Bramante, et.al., Saint Peter's Basilica.webm 11.8 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 04 - Deriving displacement as a function of time, acceleration, and initial velocity.webm 11.7 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 04 - Deriving displacement as a function of time, acceleration, and initial velocity.webm 11.7 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 03 - Refraction and Snell's law.webm 11.7 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 03 - Refraction and Snell's law.webm 11.7 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 03 - Refraction and Snell's law.webm 11.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 06 - Placenta previa.webm 11.7 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 06 - Placenta previa.webm 11.7 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 02 - Young's double slit introduction.webm 11.7 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 02 - Young's double slit introduction.webm 11.7 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 04 - Young's double slit introduction.webm 11.7 MB
Science & engineering/08 - Biology - 04 - Properties of carbon/01 - Carbon - 02 - Silicon-based life.webm 11.7 MB
Science & engineering/09 - AP Biology - 05 - Properties of carbon/01 - Carbon - 02 - Silicon-based life.webm 11.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/13 - Stress - 04 - Physical effects of stress.webm 11.7 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 06 - Urbanization.webm 11.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 04 - Left ventricular pressure vs. time.webm 11.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 04 - Left ventricular pressure vs. time.webm 11.7 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 04 - Adjustable rate mortgages ARMs.webm 11.7 MB
Test prep/02 - MCAT - 06 - Cells/05 - Eukaryotic cells - 01 - Characteristics of eukaryotic cells.webm 11.7 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 07 - Question 3b_ 2015 AP Physics 1 free response.webm 11.7 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 07 - Question 3b_ 2015 AP Physics 1 free response.webm 11.7 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 05 - Polyarteritis nodosa.webm 11.7 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 05 - Polyarteritis nodosa.webm 11.7 MB
Test prep/02 - MCAT - 08 - Physical processes/02 - Speed and velocity - 01 - Calculating average speed and velocity edited.webm 11.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/06 - Late classical (4th century) - 01 - Capitoline Venus.webm 11.7 MB
Math by grade/09 - 8th - 01 - Numbers and operations/03 - Irrational numbers - 03 - Classifying numbers.webm 11.7 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/01 - Irrational numbers - 03 - Classifying numbers.webm 11.7 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/08 - Component form of vectors - 01 - Vector components from magnitude and direction.webm 11.7 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 09 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 04 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 10 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/01 - Types of chemical bonds - 04 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/04 - Electronegativity - 01 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/03 - Chemical bonds and reactions - 03 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/03 - Chemical bonds and reactions - 03 - Electronegativity and bonding.webm 11.7 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 01 - Electronegativity and bonding.webm 11.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 01 - Electronegativity and bonding.webm 11.7 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 03 - Autoionization of water.webm 11.7 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 03 - Autoionization of water.webm 11.7 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/04 - Acids, bases, and pH - 01 - Autoionization of water.webm 11.7 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/04 - Acids, bases, and pH - 01 - Autoionization of water.webm 11.7 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 06 - Acid-catalyzed ester hydrolysis.webm 11.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 06 - Acid-catalyzed ester hydrolysis.webm 11.7 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 11 - Cervical spine protection in airway management (not a substitute for formal training).webm 11.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/03 - Republic - 01 - Temple of Portunus.webm 11.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/09 - Rise of Mussolini and Fascism - 01 - Fascism and Mussolini.webm 11.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 04 - Lub dub.webm 11.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 04 - Lub dub.webm 11.7 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 05 - Lub dub.webm 11.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 04 - Lub dub.webm 11.7 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 01 - Marginal utility.webm 11.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/02 - A beginner's guide to Imperial China - 04 - Appreciating Chinese calligraphy.webm 11.7 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 07 - RC natural response - derivation.webm 11.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 10 - Art and identity in the work of Lorna Simpson.webm 11.7 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 09 - Compositional and mechanical layers of the earth.webm 11.7 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 08 - Thin Film Interference part 1.webm 11.7 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 08 - Thin Film Interference part 1.webm 11.7 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 10 - Thin Film Interference part 1.webm 11.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/07 - Direct and inverse variation - 01 - Intro to direct and inverse variation.webm 11.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/06 - Direct and inverse variation - 01 - Intro to direct and inverse variation.webm 11.7 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 01 - Mass defect and binding energy.webm 11.7 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 01 - Mass defect and binding energy.webm 11.7 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 01 - Mass defect and binding energy.webm 11.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/08 - End behavior of rational functions - 01 - End behavior of rational functions.webm 11.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/07 - End behavior of rational functions - 01 - End behavior of rational functions.webm 11.7 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/04 - Chronic Bronchitis (COPD) - 03 - Chronic bronchitis treatment.webm 11.7 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/04 - Chronic bronchitis (COPD) - 03 - Chronic bronchitis treatment.webm 11.7 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 01 - What is heart failure_.webm 11.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 01 - What is heart failure_.webm 11.6 MB
Science & engineering/08 - Biology - 05 - Macromolecules/02 - Carbohydrates - 04 - Molecular structure of fructose.webm 11.6 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/02 - Carbohydrates - 04 - Molecular structure of fructose.webm 11.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 03 - Temporal arteritis.webm 11.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 03 - Temporal arteritis.webm 11.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/03 - Shang dynasty (c. 1600-1050 B.C.E.) - 01 - Oracle Bone, Shang Dynasty.webm 11.6 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 05 - Analyzing a resistor circuit with two batteries.webm 11.6 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 05 - Analyzing a resistor circuit with two batteries.webm 11.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 07 - Analyzing a resistor circuit with two batteries.webm 11.6 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 02 - Movement signs and symptoms of Parkinson's disease.webm 11.6 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 03 - Movement signs and symptoms of Parkinson's disease.webm 11.6 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 02 - Movement signs and symptoms of Parkinson's disease.webm 11.6 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 03 - Movement signs and symptoms of Parkinson's disease.webm 11.6 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 30 - Vector triple product expansion (very optional).webm 11.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 02 - Poliomyelitis pathophysiology.webm 11.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 03 - Poliomyelitis pathophysiology.webm 11.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 02 - Poliomyelitis pathophysiology.webm 11.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 03 - Poliomyelitis pathophysiology.webm 11.6 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 04 - Linear functions word problem_ paint.webm 11.6 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 04 - Linear functions word problem_ paint.webm 11.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 05 - Cardiogenic shock.webm 11.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 05 - Cardiogenic shock.webm 11.6 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 09 - Syn dihydroxylation.webm 11.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 11 - What is trichomoniasis_.webm 11.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 11 - What is trichomoniasis_.webm 11.6 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 09 - VSEPR for 5 electron clouds (continued).webm 11.6 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 09 - VSEPR for 5 electron clouds (continued).webm 11.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 08 - VSEPR for 5 electron clouds (continued).webm 11.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 04 - Cooperativity.webm 11.6 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 01 - Atomic radius trends on periodic table.webm 11.6 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 01 - Atomic radius trends on periodic table.webm 11.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 07 - Neuromuscular junction, motor end-plate.webm 11.6 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 07 - Neuromuscular junction, motor end-plate.webm 11.6 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 07 - Neuromuscular junction, motor end-plate.webm 11.6 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 01 - Intro to arcsine.webm 11.6 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 01 - Intro to arcsine.webm 11.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 03 - Duccio, The Rucellai Madonna.webm 11.6 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/02 - Bleeding and impaired hemostasis - 02 - Primary hemostasis.webm 11.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/06 - Aortic dissection and aneurysm - 04 - Aortic dissection treatment.webm 11.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/11 - Aortic dissection and aneurysm - 04 - Aortic dissection treatment.webm 11.6 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 02 - Normal force in an elevator.webm 11.6 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 02 - Normal force in an elevator.webm 11.6 MB
Test prep/02 - MCAT - 08 - Physical processes/05 - Normal forces - 03 - Normal force in an elevator.webm 11.6 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 09 - Diagnosing Parkinson's disease.webm 11.6 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 10 - Diagnosing Parkinson's disease.webm 11.6 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 09 - Diagnosing Parkinson's disease.webm 11.6 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 10 - Diagnosing Parkinson's disease.webm 11.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 09 - Bailout 9_ Paulson's plan.webm 11.6 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 10 - Bailout 9_ Paulson's plan.webm 11.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/04 - Central Italy - 02 - Piero della Francesca, Portraits of the Duke and Duchess of Urbino.webm 11.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 09 - Blood brain barrier and vasogenic edema.webm 11.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 09 - Blood brain barrier and vasogenic edema.webm 11.6 MB
Science & engineering/10 - Health and medicine - 21 - Health care system/01 - Health care system - 05 - Paying doctors.webm 11.6 MB
Science & engineering/08 - Biology - 27 - Human biology/04 - Muscles - 01 - Myosin and actin.webm 11.6 MB
Science & engineering/09 - AP Biology - 28 - Human biology/04 - Muscles - 01 - Myosin and actin.webm 11.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 01 - Myosin and actin.webm 11.6 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 03 - Myosin and actin.webm 11.6 MB
Science & engineering/10 - Health and medicine - 14 - Advanced muscular-skeletal system physiology/01 - Muscular system introduction - 01 - Myosin and actin.webm 11.6 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 01 - Myosin and actin.webm 11.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 04 - Myosin and actin.webm 11.6 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 01 - Myosin and actin.webm 11.6 MB
Science & engineering/01 - Physics - 16 - Special relativity/03 - Lorentz transformation - 06 - Lorentz transformation derivation part 3.webm 11.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 09 - Titian, Venus of Urbino.webm 11.6 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 06 - Common tangent of circle and hyperbola (5 of 5).webm 11.6 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 27 - Common tangent of circle and hyperbola (5 of 5).webm 11.6 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 04 - Potassium-argon (K-Ar) dating.webm 11.6 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/03 - Radiometric dating - 04 - Potassium-argon (K-Ar) dating.webm 11.6 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/03 - Radiometric dating - 04 - Potassium-argon (K-Ar) dating.webm 11.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 13 - Making flu vaccine each year.webm 11.6 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 06 - Electric field.webm 11.6 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 06 - Electric field.webm 11.6 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 06 - Electric field.webm 11.6 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 05 - Electric field.webm 11.6 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/04 - Plasma cell dyscrasias - 03 - What is multiple myeloma_.webm 11.6 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 03 - What is multiple myeloma_.webm 11.6 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/03 - Quantum numbers and orbitals - 03 - Quantum numbers for the first four shells.webm 11.6 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/03 - Quantum numbers and orbitals - 03 - Quantum numbers for the first four shells.webm 11.6 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/03 - Quantum numbers and orbitals - 03 - Quantum numbers for the first four shells.webm 11.6 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 10 - Quantum numbers for the first four shells.webm 11.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 13 - Burne-Jones, The Golden Stairs.webm 11.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 10 - How do we make blood clots_.webm 11.5 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 10 - How do we make blood clots_.webm 11.5 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 05 - How do we make blood clots_.webm 11.5 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 02 - 1. String art.webm 11.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/14 - Human migration - 01 - Causes and effects of human migration.webm 11.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/04 - Plasma cell dyscrasias - 02 - What is Monoclonal gammopathy of undetermined significance (MGUS)_.webm 11.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 02 - What is Monoclonal gammopathy of undetermined significance (MGUS)_.webm 11.5 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 06 - Snell's law example 2.webm 11.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 03 - Gerhard Richter, Betty.webm 11.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 03 - The carbon cycle.webm 11.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 04 - The carbon cycle.webm 11.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 05 - The carbon cycle.webm 11.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 03 - The carbon cycle.webm 11.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 04 - The carbon cycle.webm 11.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 05 - The carbon cycle.webm 11.5 MB
Science & engineering/11 - Electrical engineering - 04 - Semiconductor devices/01 - Diode - 01 - Diode.webm 11.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 10 - Titian, Christ Crowned with Thorns.webm 11.5 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 04 - Neuron graded potential mechanism.webm 11.5 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 04 - Neuron graded potential mechanism.webm 11.5 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 04 - Neuron graded potential mechanism.webm 11.5 MB
Arts and humanities/01 - World history - 06 - The 20th century/09 - Rise of Mussolini and Fascism - 03 - Mussolini becomes absolute dictator (Il Duce).webm 11.5 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 03 - The medieval calendar.webm 11.5 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 02 - Books in medieval Europe/02 - Using the medieval book - 01 - The medieval calendar.webm 11.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 03 - Diastolic heart failure pathophysiology.webm 11.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 03 - Diastolic heart failure pathophysiology.webm 11.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/01 - Neolithic art in China - 02 - Jade Cong.webm 11.5 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 02 - Public key cryptography_ What is it_.webm 11.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 07 - Arterial elastance (Ea) and afterload.webm 11.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 07 - Arterial elastance (Ea) and afterload.webm 11.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 03 - Geithner plan 3.webm 11.5 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 07 - Significance of the battle of Antietam.webm 11.5 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 07 - Significance of the battle of Antietam.webm 11.5 MB
Test prep/02 - MCAT - 11 - Behavior/03 - Behavior and genetics - 02 - Twin studies and adoption studies.webm 11.5 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 09 - 2015 AP Chemistry free response 3b.webm 11.5 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 11 - 2015 AP Chemistry free response 3b.webm 11.5 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 09 - 2015 AP Chemistry free response 3b.webm 11.5 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 11 - 2015 AP Chemistry free response 3b.webm 11.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 06 - Aromatic heterocycles I.webm 11.5 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 04 - Faraday's Law example.webm 11.5 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 04 - Faraday's Law example.webm 11.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 01 - Ortho-para directors I.webm 11.5 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/05 - Emotion - 01 - Emotions_ limbic system.webm 11.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/12 - Emotion - 01 - Emotions_ limbic system.webm 11.5 MB
Science & engineering/08 - Biology - 18 - Developmental biology/01 - Development and differentiation - 01 - Cellular specialization (differentiation).webm 11.5 MB
Science & engineering/09 - AP Biology - 19 - Developmental biology/01 - Development and differentiation - 01 - Cellular specialization (differentiation).webm 11.5 MB
Test prep/02 - MCAT - 06 - Cells/10 - Cellular development - 04 - Cellular specialization (differentiation).webm 11.5 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 02 - Introduction to relief printmaking.webm 11.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 03 - The Painting Techniques of Barnett Newman.webm 11.5 MB
Science & engineering/08 - Biology - 05 - Macromolecules/02 - Carbohydrates - 01 - Molecular structure of glucose.webm 11.5 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/02 - Carbohydrates - 01 - Molecular structure of glucose.webm 11.5 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/03 - Acceleration - 02 - Airbus A380 take-off time.webm 11.5 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/03 - Acceleration - 02 - Airbus A380 take-off time.webm 11.5 MB
Test prep/02 - MCAT - 08 - Physical processes/03 - Acceleration - 02 - Airbus A380 take-off time.webm 11.5 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/03 - Spanish colonization - 02 - The Atlantic slave trade and colonial racism part 2.webm 11.5 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/03 - Spanish colonization - 02 - The Atlantic slave trade and colonial racism part 2.webm 11.5 MB
Science & engineering/01 - Physics - 16 - Special relativity/02 - Minkowski spacetime - 02 - Visualizing multiple Newtonian path–time diagrams.webm 11.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/09 - The Mongols - 01 - Genghis Khan and the Mongol Empire.webm 11.5 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 02 - What is a pinhole camera_.webm 11.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 09 - Treatments for depression - Psychological therapies.webm 11.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 09 - Treatments for depression - Psychological therapies.webm 11.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/04 - Early empire - 01 - Augustus of Primaporta.webm 11.5 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 18 - IIT JEE integral with binomial expansion.webm 11.5 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 06 - Nickel-cadmium battery.webm 11.4 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 06 - Nickel-cadmium battery.webm 11.4 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 19 - Nickel-cadmium battery.webm 11.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 12 - What is herpes_.webm 11.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 12 - What is herpes_.webm 11.4 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 07 - Wealth destruction 2.webm 11.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 12 - Wealth destruction 2.webm 11.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/11 - Acyanotic heart diseases - 06 - Patent ductus arteriosus.webm 11.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/06 - Acyanotic heart diseases - 06 - Patent ductus arteriosus.webm 11.4 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/03 - Breathing control - 04 - Sneeze, cough, and hiccup.webm 11.4 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/03 - Breathing Control - 04 - Sneeze, cough, and hiccup.webm 11.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 06 - Generalizing with binomial coefficients (bit advanced).webm 11.4 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 07 - Why do sounds get softer_.webm 11.4 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 07 - Why do sounds get softer_.webm 11.4 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 06 - Why do sounds get softer_.webm 11.4 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 03 - Asch conformity studies (Asch line studies).webm 11.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/01 - Early Renaissance in Venice - 09 - Mantegna, Dead Christ.webm 11.4 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 05 - Conservation of energy.webm 11.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 05 - Arteriolosclerosis - part 1.webm 11.4 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 02 - Pi bonds and sp2 hybridized orbitals.webm 11.4 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 04 - Milankovitch cycles precession and obliquity.webm 11.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 08 - Genetic shift in flu.webm 11.4 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 02 - Birch reduction II.webm 11.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 04 - Degas, Visit to a Museum.webm 11.4 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/05 - Emotion - 03 - Autonomic nervous system (ANS) and physiologic markers of emotion.webm 11.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/12 - Emotion - 03 - Autonomic nervous system (ANS) and physiologic markers of emotion.webm 11.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/08 - Giles Shih - President and CEO of BioResource International - 01 - Giles Shih - President and CEO of BioResource International.webm 11.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/07 - Mendelian genetics - 01 - An Introduction to Mendelian Genetics.webm 11.4 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 03 - Hydration.webm 11.4 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/02 - Introduction to triangle similarity - 02 - Triangle similarity postulates_criteria.webm 11.4 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/02 - Introduction to triangle similarity - 02 - Triangle similarity postulates_criteria.webm 11.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/15 - Dave Gilboa and Neil Blumenthal - Co-founders and Co-CEOs of Warby Parker - 03 - Starting and staying in business with friends.webm 11.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 03 - Regulation of Krebs-TCA cycle.webm 11.4 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/12 - Maya, Aztec, and Inca - 01 - Aztec Empire.webm 11.4 MB
Math by grade/10 - High school/03 - Mathematics III - 11 - Normal distributions/01 - Normal distributions - 02 - Qualitative sense of normal distributions (from ck12.org).webm 11.4 MB
Math by grade/10 - High school/07 - High school statistics - 07 - Normal distributions/01 - Normal distributions - 02 - Qualitative sense of normal distributions (from ck12.org).webm 11.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 04 - Ed Kienholz and Nancy Reddin Kienholz Useful Art #5_ The Western Hotel.webm 11.4 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/01 - Chirality - 04 - Chiral vsachiral.webm 11.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 02 - Chiral vsachiral.webm 11.4 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 04 - Relationship between bond prices and interest rates.webm 11.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 10 - Hypoplastic left heart syndrome and norwood glenn fontan.webm 11.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 10 - Hypoplastic left heart syndrome and norwood glenn fontan.webm 11.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 08 - Bailout 8_ Systemic risk.webm 11.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 09 - Bailout 8_ Systemic risk.webm 11.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 05 - Pulmonary TB.webm 11.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 05 - Pulmonary TB.webm 11.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 02 - Valvular heart disease causes.webm 11.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 02 - Valvular heart disease causes.webm 11.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 04 - World War II in the Pacific in 1942.webm 11.4 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/05 - World War II - 05 - World War II in the Pacific in 1942.webm 11.4 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/05 - World War II - 05 - World War II in the Pacific in 1942.webm 11.4 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/02 - Non-ideal gas behavior - 02 - Van der Waals equation.webm 11.3 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 08 - Van der Waals equation.webm 11.3 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/03 - Acceleration - 04 - Why distance is area under velocity-time line.webm 11.3 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/03 - Acceleration - 04 - Why distance is area under velocity-time line.webm 11.3 MB
Test prep/02 - MCAT - 08 - Physical processes/03 - Acceleration - 04 - Why distance is area under velocity-time line.webm 11.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 02 - Modigliani, Young Woman in a Shirt.webm 11.3 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 03 - S. America before European colonization/04 - Moche culture - 02 - Moche Portrait Head Bottle.webm 11.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 07 - Gene mapping.webm 11.3 MB
Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/02 - Why parties in a cartel will cheat - 01 - Why parties to cartels cheat.webm 11.3 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/03 - Limiting reagent stoichiometry - 04 - 2015 AP Chemistry free response 2a (part 2_2) and b.webm 11.3 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 06 - 2015 AP Chemistry free response 2a (part 2_2) and b.webm 11.3 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/03 - Limiting reagent stoichiometry - 04 - 2015 AP Chemistry free response 2a (part 2_2) and b.webm 11.3 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 06 - 2015 AP Chemistry free response 2a (part 2_2) and b.webm 11.3 MB
Science & engineering/01 - Physics - 16 - Special relativity/03 - Lorentz transformation - 02 - Evaluating a Lorentz transformation.webm 11.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 07 - Fischer projections.webm 11.3 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 04 - North Africa/01 - Algeria and Libya - 01 - Rock-Art Sites of Tadrart Acacus (UNESCO_NHK).webm 11.3 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 08 - Spin-spin splitting (coupling).webm 11.3 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 08 - Spin-spin splitting (coupling).webm 11.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 03 - Currency effect on trade review.webm 11.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 10 - Munch, The Storm.webm 11.3 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 06 - Preparation of amides using DCC.webm 11.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 06 - Preparation of amides using DCC.webm 11.3 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 01 - Chemical reactions introduction.webm 11.3 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/01 - Balancing chemical equations - 01 - Chemical reactions introduction.webm 11.3 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/03 - Chemical bonds and reactions - 05 - Chemical reactions introduction.webm 11.3 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/03 - Chemical bonds and reactions - 05 - Chemical reactions introduction.webm 11.3 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 02 - Alkane and cycloalkane nomenclature II.webm 11.3 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 02 - Alkane and cycloalkane nomenclature II.webm 11.3 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/03 - Bond-line structures - 03 - Three-dimensional bond-line structures.webm 11.3 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/05 - Theorems concerning quadrilateral properties - 04 - Proof_ The diagonals of a kite are perpendicular.webm 11.3 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 08 - Treating type II diabetes - Pharmacology.webm 11.3 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 09 - Treating type II diabetes - Pharmacology.webm 11.3 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 08 - Treating type II diabetes - Pharmacology.webm 11.3 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 09 - Treating type II diabetes - Pharmacology.webm 11.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 06 - ROA discussion 1.webm 11.3 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 08 - Proof_ Field from infinite plate (part 2).webm 11.3 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 08 - Proof_ Field from infinite plate (part 2).webm 11.3 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 08 - Proof_ Field from infinite plate (part 2).webm 11.3 MB
Science & engineering/11 - Electrical engineering - 05 - Electrostatics/02 - Fields, potential, and voltage - 02 - Proof_ Field from infinite plate (part 2).webm 11.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 07 - Bronzino and the Mannerist Portrait.webm 11.3 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 02 - Loop block.webm 11.3 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 02 - Intro to arctangent.webm 11.3 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 02 - Intro to arctangent.webm 11.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 08 - The ischemic cascade in stroke.webm 11.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 08 - The ischemic cascade in stroke.webm 11.3 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 03 - Stellar distance using parallax.webm 11.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 17 - Treatment of stroke with interventions.webm 11.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 17 - Treatment of stroke with interventions.webm 11.3 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 07 - How art can help you analyze.webm 11.3 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/10 - Lara Morgan - Founder of Pacific Direct - 01 - Lara Morgan - Founder of Pacific Direct.webm 11.3 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/18 - Toby Rush - CEO and Founder of EyeVerify - 02 - Staying grounded.webm 11.3 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 05 - First-order reaction example.webm 11.3 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 05 - First-order reaction example.webm 11.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 08 - First-order reaction example.webm 11.3 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 11 - Social movements.webm 11.2 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 13 - Mass spectrometer.webm 11.2 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 06 - Bohr model energy levels (derivation using physics).webm 11.2 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 06 - Bohr model energy levels (derivation using physics).webm 11.2 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 05 - Bohr model energy levels (derivation using physics).webm 11.2 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 05 - Bohr model energy levels (derivation using physics).webm 11.2 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 04 - Bohr model energy levels (derivation using physics).webm 11.2 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 03 - Perfect inelasticity and perfect elasticity of demand.webm 11.2 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 17 - Inflammation.webm 11.2 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 05 - Scale of distance to closest stars.webm 11.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 21 - Power connector for the Arduino.webm 11.2 MB
Arts and humanities/02 - US history - 04 - The road to revolution (1754-1800)/02 - Creating a nation - 03 - The US Constitution.webm 11.2 MB
Arts and humanities/03 - AP US History - 04 - Period 3_ 1754-1800/02 - Creating a nation - 03 - The US Constitution.webm 11.2 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 03 - Leukemia pathophysiology.webm 11.2 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 03 - Leukemia pathophysiology.webm 11.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/14 - Bronchiolitis - 04 - Bronchiolitis treatment.webm 11.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 04 - Bronchiolitis treatment.webm 11.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 12 - Diabetic nephropathy - Mechanisms.webm 11.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 13 - Diabetic nephropathy - Mechanisms.webm 11.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 12 - Diabetic nephropathy - Mechanisms.webm 11.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 13 - Diabetic nephropathy - Mechanisms.webm 11.2 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 03 - Henry's law.webm 11.2 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 05 - Henry's law.webm 11.2 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 05 - Henry's law.webm 11.2 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 03 - Henry's law.webm 11.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 03 - TB pathogenesis.webm 11.2 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 03 - TB pathogenesis.webm 11.2 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 21 - Expansion of presidential power.webm 11.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 07 - Heart attack (myocardial infarction) interventions and treatment.webm 11.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 07 - Heart attack (myocardial infarction) interventions and treatment.webm 11.2 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 07 - Acid and base-catalyzed hydrolysis of amides.webm 11.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 07 - Acid and base-catalyzed hydrolysis of amides.webm 11.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 18 - Gentileschi, Judith and Holofernes.webm 11.2 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 03 - Elimination vs substitution_secondary substrate.webm 11.2 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/05 - England (Constable, Turner, Martin and Nash) - 02 - Turner, Slave Ship.webm 11.2 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 03 - AP US History short answer example 1.webm 11.2 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 03 - AP US History short answer example 1.webm 11.2 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 05 - Types of cerebral palsy part 2 - Dyskinetic and ataxic.webm 11.2 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 05 - Types of cerebral palsy part 2 - Dyskinetic and ataxic.webm 11.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/03 - Western and Eastern fronts of World War I - 06 - Technology in World War I.webm 11.2 MB
Math by grade/10 - High school/03 - Mathematics III - 11 - Normal distributions/01 - Normal distributions - 01 - Normal distribution problems_ Empirical rule (from ck12.org).webm 11.2 MB
Math by grade/10 - High school/07 - High school statistics - 07 - Normal distributions/01 - Normal distributions - 01 - Normal distribution problems_ Empirical rule (from ck12.org).webm 11.2 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/08 - Giles Shih - President and CEO of BioResource International - 02 - Giles Shih - The importance of education.webm 11.2 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/15 - Dave Gilboa and Neil Blumenthal - Co-founders and Co-CEOs of Warby Parker - 01 - A fix for a broken industry.webm 11.2 MB
Math by grade/07 - 6th - 09 - Data and statistics/02 - Statistical questions - 01 - Statistical questions.webm 11.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/02 - Sumerian - 02 - Standing Male Worshipper from Tell Asmar.webm 11.2 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 07 - Trait theory.webm 11.2 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 05 - Buffer solution pH calculations.webm 11.2 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 05 - Buffer solution pH calculations.webm 11.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 13 - Buffer solution pH calculations.webm 11.2 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 07 - Aromatic heterocycles II.webm 11.2 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 04 - Relative stability of amides, esters, anhydrides, and acyl chlorides.webm 11.2 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/07 - Treating systems - 02 - Treating systems (the easy way).webm 11.2 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/07 - Treating systems - 02 - Treating systems (the easy way).webm 11.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/14 - Carbohydrate Metabolism - 05 - Regulation of glycolysis and gluconeogenesis.webm 11.2 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 05 - Common and systematic naming_ iso-, sec-, and tert- prefixes.webm 11.2 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 05 - Common and systematic naming_ iso-, sec-, and tert- prefixes.webm 11.2 MB
Science & engineering/01 - Physics - 16 - Special relativity/03 - Lorentz transformation - 04 - Lorentz transformation derivation part 1.webm 11.2 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/03 - Coin detector - 04 - Switch statements and logic.webm 11.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 05 - Switch statements and logic.webm 11.1 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 01 - The fundamental theorem of arithmetic.webm 11.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 01 - What is gastroenteritis_.webm 11.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 02 - What is gastroenteritis_.webm 11.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 01 - What is gastroenteritis_.webm 11.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 02 - What is gastroenteritis_.webm 11.1 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/05 - Modeling situations by combining and composing functions - 02 - Modeling with composite functions.webm 11.1 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/05 - Modeling situations by combining and composing functions - 02 - Modeling with composite functions.webm 11.1 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 07 - Population dynamics.webm 11.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 05 - Masaccio, Expulsion of Adam and Eve from Eden.webm 11.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 05 - Left ventricular volume vs. time.webm 11.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 05 - Left ventricular volume vs. time.webm 11.1 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/03 - Shifting functions - 01 - Shifting functions.webm 11.1 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/03 - Shifting functions - 01 - Shifting functions.webm 11.1 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 06 - Vygotsky sociocultural development.webm 11.1 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 07 - Treating type I diabetes.webm 11.1 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 08 - Treating type I diabetes.webm 11.1 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 07 - Treating type I diabetes.webm 11.1 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 08 - Treating type I diabetes.webm 11.1 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 11 - RC step response solve (2 of 3).webm 11.1 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/02 - The South after the Civil War - 01 - The origins of Jim Crow - introduction.webm 11.1 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/02 - The South after the Civil War - 01 - The origins of Jim Crow - introduction.webm 11.1 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 07 - Getting to know Beth.webm 11.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/03 - Late Victorian - 01 - Leighton, an Athlete Wrestling with a Python.webm 11.1 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/10 - Hyperbolas not centered at the origin - 01 - Equation of a hyperbola not centered at the origin.webm 11.1 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 18 - LC natural response derivation 2.webm 11.1 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 01 - Alveolar gas equation - part 1.webm 11.1 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 01 - Alveolar gas equation - part 1.webm 11.1 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 05 - Inflation, deflation, and capacity utilization 2.webm 11.1 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 06 - Primaries and caucuses.webm 11.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 04 - Compensation and decompensation in heart failure.webm 11.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 04 - Compensation and decompensation in heart failure.webm 11.1 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 06 - Magnetic force on a proton example (part 2).webm 11.1 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 06 - Magnetic force on a proton example (part 2).webm 11.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 02 - Definition of Amplitude and Period.webm 11.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 02 - Definition of Amplitude and Period.webm 11.1 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 19 - IIT JEE symmetric and skew-symmetric matrices.webm 11.1 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 05 - Star field and nebula images.webm 11.1 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 06 - Testing for the flu.webm 11.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 19 - GMAT_ Math 19.webm 11.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 11 - Aldosterone and ADH.webm 11.1 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 09 - Aldosterone and ADH.webm 11.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 11 - Aldosterone and ADH.webm 11.1 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 09 - Aldosterone and ADH.webm 11.1 MB
Computing/04 - Computer animation - 07 - Patterns/02 - Painting with randomness - 05 - Painting your dino skin.webm 11.1 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 07 - Cross elasticity of demand.webm 11.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 06 - Gustave Caillebotte, Paris Street; Rainy Day.webm 11.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/03 - Western and Eastern fronts of World War I - 01 - Schlieffen Plan and the First Battle of the Marne.webm 11.1 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/03 - Stereoisomeric relationships - 01 - Stereoisomers, enantiomers, diastereomers, constitutional isomers and meso compounds.webm 11.1 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 01 - Alkane and cycloalkane nomenclature I.webm 11.1 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 01 - Alkane and cycloalkane nomenclature I.webm 11.1 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 07 - Icon of the Triumph of Orthodoxy.webm 11.1 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/11 - Empires form in India - 02 - Gupta Dynasty.webm 11.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 02 - Digestion, Mobilization, and Transport of Fats - Part I.webm 11.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 06 - Decibel Scale.webm 11.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 06 - Decibel Scale.webm 11.1 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 05 - Decibel Scale.webm 11.1 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 08 - A universe smaller than the observable.webm 11.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/10 - Evolution and population dynamics - 02 - Fitness and fecundity.webm 11.1 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 06 - Space station speed in orbit.webm 11.1 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 06 - Space station speed in orbit.webm 11.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 06 - Bailout 6_ Getting an equity infusion.webm 11.0 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 07 - Bailout 6_ Getting an equity infusion.webm 11.0 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/02 - Historical circumstances explained by AD_AS - 01 - Demand-pull inflation under Johnson.webm 11.0 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/03 - The business cycle - 01 - The business cycle.webm 11.0 MB
Science & engineering/08 - Biology - 05 - Macromolecules/05 - Proteins - 04 - Tertiary structure of proteins.webm 11.0 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/05 - Proteins - 04 - Tertiary structure of proteins.webm 11.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 15 - Burne-Jones, Hope.webm 11.0 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/01 - Sectional tension in the 1850s - 01 - Uncle Tom's Cabin - influence of the Fugitive Slave Act.webm 11.0 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/01 - Sectional tension in the 1850s - 01 - Uncle Tom's Cabin - influence of the Fugitive Slave Act.webm 11.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 06 - Richard Serra, 'Torqued Ellipse IV'.webm 11.0 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 07 - Symmetric and asymmetric stretching.webm 11.0 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 07 - Symmetric and asymmetric stretching.webm 11.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 04 - Lipids - Structure in cell membranes.webm 11.0 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 06 - Buoyant force example problems edited.webm 11.0 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/01 - The Gilded Age - 01 - Introduction to the Gilded Age.webm 11.0 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/01 - The Gilded Age - 01 - Introduction to the Gilded Age.webm 11.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 10 - Graphing rational functions 4.webm 11.0 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 10 - Graphing rational functions 4.webm 11.0 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 09 - Electric power.webm 11.0 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 09 - Electric power.webm 11.0 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 05 - Modeling with systems of inequalities.webm 11.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/08 - Cardiomyopathy - 01 - What is cardiomyopathy_.webm 11.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/09 - Cardiomyopathy - 01 - What is cardiomyopathy_.webm 11.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 07 - Mesh current method (steps 1 to 3).webm 11.0 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/18 - Toby Rush - CEO and Founder of EyeVerify - 01 - University scientist meets entrepreneur.webm 11.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 01 - Simple and fractional distillations.webm 11.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 08 - Blood pressure changes over time.webm 11.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 08 - Blood pressure changes over time.webm 11.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/04 - Central Italy - 01 - Piero della Francesca, The Baptism of Christ.webm 11.0 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 08 - GMAT_ Data sufficiency 8.webm 11.0 MB
Arts and humanities/01 - World history - 06 - The 20th century/12 - The Cold War - 07 - Pattern of US Cold War interventions.webm 11.0 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 03 - What happens when housing depreciates.webm 11.0 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 07 - Bitcoin_ Transaction block chains.webm 11.0 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 06 - Trig challenge problem_ multiple constraints.webm 11.0 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 28 - Trig challenge problem_ multiple constraints.webm 11.0 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/02 - Types of prepositions and phrases - 01 - Compound prepositions.webm 11.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 08 - Mitral stenosis.webm 11.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 08 - Mitral stenosis.webm 11.0 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 01 - Symbol rate.webm 11.0 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 10 - Sn1 carbocation rearrangement (advanced).webm 11.0 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 08 - IR signals for carbonyl compounds.webm 11.0 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 08 - IR signals for carbonyl compounds.webm 11.0 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 03 - Ideal gas equation example 1.webm 11.0 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 03 - Ideal gas equation example 1.webm 11.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/12 - Lymphatic system introduction - 01 - Why we need a lymphatic system.webm 11.0 MB
Test prep/02 - MCAT - 07 - Organ systems/10 - Lymphatic system - 01 - Why we need a lymphatic system.webm 11.0 MB
Test prep/05 - NCLEX-RN - 09 - Lymphatic system physiology/01 - Lymphatic system - 01 - Why we need a lymphatic system.webm 11.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 08 - Equestrian Sculpture of Marcus Aurelius.webm 11.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 09 - Equestrian Sculpture of Marcus Aurelius.webm 11.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 10 - Equestrian Sculpture of Marcus Aurelius.webm 11.0 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/05 - Introduction to the trigonometric ratios - 02 - Trigonometric ratios in right triangles.webm 11.0 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/04 - Introduction to the trigonometric ratios - 02 - Trigonometric ratios in right triangles.webm 11.0 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/04 - Introduction to the trigonometric ratios - 03 - Trigonometric ratios in right triangles.webm 11.0 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/01 - Introduction to the trigonometric ratios - 02 - Trigonometric ratios in right triangles.webm 11.0 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/01 - Introduction to the trigonometric ratios - 03 - Trigonometric ratios in right triangles.webm 11.0 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 03 - Credit default swaps 2.webm 11.0 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 10 - Credit default swaps 2.webm 11.0 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 05 - GMAT_ Data sufficiency 5.webm 11.0 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 03 - Titration of a strong acid with a strong base.webm 11.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 03 - Titration of a strong acid with a strong base.webm 11.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 03 - Titration of a strong acid with a strong base.webm 11.0 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 04 - Sp hybridization.webm 11.0 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/03 - Hybridization and hybrid orbitals - 04 - Sp hybridization.webm 11.0 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 06 - Sp hybridization.webm 11.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 07 - Sp hybridization.webm 11.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 19 - Guercino, Saint Luke Displaying a Painting of the Virgin.webm 11.0 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/13 - Graphing sinusoidal functions - 01 - Transforming sinusoidal graphs_ vertical stretch and horizontal reflection.webm 11.0 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/10 - Graphing sinusoidal functions - 01 - Transforming sinusoidal graphs_ vertical stretch and horizontal reflection.webm 11.0 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/05 - Graphing sinusoidal functions - 01 - Transforming sinusoidal graphs_ vertical stretch and horizontal reflection.webm 11.0 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 03 - Iron deficency anemia diagnosis.webm 11.0 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 03 - Iron deficency anemia diagnosis.webm 11.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/02 - Dada - 05 - Duchamp, Boite-en-valise (the red box), series F.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/07 - Black-Scholes formula - 01 - Introduction to the Black-Scholes formula.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 03 - Bailout 3_ Book value vs. market value.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 04 - Bailout 3_ Book value vs. market value.webm 10.9 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 05 - Electronegativity and chemical shift.webm 10.9 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 05 - Electronegativity and chemical shift.webm 10.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 14 - 5 common flu vaccine excuses.webm 10.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 10 - ADH effects on blood pressure.webm 10.9 MB
Test prep/02 - MCAT - 07 - Organ systems/13 - Renal regulation of blood pressure - 08 - ADH effects on blood pressure.webm 10.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 10 - ADH effects on blood pressure.webm 10.9 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/02 - Renal regulation of blood pressure - 08 - ADH effects on blood pressure.webm 10.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 01 - Nucleic acid structure 1.webm 10.9 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/14 - LaKeshia Grant - CEO and Founder of Virtual Enterprise Architects - 01 - Being Heard and Giving Others a Voice.webm 10.9 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 06 - Newton's third law of motion.webm 10.9 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 06 - Newton's third law of motion.webm 10.9 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 05 - Newton's third law of motion.webm 10.9 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/03 - Style! - 04 - Irony.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 11 - Banking 11_ A reserve bank.webm 10.9 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/02 - Bleeding and impaired hemostasis - 04 - Anticoagulation and thrombolysis.webm 10.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 18 - Preventing further strokes.webm 10.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 18 - Preventing further strokes.webm 10.9 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/02 - Understanding the binomial theorem - 03 - Binomial expansion and combinatorics (old).webm 10.9 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/02 - Understanding the binomial theorem - 03 - Binomial expansion and combinatorics (old).webm 10.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 06 - Diagnosing HIV - Concepts and tests.webm 10.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 06 - Diagnosing HIV - Concepts and tests.webm 10.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/10 - Heart valve diseases - 03 - How to identify murmurs.webm 10.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/12 - Heart valve diseases - 03 - How to identify murmurs.webm 10.9 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 05 - Cosmic background radiation.webm 10.9 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 03 - Synthesis of alcohols using Grignard reagents I.webm 10.9 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 04 - Induced current in a wire.webm 10.9 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 04 - Induced current in a wire.webm 10.9 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 05 - Small x approximation for small Kc.webm 10.9 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/01 - Equilibrium constant - 05 - Small x approximation for small Kc.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/03 - Credit cards and loans - 02 - Institutional roles in issuing and processing credit cards.webm 10.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 02 - Giorgione, Three Philosophers.webm 10.9 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 02 - Acid chloride formation.webm 10.9 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/02 - Quasars and galactive collisions - 01 - Quasars.webm 10.9 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/03 - Acceleration - 01 - Acceleration.webm 10.9 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/03 - Acceleration - 01 - Acceleration.webm 10.9 MB
Test prep/02 - MCAT - 08 - Physical processes/03 - Acceleration - 01 - Acceleration.webm 10.9 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 03 - Bouncing fruit collision example.webm 10.9 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 03 - Bouncing fruit collision example.webm 10.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/04 - Early classical - 03 - Charioteer of Delphi.webm 10.9 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 06 - Standard change in free energy and the equilibrium constant.webm 10.9 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 06 - Standard change in free energy and the equilibrium constant.webm 10.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/19 - Equilibrium - 04 - Standard change in free energy and the equilibrium constant.webm 10.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/01 - Hindu art and culture, an introduction - 02 - The Hindu deity Shiva.webm 10.9 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 08 - Heisenberg uncertainty principle.webm 10.9 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/02 - Time scale of the cosmos - 01 - Cosmological time scale 1.webm 10.9 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.9 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.9 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.9 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 04 - Why Europe is worried about Greece.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/05 - European Union - 06 - Why Europe is worried about Greece.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 07 - ROA discussion 2.webm 10.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 08 - Bitcoin_ The money supply.webm 10.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/07 - Cranach and Altdorfer - 03 - Cranach the Elder, Judith with the Head of Holofernes.webm 10.9 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/05 - Types of chemical reactions - 01 - Introduction to redox reactions.webm 10.9 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 05 - Introduction to redox reactions.webm 10.9 MB
Science & engineering/06 - AP Chemistry - 03 - Chemical reactions/01 - Types of chemical reactions - 01 - Introduction to redox reactions.webm 10.9 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 05 - Introduction to redox reactions.webm 10.9 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 13 - Proton NMR practice 1.webm 10.9 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 13 - Proton NMR practice 1.webm 10.9 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 01 - What is diabetes mellitus_.webm 10.9 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 02 - What is diabetes mellitus_.webm 10.9 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 01 - What is diabetes mellitus_.webm 10.9 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 02 - What is diabetes mellitus_.webm 10.9 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 03 - Becoming a red giant.webm 10.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 09 - Manet, The Railway.webm 10.9 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/04 - Cepheid variables - 01 - Cepheid variables 1.webm 10.9 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 03 - Resistors in parallel.webm 10.9 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 03 - Resistors in parallel.webm 10.9 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 03 - Resistors in parallel.webm 10.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 15 - Robert Motherwell, Elegy to the Spanish Republic No. 57.webm 10.9 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 08 - Historiated capitals, Church of Sant Miquel, Camarasa (Noguera).webm 10.8 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 02 - A capacitor integrates current.webm 10.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 05 - Raphael, Alba Madonna.webm 10.8 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/05 - Myeloproliferative disorders - 05 - What is primary myelofibrosis_.webm 10.8 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/05 - Myeloproliferative disorders - 05 - What is primary myelofibrosis_.webm 10.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/08 - Pneumonia - 03 - Pulmonary abscess.webm 10.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 04 - Pulmonary abscess.webm 10.8 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 03 - Neuron graded potential description.webm 10.8 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 01 - Neuron graded potential description.webm 10.8 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 03 - Neuron graded potential description.webm 10.8 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/04 - Extracellular structures and cell-cell junctions - 01 - Extracellular matrix.webm 10.8 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/04 - Extracellular structures and cell-cell junctions - 01 - Extracellular matrix.webm 10.8 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 05 - Present value 4 (and discounted cash flow).webm 10.8 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/06 - Personal bankruptcy - 01 - Personal bankruptcy_Chapters 7 and 13.webm 10.8 MB
Arts and humanities/01 - World history - 06 - The 20th century/08 - Rise of Hitler and the Nazis - 01 - Initial rise of Hitler and the Nazis.webm 10.8 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 07 - Force vs. time graphs.webm 10.8 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 07 - Force vs. time graphs.webm 10.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 03 - Aegean art/01 - Cycladic - 01 - Harp Player, Early Cycladic period.webm 10.8 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 03 - Osteoarthritis vs rheumatoid arthritis pathophysiology.webm 10.8 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 03 - Osteoarthritis vs rheumatoid arthritis pathophysiology.webm 10.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 07 - Septic shock - pathophysiology and symptoms.webm 10.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 07 - Septic shock - pathophysiology and symptoms.webm 10.8 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 08 - Polysubstituted cyclohexane.webm 10.8 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 08 - Polysubstituted cyclohexane.webm 10.8 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 06 - Anxiety disorders and obsessive compulsive disorder.webm 10.8 MB
Science & engineering/08 - Biology - 23 - Ecology/05 - Community structure and diversity - 03 - Ecological succession.webm 10.8 MB
Science & engineering/09 - AP Biology - 24 - Ecology/05 - Community structure and diversity - 03 - Ecological succession.webm 10.8 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 10 - What is chancroid_.webm 10.8 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 10 - What is chancroid_.webm 10.8 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 02 - Plotting data for a first-order reaction.webm 10.8 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 02 - Plotting data for a first-order reaction.webm 10.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 05 - Plotting data for a first-order reaction.webm 10.8 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 01 - Origins of algebra.webm 10.8 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 05 - Parts.webm 10.8 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 01 - Earth formation.webm 10.8 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/01 - Formation of Earth and early life - 01 - Earth formation.webm 10.8 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/01 - Formation of Earth and early life - 01 - Earth formation.webm 10.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 10 - Thinking about heartbeats.webm 10.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 10 - Thinking about heartbeats.webm 10.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/05 - Blood vessels - 01 - Layers of a blood vessel.webm 10.8 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 06 - Layers of a blood vessel.webm 10.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 05 - Layers of a blood vessel.webm 10.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/05 - Blood vessels - 01 - Layers of a blood vessel.webm 10.8 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 03 - Earnings and EPS.webm 10.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 11 - Estrogen.webm 10.8 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 11 - Estrogen.webm 10.8 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 11 - Estrogen.webm 10.8 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 04 - Conformational analysis of ethane.webm 10.8 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 04 - Conformational analysis of ethane.webm 10.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/03 - Late Victorian - 02 - Alma-Tadema, Listening to Homer.webm 10.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 06 - Drawing a pressure-volume loop.webm 10.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 06 - Drawing a pressure-volume loop.webm 10.8 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/06 - T.A. McCann - Founder and CEO of Gist - 01 - T.A. McCann - Founder and CEO of Gist.webm 10.8 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 06 - Snell's law example 2.webm 10.8 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 06 - Snell's law example 2.webm 10.8 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 01 - What is information theory_.webm 10.8 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 06 - Projectile height given time.webm 10.8 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 06 - Projectile height given time.webm 10.8 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/02 - Triangle congruence - 01 - Congruent triangles and the SSS postulate_criterion.webm 10.8 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 11 - Sleep wake disorders breathing related sleep disorders.webm 10.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 03 - What lies beneath the epidermis_ (Dermis and Hypodermis).webm 10.8 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 03 - What lies beneath the epidermis_ (Dermis and Hypodermis).webm 10.8 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 03 - What lies beneath the epidermis_ (Dermis and Hypodermis).webm 10.8 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 01 - Color Science.webm 10.8 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/07 - Treating systems - 05 - Masses on incline system problem.webm 10.8 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/07 - Treating systems - 05 - Masses on incline system problem.webm 10.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 07 - Arteries vs. veins - what's the difference_.webm 10.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 07 - Arteries vs. veins - what's the difference_.webm 10.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 01 - Arteries vs. veins - what's the difference_.webm 10.8 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 07 - Arteries vs. veins - what's the difference_.webm 10.8 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 12 - Arteries vs. veins - what's the difference_.webm 10.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 06 - Arteries vs. veins - what's the difference_.webm 10.8 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 21 - Federal Reserve balance sheet.webm 10.8 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 09 - Banking 9_ More on reserve ratios (bad sound).webm 10.8 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/08 - Finding zeros of polynomials - 01 - Finding zeros of polynomials (1 of 2).webm 10.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/10 - Finding zeros of polynomials - 01 - Finding zeros of polynomials (1 of 2).webm 10.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/03 - Enzyme kinetics - 06 - Non-enzymatic protein function.webm 10.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 07 - Non-enzymatic protein function.webm 10.8 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 09 - Venturi effect and Pitot tubes.webm 10.8 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 09 - Venturi effect and Pitot tubes.webm 10.8 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 10 - Venturi effect and Pitot tubes.webm 10.8 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/01 - Square-root equations - 01 - Intro to square-root equations and extraneous solutions.webm 10.8 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/01 - Solving square-root equations - 01 - Intro to square-root equations and extraneous solutions.webm 10.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 09 - What is Tourette's_.webm 10.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 10 - What is Tourette's_.webm 10.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 09 - What is Tourette's_.webm 10.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 10 - What is Tourette's_.webm 10.8 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 07 - Review of B cells,CD4+ T cells and CD8+ T cells.webm 10.7 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 07 - Review of B cells,CD4+ T cells and CD8+ T cells.webm 10.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 07 - Review of B cells,CD4+ T cells and CD8+ T cells.webm 10.7 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 07 - Review of B cells,CD4+ T cells and CD8+ T cells.webm 10.7 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 07 - Review of B cells,CD4+ T cells and CD8+ T cells.webm 10.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/03 - Flanders - 02 - Rubens, The Rape of the Daughters of Leucippus.webm 10.7 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 07 - Halohydrin formation.webm 10.7 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 07 - Summing op-amp.webm 10.7 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 03 - Social institutions - education, family, and religion.webm 10.7 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 03 - Intro to organic mechanisms.webm 10.7 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/03 - Probability with counting, permutations, combinations - 04 - Example_ Combinatorics and probability.webm 10.7 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/04 - Probability with counting, permutations, combinations - 04 - Example_ Combinatorics and probability.webm 10.7 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 08 - Example_ Combinatorics and probability.webm 10.7 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 15 - Early methods of studying the brain.webm 10.7 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 18 - Early methods of studying the brain.webm 10.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrochemistry, thermodynamics, and equilibrium - 03 - Calculating the equilibrium constant from the standard cell potential.webm 10.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/04 - Electrochemistry, thermodynamics, and equilibrium - 03 - Calculating the equilibrium constant from the standard cell potential.webm 10.7 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 11 - Preventing an HIV infection.webm 10.7 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 11 - Preventing an HIV infection.webm 10.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 03 - Oxidation of alcohols.webm 10.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/10 - Evolution and population dynamics - 06 - Reproductive isolation.webm 10.7 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/02 - Comparative advantage and gains from trade - 02 - Comparative advantage and absolute advantage.webm 10.7 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 06 - Weak base equilibrium.webm 10.7 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 06 - Weak base equilibrium.webm 10.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 07 - Weak base equilibrium.webm 10.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 02 - Bitcoin_ Overview.webm 10.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/11 - Pressure volume loops - 07 - Understanding the pressure-volume loop.webm 10.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/11 - Pressure volume loops - 07 - Understanding the pressure-volume loop.webm 10.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 01 - The structure of the eye.webm 10.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 01 - The structure of the eye.webm 10.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 06 - Sarcomere length-tension relationship.webm 10.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 06 - Sarcomere length-tension relationship.webm 10.7 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 08 - Introduction to exponential decay.webm 10.7 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 08 - Introduction to exponential decay.webm 10.7 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 08 - Introduction to exponential decay.webm 10.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 07 - Putting it all together_ Pressure, flow, and resistance.webm 10.7 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 09 - Putting it all together_ Pressure, flow, and resistance.webm 10.7 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 14 - Putting it all together_ Pressure, flow, and resistance.webm 10.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 08 - Putting it all together_ Pressure, flow, and resistance.webm 10.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 07 - Putting it all together_ Pressure, flow, and resistance.webm 10.7 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 15 - Line and angle proofs examples.webm 10.7 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 06 - Covalent networks, metallic crystals, and ionic crystals.webm 10.7 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/01 - Types of chemical bonds - 06 - Covalent networks, metallic crystals, and ionic crystals.webm 10.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 01 - Kirchner, Street, Dresden.webm 10.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 08 - What is autism spectrum disorder_.webm 10.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 09 - What is autism spectrum disorder_.webm 10.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 08 - What is autism spectrum disorder_.webm 10.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 09 - What is autism spectrum disorder_.webm 10.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 02 - Membrane potentials - part 2.webm 10.7 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 08 - Membrane potentials - part 2.webm 10.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 02 - Membrane potentials - part 2.webm 10.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 14 - Breast anatomy and lactation.webm 10.7 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 14 - Breast anatomy and lactation.webm 10.7 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 14 - Breast anatomy and lactation.webm 10.7 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/06 - Addition rule for probability - 02 - Addition rule for probability.webm 10.7 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/07 - Addition rule for probability - 02 - Addition rule for probability.webm 10.7 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/02 - Venn diagrams and the addition rule - 02 - Addition rule for probability.webm 10.7 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 06 - Intramolecular aldol condensation.webm 10.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 09 - Intramolecular aldol condensation.webm 10.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/10 - Evolution and population dynamics - 03 - Alternative selection.webm 10.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 03 - Brunelleschi, Old Sacristy.webm 10.7 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 04 - Electrotonic and action potentials.webm 10.7 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 04 - Electrotonic and action potentials.webm 10.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 07 - Electrotonic and action potentials.webm 10.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 07 - Electrotonic and action potentials.webm 10.7 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/01 - Measuring cost of living – inflation and the consumer price index - 02 - Actual CPI-U basket of goods.webm 10.7 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 02 - AC analysis intro 2.webm 10.7 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 17 - Depression and major depressive disorder.webm 10.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 15 - Banking 15_ More on the Fed funds rate.webm 10.7 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 09 - Marriage penalty.webm 10.7 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 02 - Aldol condensation.webm 10.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 05 - Aldol condensation.webm 10.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 07 - Nanni di Banco, Four Crowned Saints.webm 10.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 05 - Bitcoin_ Transaction records.webm 10.7 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 01 - Introduction to Patterns.webm 10.7 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 07 - Hubble's law.webm 10.7 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/03 - Breathing control - 02 - Central chemoreceptors.webm 10.7 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/03 - Breathing Control - 02 - Central chemoreceptors.webm 10.7 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 06 - Cosmic background radiation 2.webm 10.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 03 - Banking 3_ Fractional reserve banking.webm 10.6 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/03 - Bond-line structures - 02 - Bond-line structures.webm 10.6 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 01 - Ideal gas equation_ PV = nRT.webm 10.6 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 01 - Ideal gas equation_ PV = nRT.webm 10.6 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 04 - Systems of equations with elimination (and manipulation).webm 10.6 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/01 - Binomial theorem - 01 - Intro to the Binomial Theorem.webm 10.6 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/01 - The binomial theorem - 01 - Intro to the Binomial Theorem.webm 10.6 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 01 - Raising money for a startup.webm 10.6 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/01 - Writing expressions - 03 - Translating expressions with parentheses.webm 10.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 08 - Type 1 and type 2 muscle fibers.webm 10.6 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 08 - Type 1 and type 2 muscle fibers.webm 10.6 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 08 - Type 1 and type 2 muscle fibers.webm 10.6 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 07 - Getting to know Brian Green.webm 10.6 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 01 - Electric potential energy.webm 10.6 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 01 - Electric potential energy.webm 10.6 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 01 - Electric potential energy.webm 10.6 MB
Science & engineering/11 - Electrical engineering - 05 - Electrostatics/02 - Fields, potential, and voltage - 03 - Electric potential energy.webm 10.6 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 06 - Electric potential energy.webm 10.6 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/03 - Keynesian cross - 03 - Keynesian cross and the multiplier.webm 10.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 16 - Banking 16_ Why target rates vs. money supply.webm 10.6 MB
Science & engineering/08 - Biology - 24 - Biodiversity and conservation/05 - Levels of biodiversity - 02 - Ecosystem biodiversity.webm 10.6 MB
Science & engineering/09 - AP Biology - 25 - Biodiversity and conservation/05 - Levels of biodiversity - 02 - Ecosystem biodiversity.webm 10.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 15 - Ablation.webm 10.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 15 - Ablation.webm 10.6 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 06 - Central Africa/03 - Gabon - 01 - Fang Reliquary Figure.webm 10.6 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/01 - Photons - 01 - Photon Energy.webm 10.6 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/01 - Photons - 01 - Photon Energy.webm 10.6 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 12 - Photon Energy.webm 10.6 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 10 - Rational choice-exchange theory.webm 10.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 23 - Motor controller connection to Arduino.webm 10.6 MB
Arts and humanities/02 - US history - 12 - Surveys of history/01 - United States history overview - 04 - Appomattox and Lincoln's assassination.webm 10.6 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 04 - Diffusing capacity of the lung for carbon monoxide (DLCO).webm 10.6 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 04 - Diffusing capacity of the lung for carbon monoxide (DLCO).webm 10.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/04 - Ptolemaic - 01 - The mummification process.webm 10.6 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 04 - E-Z system.webm 10.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 10 - E-Z system.webm 10.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 20 - Repurchase agreements (repo transactions).webm 10.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 05 - Virgin and Child with St Anne and St John the Baptist (Burlington .webm 10.6 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/10 - Humanity on earth - 04 - Firestick farming.webm 10.6 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 05 - Firestick farming.webm 10.6 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/02 - Realism in the United States - 02 - Homer, The Life Line.webm 10.6 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/01 - Intro to Euclidean geometry - 05 - Geometric definitions example.webm 10.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/03 - Sculpture - 01 - Working jade.webm 10.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/01 - Neolithic art in China - 01 - Working jade.webm 10.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/03 - Flanders - 05 - Rubens, the Consequences of War.webm 10.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 06 - Urination.webm 10.6 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 07 - Urination.webm 10.6 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 06 - Urination.webm 10.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/04 - Latin American Modernism - 03 - Diego Rivera, Calla Lilly Vendor.webm 10.5 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 09 - Formation of alcohols using hydride reducing agents.webm 10.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 12 - Formation of alcohols using hydride reducing agents.webm 10.5 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/10 - Long division of polynomials - 01 - Intro to long division of polynomials.webm 10.5 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/03 - Long division of polynomials - 01 - Intro to long division of polynomials.webm 10.5 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/01 - Romanticism in the United States - 01 - Allston, Elijah in the Desert.webm 10.5 MB
Science & engineering/01 - Physics - 16 - Special relativity/01 - Michelson and Morley's luminiferous ether experiment - 02 - Potential ways to detect an ether wind.webm 10.5 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 02 - Logarithmic scale.webm 10.5 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 02 - Logarithmic scale.webm 10.5 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/05 - Indefinite pronouns, pronoun vagueness, and emphatic pronouns - 03 - BONUS VIDEO _ Singular They.webm 10.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/02 - Dada - 02 - Art as concept_ Duchamp, In Advance of the Broken Arm.webm 10.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 06 - 'Composition in Brown and Gray,' .webm 10.5 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/03 - Quantum numbers and orbitals - 01 - Heisenberg uncertainty principle.webm 10.5 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/03 - Quantum numbers and orbitals - 01 - Heisenberg uncertainty principle.webm 10.5 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/03 - Quantum numbers and orbitals - 01 - Heisenberg uncertainty principle.webm 10.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 06 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 07 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 08 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 09 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 06 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 07 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 08 - Eutrophication and dead zones.webm 10.5 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 09 - Eutrophication and dead zones.webm 10.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/13 - Linda Jeschofnig - Co-founder of Hands-On Labs - 02 - A Passion for Science Education.webm 10.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 03 - Spider parts and tools.webm 10.5 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 05 - Investment vs. consumption 2.webm 10.5 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 09 - Black holes.webm 10.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/06 - Genetic mutations - 05 - The effects of mutations.webm 10.5 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/03 - Tour of a eukaryotic cell - 01 - Endoplasmic reticulum and Golgi bodies.webm 10.5 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/03 - Tour of a eukaryotic cell - 01 - Endoplasmic reticulum and Golgi bodies.webm 10.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 02 - Shunting in the heart.webm 10.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 02 - Shunting in the heart.webm 10.5 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 03 - Are hedge funds bad_.webm 10.5 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 14 - Concentration cell.webm 10.5 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/03 - Culture and reform in the early nineteenth century - 05 - The early temperance movement - spread and temporary decline.webm 10.5 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/03 - Culture and reform - 05 - The early temperance movement - spread and temporary decline.webm 10.5 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/15 - Comparing the rise and fall of empires - 02 - Comparison_ Fall of empires.webm 10.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 03 - Slope-intercept equation from graph.webm 10.5 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/07 - Writing slope-intercept equations - 01 - Slope-intercept equation from graph.webm 10.5 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/07 - Writing slope-intercept equations - 01 - Slope-intercept equation from graph.webm 10.5 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/01 - Photons - 03 - Photoelectric effect.webm 10.5 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/01 - Photons - 03 - Photoelectric effect.webm 10.5 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 02 - Photoelectric effect.webm 10.5 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 02 - Photoelectric effect.webm 10.5 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 01 - Photoelectric effect.webm 10.5 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/04 - Nomenclature and properties of ethers - 01 - Ether naming and introduction.webm 10.5 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 01 - Aldol reaction.webm 10.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/13 - Stress - 03 - Responding to stress.webm 10.5 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 41 - GMAT_ Math 41.webm 10.5 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/01 - Vector basics - 01 - Intro to vectors and scalars.webm 10.5 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 01 - Intro to vectors and scalars.webm 10.5 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 01 - Intro to vectors and scalars.webm 10.5 MB
Test prep/02 - MCAT - 08 - Physical processes/01 - Vectors and scalars - 01 - Intro to vectors and scalars.webm 10.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 10 - Graciela Iturbide.webm 10.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 13 - Pacemakers.webm 10.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 13 - Pacemakers.webm 10.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 06 - Emphysema treatment.webm 10.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 06 - Emphysema treatment.webm 10.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 01 - Danny O'Neill - President of The Roasterie.webm 10.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/03 - The Limbourg Brothers - 01 - Herman, Paul, and Jean de Limbourg, The Belles Heures of Jean de Franc.webm 10.5 MB
Test prep/02 - MCAT - 08 - Physical processes/01 - Vectors and scalars - 02 - Visualizing vectors in 2 dimensions.webm 10.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/08 - Cardiomyopathy - 05 - Restrictive cardiomyopathy_ Pathophysiology and diagnosis.webm 10.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/09 - Cardiomyopathy - 05 - Restrictive cardiomyopathy_ Pathophysiology and diagnosis.webm 10.5 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 03 - Non-movement symptoms of Parkinson's disease.webm 10.5 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 04 - Non-movement symptoms of Parkinson's disease.webm 10.5 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 03 - Non-movement symptoms of Parkinson's disease.webm 10.5 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 04 - Non-movement symptoms of Parkinson's disease.webm 10.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 03 - Allergic rhinitis diagnosis and treatment.webm 10.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 03 - Allergic rhinitis diagnosis and treatment.webm 10.5 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 01 - Inflation overview.webm 10.5 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 11 - Angular momentum of an extended object.webm 10.5 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 11 - Angular momentum of an extended object.webm 10.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 01 - Bailout 1_ Liquidity vs. solvency.webm 10.5 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 02 - Bailout 1_ Liquidity vs. solvency.webm 10.5 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/04 - Word problems with multiple units - 03 - Multiple units word problem_ drug dosage (advanced).webm 10.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 10 - What is ventricle fibrillation (Vfib)_.webm 10.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 10 - What is ventricle fibrillation (Vfib)_.webm 10.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 03 - Friedel-Crafts acylation.webm 10.5 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 01 - Empirical formula from mass composition edited.webm 10.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 07 - Hans Haacke_ 'A Breed Apart' in South Africa.webm 10.5 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 02 - Force of friction keeping the block stationary.webm 10.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/01 - Naming benzene derivatives - 02 - Naming benzene derivatives.webm 10.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 06 - Bacon, Triptych - August 19.webm 10.5 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 03 - GMAT_ Data sufficiency 3.webm 10.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 14 - Differentiating shock.webm 10.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 14 - Differentiating shock.webm 10.5 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 15 - Caravaggio, Crucifixion of Saint Peter.webm 10.5 MB
Arts and humanities/04 - Art history/14 - Art of Oceania - 02 - Polynesia/01 - Polynesia - 02 - Necklace (Lei Niho Palaoa), Hawai'i.webm 10.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 12 - Exocrine pancreas.webm 10.5 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 12 - Exocrine pancreas.webm 10.5 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 12 - Exocrine pancreas.webm 10.5 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 01 - Introduction to entropy.webm 10.5 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/03 - Entropy - 01 - Introduction to entropy.webm 10.5 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/02 - Laws of thermodynamics - 03 - Introduction to entropy.webm 10.5 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/02 - Laws of thermodynamics - 03 - Introduction to entropy.webm 10.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/01 - Anemia - 02 - Anemia pathophysiology.webm 10.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/01 - Anemia - 02 - Anemia pathophysiology.webm 10.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 01 - Price and market capitalization.webm 10.5 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/06 - Graphs of sine, cosine, and tangent - 02 - Graph of y=tan(x).webm 10.4 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/03 - The graphs of sine, cosine, and tangent - 02 - Graph of y=tan(x).webm 10.4 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/03 - The graphs of sine, cosine, and tangent - 02 - Graph of y=tan(x).webm 10.4 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/01 - The graphs of sine, cosine, and tangent - 02 - Graph of y=tan(x).webm 10.4 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/07 - Treating systems - 03 - Two masses hanging from a pulley.webm 10.4 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/07 - Treating systems - 03 - Two masses hanging from a pulley.webm 10.4 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/02 - UV_Vis Spectroscopy - 01 - UV_Vis spectroscopy.webm 10.4 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 10 - UV_Vis spectroscopy.webm 10.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/07 - Malaria - 03 - Treatment of malaria.webm 10.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/04 - Malaria - 03 - Treatment of malaria.webm 10.4 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 02 - Microcytic anemia.webm 10.4 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 02 - Microcytic anemia.webm 10.4 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/14 - Constructing sinusoidal functions - 02 - Trig word problem_ modeling daily temperature.webm 10.4 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/11 - Constructing sinusoidal functions - 02 - Trig word problem_ modeling daily temperature.webm 10.4 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/06 - Constructing sinusoidal functions - 02 - Trig word problem_ modeling daily temperature.webm 10.4 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/01 - Perfect competition - 01 - Perfect competition.webm 10.4 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/09 - Standard form - 01 - Intro to linear equation standard form.webm 10.4 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/09 - Standard form - 01 - Intro to linear equation standard form.webm 10.4 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/01 - Circle basics - 01 - Circles glossary.webm 10.4 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/01 - Circle basics - 01 - Circles glossary.webm 10.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 10 - Banking 10_Introduction to leverage (bad sound).webm 10.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 03 - Giorgione, the Adoration of the Shepherds.webm 10.4 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 01 - Self concept, self identity, and social identity.webm 10.4 MB
Test prep/02 - MCAT - 12 - Individuals and society/03 - Attributing behavior to persons or situations - 02 - Self concept, self identity, and social identity.webm 10.4 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/07 - Imperialism - 02 - Opium Wars_ World History _ Khan Academy.webm 10.4 MB
Test prep/02 - MCAT - 11 - Behavior/03 - Behavior and genetics - 01 - Temperament, heredity, and genes.webm 10.4 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 01 - Electrophilic aromatic substitution.webm 10.4 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 02 - Quantum Wavefunction.webm 10.4 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 02 - Quantum Wavefunction.webm 10.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 02 - Banking 2_ A bank's income statement.webm 10.4 MB
Math by grade/10 - High school/03 - Mathematics III - 10 - Binomial probability/01 - Binomial probability - 01 - Binomial probability example.webm 10.4 MB
Math by grade/10 - High school/07 - High school statistics - 06 - Binomial probability/01 - Binomial probability - 01 - Binomial probability example.webm 10.4 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/01 - Hydrogen bonding in water - 02 - Water as a solvent.webm 10.4 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/01 - Hydrogen bonding in water - 02 - Water as a solvent.webm 10.4 MB
Math by grade/09 - 8th - 01 - Numbers and operations/09 - Scientific notation intro - 02 - Scientific notation examples.webm 10.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 01 - Banking 1.webm 10.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 09 - Klimt, Death and Life.webm 10.4 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 01 - Big bang introduction.webm 10.4 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 02 - Getting a seed round from a VC.webm 10.4 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 09 - Emission spectrum of hydrogen.webm 10.4 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 09 - Emission spectrum of hydrogen.webm 10.4 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 08 - Emission spectrum of hydrogen.webm 10.4 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 08 - Emission spectrum of hydrogen.webm 10.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 01 - Pietà (marble sculpture).webm 10.4 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 03 - Scale of earth and sun.webm 10.4 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 02 - Keto-enol tautomerization (by Jay).webm 10.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/13 - Carbohydrates - 05 - Keto-enol tautomerization (by Jay).webm 10.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/11 - Carbohydrates - 05 - Keto-enol tautomerization (by Jay).webm 10.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 01 - Keto-enol tautomerization (by Jay).webm 10.4 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 01 - Hair simulation overview.webm 10.4 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 01 - What is epiglottitis_.webm 10.4 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 01 - What is epiglottitis_.webm 10.4 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 05 - Saltatory conduction in neurons.webm 10.4 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 05 - Saltatory conduction in neurons.webm 10.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 08 - Saltatory conduction in neurons.webm 10.4 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 08 - Saltatory conduction in neurons.webm 10.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/02 - Pottery - 06 - Attic Black-Figure_ Exekias,Dionysos Kylix.webm 10.4 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 01 - Production possibilities frontier.webm 10.4 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 01 - Oxidation of alcohols I_ Mechanism and oxidation states.webm 10.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/06 - Germany - 04 - Friedrich, Woman at a Window.webm 10.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 01 - Giorgio de Chirico, 'The Anxious .webm 10.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 05 - Life and times of RBCs and platelets.webm 10.3 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 05 - Life and times of RBCs and platelets.webm 10.3 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 07 - Life and times of RBCs and platelets.webm 10.3 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/06 - Compound inequalities - 05 - Compound inequalities examples.webm 10.3 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/05 - Compound inequalities - 05 - Compound inequalities examples.webm 10.3 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 04 - Piketty's two drivers of divergence.webm 10.3 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 01 - Graphing rational functions according to asymptotes.webm 10.3 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 01 - Graphing rational functions according to asymptotes.webm 10.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 06 - Sinusitis diagnosis and treatment.webm 10.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 06 - Sinusitis diagnosis and treatment.webm 10.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/02 - Cambodia - 01 - Angkor (UNESCO_TBS).webm 10.3 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 04 - Leukemia diagnosis.webm 10.3 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 04 - Leukemia diagnosis.webm 10.3 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 04 - Multiple sclerosis pathophysiology.webm 10.3 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 04 - Multiple sclerosis pathophysiology.webm 10.3 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 05 - Multiple sclerosis pathophysiology.webm 10.3 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 01 - Rent control and deadweight loss.webm 10.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 08 - Chapter 7_ Bankruptcy liquidation.webm 10.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/10 - Corporate bankruptcy - 01 - Chapter 7_ Bankruptcy liquidation.webm 10.3 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 05 - Standing waves in closed tubes.webm 10.3 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 05 - Standing waves in closed tubes.webm 10.3 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 09 - Standing waves in closed tubes.webm 10.3 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 02 - Ice accelerating down an incline.webm 10.3 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 02 - Ice accelerating down an incline.webm 10.3 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 03 - Ice accelerating down an incline.webm 10.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 13 - Pathophysiology of herpes.webm 10.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 13 - Pathophysiology of herpes.webm 10.3 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 01 - Nomenclature and properties of acyl (acid) halides and acid anhy.webm 10.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 01 - Nomenclature and properties of acyl (acid) halides and acid anhydrides.webm 10.3 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 03 - Detectable civilizations in our galaxy 3.webm 10.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 26 - GMAT_ Math 26.webm 10.3 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/07 - Absolute value and angle of complex numbers - 02 - Absolute value and angle of complex numbers.webm 10.3 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/07 - Nucleophilic aromatic substitution - 02 - Nucleophilic aromatic substitution II.webm 10.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 11 - Lippi, Portrait of a Man and Woman at a Casement.webm 10.3 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 04 - Titration of a strong acid with a strong base (continued).webm 10.3 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 04 - Titration of a strong acid with a strong base (continued).webm 10.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 04 - Titration of a strong acid with a strong base (continued).webm 10.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/04 - England (Blake and Fuseli) - 03 - Room_ William Blake.webm 10.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/01 - Hindu art and culture, an introduction - 04 - The Hindu deity Ganesha.webm 10.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 02 - Flow through the heart.webm 10.3 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 02 - Flow through the heart.webm 10.3 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/04 - Fetal circulation - 03 - Flow through the heart.webm 10.3 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 03 - Flow through the heart.webm 10.3 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 02 - Flow through the heart.webm 10.3 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/04 - Fetal circulation - 03 - Flow through the heart.webm 10.3 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 08 - Epoxide formation and anti dihydroxylation.webm 10.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/05 - Van Eyck - 04 - Jan van Eyck, The Madonna in the Church.webm 10.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 10 - Flu shift and drift.webm 10.3 MB
Math by grade/08 - 7th - 06 - Geometry/01 - Area and circumference of circles - 01 - Radius, diameter, circumference and π.webm 10.3 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/01 - Circle basics - 02 - Radius, diameter, circumference and π.webm 10.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 11 - Radius, diameter, circumference and π.webm 10.3 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/01 - Circle basics - 02 - Radius, diameter, circumference and π.webm 10.3 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/01 - Creating and interpreting scatterplots - 03 - Example_ Correlation coefficient intuition.webm 10.3 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/01 - Creating and interpreting scatterplots - 03 - Example_ Correlation coefficient intuition.webm 10.3 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 08 - Complex numbers.webm 10.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 07 - Electron carrier molecules.webm 10.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 09 - Reproductive cycle graph - Follicular phase.webm 10.3 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 09 - Reproductive cycle graph - Follicular phase.webm 10.3 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 09 - Reproductive cycle graph - Follicular phase.webm 10.3 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 01 - Economics of a cupcake factory.webm 10.3 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 07 - Thomas Malthus and population growth.webm 10.3 MB
Science & engineering/08 - Biology - 23 - Ecology/03 - Population growth and regulation - 04 - Thomas Malthus and population growth.webm 10.3 MB
Science & engineering/09 - AP Biology - 24 - Ecology/03 - Population growth and regulation - 04 - Thomas Malthus and population growth.webm 10.3 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 10 - Ethnocentrism and cultural relativism in group and out group.webm 10.3 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 04 - Ethnocentrism and cultural relativism in group and out group.webm 10.3 MB
Science & engineering/08 - Biology - 27 - Human biology/04 - Muscles - 02 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Science & engineering/09 - AP Biology - 28 - Human biology/04 - Muscles - 02 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 02 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/07 - Heart muscle contraction - 04 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 02 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/07 - Heart muscle contraction - 01 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 02 - How tropomyosin and troponin regulate muscle contraction.webm 10.2 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 07 - Gray and white matter.webm 10.2 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 07 - Gray and white matter.webm 10.2 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 02 - Sound Properties (Amplitude, Period, Frequency, Wavelength).webm 10.2 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 02 - Sound Properties (Amplitude, Period, Frequency, Wavelength).webm 10.2 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 02 - Sound Properties (Amplitude, Period, Frequency, Wavelength).webm 10.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 06 - Brunelleschi, Santo Spirito.webm 10.2 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 06 - Neuron action potential mechanism.webm 10.2 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 06 - Neuron action potential mechanism.webm 10.2 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 06 - Neuron action potential mechanism.webm 10.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/02 - Asthma - 01 - What is asthma_.webm 10.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 01 - What is asthma_.webm 10.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/04 - Blockades and American entry - 03 - United States enters World War I.webm 10.2 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/02 - The United States in World War I - 03 - United States enters World War I.webm 10.2 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/02 - The United States in World War I - 03 - United States enters World War I.webm 10.2 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 01 - Hematopoiesis.webm 10.2 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 01 - Hematopoiesis.webm 10.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 07 - Kohlberg moral development.webm 10.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 04 - Rosso Fiorentino, the Dead Christ with Angels.webm 10.2 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/07 - Magnitude and direction form of vectors - 01 - Direction of vectors from components_ 1st and 2nd quadrants.webm 10.2 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 02 - Formation of hemiacetals and hemiketals.webm 10.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 05 - Formation of hemiacetals and hemiketals.webm 10.2 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/04 - Comparative, superlative, intensifiers, and adverbs of degree - 02 - Forming comparative and superlative modifiers.webm 10.2 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 06 - Operant conditioning_ Innate vs learned behaviors.webm 10.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 06 - Umbo, The Roving Reporter.webm 10.2 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 01 - sp³ hybridization.webm 10.2 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/03 - Hybridization and hybrid orbitals - 01 - sp³ hybridization.webm 10.2 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 03 - sp³ hybridization.webm 10.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 03 - sp³ hybridization.webm 10.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 08 - Arteries, arterioles, venules, and veins.webm 10.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 08 - Arteries, arterioles, venules, and veins.webm 10.2 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/03 - Keynesian cross - 02 - Details on shifting aggregate planned expenditures.webm 10.2 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 06 - Banking 6_ Bank notes and checks.webm 10.2 MB
Science & engineering/01 - Physics - 16 - Special relativity/02 - Minkowski spacetime - 03 - Galilean transformation and contradictions with light.webm 10.2 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 01 - Introduction to psychology - Depression and major depressive disorder.webm 10.2 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 01 - Introduction to psychology - Depression and major depressive disorder.webm 10.2 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/01 - Counting electrons - 05 - Oxidation states of carbon.webm 10.2 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 05 - More on IPOs.webm 10.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 10 - RC step response setup (1 of 3).webm 10.2 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 13 - Room_ 1990s.webm 10.2 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 04 - Integral of product of sines.webm 10.2 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 06 - More R,S practice.webm 10.2 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 03 - Rate law and reaction order.webm 10.2 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/01 - Reaction rates and rate laws - 03 - Rate law and reaction order.webm 10.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 02 - Rate law and reaction order.webm 10.2 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/05 - Theorems concerning quadrilateral properties - 02 - Proof_ Diagonals of a parallelogram.webm 10.2 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 31 - GMAT_ Data sufficiency 30.webm 10.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 06 - Schiele, Hermits.webm 10.2 MB
Test prep/02 - MCAT - 08 - Physical processes/16 - Magnetism - 03 - Magnetism - Part 3.webm 10.2 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Standard cell potentials - 01 - Standard reduction potentials.webm 10.2 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/03 - Standard cell potentials - 01 - Standard reduction potentials.webm 10.2 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 06 - Standard reduction potentials.webm 10.2 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/05 - Focus and directrix of a parabola - 02 - Equation of a parabola from focus and directrix.webm 10.2 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/05 - Focus and directrix of a parabola - 02 - Equation of a parabola from focus and directrix.webm 10.2 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/07 - Focus and directrix of a parabola - 02 - Equation of a parabola from focus and directrix.webm 10.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 06 - Oxidation and reduction in metabolism.webm 10.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 03 - Virgin of the Rocks.webm 10.2 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/06 - Graphs of sine, cosine, and tangent - 03 - Intersection points of y=sin(x) and y=cos(x).webm 10.2 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/03 - The graphs of sine, cosine, and tangent - 03 - Intersection points of y=sin(x) and y=cos(x).webm 10.2 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/03 - The graphs of sine, cosine, and tangent - 03 - Intersection points of y=sin(x) and y=cos(x).webm 10.2 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/01 - The graphs of sine, cosine, and tangent - 03 - Intersection points of y=sin(x) and y=cos(x).webm 10.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 08 - Rembrandt, Self-Portrait.webm 10.2 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 03 - Neuroplasticity.webm 10.2 MB
Test prep/02 - MCAT - 07 - Organ systems/04 - Neuronal synapses - 06 - Neuroplasticity.webm 10.2 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/03 - Neuronal synapses - 06 - Neuroplasticity.webm 10.2 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 04 - Work and the work-energy principle.webm 10.2 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 04 - Work and the work-energy principle.webm 10.2 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 03 - Work and the work-energy principle.webm 10.2 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 02 - Le Chatelier's principle_ Worked example.webm 10.2 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 02 - Le Chatelier's principle_ Worked example.webm 10.2 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 07 - VSEPR for 4 electron clouds.webm 10.2 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 07 - VSEPR for 4 electron clouds.webm 10.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 06 - VSEPR for 4 electron clouds.webm 10.2 MB
Arts and humanities/01 - World history - 06 - The 20th century/09 - Rise of Mussolini and Fascism - 04 - Mussolini aligns with Hitler.webm 10.2 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 02 - What is computer memory_.webm 10.2 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/05 - The Phillips curve_ Inflation and unemployment - 01 - Unemployment rate primer.webm 10.2 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 03 - Unemployment rate primer.webm 10.2 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/06 - Addition rule for probability - 01 - Probability with Venn diagrams.webm 10.2 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/07 - Addition rule for probability - 01 - Probability with Venn diagrams.webm 10.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/02 - Venn diagrams and the addition rule - 01 - Probability with Venn diagrams.webm 10.2 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/04 - Market equilibrium - 01 - Market equilibrium.webm 10.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/08 - Heart depolarization - 01 - Membrane potentials - part 1.webm 10.2 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 09 - Membrane potentials - part 1.webm 10.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/08 - Heart depolarization - 01 - Membrane potentials - part 1.webm 10.2 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 12 - The old brain.webm 10.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 03 - Hib vaccine.webm 10.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 03 - Hib vaccine.webm 10.2 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/02 - Money supply - 01 - Money supply_ M0, M1, and M2.webm 10.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 03 - Neo-Classicism/01 - Neo-Classicism - 02 - David, The Lictors Returning to Brutus the Bodies of His Sons.webm 10.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 02 - Probability and combinations (2 of 2).webm 10.1 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 04 - Capillary action and why we see a meniscus.webm 10.1 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 04 - Capillary action and why we see a meniscus.webm 10.1 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/02 - Cohesion and adhesion - 01 - Capillary action and why we see a meniscus.webm 10.1 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/02 - Cohesion and adhesion - 01 - Capillary action and why we see a meniscus.webm 10.1 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/03 - Empire of Alexander the Great - 04 - Diadochi and the Hellenistic Period.webm 10.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 11 - The development of substance use - Why do people use legal and illegal substances_.webm 10.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 11 - The development of substance use - Why do people use legal and illegal substances_.webm 10.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 04 - First law of thermodynamics problem solving.webm 10.1 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/05 - Synthesis and cleavage of ethers - 02 - Acidic cleavage of ethers.webm 10.1 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 03 - Preparation of acyl (acid) chlorides.webm 10.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 04 - Preparation of acyl (acid) chlorides.webm 10.1 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/03 - Marc Ecko - Founder of Ecko Unlimited - 01 - Marc Ecko - Founder of Ecko Unlimited.webm 10.1 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 02 - Aromatic stability II.webm 10.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/03 - Western and Eastern fronts of World War I - 04 - Battles of Verdun, Somme and the Hindenburg Line.webm 10.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/02 - Simple harmonic motion (with calculus) - 02 - Harmonic motion part 2 (calculus).webm 10.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/02 - Simple harmonic motion (with calculus) - 02 - Harmonic motion part 2 (calculus).webm 10.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 02 - What is allergic rhinitis_.webm 10.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 02 - What is allergic rhinitis_.webm 10.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 13 - Bailout 13_ Does the bailout have a chance of working_.webm 10.1 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 14 - Bailout 13_ Does the bailout have a chance of working_.webm 10.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 03 - Hadrian, The imperial palace, Tivoli.webm 10.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/05 - Middle empire - 04 - Hadrian, The imperial palace, Tivoli.webm 10.1 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/05 - Solving problems with similar and congruent triangles - 01 - Using similar and congruent triangles.webm 10.1 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/05 - Solving problems with similar and congruent triangles - 01 - Using similar and congruent triangles.webm 10.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 06 - Basics of egg development.webm 10.1 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 06 - Basics of egg development.webm 10.1 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 06 - Basics of egg development.webm 10.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 14 - Banking 14_ Fed funds rate.webm 10.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/06 - Quadratic equations with complex numbers - 01 - Solving quadratic equations_ complex roots.webm 10.1 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/08 - Quadratic equations with complex numbers - 01 - Solving quadratic equations_ complex roots.webm 10.1 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/03 - Credit cards and loans - 03 - Payday loans.webm 10.1 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 21 - GMAT_ Data sufficiency 21.webm 10.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 04 - Where do our nails and hair come from_.webm 10.1 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 04 - Where do our nails and hair come from_.webm 10.1 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 04 - Where do our nails and hair come from_.webm 10.1 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 04 - Three types of flu.webm 10.1 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 02 - Formal charge and dot structures.webm 10.1 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 02 - Formal charge and dot structures.webm 10.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 02 - Formal charge and dot structures.webm 10.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 12 - Maternal changes in pregnancy.webm 10.1 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 12 - Maternal changes in pregnancy.webm 10.1 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 12 - Maternal changes in pregnancy.webm 10.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 11 - Types of neurotransmitters.webm 10.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 11 - Types of neurotransmitters.webm 10.1 MB
Test prep/02 - MCAT - 07 - Organ systems/04 - Neuronal synapses - 03 - Types of neurotransmitters.webm 10.1 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/03 - Neuronal synapses - 03 - Types of neurotransmitters.webm 10.1 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 02 - Introduction to particle systems.webm 10.1 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 05 - Hydroboration-oxidation_ Mechanism.webm 10.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 39 - GMAT_ Math 39.webm 10.1 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 06 - Color correction.webm 10.1 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 03 - Magnitude of electric field created by a charge.webm 10.1 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 03 - Magnitude of electric field created by a charge.webm 10.1 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 03 - Magnitude of electric field created by a charge.webm 10.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/01 - Parabolas intro - 01 - Parabolas intro.webm 10.1 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 03 - Common tangent of circle and hyperbola (2 of 5).webm 10.1 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 24 - Common tangent of circle and hyperbola (2 of 5).webm 10.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 08 - Conservation _ Picasso's Guitars.webm 10.1 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 08 - Proof_ perpendicular lines have negative reciprocal slope.webm 10.1 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 02 - Physical attraction.webm 10.1 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/17 - Survey of second-wave civilizations - 03 - Rome becomes dominant.webm 10.1 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 05 - Boiling points of organic compounds.webm 10.1 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 05 - Boiling points of organic compounds.webm 10.1 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/04 - Electronegativity - 04 - Boiling points of organic compounds.webm 10.1 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 13 - GMAT_ Data sufficiency 13.webm 10.1 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/04 - Interpreting the rate of change of exponential models - 01 - Interpreting change in exponential models.webm 10.0 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/03 - Interpreting the rate of change of exponential models - 01 - Interpreting change in exponential models.webm 10.0 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/02 - European Middle Ages_ feudalism and serfdom - 03 - Serfs and manorialism.webm 10.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 10 - Pain and temperature.webm 10.0 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/07 - Somatosensation - 05 - Pain and temperature.webm 10.0 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 10 - Pain and temperature.webm 10.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/04 - Somatosensation - 05 - Pain and temperature.webm 10.0 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 10 - Pain and temperature.webm 10.0 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 07 - Education as a force of convergence.webm 10.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 02 - Pneumonia diagnosis and treatment.webm 10.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/08 - Cardiomyopathy - 03 - Dilated cardiomyopathy_ Pathophysiology and diagnosis.webm 10.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/09 - Cardiomyopathy - 03 - Dilated cardiomyopathy_ Pathophysiology and diagnosis.webm 10.0 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/03 - Rotations - 02 - Rotating shapes.webm 10.0 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/03 - Rotations - 02 - Rotating shapes.webm 10.0 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/09 - Polar form of complex numbers - 01 - Polar and rectangular forms of complex numbers.webm 10.0 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/05 - Introduction to the domain and range of a function - 01 - Intervals and interval notation.webm 10.0 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/05 - Introduction to the domain and range of a function - 01 - Intervals and interval notation.webm 10.0 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 01 - What is Parkinson's disease_.webm 10.0 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 02 - What is Parkinson's disease_.webm 10.0 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 01 - What is Parkinson's disease_.webm 10.0 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 02 - What is Parkinson's disease_.webm 10.0 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 06 - First term in a Fourier series.webm 10.0 MB
Math by grade/07 - 6th - 09 - Data and statistics/07 - Box plots - 05 - Interpreting box plots.webm 10.0 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/03 - Box and whisker plots - 03 - Interpreting box plots.webm 10.0 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/04 - Box and whisker plots - 03 - Interpreting box plots.webm 10.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/06 - Arterial stiffness - 04 - Compliance - decreased blood pressure.webm 10.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/06 - Arterial stiffness - 04 - Compliance - decreased blood pressure.webm 10.0 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 10 - Random predictions for 2060.webm 10.0 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 27 - GMAT_ Data sufficiency 26.webm 10.0 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 02 - Atomic and ionic radii.webm 10.0 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 02 - Atomic and ionic radii.webm 10.0 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 05 - Atomic and ionic radii.webm 10.0 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 04 - Doris Salcedo's 'Shibboleth'.webm 10.0 MB
Math by grade/07 - 6th - 09 - Data and statistics/08 - Mean absolute deviation (MAD) - 01 - Mean absolute deviation (MAD).webm 10.0 MB
Test prep/02 - MCAT - 06 - Cells/05 - Eukaryotic cells - 02 - The nucleus.webm 10.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 03 - Street scene in the pleasure quarter of Edo Japan.webm 10.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 15 - TB and HIV.webm 10.0 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 15 - TB and HIV.webm 10.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/02 - Pertussis - 03 - Pathophysiology of pertussis.webm 10.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 03 - Pathophysiology of pertussis.webm 10.0 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 51 - GMAT_ Math 51.webm 10.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/09 - England - 02 - Room_ 1540-1650.webm 10.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 02 - Transforming exponential graphs (example 2).webm 10.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 02 - Transforming exponential graphs (example 2).webm 10.0 MB
Computing/04 - Computer animation - 07 - Patterns/02 - Painting with randomness - 01 - Looking at different resolutions.webm 10.0 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 02 - Newman projections 2.webm 10.0 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/03 - Conformations of alkanes - 02 - Newman projections 2.webm 10.0 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 04 - Polymerization of alkenes with acid.webm 10.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 08 - Hopper, Nighthawks.webm 10.0 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 03 - R,S system.webm 10.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 05 - R,S system.webm 10.0 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 04 - Synthesis of alcohols using Grignard reagents II.webm 10.0 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 04 - Optimal turns at Indianapolis Motor Speedway with JR Hildebrand.webm 10.0 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 04 - Optimal turns at Indianapolis Motor Speedway with JR Hildebrand.webm 10.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/12 - Lymphatic system introduction - 03 - The lymphatic system's role in immunity.webm 10.0 MB
Test prep/02 - MCAT - 07 - Organ systems/10 - Lymphatic system - 03 - The lymphatic system's role in immunity.webm 10.0 MB
Test prep/05 - NCLEX-RN - 09 - Lymphatic system physiology/01 - Lymphatic system - 03 - The lymphatic system's role in immunity.webm 10.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 13 - Grave Stele of Hegeso.webm 9.9 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 05 - 2-dimensional momentum problem.webm 9.9 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 05 - 2-dimensional momentum problem.webm 9.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 20 - GMAT_ Data sufficiency 20.webm 9.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 15 - Diagnosis, treatment, and prevention of herpes.webm 9.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 15 - Diagnosis, treatment, and prevention of herpes.webm 9.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 10 - Donatello, Madonna of the Clouds.webm 9.9 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 04 - Thermodynamics part 4_ Moles and the ideal gas law.webm 9.9 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 04 - Thermodynamics part 4_ Moles and the ideal gas law.webm 9.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 01 - Alcohol nomenclature.webm 9.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 38 - GMAT_ Data sufficiency 37.webm 9.9 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/03 - 3. Story structure - 07 - Advice to storytellers 3.webm 9.9 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/03 - Marc Ecko - Founder of Ecko Unlimited - 02 - Marc Ecko - Failures are lessons for future success.webm 9.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 07 - Graphing rational functions 1.webm 9.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 07 - Graphing rational functions 1.webm 9.9 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 05 - Force of friction keeping velocity constant.webm 9.9 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/04 - Market equilibrium - 02 - Changes in market equilibrium.webm 9.9 MB
Science & engineering/08 - Biology - 12 - Cell division/01 - Introduction to cell division - 02 - Zygote differentiating into somatic and germ cells.webm 9.9 MB
Science & engineering/08 - Biology - 18 - Developmental biology/01 - Development and differentiation - 02 - Zygote differentiating into somatic and germ cells.webm 9.9 MB
Science & engineering/09 - AP Biology - 13 - Cell division/01 - Introduction to cell division - 02 - Zygote differentiating into somatic and germ cells.webm 9.9 MB
Science & engineering/09 - AP Biology - 19 - Developmental biology/01 - Development and differentiation - 02 - Zygote differentiating into somatic and germ cells.webm 9.9 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 05 - Zygote differentiating into somatic and germ cells.webm 9.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 06 - Etruscan/01 - Etruscan - 01 - Apulu (Apollo of Veil).webm 9.9 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 02 - Centripetal force and acceleration intuition.webm 9.9 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 02 - Centripetal force and acceleration intuition.webm 9.9 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 03 - RGB color model.webm 9.9 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 38 - GMAT_ Math 38.webm 9.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 12 - Banking 12_Treasuries (government debt).webm 9.9 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/01 - Marginal propensity to consume (MPC) - 01 - MPC and multiplier.webm 9.9 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/02 - Types of prepositions and phrases - 03 - Terminal prepositions.webm 9.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 10 - Immune reconstitution inflammatory syndrome (IRIS) in AIDS.webm 9.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 10 - Immune reconstitution inflammatory syndrome (IRIS) in AIDS.webm 9.9 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 04 - Cross product 2.webm 9.9 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 04 - Cross product 2.webm 9.9 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 09 - Angular momentum.webm 9.9 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 09 - Angular momentum.webm 9.9 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 04 - Alkyl halide nomenclature and classification.webm 9.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/07 - Malaria - 02 - Diagnosing malaria.webm 9.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/04 - Malaria - 02 - Diagnosing malaria.webm 9.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 03 - Shock - oxygen delivery and metabolism.webm 9.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 04 - Shock - oxygen delivery and metabolism.webm 9.9 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 04 - Aromatic stability IV.webm 9.9 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 05 - Retro-aldol and retrosynthesis.webm 9.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 08 - Retro-aldol and retrosynthesis.webm 9.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 02 - Systolic heart failure pathophysiology.webm 9.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 02 - Systolic heart failure pathophysiology.webm 9.9 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/05 - Constructing exponential models according to rate of change - 04 - Constructing exponential models (old example).webm 9.9 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/04 - Constructing exponential models according to rate of change - 04 - Constructing exponential models (old example).webm 9.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 16 - Monet, Poplars.webm 9.9 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 03 - Force of friction keeping the block stationary.webm 9.9 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 03 - Force of friction keeping the block stationary.webm 9.9 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/04 - Continuous compound interest and e - 01 - e and compound interest.webm 9.9 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/02 - The constant e and the natural logarithm - 01 - e and compound interest.webm 9.9 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/02 - The constant e and the natural logarithm - 01 - e and compound interest.webm 9.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/01 - Fauvism and Matisse - 03 - Matisse, 'The Blue Window'.webm 9.9 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/04 - Solving sinusoidal models - 01 - Trig word problem_ solving for temperature.webm 9.9 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/04 - Solving sinusoidal models - 01 - Trig word problem_ solving for temperature.webm 9.9 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 13 - Sketching exponentials.webm 9.9 MB
Science & engineering/11 - Electrical engineering - 01 - Introduction to electrical engineering/01 - Getting started - 01 - Current.webm 9.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 14 - GMAT_ Data sufficiency 14.webm 9.9 MB
Science & engineering/07 - Organic chemistry - 08 - Conjugated systems and pericyclic reactions/01 - Diels-Alder reaction - 02 - Diels-Alder_ stereochemistry of dienophile.webm 9.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/02 - Cambodia - 04 - Sotheby's Returns Looted 10th Century Statue to Cambodia.webm 9.9 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 04 - Application of the fundamental laws (solve).webm 9.9 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/10 - Multiplying and dividing complex numbers in polar form - 03 - Complex number equations_ x³=1.webm 9.9 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 01 - Introduction to infrared spectroscopy.webm 9.8 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 01 - Introduction to infrared spectroscopy.webm 9.8 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 02 - Steric number and sp3 hybridization.webm 9.8 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/03 - Hybridization and hybrid orbitals - 02 - Steric number and sp3 hybridization.webm 9.8 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 04 - Steric number and sp3 hybridization.webm 9.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 04 - Steric number and sp3 hybridization.webm 9.8 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/04 - Multi-digit multiplication - 02 - Multiplying multi-digit numbers.webm 9.8 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/02 - Specific heat and heat transfer - 04 - Thermal conductivity of metal and wood.webm 9.8 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/02 - Specific heat and heat transfer - 04 - Thermal conductivity of metal and wood.webm 9.8 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 05 - Integral of product of cosines.webm 9.8 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 02 - Nomenclature and properties of esters.webm 9.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 02 - Nomenclature and properties of esters.webm 9.8 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 03 - Introduction to reaction quotient Qc.webm 9.8 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 03 - Introduction to reaction quotient Qc.webm 9.8 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/02 - Gas exchange - 04 - O2 and CO2 solubility.webm 9.8 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 04 - O2 and CO2 solubility.webm 9.8 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 04 - O2 and CO2 solubility.webm 9.8 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/02 - Gas Exchange - 04 - O2 and CO2 solubility.webm 9.8 MB
Science & engineering/01 - Physics - 14 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 03 - Young's double slit equation.webm 9.8 MB
Science & engineering/03 - AP Physics 2 - 05 - Electromagnetic waves and interference/02 - Interference of electromagnetic waves - 03 - Young's double slit equation.webm 9.8 MB
Test prep/02 - MCAT - 08 - Physical processes/19 - Light and electromagnetic radiation - 05 - Young's double slit equation.webm 9.8 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 03 - Noble gas configuration.webm 9.8 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 03 - Noble gas configuration.webm 9.8 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 05 - Free energy and cell potential.webm 9.8 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 03 - Magnetic force between two currents going in opposite directions.webm 9.8 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 03 - Magnetic force between two currents going in opposite directions.webm 9.8 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/12 - Jason Christiansen - President and CEO of Rigid Industries - 02 - The World of Copy Cat Companies.webm 9.8 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 52 - GMAT_ Math 52.webm 9.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 14 - Johannes Vermeer, Girl with a Pearl Earring.webm 9.8 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 08 - Absorption and emission.webm 9.8 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 08 - Absorption and emission.webm 9.8 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 07 - Absorption and emission.webm 9.8 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 07 - Absorption and emission.webm 9.8 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 06 - Absorption and emission.webm 9.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 04 - Jawlensky, Young Girl in a Flowered Hat.webm 9.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 05 - Peplos Kore from the Acropolis.webm 9.8 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 06 - Acute leukemia.webm 9.8 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 06 - Acute leukemia.webm 9.8 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 03 - Visual understanding of centripetal acceleration formula.webm 9.8 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 03 - Visual understanding of centripetal acceleration formula.webm 9.8 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Beth Schmidt - Founder of Wishbone.org - 02 - There better be an authentic need.webm 9.8 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 04 - Bohr model radii (derivation using physics).webm 9.8 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 04 - Bohr model radii (derivation using physics).webm 9.8 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 03 - Bohr model radii (derivation using physics).webm 9.8 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 03 - Bohr model radii (derivation using physics).webm 9.8 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 02 - Bohr model radii (derivation using physics).webm 9.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 11 - Dyce's Pegwell Bay, Kent - a Recollection of October 5th, .webm 9.8 MB
Math by grade/09 - 8th - 01 - Numbers and operations/02 - Square roots and cube roots - 02 - Intro to cube roots.webm 9.8 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 03 - Intro to cube roots.webm 9.8 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 03 - Intro to cube roots.webm 9.8 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 02 - Osteoarthritis vs rheumatoid arthritis symptoms.webm 9.8 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 02 - Osteoarthritis vs rheumatoid arthritis symptoms.webm 9.8 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 04 - Sulfonation.webm 9.8 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 07 - Bailout 7_ Bank goes into bankruptcy.webm 9.8 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 08 - Bailout 7_ Bank goes into bankruptcy.webm 9.8 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 03 - Deriving demand curve from tweaking marginal utility per dollar.webm 9.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 13 - Donatello, Mary Magdalene.webm 9.8 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 01 - Conjugate acid-base pairs.webm 9.8 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 01 - Conjugate acid-base pairs.webm 9.8 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 06 - Charles's law.webm 9.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 08 - Ventricular tachycardia (Vtach).webm 9.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 08 - Ventricular tachycardia (Vtach).webm 9.8 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 04 - Meta directors I.webm 9.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 02 - Kidney function and anatomy.webm 9.8 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 02 - Kidney function and anatomy.webm 9.8 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 02 - Kidney function and anatomy.webm 9.8 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 02 - Hydrohalogenation.webm 9.8 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 05 - First living things on land clarification.webm 9.8 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/02 - The diversification of life - 02 - First living things on land clarification.webm 9.8 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/02 - The diversification of life - 02 - First living things on land clarification.webm 9.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 10 - Substance use disorders.webm 9.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 09 - Substance use disorders.webm 9.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 10 - Substance use disorders.webm 9.8 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 03 - Making an offer on a home.webm 9.8 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 10 - Modeling with linear equations_ gym membership and lemonade.webm 9.8 MB
Science & engineering/08 - Biology - 12 - Cell division/01 - Introduction to cell division - 01 - Fertilization terminology_ gametes, zygotes, haploid, diploid.webm 9.8 MB
Science & engineering/09 - AP Biology - 13 - Cell division/01 - Introduction to cell division - 01 - Fertilization terminology_ gametes, zygotes, haploid, diploid.webm 9.8 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 04 - Fertilization terminology_ gametes, zygotes, haploid, diploid.webm 9.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 06 - Cytotoxic T cells.webm 9.8 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 06 - Cytotoxic T cells.webm 9.8 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 06 - Cytotoxic T cells.webm 9.8 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 01 - Introduction to reaction mechanisms.webm 9.8 MB
Math by grade/10 - High school/02 - Mathematics II - 08 - Modeling with algebra/01 - Modeling with one-variable equations and inequalities - 02 - Quadratic inequality word problem.webm 9.8 MB
Math by grade/10 - High school/06 - Algebra II - 12 - Modeling with algebra/01 - Modeling with one-variable equations and inequalities - 02 - Quadratic inequality word problem.webm 9.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 11 - Léon Bakst, 'Costume design for the ballet The Firebird'.webm 9.8 MB
Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 05 - Fermat primality test.webm 9.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 04 - British art in the 18th century/01 - British art in the eighteenth century - 06 - Room_ 1780-1810.webm 9.8 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/02 - The South after the Civil War - 02 - Origins of Jim Crow - the Black Codes and Reconstruction.webm 9.7 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/02 - The South after the Civil War - 02 - Origins of Jim Crow - the Black Codes and Reconstruction.webm 9.7 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 07 - Avogadro's law.webm 9.7 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 42 - GMAT_ Math 42.webm 9.7 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 01 - What is multiple sclerosis_.webm 9.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 01 - What is multiple sclerosis_.webm 9.7 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 02 - What is multiple sclerosis_.webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 17 - Banking 17_ What happened to the gold_.webm 9.7 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/05 - Functional groups - 03 - Identifying functional groups.webm 9.7 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/05 - Functional groups - 03 - Identifying functional groups.webm 9.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 06 - Thutmose, Bust of Nefertiti.webm 9.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/04 - Art in Afghanistan - 01 - Crossroads of the Ancient World.webm 9.7 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 06 - Atomic number, mass number, and isotopes.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 03 - Atomic number, mass number, and isotopes.webm 9.7 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 01 - Atomic number, mass number, and isotopes.webm 9.7 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/12 - Throat conditions - 04 - What is a tonsillectomy_.webm 9.7 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 04 - What is a tonsillectomy_.webm 9.7 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 03 - Reasoning within the text.webm 9.7 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 03 - Monopolist optimizing price_ Marginal revenue.webm 9.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 01 - Preparation of alcohols using NaBH4.webm 9.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 04 - Concentration cell.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 04 - Concentration cell.webm 9.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 17 - GMAT_ Data sufficiency 17.webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/04 - Collateralized debt obligations - 02 - Collateralized debt obligation (CDO).webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 08 - Collateralized debt obligation (CDO).webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 01 - Time value of money.webm 9.7 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 05 - Magnetic force on a proton example (part 1).webm 9.7 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 05 - Magnetic force on a proton example (part 1).webm 9.7 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 10 - Globalization- trade and transnational corporations.webm 9.7 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 40 - GMAT_ Math 40.webm 9.7 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 18 - 2015 AP Chemistry free response 5a_ Finding order of reaction.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 18 - 2015 AP Chemistry free response 5a_ Finding order of reaction.webm 9.7 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 04 - Strokes.webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 02 - Bailout 2_ Book value.webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 03 - Bailout 2_ Book value.webm 9.7 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/05 - Types of chemical reactions - 02 - Dissolution and precipitation.webm 9.7 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 01 - Dissolution and precipitation.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 03 - Chemical reactions/01 - Types of chemical reactions - 02 - Dissolution and precipitation.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 01 - Dissolution and precipitation.webm 9.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 02 - Dissolution and precipitation.webm 9.7 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 04 - Heterogeneous equilibrium.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/01 - Equilibrium constant - 04 - Heterogeneous equilibrium.webm 9.7 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 07 - Cistercian Abbey of Fontenay (UNESCO_NHK).webm 9.7 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 06 - British Colonies to the Early Republic/02 - Early Republic - 01 - Peale, Staircase Group (Portrait of Raphaelle Peale and Titian Ramsay.webm 9.7 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/03 - Passive transport - 02 - Facilitated diffusion.webm 9.7 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/03 - Passive transport - 02 - Facilitated diffusion.webm 9.7 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 02 - Bronsted-Lowry definition of acids and bases.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 02 - Bronsted-Lowry definition of acids and bases.webm 9.7 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/04 - Acids, bases, and pH - 03 - Bronsted-Lowry definition of acids and bases.webm 9.7 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/04 - Acids, bases, and pH - 03 - Bronsted-Lowry definition of acids and bases.webm 9.7 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/06 - T.A. McCann - Founder and CEO of Gist - 02 - T.A. McCann - Translating from ideas to execution.webm 9.7 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/02 - Problem solving with distance on the coordinate plane - 03 - Challenge problem_ Points on two circles.webm 9.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/14 - Carbohydrate Metabolism - 03 - Gluconeogenesis_ the big picture.webm 9.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 05 - Types of depression and bipolar disorder in the DSM5.webm 9.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 05 - Types of depression and bipolar disorder in the DSM5.webm 9.7 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 01 - Introduction to circuits and Ohm's law.webm 9.7 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 01 - Introduction to circuits and Ohm's law.webm 9.7 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 01 - Introduction to circuits and Ohm's law.webm 9.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/01 - Two-variable linear equations intro - 01 - Two-variable linear equations intro.webm 9.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/01 - Two-variable linear equations intro - 01 - Two-variable linear equations intro.webm 9.7 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/05 - Equations of proportional relationships - 03 - Interpreting graphs of proportional relationships.webm 9.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 23 - GMAT_ Data sufficiency 22.webm 9.7 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 07 - Static and kinetic friction example.webm 9.7 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 07 - Static and kinetic friction example.webm 9.7 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 07 - Static and kinetic friction example.webm 9.7 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 12 - Motor controller connections.webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 02 - Credit default swaps.webm 9.7 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 09 - Credit default swaps.webm 9.7 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 04 - Empirical formula from mass composition.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/04 - Molecular composition - 04 - Empirical formula from mass composition.webm 9.7 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 08 - Ways to get a buffer solution.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 08 - Ways to get a buffer solution.webm 9.7 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 02 - Arrhenius equation.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 02 - Arrhenius equation.webm 9.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 14 - Arrhenius equation.webm 9.7 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/03 - Light and fundamental forces - 01 - Introduction to light.webm 9.7 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 01 - Introduction to light.webm 9.7 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 01 - Introduction to light.webm 9.7 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/02 - Resonance structures - 05 - Resonance structures and hybridization.webm 9.7 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 04 - E1 mechanism_ carbocations and rearrangements.webm 9.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/01 - Quadratic equations_ taking square root - 05 - Solving quadratics by taking square roots_ challenge.webm 9.6 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 01 - Chair and boat shapes for cyclohexane.webm 9.6 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 01 - Chair and boat shapes for cyclohexane.webm 9.6 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/01 - Introduction - 02 - DLab_ Inspired by sumo robots.webm 9.6 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 05 - Drawing chair conformations.webm 9.6 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/04 - Conformations of cycloalkanes - 05 - Drawing chair conformations.webm 9.6 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 08 - Demographic transition.webm 9.6 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/03 - Irregular plural nouns_ base plurals and irregular endings - 02 - Irregular plural nouns – words that end in -en.webm 9.6 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 09 - Work_energy problem with friction.webm 9.6 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 09 - Work_energy problem with friction.webm 9.6 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 06 - Work_energy problem with friction.webm 9.6 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 22 - GMAT_ Math 22.webm 9.6 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 04 - Types of cerebral palsy part 1 - Spastic.webm 9.6 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 04 - Types of cerebral palsy part 1 - Spastic.webm 9.6 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 02 - Magnetic force between two currents going in the same direction.webm 9.6 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 02 - Magnetic force between two currents going in the same direction.webm 9.6 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/01 - Rotational kinematics - 03 - Relationship between angular velocity and speed.webm 9.6 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/01 - Rotational kinematics - 03 - Relationship between angular velocity and speed.webm 9.6 MB
Computing/04 - Computer animation - 09 - Animation/01 - Introduction to animation - 06 - Getting to know Rob Jensen.webm 9.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 08 - Laocoön and his sons.webm 9.6 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 04 - The dot product.webm 9.6 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 04 - The dot product.webm 9.6 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 02 - Nuclear shielding.webm 9.6 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 02 - Nuclear shielding.webm 9.6 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/04 - Labor and marginal product revenue - 02 - How many people to hire given the MPR curve.webm 9.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 03 - Duchamp-Villon, Horse.webm 9.6 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 11 - GMAT_ Math 11.webm 9.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 12 - John Roddam Spencer Stanhope, Thoughts of the Past.webm 9.6 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/03 - Light and fundamental forces - 02 - Four fundamental forces.webm 9.6 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/05 - The Phillips curve_ Inflation and unemployment - 02 - Phillips curve.webm 9.6 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 14 - How does substance use develop into substance abuse.webm 9.6 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 14 - How does substance use develop into substance abuse.webm 9.6 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 08 - Summary (what's next_).webm 9.6 MB
Science & engineering/08 - Biology - 11 - Cell signaling/02 - Communication in single-celled organisms - 01 - Cell signaling in yeast reproduction.webm 9.6 MB
Science & engineering/09 - AP Biology - 12 - Cell signaling/02 - Communication in single-celled organisms - 01 - Cell signaling in yeast reproduction.webm 9.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 14 - Drug-resistant TB.webm 9.6 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 14 - Drug-resistant TB.webm 9.6 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 04 - Reactivity of carboxylic acid derivatives.webm 9.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 04 - Reactivity of carboxylic acid derivatives.webm 9.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/02 - Buddhist art and culture, an introduction - 06 - The Buddha triumphing over Mara.webm 9.6 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/04 - Interest as the price of money - 01 - Interest as rent for money.webm 9.6 MB
Science & engineering/01 - Physics - 09 - Fluids/01 - Density and Pressure - 03 - Pressure and Pascal's principle (part 2).webm 9.6 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/01 - Density and Pressure - 03 - Pressure and Pascal's principle (part 2).webm 9.6 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 02 - Pressure and Pascal's principle (part 2).webm 9.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/06 - Germany - 03 - Friedrich, The Lone Tree.webm 9.6 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 02 - Resistors in series.webm 9.6 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 02 - Resistors in series.webm 9.6 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 02 - Resistors in series.webm 9.6 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 04 - Object image and focal distance relationship (proof of formula).webm 9.6 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 04 - Object image and focal distance relationship (proof of formula).webm 9.6 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 04 - Object image and focal distance relationship (proof of formula).webm 9.6 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/03 - American Aestheticism and the Gilded Age - 01 - Sargent, Carnation, Lily, Lily, Rose.webm 9.6 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 02 - Electric motors (part 2).webm 9.6 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 02 - Electric motors (part 2).webm 9.6 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 06 - 2-dimensional momentum problem (part 2).webm 9.6 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 06 - 2-dimensional momentum problem (part 2).webm 9.6 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 30 - GMAT_ Math 30.webm 9.6 MB
Science & engineering/07 - Organic chemistry - 08 - Conjugated systems and pericyclic reactions/01 - Diels-Alder reaction - 05 - Diels-Alder_ intramolecular.webm 9.6 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 06 - Diagnosing diabetes.webm 9.6 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 07 - Diagnosing diabetes.webm 9.6 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 06 - Diagnosing diabetes.webm 9.6 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 07 - Diagnosing diabetes.webm 9.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/06 - Germany - 01 - Friedrich, Monk by the Sea.webm 9.6 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/04 - Philip Rosedale - Founder and Chairman of Second Life - 01 - Philip Rosedale - Founder of Coffee and Power.webm 9.6 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/02 - Asthma - 03 - Asthma diagnosis.webm 9.6 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 03 - Asthma diagnosis.webm 9.6 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/02 - Simple harmonic motion (with calculus) - 03 - Harmonic motion part 3 (no calculus).webm 9.6 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/02 - Simple harmonic motion (with calculus) - 03 - Harmonic motion part 3 (no calculus).webm 9.6 MB
Math by grade/10 - High school/03 - Mathematics III - 10 - Binomial probability/01 - Binomial probability - 03 - Free throw binomial probability distribution.webm 9.6 MB
Math by grade/10 - High school/07 - High school statistics - 06 - Binomial probability/01 - Binomial probability - 03 - Free throw binomial probability distribution.webm 9.6 MB
Math by grade/09 - 8th - 05 - Geometry/07 - Volume - 01 - Cylinder volume and surface area.webm 9.6 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/01 - Solid geometry intro - 03 - Cylinder volume and surface area.webm 9.6 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/01 - Solid geometry intro - 03 - Cylinder volume and surface area.webm 9.6 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 04 - R,S (Cahn-Ingold-Prelog) naming system example 2.webm 9.5 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 05 - Dot vs. cross product.webm 9.5 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 05 - Dot vs. cross product.webm 9.5 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 04 - Evolution clarification.webm 9.5 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 04 - Evolution clarification.webm 9.5 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 31 - IIT JEE lagrange's formula.webm 9.5 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 05 - Organic hybridization practice.webm 9.5 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/03 - Hybridization and hybrid orbitals - 05 - Organic hybridization practice.webm 9.5 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 07 - Organic hybridization practice.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 08 - Organic hybridization practice.webm 9.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 04 - ATP hydrolysis_ Transfer of a phosphate group.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 08 - Biological redox reactions of alcohols and phenols.webm 9.5 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 02 - GMAT_ Math 2.webm 9.5 MB
Science & engineering/10 - Health and medicine - 21 - Health care system/01 - Health care system - 01 - Blue Cross and Blue Shield.webm 9.5 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 01 - Arrhenius definition of acids and bases.webm 9.5 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 01 - Arrhenius definition of acids and bases.webm 9.5 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/04 - Acids, bases, and pH - 02 - Arrhenius definition of acids and bases.webm 9.5 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/04 - Acids, bases, and pH - 02 - Arrhenius definition of acids and bases.webm 9.5 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 08 - Fourier coefficients for sine terms.webm 9.5 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 03 - Linear functions word problem_ iceberg.webm 9.5 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 03 - Linear functions word problem_ iceberg.webm 9.5 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 04 - Enolate formation from ketones.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 03 - Enolate formation from ketones.webm 9.5 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 10 - Exponential decay and semi-log plots.webm 9.5 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 10 - Exponential decay and semi-log plots.webm 9.5 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 10 - Exponential decay and semi-log plots.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 11 - Exponential decay and semi-log plots.webm 9.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/09 - The Mongols - 03 - Timur.webm 9.5 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/02 - Time scale of the cosmos - 02 - Cosmological time scale 2.webm 9.5 MB
Math by grade/07 - 6th - 09 - Data and statistics/07 - Box plots - 02 - Constructing a box plot.webm 9.5 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/03 - Box and whisker plots - 01 - Constructing a box plot.webm 9.5 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/04 - Box and whisker plots - 01 - Constructing a box plot.webm 9.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/03 - Influenza - 03 - When flu viruses attack!.webm 9.5 MB
Science & engineering/08 - Biology - 11 - Cell signaling/01 - How cells signal to each other - 01 - Overview of cell signaling.webm 9.5 MB
Science & engineering/09 - AP Biology - 12 - Cell signaling/01 - How cells signal to each other - 01 - Overview of cell signaling.webm 9.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 11 - DNA repair 2.webm 9.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 06 - Titian, Assumption of the Virgin.webm 9.5 MB
Science & engineering/11 - Electrical engineering - 04 - Semiconductor devices/01 - Diode - 02 - Diode graphical solution.webm 9.5 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/02 - Problem solving with distance on the coordinate plane - 01 - Area of trapezoid on the coordinate plane.webm 9.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/06 - Self-presentation and interacting with others - 03 - Three components of emotion and universal emotions.webm 9.5 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 03 - Housing price conundrum (part 3).webm 9.5 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 03 - Housing price conundrum (part 3).webm 9.5 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/04 - Active transport - 01 - Sodium potassium pump.webm 9.5 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/04 - Active transport - 01 - Sodium potassium pump.webm 9.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/02 - Asthma - 02 - Asthma pathophysiology.webm 9.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 02 - Asthma pathophysiology.webm 9.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/10 - Endocrine system introduction - 05 - Cellular mechanism of hormone action.webm 9.5 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/01 - Endocrine system introduction - 06 - Cellular mechanism of hormone action.webm 9.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 05 - Cellular mechanism of hormone action.webm 9.5 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 05 - Cellular mechanism of hormone action.webm 9.5 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 05 - Cellular mechanism of hormone action.webm 9.5 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 07 - Trig challenge problem_ system of equations.webm 9.5 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 39 - Trig challenge problem_ system of equations.webm 9.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 02 - Greek financial crisis (part 2).webm 9.5 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/05 - European Union - 04 - Greek financial crisis (part 2).webm 9.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 03 - Teeth.webm 9.5 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 03 - Teeth.webm 9.5 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 03 - Teeth.webm 9.5 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 05 - Lead storage battery.webm 9.5 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 05 - Lead storage battery.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 18 - Lead storage battery.webm 9.5 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/04 - Phrases and clauses - 01 - Phrases and clauses.webm 9.5 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/13 - Graphing sinusoidal functions - 02 - Transforming sinusoidal graphs_ vertical and horizontal stretches.webm 9.5 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/10 - Graphing sinusoidal functions - 02 - Transforming sinusoidal graphs_ vertical and horizontal stretches.webm 9.5 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/05 - Graphing sinusoidal functions - 02 - Transforming sinusoidal graphs_ vertical and horizontal stretches.webm 9.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 04 - System of equations word problem_ walk and ride.webm 9.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 04 - System of equations word problem_ walk and ride.webm 9.5 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/10 - Applications of vectors - 02 - Vectors word problem_ tug of war.webm 9.5 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 06 - Diamagnetic anisotropy.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 06 - Diamagnetic anisotropy.webm 9.5 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/04 - Interpreting the rate of change of exponential models - 02 - Interpreting time in exponential models.webm 9.5 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/03 - Interpreting the rate of change of exponential models - 02 - Interpreting time in exponential models.webm 9.5 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 03 - Acid and base catalyzed formation of hydrates and hemiacetals.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 06 - Acid and base catalyzed formation of hydrates and hemiacetals.webm 9.5 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 15 - Substance use disorders.webm 9.5 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 25 - GMAT_ Math 25.webm 9.5 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 05 - Albrecht Dürer, Adam and Eve.webm 9.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 03 - Bitcoin_ Cryptographic hash functions.webm 9.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 07 - Banking 7_ Giving out loans without giving out gold.webm 9.5 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 04 - Optimal angle for a projectile part 4_ Finding the optimal angle and distance with a bit of calculus.webm 9.5 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 04 - Optimal angle for a projectile part 4_ Finding the optimal angle and distance with a bit of calculus.webm 9.5 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 05 - Group trend for ionization energy.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 06 - Group trend for ionization energy.webm 9.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/09 - Pleural Effusion - 03 - Transudate vs exudate.webm 9.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 03 - Transudate vs exudate.webm 9.5 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 03 - Chemical equivalence.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 03 - Chemical equivalence.webm 9.5 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 02 - Carbon 14 dating 1.webm 9.5 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/03 - Radiometric dating - 02 - Carbon 14 dating 1.webm 9.5 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/03 - Radiometric dating - 02 - Carbon 14 dating 1.webm 9.5 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 04 - Demographic structure of society - sex, gender, and sexual orientation.webm 9.5 MB
Science & engineering/01 - Physics - 15 - Geometric optics/02 - Mirrors - 03 - Parabolic mirrors 2.webm 9.5 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/02 - Mirrors - 03 - Parabolic mirrors 2.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/23 - Spherical mirrors - 03 - Parabolic mirrors 2.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 02 - Properties of alcohols.webm 9.5 MB
Science & engineering/01 - Physics - 16 - Special relativity/01 - Michelson and Morley's luminiferous ether experiment - 03 - Michelson–Morley Experiment introduction.webm 9.5 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 15 - Ritual of the bedside exam.webm 9.5 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 05 - Force of friction keeping velocity constant.webm 9.5 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 05 - Force of friction keeping velocity constant.webm 9.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 05 - Amino acid structure.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 05 - Amino acid structure.webm 9.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 01 - Amino acid structure.webm 9.5 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 06 - Information entropy.webm 9.5 MB
Science & engineering/01 - Physics - 09 - Fluids/01 - Density and Pressure - 05 - Finding height of fluid in a barometer.webm 9.5 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/01 - Density and Pressure - 05 - Finding height of fluid in a barometer.webm 9.5 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 04 - Finding height of fluid in a barometer.webm 9.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 05 - South Asia/03 - Buddhist art in South Asia - 04 - Mahakala, Protector of the Tent.webm 9.5 MB
Math by grade/05 - 4th - 03 - Fractions/02 - Common denominators - 02 - Common denominators_ 1_4 and 5_6.webm 9.4 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 02 - Deflate gate.webm 9.4 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 02 - Deflate gate.webm 9.4 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 34 - GMAT_ Data sufficiency 33.webm 9.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/05 - England (Constable, Turner, Martin and Nash) - 04 - Room_ JMW Turner.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 01 - The housing price conundrum.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 01 - The housing price conundrum.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 03 - Present value 2.webm 9.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 08 - Clonal selection.webm 9.4 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 08 - Clonal selection.webm 9.4 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 08 - Clonal selection.webm 9.4 MB
Science & engineering/01 - Physics - 16 - Special relativity/01 - Michelson and Morley's luminiferous ether experiment - 01 - Light and the luminiferous ether.webm 9.4 MB
Science & engineering/08 - Biology - 12 - Cell division/02 - The cell cycle and mitosis - 01 - Interphase.webm 9.4 MB
Science & engineering/09 - AP Biology - 13 - Cell division/02 - The cell cycle and mitosis - 01 - Interphase.webm 9.4 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 06 - Interphase.webm 9.4 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 07 - Perfect secrecy.webm 9.4 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/04 - Photorespiration_ C3, C4, and CAM plants - 03 - CAM plants.webm 9.4 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/04 - Photorespiration_ C3, C4, and CAM plants - 03 - CAM plants.webm 9.4 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 03 - Bernoulli's equation (part 2).webm 9.4 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 03 - Bernoulli's equation (part 2).webm 9.4 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 03 - Bernoulli's equation (part 2).webm 9.4 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/03 - Shang dynasty (c. 1600-1050 B.C.E.) - 02 - Ritual vessel in the shape of a rhinoceros.webm 9.4 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 47 - GMAT_ Math 47.webm 9.4 MB
Test prep/02 - MCAT - 11 - Behavior/03 - Behavior and genetics - 04 - Regulatory genes.webm 9.4 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 37 - GMAT_ Data sufficiency 36.webm 9.4 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 50 - GMAT_ Math 50.webm 9.4 MB
Math by grade/05 - 4th - 04 - Decimals/07 - Comparing decimals visually - 02 - Comparing numbers represented different ways.webm 9.4 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 07 - Feature detection and parallel processing.webm 9.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 07 - Feature detection and parallel processing.webm 9.4 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 05 - Demographic structure of society overview.webm 9.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 14 - Diabetes in pregnancy.webm 9.4 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 14 - Diabetes in pregnancy.webm 9.4 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/02 - Mass - 01 - Understanding mass (grams and kilograms).webm 9.4 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 02 - Stenosis, ischemia and heart failure.webm 9.4 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/02 - Biological basis of behavior_ Endocrine system - 04 - Endocrine system and influence on behavior - Part 2.webm 9.4 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 22 - Endocrine system and influence on behavior - Part 2.webm 9.4 MB
Test prep/02 - MCAT - 06 - Cells/01 - Cell membrane overview - 01 - Cell membrane introduction.webm 9.4 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 09 - Optical activity.webm 9.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 07 - Optical activity.webm 9.4 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 05 - Common tangent of circle and hyperbola (4 of 5).webm 9.4 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 26 - Common tangent of circle and hyperbola (4 of 5).webm 9.4 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 04 - What is laryngitis _.webm 9.4 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 04 - What is laryngitis _.webm 9.4 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 08 - Plotting data for a second-order reaction.webm 9.4 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 08 - Plotting data for a second-order reaction.webm 9.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 07 - Plotting data for a second-order reaction.webm 9.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 04 - Anavysos Kouros.webm 9.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 03 - How HIV infects us_ Mucous membranes, dendritic cells, and lymph nodes.webm 9.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 03 - How HIV infects us_ Mucous membranes, dendritic cells, and lymph nodes.webm 9.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 03 - Shifting from Loyalty to Accountability.webm 9.4 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/01 - Sectional tension in the 1850s - 02 - Uncle Tom's Cabin - reception and significance.webm 9.4 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/01 - Sectional tension in the 1850s - 03 - Uncle Tom's Cabin - reception and significance.webm 9.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 08 - Arterial elastance (Ea) and preload.webm 9.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 08 - Arterial elastance (Ea) and preload.webm 9.4 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 06 - SN1 and SN2 reactions of alcohols.webm 9.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 07 - SN1 and SN2 reactions of alcohols.webm 9.4 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/02 - The age of Jackson - 03 - Jacksonian Democracy - mudslinging and the election of 1828.webm 9.4 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/02 - The age of Jackson - 03 - Jacksonian Democracy - mudslinging and the election of 1828.webm 9.4 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 01 - What is arthritis_.webm 9.4 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 01 - What is arthritis_.webm 9.4 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 05 - Reactivity of aldehydes and ketones.webm 9.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 03 - Reactivity of aldehydes and ketones.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 02 - Is buying a home always better_.webm 9.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 01 - David, the Virgin and Child with Saints and Donor.webm 9.4 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/02 - Prime and composite numbers - 01 - Prime numbers.webm 9.4 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 02 - Oxidation state trends in periodic table.webm 9.4 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 02 - Oxidation state trends in periodic table.webm 9.4 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 06 - Instantaneous speed and velocity.webm 9.4 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 06 - Instantaneous speed and velocity.webm 9.4 MB
Test prep/02 - MCAT - 08 - Physical processes/02 - Speed and velocity - 04 - Instantaneous speed and velocity.webm 9.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/03 - Blood pressure control - 02 - Parts of a nephron.webm 9.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/03 - Blood pressure control - 02 - Parts of a nephron.webm 9.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 07 - Fatty Acid Oxidation - Part I.webm 9.4 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/03 - Spain - 03 - Goya, Saturn Devouring His Son.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 06 - Geithner plan 6_ A better solution.webm 9.4 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 01 - Seismic waves.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 04 - Investment vs. consumption 1.webm 9.4 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 02 - Spectrum of light.webm 9.4 MB
Science & engineering/01 - Physics - 09 - Fluids/01 - Density and Pressure - 04 - Pressure at a depth in a fluid.webm 9.4 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/01 - Density and Pressure - 04 - Pressure at a depth in a fluid.webm 9.4 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 03 - Pressure at a depth in a fluid.webm 9.4 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 08 - Beta-lactam antibiotics.webm 9.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 08 - Beta-lactam antibiotics.webm 9.4 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/01 - Mutual funds and ETFs - 05 - Ponzi schemes.webm 9.4 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 01 - What is foreshortening_.webm 9.3 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 07 - Magnetic force on a current carrying wire.webm 9.3 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 07 - Magnetic force on a current carrying wire.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 07 - Formation of oximes and hydrazones.webm 9.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 10 - Formation of oximes and hydrazones.webm 9.3 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 07 - Deficit and debt ceiling.webm 9.3 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/02 - Centripetal forces - 03 - Bowling ball in vertical loop.webm 9.3 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/02 - Centripetal forces - 03 - Bowling ball in vertical loop.webm 9.3 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/01 - Economic profit and opportunity cost - 02 - Depreciation and opportunity cost of capital.webm 9.3 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 08 - 2015 AP Chemistry free response 2f.webm 9.3 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 09 - 2015 AP Chemistry free response 2f.webm 9.3 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 08 - 2015 AP Chemistry free response 2f.webm 9.3 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 09 - 2015 AP Chemistry free response 2f.webm 9.3 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 08 - 2015 AP Biology free response 6.webm 9.3 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 08 - 2015 AP Biology free response 6.webm 9.3 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 05 - Introduction to tension (part 2).webm 9.3 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/06 - Tension - 05 - Introduction to tension (part 2).webm 9.3 MB
Test prep/02 - MCAT - 08 - Physical processes/06 - Force of tension - 02 - Introduction to tension (part 2).webm 9.3 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/02 - Population genetics - 04 - Discussions of conditions for Hardy Weinberg.webm 9.3 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/02 - Population genetics - 04 - Discussions of conditions for Hardy Weinberg.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 01 - Introduction to proton NMR.webm 9.3 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 01 - Introduction to proton NMR.webm 9.3 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 02 - Abstract-ness.webm 9.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/02 - Sculpture and architecture in Florence - 05 - Brunelleschi, Pazzi Chapel.webm 9.3 MB
Science & engineering/01 - Physics - 16 - Special relativity/02 - Minkowski spacetime - 06 - Angle of x' axis in Minkowski spacetime.webm 9.3 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 06 - Tension in an accelerating system and pie in the face.webm 9.3 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/06 - Tension - 06 - Tension in an accelerating system and pie in the face.webm 9.3 MB
Test prep/02 - MCAT - 08 - Physical processes/06 - Force of tension - 03 - Tension in an accelerating system and pie in the face.webm 9.3 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 06 - Wealth destruction 1.webm 9.3 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 11 - Wealth destruction 1.webm 9.3 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 04 - Newton's second law of motion.webm 9.3 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 04 - Newton's second law of motion.webm 9.3 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 03 - Newton's second law of motion.webm 9.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 09 - Hypovolemic shock.webm 9.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 09 - Hypovolemic shock.webm 9.3 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 07 - Fourier coefficients for cosine terms.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 10 - Optical activity calculations.webm 9.3 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 04 - 2015 AP Chemistry free response 1e.webm 9.3 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 04 - 2015 AP Chemistry free response 1e.webm 9.3 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 33 - GMAT_ Data sufficiency 32.webm 9.3 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/02 - GDP and the circular flow of income and expenditures - 01 - Circular flow of income and expenditures.webm 9.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 27 - GMAT_ Math 27.webm 9.3 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/02 - Introduction to triangle similarity - 03 - Determining similar triangles.webm 9.3 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/02 - Introduction to triangle similarity - 03 - Determining similar triangles.webm 9.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 02 - Barnett Newman.webm 9.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 01 - Overview of metabolism_ Anabolism and catabolism.webm 9.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 04 - Overview of metabolism_ Anabolism and catabolism.webm 9.3 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 12 - GMAT_ Data sufficiency 12.webm 9.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 12 - Thermoregulation by muscles.webm 9.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 11 - Thermoregulation by muscles.webm 9.3 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 12 - Thermoregulation by muscles.webm 9.3 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 11 - Thermoregulation by muscles.webm 9.3 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 12 - Thermoregulation by muscles.webm 9.3 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 11 - Thermoregulation by muscles.webm 9.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 10 - Add Spout's tail.webm 9.3 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/01 - Absolute value equations - 01 - Intro to absolute value equations and graphs.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 04 - Alcohol nomenclature.webm 9.3 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 01 - Volume flow rate and equation of continuity.webm 9.3 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 01 - Volume flow rate and equation of continuity.webm 9.3 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 01 - Volume flow rate and equation of continuity.webm 9.3 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 03 - What is viral gastroenteritis_.webm 9.3 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 04 - What is viral gastroenteritis_.webm 9.3 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 02 - What is viral gastroenteritis_.webm 9.3 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 03 - What is viral gastroenteritis_.webm 9.3 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/09 - Discontinuities of rational functions - 02 - Analyzing vertical asymptotes of rational functions.webm 9.3 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/08 - Discontinuities of rational functions - 02 - Analyzing vertical asymptotes of rational functions.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 01 - Hydrogenation.webm 9.3 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/04 - Philip Rosedale - Founder and Chairman of Second Life - 03 - Philip Rosedale - Evolving ideas vs. new ideas.webm 9.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/02 - Claus Sluter and Claus de Werve - 02 - Claus Sluter and Claus de Werve, Mourners, from the Tomb of .webm 9.3 MB
Test prep/02 - MCAT - 06 - Cells/07 - Prokaryotes_bacteria - 02 - Bacterial characteristics - Gram staining.webm 9.3 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 04 - Parallel resistors (part 3).webm 9.3 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/03 - Passive transport - 01 - Passive transport and selective permeability.webm 9.3 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/03 - Passive transport - 01 - Passive transport and selective permeability.webm 9.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 15 - GMAT_ Math 15.webm 9.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 06 - Construction of an 18th-century French mechanical table.webm 9.3 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/06 - Permutations - 01 - Factorial and counting seat arrangements.webm 9.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 12 - Caravaggio, Contarelli Chapel, San Luigi dei Francesi.webm 9.3 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/05 - Solving problems with similar and congruent triangles - 02 - Challenging similarity problem.webm 9.3 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/05 - Solving problems with similar and congruent triangles - 02 - Challenging similarity problem.webm 9.3 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/12 - Jason Christiansen - President and CEO of Rigid Industries - 03 - Baseball is Just a Game.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 09 - Multiplicity_ n + 1 rule.webm 9.3 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 09 - Multiplicity_ n + 1 rule.webm 9.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 15 - Bailout 15_ More on the solution.webm 9.3 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 16 - Bailout 15_ More on the solution.webm 9.3 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 12 - Projectile motion with ordered set notation.webm 9.3 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 12 - Projectile motion with ordered set notation.webm 9.3 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 06 - Heats of combustion of alkanes.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 06 - Heats of combustion of alkanes.webm 9.3 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/06 - Solving modeling problems with similar and congruent triangles - 01 - Geometry word problem_ the golden ratio.webm 9.3 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/06 - Solving modeling problems with similar and congruent triangles - 01 - Geometry word problem_ the golden ratio.webm 9.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 06 - Systems of equations number of solutions_ fruit prices (1 of 2).webm 9.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 01 - Systems of equations number of solutions_ fruit prices (1 of 2).webm 9.3 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 06 - Systems of equations number of solutions_ fruit prices (1 of 2).webm 9.3 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 01 - Systems of equations number of solutions_ fruit prices (1 of 2).webm 9.3 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 18 - GMAT_ Data sufficiency 18.webm 9.3 MB
Math by grade/08 - 7th - 07 - Statistics and probability/03 - Compound events and sample spaces - 01 - Sample spaces for compound events.webm 9.3 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/04 - Reflections - 01 - Reflecting shapes.webm 9.3 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/04 - Reflections - 01 - Reflecting shapes.webm 9.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 13 - Proof_ Opposite sides of a parallelogram.webm 9.3 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/05 - Theorems concerning quadrilateral properties - 01 - Proof_ Opposite sides of a parallelogram.webm 9.3 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 10 - Oxidation of aldehydes using Tollens' reagent.webm 9.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 13 - Oxidation of aldehydes using Tollens' reagent.webm 9.3 MB
Science & engineering/08 - Biology - 05 - Macromolecules/05 - Proteins - 02 - Peptide bond formation.webm 9.3 MB
Science & engineering/09 - AP Biology - 06 - Macromolecules/05 - Proteins - 02 - Peptide bond formation.webm 9.3 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/11 - Identifying conic sections from their expanded equations - 02 - Conic section from expanded equation_ ellipse.webm 9.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 21 - GMAT_ Math 21.webm 9.3 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 03 - Thermodynamics part 3_ Kelvin scale and Ideal gas law example.webm 9.2 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 03 - Thermodynamics part 3_ Kelvin scale and Ideal gas law example.webm 9.2 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 06 - Boiling point comparison_ AP Chemistry multiple choice.webm 9.2 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 06 - Boiling point comparison_ AP Chemistry multiple choice.webm 9.2 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 12 - IIT JEE hairy trig and algebra (part 2).webm 9.2 MB
Science & engineering/08 - Biology - 28 - Plant biology/01 - Plant responses to light - 03 - Photoperiodism.webm 9.2 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/01 - Marginal propensity to consume (MPC) - 02 - Mathy version of MPC and multiplier (optional).webm 9.2 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/02 - Richard Branson - Chairman of the Virgin Group - 01 - Richard Branson - Chairman of the Virgin Group.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 05 - Using a pKa table.webm 9.2 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 01 - Plate tectonics_ Difference between crust and lithosphere.webm 9.2 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 15 - GMAT_ Data sufficiency 15.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 02 - Preparation of alcohols using LiAlH4.webm 9.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 14 - Sketching exponentials - examples.webm 9.2 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/05 - Functional groups - 02 - More functional groups.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/05 - Functional groups - 02 - More functional groups.webm 9.2 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 05 - Emf induced in rod traveling through magnetic field.webm 9.2 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 05 - Emf induced in rod traveling through magnetic field.webm 9.2 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 05 - Multiple sclerosis risk factors.webm 9.2 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 05 - Multiple sclerosis risk factors.webm 9.2 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 06 - Multiple sclerosis risk factors.webm 9.2 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 06 - Optimal point on budget line.webm 9.2 MB
Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/01 - Nash equilibrium - 01 - Prisoners' dilemma and Nash equilibrium.webm 9.2 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 03 - Clinical progression of multiple sclerosis.webm 9.2 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 03 - Clinical progression of multiple sclerosis.webm 9.2 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 04 - Clinical progression of multiple sclerosis.webm 9.2 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/02 - Interest basics - 01 - Introduction to interest.webm 9.2 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 04 - Winsor, #1 Rope.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/03 - Elimination reactions - 02 - E1 reactions.webm 9.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 05 - Coin flipping probability.webm 9.2 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 04 - Detectable civilizations in our galaxy 4.webm 9.2 MB
Math by grade/09 - 8th - 05 - Geometry/06 - Pythagorean theorem proofs - 03 - Pythagorean theorem proof using similarity.webm 9.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 03 - Pythagorean theorem proof using similarity.webm 9.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 03 - Pythagorean theorem proof using similarity.webm 9.2 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 32 - GMAT_ Math 32.webm 9.2 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/08 - Properties of multiplication and division - 01 - Equivalent expressions with negative numbers (multiplication and division).webm 9.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 03 - Saponification - Base promoted ester hydrolysis.webm 9.2 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/02 - Discovery of magnetic fields - 04 - Magnetic permeability.webm 9.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 07 - Lead Lag.webm 9.2 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/03 - 2D vs. 3D objects - 02 - Ways to cross-section a cube.webm 9.2 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/03 - 2D vs. 3D objects - 02 - Ways to cross-section a cube.webm 9.2 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 24 - GMAT_ Math 24.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 03 - Reactions at the benzylic position.webm 9.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 02 - Cerebral blood supply_ Part 2.webm 9.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 02 - Cerebral blood supply_ Part 2.webm 9.2 MB
Math by grade/09 - 8th - 05 - Geometry/05 - Pythagorean theorem and distance between points - 01 - Distance formula.webm 9.2 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/01 - Distance and midpoints - 01 - Distance formula.webm 9.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/01 - Circuit elements - 03 - Circuit terminology.webm 9.2 MB
Test prep/02 - MCAT - 06 - Cells/07 - Prokaryotes_bacteria - 01 - Overview of Archaea, Protista, and Bacteria.webm 9.2 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/03 - Style! - 02 - The scale of formality.webm 9.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 07 - Ischemic core and penumbra.webm 9.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 07 - Ischemic core and penumbra.webm 9.2 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 09 - Personality disorders.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/04 - Nomenclature and properties of ethers - 02 - Ether nomenclature.webm 9.2 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 03 - Systems of equations with elimination_ King's cupcakes.webm 9.2 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 03 - Systems of equations with elimination_ King's cupcakes.webm 9.2 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 01 - Systems of equations with elimination_ King's cupcakes.webm 9.2 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 11 - Bailout 11_ Why these CDOs could be worth nothing.webm 9.2 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 12 - Bailout 11_ Why these CDOs could be worth nothing.webm 9.2 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 05 - Plate tectonics_ Geological features of convergent plate boundaries.webm 9.2 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/07 - Special products of binomials - 06 - More examples of special products.webm 9.2 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/07 - Special products of binomials - 06 - More examples of special products.webm 9.2 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/02 - Multiplying polynomials - 02 - More examples of special products.webm 9.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 04 - Getting exactly two heads (combinatorics).webm 9.2 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/04 - Phrases and clauses - 02 - Dependent and independent clauses.webm 9.2 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/09 - Hinduism - 06 - Varnas and the Caste System.webm 9.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/11 - Acyanotic heart diseases - 02 - Acyanotic heart disease diagnosis.webm 9.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/06 - Acyanotic heart diseases - 02 - Acyanotic heart disease diagnosis.webm 9.2 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 03 - Doppler effect formula when source is moving away.webm 9.2 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 03 - Doppler effect formula when source is moving away.webm 9.2 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 12 - Doppler effect formula when source is moving away.webm 9.2 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 09 - Globalization theories.webm 9.2 MB
Arts and humanities/04 - Art history/02 - Prehistoric art in Europe and West Asia - 02 - Neolithic art/01 - Neolithic art - 02 - Stonehenge, Avebury and Associated Sites (UNESCO_NHK).webm 9.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 08 - What is congenital syphilis_.webm 9.2 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 08 - What is congenital syphilis_.webm 9.2 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 03 - Biological redox reactions.webm 9.2 MB
Math by grade/05 - 4th - 02 - Multiplication and division/08 - Remainders - 03 - Worked example_ Long division with remainders_ 2292÷4.webm 9.2 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 09 - Defense mechanisms.webm 9.2 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/05 - Features and forms of quadratic functions - 03 - Finding features of quadratic functions.webm 9.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/09 - Features and forms of quadratic functions - 03 - Finding features of quadratic functions.webm 9.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 03 - Speed of Sound.webm 9.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 03 - Speed of Sound.webm 9.1 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 03 - Speed of Sound.webm 9.1 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 05 - Physical properties of alcohols and preparation of alkoxides.webm 9.1 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 25 - GMAT_ Data sufficiency 24.webm 9.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 43 - GMAT_ Math 43.webm 9.1 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 04 - Red shift.webm 9.1 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 02 - Bernoulli's equation (part 1).webm 9.1 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 02 - Bernoulli's equation (part 1).webm 9.1 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 02 - Bernoulli's equation (part 1).webm 9.1 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 04 - Camera lenses.webm 9.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 06 - Regulation of oxidative phosphorylation.webm 9.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 09 - Wegener’s granulomatosis and microscopic polyangiitis.webm 9.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 09 - Wegener’s granulomatosis and microscopic polyangiitis.webm 9.1 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/02 - Introduction to triangle similarity - 01 - Intro to triangle similarity.webm 9.1 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/02 - Introduction to triangle similarity - 01 - Intro to triangle similarity.webm 9.1 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 02 - Minimum wage and price floors.webm 9.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 14 - Veronese, the Dream of Saint Helena.webm 9.1 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 03 - Aromatic stability III.webm 9.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 03 - Mortgage-backed securities II.webm 9.1 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 06 - Mortgage-backed securities II.webm 9.1 MB
Science & engineering/08 - Biology - 07 - Structure of a cell/03 - Tour of a eukaryotic cell - 02 - Endomembrane system.webm 9.1 MB
Science & engineering/09 - AP Biology - 08 - Structure of a cell/03 - Tour of a eukaryotic cell - 02 - Endomembrane system.webm 9.1 MB
Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 07 - Compression codes.webm 9.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 08 - Four levels of protein structure.webm 9.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 08 - Four levels of protein structure.webm 9.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 05 - Four levels of protein structure.webm 9.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 08 - GMAT_ Math 8.webm 9.1 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 06 - Juan Downey_ Plato Now.webm 9.1 MB
Science & engineering/10 - Health and medicine - 20 - Current events in health and medicine/02 - Ebola outbreak - 02 - Understanding R nought.webm 9.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 17 - GMAT_ Math 17.webm 9.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 01 - What is vasculitis_.webm 9.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 01 - What is vasculitis_.webm 9.1 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 03 - Conservation of energy.webm 9.1 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 03 - Conservation of energy.webm 9.1 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 05 - Indifference curves and marginal rate of substitution.webm 9.1 MB
Test prep/02 - MCAT - 11 - Behavior/08 - Normative and non-normative behavior - 01 - What is normal_ Exploring folkways, mores, and taboos.webm 9.1 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/01 - Counting electrons - 02 - Formal charge on carbon.webm 9.1 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 08 - Elasticity of supply.webm 9.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 04 - Lung cancer complications.webm 9.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 04 - Lung cancer complications.webm 9.1 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/07 - Distinguishing between linear and exponential growth - 02 - Linear vs. exponential growth_ from data (example 2).webm 9.1 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/06 - Distinguishing between linear and exponential growth - 02 - Linear vs. exponential growth_ from data (example 2).webm 9.1 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 03 - Are southern hemisphere seasons more severe_.webm 9.1 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 05 - Milgram experiment on obedience.webm 9.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/14 - Bronchiolitis - 02 - Bronchiolitis pathophysiology.webm 9.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 02 - Bronchiolitis pathophysiology.webm 9.1 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 05 - Biological and Sociocultural Factors Food, Sex, and Drugs.webm 9.1 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 03 - Introduction to the yield curve.webm 9.1 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/01 - Counting electrons - 04 - Formal charge on oxygen.webm 9.1 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 02 - Thermodynamics part 2_ Ideal gas law.webm 9.1 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 02 - Thermodynamics part 2_ Ideal gas law.webm 9.1 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 10 - Brain changes during adolescence.webm 9.1 MB
Computing/04 - Computer animation - 07 - Patterns/02 - Painting with randomness - 04 - Perlin noise (2D).webm 9.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 01 - Intro to slope-intercept form.webm 9.1 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/05 - Intro to slope-intercept form - 01 - Intro to slope-intercept form.webm 9.1 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/05 - Intro to slope-intercept form - 01 - Intro to slope-intercept form.webm 9.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/01 - Beginning of World War I - 06 - The Great War begins.webm 9.1 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 02 - IIT JEE perpendicular planes (part 1).webm 9.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 29 - GMAT_ Math 29.webm 9.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 35 - GMAT_ Math 35.webm 9.1 MB
Math by grade/07 - 6th - 09 - Data and statistics/01 - Dot plots and frequency tables - 01 - Representing data.webm 9.1 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 05 - Detectable civilizations in our galaxy 5.webm 9.1 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 05 - Snell's law example 1.webm 9.0 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 05 - Snell's law example 1.webm 9.0 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 07 - Bohr model energy levels.webm 9.0 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 07 - Bohr model energy levels.webm 9.0 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 06 - Bohr model energy levels.webm 9.0 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 06 - Bohr model energy levels.webm 9.0 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 05 - Bohr model energy levels.webm 9.0 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 04 - Physical properties of aldehydes and ketones.webm 9.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 02 - Physical properties of aldehydes and ketones.webm 9.0 MB
Arts and humanities/01 - World history - 05 - 1750 -1900 Enlightenment and Revolution/03 - Napoleon Bonaparte - 08 - Hundred days and Waterloo.webm 9.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 01 - Capacitor i-v equations.webm 9.0 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 06 - Introduction to lithography.webm 9.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 05 - What's in sweat_ (Holocrine, Apocrine, Merocrine Glands).webm 9.0 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 05 - What's in sweat_ (Holocrine, Apocrine, Merocrine Glands).webm 9.0 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 05 - What's in sweat_ (Holocrine, Apocrine, Merocrine Glands).webm 9.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/05 - Cystic fibrosis - 01 - What is cystic fibrosis_.webm 9.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 01 - What is cystic fibrosis_.webm 9.0 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 03 - Atomic weight and atomic mass.webm 9.0 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 04 - Atomic weight and atomic mass.webm 9.0 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/09 - Nerve regulation of the heart - 05 - Getting a new heart.webm 9.0 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/09 - Nerve regulation of the heart - 05 - Getting a new heart.webm 9.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 06 - Hunt, Claudio and Isabella.webm 9.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/11 - Principles of bioenergetics - 01 - Gibbs free energy introduction.webm 9.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 09 - Interpreting the PPD.webm 9.0 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 09 - Interpreting the PPD.webm 9.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 21 - LC natural response example.webm 9.0 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 05 - Weak acid equilibrium.webm 9.0 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 05 - Weak acid equilibrium.webm 9.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 06 - Weak acid equilibrium.webm 9.0 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 05 - GMAT_ Math 5.webm 9.0 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/03 - Spanish colonization - 01 - The encomienda system and colonial racism part 1.webm 9.0 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/03 - Spanish colonization - 01 - The encomienda system and colonial racism part 1.webm 9.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/02 - Realism in the United States - 03 - Homer, The Fog Warning (Halibut Fishing).webm 9.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 04 - Benford's law (with Vi Hart, 1 of 2).webm 9.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 04 - Benford's law (with Vi Hart, 1 of 2).webm 9.0 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/02 - UV_Vis Spectroscopy - 03 - Conjugation and color.webm 9.0 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 12 - Conjugation and color.webm 9.0 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 04 - Conservation of Charge.webm 9.0 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 04 - Conservation of Charge.webm 9.0 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/01 - Charge and electric force (Coulomb's law) - 04 - Conservation of Charge.webm 9.0 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 03 - Conservation of Charge.webm 9.0 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/06 - Electrolytic cells and electrolysis - 01 - Introduction to electrolysis.webm 9.0 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/06 - Electrolytic cells and electrolysis - 01 - Introduction to electrolysis.webm 9.0 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 15 - Introduction to electrolysis.webm 9.0 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 09 - Defining AIDS and AIDS defining illnesses.webm 9.0 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 09 - Defining AIDS and AIDS defining illnesses.webm 9.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/01 - Repeating decimals - 03 - Converting repeating decimals to fractions (part 2 of 2).webm 9.0 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 11 - Medicare sustainability.webm 9.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 11 - Fitting a line to data.webm 9.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/09 - Discontinuities of rational functions - 01 - Discontinuities of rational functions.webm 9.0 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/08 - Discontinuities of rational functions - 01 - Discontinuities of rational functions.webm 9.0 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/07 - One-step inequalities - 01 - One-step inequalities examples.webm 9.0 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/02 - One-step inequalities - 01 - One-step inequalities examples.webm 9.0 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 10 - Second-order reaction example.webm 9.0 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 10 - Second-order reaction example.webm 9.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 11 - Second-order reaction example.webm 9.0 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 01 - Question 1a_ 2015 AP Physics 1 free response.webm 9.0 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 01 - Question 1a_ 2015 AP Physics 1 free response.webm 9.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 11 - Euler's formula.webm 9.0 MB
Science & engineering/10 - Health and medicine - 20 - Current events in health and medicine/02 - Ebola outbreak - 03 - R nought and vaccine coverage.webm 9.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/01 - A beginner's guide to ancient Rome - 02 - Digging through time.webm 9.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 07 - Theories of intelligence.webm 9.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 03 - Ancient Thebes with its Necropolis (UNESCO_TBS).webm 9.0 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 04 - Introduction to tension.webm 9.0 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/06 - Tension - 04 - Introduction to tension.webm 9.0 MB
Test prep/02 - MCAT - 08 - Physical processes/06 - Force of tension - 01 - Introduction to tension.webm 9.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/05 - Van Eyck - 03 - Jan van Eyck, Portrait of a Man in a Red Turban (Self-Portrait_), 1433.webm 9.0 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 04 - Solubility from the solubility product constant.webm 9.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 04 - Solubility from the solubility product constant.webm 9.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 04 - Solubility from the solubility product constant.webm 9.0 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/13 - Linda Jeschofnig - Co-founder of Hands-On Labs - 01 - Creating a Poof and Not a Giant Kaboom.webm 9.0 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 01 - Titles and deeds in real estate.webm 9.0 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/02 - The Civil War - 11 - Later stages of the Civil War - 1863.webm 9.0 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/02 - The Civil War - 11 - Later stages of the Civil War - 1863.webm 9.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/08 - Pneumonia - 04 - Pneumonia vs. pneumonitis.webm 9.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 05 - Pneumonia vs. pneumonitis.webm 9.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 02 - Ernst Ludwig Kirchner, 'Street, Berlin'.webm 9.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/01 - Romanticism in the United States - 02 - Cole, Expulsion from the Garden of Eden.webm 9.0 MB
Test prep/02 - MCAT - 08 - Physical processes/16 - Magnetism - 01 - Magnetism - Part 1.webm 9.0 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 37 - GMAT_ Math 37.webm 9.0 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/04 - Philip Rosedale - Founder and Chairman of Second Life - 02 - Philip Rosedale - Founder and Chairman of Second Life.webm 8.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/01 - Introduction - 01 - Anything is possible!.webm 8.9 MB
Science & engineering/01 - Physics - 16 - Special relativity/03 - Lorentz transformation - 01 - Introduction to the Lorentz transformation.webm 8.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/02 - Florence, the Late Gothic - 04 - Giotto, St. Francis Receiving the Stigmata.webm 8.9 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/09 - Order of operations - 01 - Intro to order of operations.webm 8.9 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/07 - Order of operations - 01 - Intro to order of operations.webm 8.9 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 20 - LC natural response derivation 4.webm 8.9 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/07 - Nucleophilic aromatic substitution - 01 - Nucleophilic aromatic substitution I.webm 8.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 06 - Motor neurons.webm 8.9 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 06 - Motor neurons.webm 8.9 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 06 - Motor neurons.webm 8.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 04 - Systems of equations with elimination_ potato chips.webm 8.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 04 - Systems of equations with elimination_ potato chips.webm 8.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 03 - Systems of equations with elimination_ potato chips.webm 8.9 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 13 - Pension obligations.webm 8.9 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 08 - Fischer projection practice.webm 8.9 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/06 - General sequences - 01 - Evaluating sequences in recursive form.webm 8.9 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/06 - General sequences - 01 - Evaluating sequences in recursive form.webm 8.9 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 02 - Probability without equally likely events.webm 8.9 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 03 - GMAT_ Math 3.webm 8.9 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 04 - VSEPR for 2 electron clouds.webm 8.9 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 04 - VSEPR for 2 electron clouds.webm 8.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 04 - VSEPR for 2 electron clouds.webm 8.9 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/03 - Between perfect competition and monopoly - 02 - Monopolistic competition and economic profit.webm 8.9 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 02 - Shorting stock.webm 8.9 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 11 - IIT JEE hairy trig and algebra (part 1).webm 8.9 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/05 - Olmec - 01 - Olmec mask (Olmec-style mask).webm 8.9 MB
Computing/02 - Computer science - 01 - Algorithms/01 - Intro to algorithms - 01 - What is an algorithm and why should you care_.webm 8.9 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 02 - TB epidemiology.webm 8.9 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 02 - TB epidemiology.webm 8.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 09 - GMAT_ Data sufficiency 9.webm 8.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 02 - Bit-zeeeeeeeeeee (long version).webm 8.9 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/13 - Symmetry of polynomial functions - 01 - Even and odd polynomials.webm 8.9 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/15 - Symmetry of polynomial functions - 01 - Even and odd polynomials.webm 8.9 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/02 - Simple harmonic motion (with calculus) - 01 - Introduction to harmonic motion.webm 8.9 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/02 - Simple harmonic motion (with calculus) - 01 - Introduction to harmonic motion.webm 8.9 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 01 - Introduction to magnetism.webm 8.9 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 01 - Introduction to magnetism.webm 8.9 MB
Test prep/02 - MCAT - 06 - Cells/08 - Viruses - 03 - Retroviruses.webm 8.9 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 06 - Sum of interior angles of a polygon.webm 8.9 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 10 - GMAT_ Math 10.webm 8.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 08 - Placenta accreta.webm 8.9 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 08 - Placenta accreta.webm 8.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 02 - Causes of myocarditis.webm 8.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/10 - Myocarditis and pericarditis - 02 - Causes of myocarditis.webm 8.9 MB
Science & engineering/01 - Physics - 05 - Work and energy/03 - Mechanical advantage - 03 - Mechanical advantage (part 3).webm 8.9 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/03 - Mechanical advantage - 03 - Mechanical advantage (part 3).webm 8.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 03 - Glomerular filtration in the nephron.webm 8.9 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 04 - Glomerular filtration in the nephron.webm 8.9 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 03 - Glomerular filtration in the nephron.webm 8.9 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 03 - Glomerular filtration in the nephron.webm 8.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 02 - Hals, Malle Babbe.webm 8.9 MB
Science & engineering/01 - Physics - 05 - Work and energy/02 - Springs and Hooke's law - 03 - Spring potential energy example (mistake in math).webm 8.9 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/02 - Springs and Hooke's law - 03 - Spring potential energy example (mistake in math).webm 8.9 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 09 - Spring potential energy example (mistake in math).webm 8.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 13 - Manet, In the Conservatory.webm 8.9 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 01 - Electric motors (part 1).webm 8.9 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 01 - Electric motors (part 1).webm 8.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 10 - Neurogenic shock.webm 8.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 10 - Neurogenic shock.webm 8.9 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 45 - GMAT_ Math 45.webm 8.9 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/03 - Between perfect competition and monopoly - 01 - Oligopolies and monopolistic competition.webm 8.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 01 - Electrical conduction in heart cells.webm 8.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 01 - Electrical conduction in heart cells.webm 8.9 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 06 - 2015 AP Biology free response 4.webm 8.9 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 06 - 2015 AP Biology free response 4.webm 8.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 09 - Conformational stability_ Protein folding and denaturation.webm 8.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 09 - Conformational stability_ Protein folding and denaturation.webm 8.9 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 05 - Preparation of esters via Fischer esterification.webm 8.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 03 - Preparation of esters via Fischer esterification.webm 8.9 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 03 - Correction to sodium-potassium pump video.webm 8.9 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 03 - Correction to sodium-potassium pump video.webm 8.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 06 - Correction to sodium-potassium pump video.webm 8.9 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 06 - Correction to sodium-potassium pump video.webm 8.9 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/03 - Bond-line structures - 04 - Structural (constitutional) isomers.webm 8.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 01 - Structural (constitutional) isomers.webm 8.9 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 06 - Molarity vs. molality.webm 8.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 01 - Gros, Napoleon Bonaparte Visiting the Plague-Stricken in Jaffa.webm 8.9 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/02 - Enantiomers - 02 - Cahn-Ingold-Prelog system for naming enantiomers.webm 8.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 02 - Mouth.webm 8.8 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 02 - Mouth.webm 8.8 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 02 - Mouth.webm 8.8 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/01 - Home equity and personal balance sheets - 01 - Introduction to balance sheets.webm 8.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 04 - Bruegel, the Dutch Proverbs.webm 8.8 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 07 - Freud, Standing by the Rags.webm 8.8 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/01 - Equivalent forms of exponential expressions - 02 - Rewriting exponential expressions.webm 8.8 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/01 - Equivalent forms of exponential expressions - 02 - Rewriting exponential expressions.webm 8.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 02 - Hunting for fireflies.webm 8.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 07 - Reward pathway in the brain.webm 8.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 07 - Reward pathway in the brain.webm 8.8 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 12 - Reward pathway in the brain.webm 8.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 07 - Reward pathway in the brain.webm 8.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 04 - The Berlin Wall and industrial England_.webm 8.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/05 - Spain - 02 - Velázquez, Vulcan's Forge.webm 8.8 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/04 - Introduction to radians - 01 - Intro to radians.webm 8.8 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/04 - Introduction to radians - 01 - Intro to radians.webm 8.8 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/04 - Introduction to radians - 01 - Intro to radians.webm 8.8 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/01 - Introduction to radians - 01 - Intro to radians.webm 8.8 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/01 - Introduction to radians - 01 - Intro to radians.webm 8.8 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 10 - Cerebellum.webm 8.8 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 13 - Cerebellum.webm 8.8 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/12 - Average rate of change word problems - 02 - Average rate of change word problem_ graph.webm 8.8 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/12 - Average rate of change word problems - 02 - Average rate of change word problem_ graph.webm 8.8 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 02 - Alkene nomenclature.webm 8.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 08 - Titian, Bacchus and Ariadne.webm 8.8 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 03 - Alcohol properties.webm 8.8 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 02 - Electric potential energy (part 2-- involves calculus).webm 8.8 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 02 - Electric potential energy (part 2-- involves calculus).webm 8.8 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 02 - Electric potential energy (part 2-- involves calculus).webm 8.8 MB
Science & engineering/01 - Physics - 05 - Work and energy/03 - Mechanical advantage - 01 - Introduction to mechanical advantage.webm 8.8 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/03 - Mechanical advantage - 01 - Introduction to mechanical advantage.webm 8.8 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 13 - Introduction to mechanical advantage.webm 8.8 MB
Science & engineering/01 - Physics - 05 - Work and energy/02 - Springs and Hooke's law - 01 - Intro to springs and Hooke's law.webm 8.8 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/02 - Springs and Hooke's law - 01 - Intro to springs and Hooke's law.webm 8.8 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 07 - Intro to springs and Hooke's law.webm 8.8 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 26 - GMAT_ Data sufficiency 25.webm 8.8 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 09 - Virgin from Ger.webm 8.8 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/03 - The supply curve - 01 - Law of supply.webm 8.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 06 - Fra Angelico, The Annunciation (Prado).webm 8.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 03 - Degas, The Dance Class.webm 8.8 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/05 - Exponential decay - 01 - Exponential decay intro.webm 8.8 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 03 - Taxation and dead weight loss.webm 8.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/03 - Anxiety - 01 - Generalized anxiety disorder.webm 8.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/03 - Anxiety - 01 - Generalized anxiety disorder.webm 8.8 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/11 - Challenging complex number problems - 02 - Challenging complex numbers problem (2 of 3).webm 8.8 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 15 - Challenging complex numbers problem (2 of 3).webm 8.8 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/02 - Electric field - 04 - Net electric field from multiple charges in 1D.webm 8.8 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/02 - Electric field - 04 - Net electric field from multiple charges in 1D.webm 8.8 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/02 - Electric field - 04 - Net electric field from multiple charges in 1D.webm 8.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 03 - Basics of chromatography.webm 8.8 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/04 - ATP and reaction coupling - 03 - Reaction coupling to create glucose-6-phosphate.webm 8.8 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/04 - ATP and reaction coupling - 03 - Reaction coupling to create glucose-6-phosphate.webm 8.8 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 01 - Collision theory.webm 8.8 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 01 - Collision theory.webm 8.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 13 - Collision theory.webm 8.8 MB
Math by grade/05 - 4th - 08 - Place value and rounding/01 - Intro to place value - 03 - Place value blocks.webm 8.8 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 01 - GMAT_ Data sufficiency 1.webm 8.8 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 06 - Signal characteristics - shape.webm 8.8 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 06 - Signal characteristics - shape.webm 8.8 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 05 - Nucleophilic acyl substitution.webm 8.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 05 - Nucleophilic acyl substitution.webm 8.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 01 - Lady of Auxerre.webm 8.8 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/06 - Sound (Audition) - 03 - Auditory processing.webm 8.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/03 - Sound (Audition) - 03 - Auditory processing.webm 8.8 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 06 - GMAT_ Data sufficiency 6.webm 8.8 MB
Science & engineering/01 - Physics - 05 - Work and energy/02 - Springs and Hooke's law - 02 - Potential energy stored in a spring.webm 8.8 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/02 - Springs and Hooke's law - 02 - Potential energy stored in a spring.webm 8.8 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 08 - Potential energy stored in a spring.webm 8.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/13 - Reproductive system introduction - 01 - Welcome to the reproductive system.webm 8.8 MB
Test prep/02 - MCAT - 07 - Organ systems/18 - Reproductive system - 01 - Welcome to the reproductive system.webm 8.8 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/01 - Reproductive system - 01 - Welcome to the reproductive system.webm 8.8 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 07 - Mechanisms and the rate-determining step.webm 8.8 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 07 - Mechanisms and the rate-determining step.webm 8.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 18 - Mechanisms and the rate-determining step.webm 8.8 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 01 - Production of sound.webm 8.8 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 01 - Production of sound.webm 8.8 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 01 - Production of sound.webm 8.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 06 - Lorenzetti, Presentation of Jesus in the Temple.webm 8.8 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/03 - Laws of thermodynamics - 16 - More on entropy.webm 8.8 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/03 - Laws of thermodynamics - 16 - More on entropy.webm 8.8 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/03 - Entropy - 11 - More on entropy.webm 8.8 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 10 - Supermassive black holes.webm 8.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 04 - Takayasu arteritis.webm 8.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 04 - Takayasu arteritis.webm 8.8 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 19 - Impedance vs frequency.webm 8.8 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/09 - Properties of tangents - 01 - Proof_ Radius is perpendicular to tangent line.webm 8.8 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/09 - Properties of tangents - 01 - Proof_ Radius is perpendicular to tangent line.webm 8.8 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 14 - GMAT_ Math 14.webm 8.8 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 03 - Application of the fundamental laws (setup).webm 8.8 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/03 - Style! - 01 - The Sound of Language_ Alliteration, Assonance, and Onomatopoeia.webm 8.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 04 - Adding up resistance in series and in parallel.webm 8.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 04 - Adding up resistance in series and in parallel.webm 8.8 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 39 - GMAT_ Data sufficiency 38.webm 8.8 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 19 - GMAT_ Data sufficiency 19.webm 8.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 07 - Delacroix, The Death of Sardanapalus.webm 8.8 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 06 - GMAT_ Math 6.webm 8.8 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/05 - Introduction to the trigonometric ratios - 01 - Intro to the trigonometric ratios.webm 8.7 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/04 - Introduction to the trigonometric ratios - 01 - Intro to the trigonometric ratios.webm 8.7 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/01 - Introduction to the trigonometric ratios - 01 - Intro to the trigonometric ratios.webm 8.7 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 01 - England in the Age of Exploration.webm 8.7 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 01 - England in the Age of Exploration.webm 8.7 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 03 - Calculating internal energy and work example.webm 8.7 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/01 - Internal energy - 03 - Calculating internal energy and work example.webm 8.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 07 - Caillebotte, Man at his Bath.webm 8.7 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/02 - Diffusion and osmosis - 03 - Osmosis.webm 8.7 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/02 - Diffusion and osmosis - 03 - Osmosis.webm 8.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 08 - Alpha-substitution of carboxylic acids.webm 8.7 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/16 - Quadrilaterals - 01 - Intro to quadrilaterals.webm 8.7 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 03 - Tughra (Official Signature) of Sultan Süleiman the Magnificent from Istanbul.webm 8.7 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/01 - Fractional reserve banking - 02 - Weaknesses of fractional reserve lending.webm 8.7 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/03 - Elimination reactions - 01 - E2 reactions.webm 8.7 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 06 - Stigma - Social and self.webm 8.7 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 13 - GMAT_ Math 13.webm 8.7 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 04 - Bernoulli's equation (part 3).webm 8.7 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 04 - Bernoulli's equation (part 3).webm 8.7 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 04 - Bernoulli's equation (part 3).webm 8.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 03 - Emil Nolde, 'Young Couple,' 1913.webm 8.7 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 02 - Introduction to present value.webm 8.7 MB
Math by grade/10 - High school/02 - Mathematics II - 08 - Modeling with algebra/01 - Modeling with one-variable equations and inequalities - 01 - Rational equation word problem.webm 8.7 MB
Math by grade/10 - High school/06 - Algebra II - 12 - Modeling with algebra/01 - Modeling with one-variable equations and inequalities - 01 - Rational equation word problem.webm 8.7 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 15 - Introduction to the FAFSA.webm 8.7 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/05 - Emotion - 04 - Three components of emotion and the universal emotions.webm 8.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/12 - Emotion - 04 - Three components of emotion and the universal emotions.webm 8.7 MB
Math by grade/07 - 6th - 09 - Data and statistics/06 - Interquartile range (IQR) - 01 - Interquartile range (IQR).webm 8.7 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/03 - Summarizing spread of distributions - 01 - Interquartile range (IQR).webm 8.7 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 20 - GMAT_ Math 20.webm 8.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 24 - GMAT_ Data sufficiency 23.webm 8.7 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 05 - Domain and range of inverse tangent function.webm 8.7 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 05 - Domain and range of inverse tangent function.webm 8.7 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 07 - Chronic leukemia.webm 8.7 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 07 - Chronic leukemia.webm 8.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/05 - Spain - 03 - Velázquez, Las Meninas.webm 8.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 29 - GMAT_ Data sufficiency 28.webm 8.7 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 03 - Overview of theories of development.webm 8.7 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/03 - Introduction to geometric sequences - 01 - Intro to geometric sequences.webm 8.7 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/03 - Introduction to geometric sequences - 01 - Intro to geometric sequences.webm 8.7 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/04 - Geometric sequences - 01 - Intro to geometric sequences.webm 8.7 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/04 - Geometric sequences - 01 - Intro to geometric sequences.webm 8.7 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 08 - A closer look at the Stanford prison experiment.webm 8.7 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/04 - Division intro - 01 - The idea of division.webm 8.7 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/01 - Romanticism in the United States - 04 - Lane, Owl's Head, Penobscot Bay, Maine.webm 8.7 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/01 - Chirality - 02 - Chiral examples 1.webm 8.7 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 07 - Deriving max projectile displacement given time.webm 8.7 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 07 - Deriving max projectile displacement given time.webm 8.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 07 - Rembrandt, Bathsheba at her Bath.webm 8.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 08 - Cartier-Bresson, Behind the Gare .webm 8.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 01 - Psychosis.webm 8.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 01 - Psychosis.webm 8.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 12 - Veneziano, St. Lucy Altarpiece.webm 8.7 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 07 - Heart failure diagnosis.webm 8.7 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 07 - Heart failure diagnosis.webm 8.7 MB
Math by grade/09 - 8th - 05 - Geometry/06 - Pythagorean theorem proofs - 04 - Another Pythagorean theorem proof.webm 8.7 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 04 - Another Pythagorean theorem proof.webm 8.7 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 04 - Another Pythagorean theorem proof.webm 8.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 04 - Bitcoin_ Digital signatures.webm 8.7 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 06 - Calculating dot and cross products with unit vector notation.webm 8.7 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 06 - Calculating dot and cross products with unit vector notation.webm 8.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 06 - Bitcoin_ Proof of work.webm 8.7 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 04 - The periodic table - transition metals.webm 8.7 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/01 - Introduction to the periodic table - 04 - The periodic table - transition metals.webm 8.7 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 03 - The periodic table - transition metals.webm 8.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 07 - GMAT_ Data sufficiency 7.webm 8.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrochemistry, thermodynamics, and equilibrium - 01 - Free energy and cell potential.webm 8.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/04 - Electrochemistry, thermodynamics, and equilibrium - 01 - Free energy and cell potential.webm 8.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 10 - GMAT_ Data sufficiency 10.webm 8.7 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 08 - Gout and pseudogout.webm 8.7 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 08 - Gout and pseudogout.webm 8.7 MB
Science & engineering/08 - Biology - 29 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 10 - 2015 AP Biology free response 8.webm 8.7 MB
Science & engineering/09 - AP Biology - 01 - Studying for the AP Biology exam_/01 - Free-response questions_ 2015 AP Biology exam - 10 - 2015 AP Biology free response 8.webm 8.7 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/02 - Comparative advantage and gains from trade - 01 - Comparative advantage specialization and gains from trade.webm 8.7 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 04 - Period dependence for mass on spring.webm 8.7 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/01 - Simple harmonic motion - 04 - Period dependence for mass on spring.webm 8.7 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 02 - AP US History multiple choice example 2.webm 8.7 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 02 - AP US History multiple choice example 2.webm 8.7 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 05 - Simplifying resistor networks.webm 8.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 02 - Evidence that DNA is genetic material 2.webm 8.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 05 - Titian, Noli me Tangere.webm 8.7 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/02 - Arc measure - 03 - Finding arc measures with equations.webm 8.7 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/02 - Arc measure - 03 - Finding arc measures with equations.webm 8.7 MB
Science & engineering/08 - Biology - 13 - Classical and molecular genetics/05 - Molecular basis of genetics - 03 - Alleles and genes.webm 8.7 MB
Science & engineering/08 - Biology - 15 - Central dogma (DNA to RNA to protein)/01 - Central dogma and the genetic code - 02 - Alleles and genes.webm 8.7 MB
Science & engineering/09 - AP Biology - 14 - Classical and molecular genetics/05 - Molecular basis of genetics - 03 - Alleles and genes.webm 8.7 MB
Science & engineering/09 - AP Biology - 16 - Central dogma (DNA to RNA to protein)/01 - Central dogma and the genetic code - 02 - Alleles and genes.webm 8.7 MB
Test prep/02 - MCAT - 06 - Cells/02 - Cell-cell interactions - 05 - Enzyme Linked Receptors.webm 8.7 MB
Test prep/02 - MCAT - 07 - Organ systems/05 - Biosignaling - 04 - Enzyme Linked Receptors.webm 8.7 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/04 - Biosignaling - 04 - Enzyme Linked Receptors.webm 8.7 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 40 - GMAT_ Data sufficiency 39.webm 8.7 MB
Math by grade/07 - 6th - 03 - Negative numbers/01 - Intro to negative numbers - 01 - Intro to negative numbers.webm 8.7 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 10 - Unit vector notation.webm 8.6 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 10 - Unit vector notation.webm 8.6 MB
Test prep/02 - MCAT - 08 - Physical processes/01 - Vectors and scalars - 03 - Unit vector notation.webm 8.6 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/08 - Graphs of logarithmic functions - 02 - Graphing basic logarithmic functions.webm 8.6 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/08 - Graphs of logarithmic functions - 02 - Graphing basic logarithmic functions.webm 8.6 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 02 - States of matter follow-up.webm 8.6 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 02 - States of matter follow-up.webm 8.6 MB
Science & engineering/01 - Physics - 16 - Special relativity/04 - Einstein velocity addition - 05 - Calculating neutral velocity.webm 8.6 MB
Computing/04 - Computer animation - 02 - The Art of Storytelling/01 - 1. We are all storytellers - 04 - What if....webm 8.6 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 02 - Self esteem, self efficacy, and locus of control.webm 8.6 MB
Test prep/02 - MCAT - 12 - Individuals and society/03 - Attributing behavior to persons or situations - 01 - Self esteem, self efficacy, and locus of control.webm 8.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/12 - Lymphatic system introduction - 02 - How lymphatic vessels move fluid.webm 8.6 MB
Test prep/02 - MCAT - 07 - Organ systems/10 - Lymphatic system - 02 - How lymphatic vessels move fluid.webm 8.6 MB
Test prep/05 - NCLEX-RN - 09 - Lymphatic system physiology/01 - Lymphatic system - 02 - How lymphatic vessels move fluid.webm 8.6 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 13 - Cross product and torque.webm 8.6 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 13 - Cross product and torque.webm 8.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 03 - Weber's law and thresholds.webm 8.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 03 - Weber's law and thresholds.webm 8.6 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/05 - Exponents with negative bases - 05 - Sign of expressions challenge problems.webm 8.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 06 - Spout battery configuration and polarization.webm 8.6 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 02 - Reduction of carboxylic acids.webm 8.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 02 - Reduction of carboxylic acids.webm 8.6 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/05 - Dependent events - 03 - Dependent probability example.webm 8.6 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/06 - Proofs of general theorems that use triangle congruence - 03 - Geometry proof problem_ squared circle.webm 8.6 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 06 - Less versus fewer.webm 8.6 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 04 - Mortgage-backed securities III.webm 8.6 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 07 - Mortgage-backed securities III.webm 8.6 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 03 - Voronoi Partition.webm 8.6 MB
Math by grade/05 - 4th - 02 - Multiplication and division/06 - Division_ place value and area - 01 - Division using place value.webm 8.6 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 02 - Stellar parallax.webm 8.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 09 - Differences in translation between prokaryotes and eukaryotes.webm 8.6 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 01 - Introduction to combinatorics.webm 8.6 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/07 - Nigeria - 04 - Male figure, Ikenga (Igbo Peoples).webm 8.6 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 04 - GMAT_ Data sufficiency 4.webm 8.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 05 - Slaves (marble sculptures).webm 8.6 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 03 - What is capital_.webm 8.6 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 05 - Functionalism.webm 8.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/01 - Coronary artery disease - 06 - Heart attack (myocardial infarct) medications.webm 8.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/02 - Coronary artery disease - 06 - Heart attack (myocardial infarct) medications.webm 8.6 MB
Science & engineering/01 - Physics - 09 - Fluids/01 - Density and Pressure - 02 - Pressure and Pascal's principle (part 1).webm 8.6 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/01 - Density and Pressure - 02 - Pressure and Pascal's principle (part 1).webm 8.6 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 01 - Pressure and Pascal's principle (part 1).webm 8.6 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 06 - Total final velocity for projectile.webm 8.6 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 06 - Total final velocity for projectile.webm 8.6 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 02 - Hedge fund structure and fees.webm 8.6 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/04 - Monetary and fiscal policy - 01 - Monetary and fiscal policy.webm 8.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 02 - Visual sensory information.webm 8.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 02 - Visual sensory information.webm 8.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 01 - Introduction to printmaking.webm 8.6 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 03 - Cross product 1.webm 8.6 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 03 - Cross product 1.webm 8.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 04 - Blood cell lineages.webm 8.6 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 08 - Blood cell lineages.webm 8.6 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/10 - Preload and afterload - 07 - Active contraction vs. passive recoil.webm 8.6 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/10 - Preload and afterload - 07 - Active contraction vs. passive recoil.webm 8.6 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 04 - Graphs of rational functions_ vertical asymptotes.webm 8.6 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 04 - Graphs of rational functions_ vertical asymptotes.webm 8.6 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/03 - Percent word problems - 01 - Growing by a percentage.webm 8.6 MB
Math by grade/08 - 7th - 07 - Statistics and probability/01 - Basic probability - 05 - Intuitive sense of probabilities.webm 8.5 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 07 - Intuitive sense of probabilities.webm 8.5 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 07 - Intuitive sense of probabilities.webm 8.5 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 03 - Trigonometry review.webm 8.5 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/07 - Basic trigonometric identities - 02 - Tangent identities_ symmetry.webm 8.5 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/04 - Basic trigonometric identities - 02 - Tangent identities_ symmetry.webm 8.5 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/04 - Basic trigonometric identities - 02 - Tangent identities_ symmetry.webm 8.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 07 - The Himalayas/02 - Tibet - 03 - The Buddhist deity Simhavaktra Dakini.webm 8.5 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 11 - Zero-order reaction (with calculus).webm 8.5 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 11 - Zero-order reaction (with calculus).webm 8.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 12 - Zero-order reaction (with calculus).webm 8.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 16 - Franz Kline.webm 8.5 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 08 - Gestalt principles.webm 8.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 10 - Gestalt principles.webm 8.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/01 - Anemia - 01 - What is anemia_.webm 8.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/01 - Anemia - 01 - What is anemia_.webm 8.5 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 44 - GMAT_ Math 44.webm 8.5 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 05 - Amide formation from acyl chloride.webm 8.5 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/01 - Compound interest basics - 02 - The rule of 72 for compound interest.webm 8.5 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/09 - Trigonometric ratios and similarity - 03 - Trig challenge problem_ trig values and side ratios.webm 8.5 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/08 - Trigonometric ratios and similarity - 03 - Trig challenge problem_ trig values and side ratios.webm 8.5 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/05 - Trigonometric ratios and similarity - 03 - Trig challenge problem_ trig values and side ratios.webm 8.5 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/02 - Solving quadratics by factoring - 04 - Quadratic equations word problem_ triangle dimensions.webm 8.5 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/05 - Solving quadratics by factoring - 04 - Quadratic equations word problem_ triangle dimensions.webm 8.5 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/09 - Adding and subtracting negative numbers_ variables - 01 - Substitution with negative numbers.webm 8.5 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 06 - Reiter's syndrome.webm 8.5 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 06 - Reiter's syndrome.webm 8.5 MB
Math by grade/05 - 4th - 02 - Multiplication and division/06 - Division_ place value and area - 02 - Division with area models.webm 8.5 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/12 - Maya, Aztec, and Inca - 02 - Inca Empire overview.webm 8.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 08 - Gauguin, The Red Cow.webm 8.5 MB
Science & engineering/01 - Physics - 09 - Fluids/02 - Buoyant Force and Archimedes' Principle - 02 - Buoyant force example problems.webm 8.5 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/02 - Buoyant Force and Archimedes' Principle - 02 - Buoyant force example problems.webm 8.5 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/02 - Triangle congruence - 04 - Determining congruent triangles.webm 8.5 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/01 - How to think like a historian - 01 - Thinking like a historian.webm 8.5 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/01 - Thinking like a historian - 01 - Thinking like a historian.webm 8.5 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 03 - Refraction of seismic waves.webm 8.5 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 06 - More on total revenue and elasticity.webm 8.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 03 - Ortho-para directors III.webm 8.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/12 - Lymphatic system introduction - 05 - What is actually in lymph.webm 8.5 MB
Test prep/02 - MCAT - 07 - Organ systems/10 - Lymphatic system - 05 - What is actually in lymph.webm 8.5 MB
Test prep/05 - NCLEX-RN - 09 - Lymphatic system physiology/01 - Lymphatic system - 05 - What is actually in lymph.webm 8.5 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 08 - Organic chemistry naming examples 2.webm 8.5 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 08 - Organic chemistry naming examples 2.webm 8.5 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 02 - Work and energy (part 2).webm 8.5 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 02 - Work and energy (part 2).webm 8.5 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 02 - Work and energy (part 2).webm 8.5 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 13 - Caravaggio, Calling of Saint Matthew and Inspiration of St. Matthew.webm 8.5 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 06 - British Colonies to the Early Republic/01 - Colonial period - 01 - Copley, Boy with a Squirrel.webm 8.5 MB
Math by grade/05 - 4th - 03 - Fractions/01 - Equivalent fractions - 04 - Equivalent fractions and different wholes.webm 8.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/11 - Principles of bioenergetics - 04 - Enthalpy.webm 8.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 05 - Hybridization (microarray).webm 8.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 07 - Delusional disorder.webm 8.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 07 - Delusional disorder.webm 8.5 MB
Arts and humanities/01 - World history - 06 - The 20th century/08 - Rise of Hitler and the Nazis - 05 - Nazi aggression and appeasement.webm 8.5 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/01 - Home equity and personal balance sheets - 02 - More on balance sheets and equity.webm 8.5 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 02 - Molecular mass percentage.webm 8.5 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/04 - Molecular composition - 02 - Molecular mass percentage.webm 8.5 MB
Science & engineering/01 - Physics - 15 - Geometric optics/02 - Mirrors - 02 - Parabolic mirrors and real images.webm 8.5 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/02 - Mirrors - 02 - Parabolic mirrors and real images.webm 8.5 MB
Test prep/02 - MCAT - 08 - Physical processes/23 - Spherical mirrors - 02 - Parabolic mirrors and real images.webm 8.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 06 - Friedel-Crafts acylation.webm 8.5 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 06 - Triangle angle challenge problem.webm 8.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 03 - Primary hypertension.webm 8.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 03 - Primary hypertension.webm 8.5 MB
Math by grade/06 - 5th - 05 - Geometry/03 - Quadrilaterals - 01 - Intro to quadrilateral.webm 8.5 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 09 - Intro to quadrilateral.webm 8.5 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 05 - Aromatic stability V.webm 8.5 MB
Test prep/02 - MCAT - 06 - Cells/10 - Cellular development - 06 - Cellular movement.webm 8.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/14 - Bronchiolitis - 01 - What is bronchiolitis_.webm 8.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 01 - What is bronchiolitis_.webm 8.5 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 30 - GMAT_ Data sufficiency 29.webm 8.5 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 02 - Demographic structure of society - race and ethnicity.webm 8.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/12 - Changing the PV loop - 09 - Stroke work in PV loops and boxes.webm 8.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/12 - Changing the PV loop - 09 - Stroke work in PV loops and boxes.webm 8.5 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 01 - Visual cues.webm 8.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 01 - Visual cues.webm 8.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 02 - Arteriosclerosis, arteriolosclerosis, and atherosclerosis.webm 8.5 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 28 - GMAT_ Math 28.webm 8.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 08 - Glucose insulin and diabetes.webm 8.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 10 - Cézanne, The Red Rock.webm 8.5 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/03 - Theorems concerning triangle properties - 02 - Proofs concerning isosceles triangles.webm 8.5 MB
Arts and humanities/01 - World history - 01 - Beginnings - 600 BCE/04 - Ancient art and artifacts - 02 - Ptolemaic_ Rosetta Stone.webm 8.4 MB
Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 04 - Ptolemaic_ Rosetta Stone.webm 8.4 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/01 - Sectional tension in the 1850s - 03 - Uncle Tom's Cabin - plot and analysis.webm 8.4 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/01 - Sectional tension in the 1850s - 02 - Uncle Tom's Cabin - plot and analysis.webm 8.4 MB
Science & engineering/08 - Biology - 16 - Gene regulation/01 - Gene regulation in bacteria - 02 - Trp operon.webm 8.4 MB
Science & engineering/09 - AP Biology - 17 - Gene regulation/01 - Gene regulation in bacteria - 02 - Trp operon.webm 8.4 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 12 - 2015 AP Chemistry free response 2d and e.webm 8.4 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 08 - 2015 AP Chemistry free response 2d and e.webm 8.4 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 12 - 2015 AP Chemistry free response 2d and e.webm 8.4 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 08 - 2015 AP Chemistry free response 2d and e.webm 8.4 MB
Test prep/02 - MCAT - 06 - Cells/01 - Cell membrane overview - 04 - Cell membrane proteins.webm 8.4 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 35 - GMAT_ Data sufficiency 34.webm 8.4 MB
Science & engineering/01 - Physics - 16 - Special relativity/04 - Einstein velocity addition - 03 - Applying Einstein velocity addition.webm 8.4 MB
Math by grade/08 - 7th - 06 - Geometry/03 - Vertical, complementary, and supplementary angles - 02 - Complementary and supplementary angles.webm 8.4 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 07 - Complementary and supplementary angles.webm 8.4 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 04 - Common tangent of circle and hyperbola (3 of 5).webm 8.4 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 25 - Common tangent of circle and hyperbola (3 of 5).webm 8.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/04 - Campin - 01 - Campin, Christ and the Virgin.webm 8.4 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 02 - Atomic mass.webm 8.4 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 08 - Myelodysplastic syndrome.webm 8.4 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 08 - Myelodysplastic syndrome.webm 8.4 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 28 - GMAT_ Data sufficiency 27.webm 8.4 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 05 - Trig challenge problem_ maximum value.webm 8.4 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 29 - Trig challenge problem_ maximum value.webm 8.4 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 34 - GMAT_ Math 34.webm 8.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 02 - Regulation of pyruvate dehydrogenase.webm 8.4 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 08 - Pangaea.webm 8.4 MB
Computing/04 - Computer animation - 14 - Rendering/01 - Rendering 101 - 02 - 1. What is ray tracing_.webm 8.4 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 04 - Somatosensation.webm 8.4 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/07 - Somatosensation - 01 - Somatosensation.webm 8.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 05 - Somatosensation.webm 8.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/04 - Somatosensation - 01 - Somatosensation.webm 8.4 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 02 - Markovnikov's rule and carbocations.webm 8.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 07 - Risk factors for bipolar disorder.webm 8.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 07 - Risk factors for bipolar disorder.webm 8.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 02 - Housing price conundrum (part 2).webm 8.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 02 - Housing price conundrum (part 2).webm 8.4 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 05 - Phosphorous cycle.webm 8.4 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 06 - Phosphorous cycle.webm 8.4 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 07 - Phosphorous cycle.webm 8.4 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 08 - Phosphorous cycle.webm 8.4 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 05 - Phosphorous cycle.webm 8.4 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 06 - Phosphorous cycle.webm 8.4 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 07 - Phosphorous cycle.webm 8.4 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 08 - Phosphorous cycle.webm 8.4 MB
Math by grade/10 - High school/02 - Mathematics II - 08 - Modeling with algebra/01 - Modeling with one-variable equations and inequalities - 03 - Exponential equation word problem.webm 8.4 MB
Math by grade/10 - High school/06 - Algebra II - 12 - Modeling with algebra/01 - Modeling with one-variable equations and inequalities - 03 - Exponential equation word problem.webm 8.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 03 - Chicago, Pasadena Lifesaver, Blue Series, No. 4 and Benglis, Omega.webm 8.4 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 01 - Titration introduction.webm 8.4 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 01 - Titration introduction.webm 8.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 01 - Titration introduction.webm 8.4 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 27 - IR sensor.webm 8.4 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 09 - IIT JEE function maxima.webm 8.4 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 02 - Specular and diffuse reflection 2.webm 8.4 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 02 - Specular and diffuse reflection 2.webm 8.4 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 02 - Specular and diffuse reflection 2.webm 8.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 02 - Unemployment rate primer (v2).webm 8.4 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/08 - Introduction to hyperbolas - 02 - Vertices and direction of a hyperbola.webm 8.4 MB
Math by grade/09 - 8th - 05 - Geometry/09 - Rotations - 01 - Intro to geometric transformations.webm 8.4 MB
Math by grade/09 - 8th - 05 - Geometry/10 - Reflections - 01 - Intro to geometric transformations.webm 8.4 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/01 - Introduction to rigid transformations - 01 - Intro to geometric transformations.webm 8.4 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/01 - Introduction to rigid transformations - 01 - Intro to geometric transformations.webm 8.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 02 - Danny O'Neill - Getting started.webm 8.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 08 - Pacinian's Corpuscle and Merkel's Disk.webm 8.4 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 08 - Pacinian's Corpuscle and Merkel's Disk.webm 8.4 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 08 - Pacinian's Corpuscle and Merkel's Disk.webm 8.4 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/01 - Fractional reserve banking - 03 - Full reserve banking.webm 8.4 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/04 - Proving polynomial identities - 01 - Analyzing polynomial identities.webm 8.4 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/06 - Proving polynomial identities - 01 - Analyzing polynomial identities.webm 8.4 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 06 - Lifecycle of massive stars.webm 8.4 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/01 - Chirality - 03 - Chiral examples 2.webm 8.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/02 - Sumerian - 01 - Writing Cuneiform.webm 8.4 MB
Math by grade/09 - 8th - 05 - Geometry/03 - Pythagorean theorem - 01 - Intro to the Pythagorean theorem.webm 8.4 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 01 - Intro to the Pythagorean theorem.webm 8.4 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 01 - Intro to the Pythagorean theorem.webm 8.4 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 04 - Nasal polyps.webm 8.4 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 04 - Nasal polyps.webm 8.4 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 12 - More exponential decay examples.webm 8.4 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/03 - Temperature and state changes in water - 03 - Heat of vaporization of water and ethanol.webm 8.4 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/03 - Temperature and state changes in water - 03 - Heat of vaporization of water and ethanol.webm 8.4 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/01 - Counting electrons - 03 - Formal charge on nitrogen.webm 8.4 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 04 - GMAT_ Math 4.webm 8.4 MB
Math by grade/07 - 6th - 09 - Data and statistics/03 - Histograms - 01 - Creating a histogram.webm 8.4 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/01 - Displays of distributions - 02 - Creating a histogram.webm 8.4 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/01 - Displays of distributions - 02 - Creating a histogram.webm 8.4 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 06 - Review of revenue and cost graphs for a monopoly.webm 8.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 02 - Stages of hypertension.webm 8.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 02 - Stages of hypertension.webm 8.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 12 - Electrocardioversion.webm 8.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 12 - Electrocardioversion.webm 8.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 01 - Greek debt recession and austerity (part 1).webm 8.4 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/05 - European Union - 03 - Greek debt recession and austerity (part 1).webm 8.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/11 - Principles of bioenergetics - 02 - An analogy for Gibbs free energy.webm 8.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/20 - Bioenergetics - 01 - An analogy for Gibbs free energy.webm 8.4 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/04 - Chronic Bronchitis (COPD) - 01 - What is chronic bronchitis_.webm 8.4 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/04 - Chronic bronchitis (COPD) - 01 - What is chronic bronchitis_.webm 8.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/09 - Skeletal system introduction - 04 - Skeletal endocrine control.webm 8.4 MB
Test prep/02 - MCAT - 07 - Organ systems/16 - Skeletal system - 04 - Skeletal endocrine control.webm 8.4 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/02 - Skeletal system - 04 - Skeletal endocrine control.webm 8.4 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 07 - Putting it all together - Pathophysiology of Parkinson's disease.webm 8.4 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/01 - Parkinson's disease - 08 - Putting it all together - Pathophysiology of Parkinson's disease.webm 8.4 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 06 - Putting it all together - Pathophysiology of Parkinson's disease.webm 8.4 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/01 - Parkinson's disease - 07 - Putting it all together - Pathophysiology of Parkinson's disease.webm 8.4 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 03 - Return on capital.webm 8.3 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 01 - Magnetic field created by a current carrying wire.webm 8.3 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/02 - Magnetic field created by a current - 01 - Magnetic field created by a current carrying wire.webm 8.3 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 08 - Electron configuration for d block element.webm 8.3 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 08 - Electron configuration for d block element.webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 09 - GMAT_ Math 9.webm 8.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 03 - How and why Greece would leave the Euro (part 3).webm 8.3 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/05 - European Union - 05 - How and why Greece would leave the Euro (part 3).webm 8.3 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 20 - IIT JEE trace and determinant.webm 8.3 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 01 - Marginal cost and average total cost.webm 8.3 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 02 - 1. Counting with tables.webm 8.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 12 - Blood cell lineages.webm 8.3 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 04 - Blood cell lineages.webm 8.3 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 11 - Blood cell lineages.webm 8.3 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 11 - Blood cell lineages.webm 8.3 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 02 - The Caesar cipher.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 08 - Addition of carbon nucleophiles to aldehydes and ketones.webm 8.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 11 - Addition of carbon nucleophiles to aldehydes and ketones.webm 8.3 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/04 - Special right triangles - 02 - Special right triangles intro (part 2).webm 8.3 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 02 - Special right triangles intro (part 2).webm 8.3 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 17 - AC analysis superposition.webm 8.3 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/02 - Law of cosines - 03 - Proof of the law of cosines.webm 8.3 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/11 - Law of cosines - 03 - Proof of the law of cosines.webm 8.3 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/02 - The law of cosines - 03 - Proof of the law of cosines.webm 8.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 07 - Overview of Sensation and Meissner's Corpuscle.webm 8.3 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 07 - Overview of Sensation and Meissner's Corpuscle.webm 8.3 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 07 - Overview of Sensation and Meissner's Corpuscle.webm 8.3 MB
Math by grade/09 - 8th - 05 - Geometry/06 - Pythagorean theorem proofs - 01 - Garfield's proof of the Pythagorean theorem.webm 8.3 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 01 - Garfield's proof of the Pythagorean theorem.webm 8.3 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 01 - Garfield's proof of the Pythagorean theorem.webm 8.3 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 02 - Rate of reaction.webm 8.3 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/01 - Reaction rates and rate laws - 02 - Rate of reaction.webm 8.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 01 - Rate of reaction.webm 8.3 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 01 - Overview of psychoactive drugs.webm 8.3 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 01 - Overview of psychoactive drugs.webm 8.3 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 01 - Overview of psychoactive drugs.webm 8.3 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/02 - Dimensional analysis for converting - 01 - Same rate with different units.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 01 - Reduction of alkynes.webm 8.3 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 02 - Psychoanalytic theory.webm 8.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 02 - Masaccio, Virgin and Child Enthroned.webm 8.3 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 02 - Intro to logarithm properties (2 of 2).webm 8.3 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 02 - Intro to logarithm properties (2 of 2).webm 8.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 06 - Pablo Picasso, 'Guitar, Glass, and Bottle'.webm 8.3 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 09 - Feminist theory.webm 8.3 MB
Science & engineering/08 - Biology - 04 - Properties of carbon/02 - Hydrocarbon structures and functional groups - 02 - Isomers.webm 8.3 MB
Science & engineering/09 - AP Biology - 05 - Properties of carbon/02 - Hydrocarbon structures and functional groups - 02 - Isomers.webm 8.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 07 - Picasso, Guitar.webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 01 - GMAT_ Math 1.webm 8.3 MB
Math by grade/09 - 8th - 01 - Numbers and operations/10 - Arithmetic with numbers in scientific notation - 02 - Multiplying three numbers in scientific notation.webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 12 - GMAT_ Math 12.webm 8.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 04 - Ingres, Raphael and the Fornarina.webm 8.3 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 03 - Half-life of a first-order reaction.webm 8.3 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 03 - Half-life of a first-order reaction.webm 8.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 06 - Half-life of a first-order reaction.webm 8.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 07 - Lung cancer treatment.webm 8.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 07 - Lung cancer treatment.webm 8.3 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 02 - Pressure and the simple mercury barometer.webm 8.3 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/05 - Old videos on projectile motion - 05 - Projectile motion (part 5).webm 8.3 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/05 - Old videos on projectile motion - 05 - Projectile motion (part 5).webm 8.3 MB
Math by grade/07 - 6th - 09 - Data and statistics/05 - Mean and median challenge problems - 02 - Median and range puzzlers.webm 8.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/01 - Introduction to stocks - 02 - Bonds vs. stocks.webm 8.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 07 - Bonds vs. stocks.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 02 - Hydrohalogenation of alkynes.webm 8.3 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 08 - Observational learning_ Bobo doll experiment and social cognitive theory.webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 23 - GMAT_ Math 23.webm 8.3 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/05 - Keynesian thinking - 02 - Risks of Keynesian thinking.webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 18 - GMAT_ Math 18.webm 8.3 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/02 - Arc measure - 02 - Finding arc measures.webm 8.3 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/02 - Arc measure - 02 - Finding arc measures.webm 8.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 06 - Bronzino, Portrait of Eleonora of Toledo with her son Giov.webm 8.3 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/03 - Fractional reserve accounting - 01 - Simple fractional reserve accounting (part 1).webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 46 - GMAT_ Math 46.webm 8.3 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 01 - Probability using combinations.webm 8.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 20 - Somatosensory tracts.webm 8.3 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 20 - Somatosensory tracts.webm 8.3 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 09 - Somatosensory tracts.webm 8.3 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 09 - Somatosensory tracts.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 01 - Carboxylic acid nomenclature and properties.webm 8.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 01 - Carboxylic acid nomenclature and properties.webm 8.3 MB
Science & engineering/10 - Health and medicine - 11 - Nervous system diseases/02 - Multiple sclerosis - 07 - Multiple sclerosis treatment.webm 8.3 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 07 - Multiple sclerosis treatment.webm 8.3 MB
Test prep/05 - NCLEX-RN - 17 - Nervous system diseases/02 - Multiple sclerosis - 08 - Multiple sclerosis treatment.webm 8.3 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 33 - GMAT_ Math 33.webm 8.3 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 03 - Voltage.webm 8.3 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 03 - Voltage.webm 8.3 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 03 - Voltage.webm 8.3 MB
Test prep/02 - MCAT - 08 - Physical processes/13 - Electrostatics - 07 - Voltage.webm 8.3 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 10 - Blood conditions in pregnancy.webm 8.3 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 10 - Blood conditions in pregnancy.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 02 - Ketone naming.webm 8.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/01 - Tuberculosis - 06 - Extrapulmonary TB (part 1).webm 8.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/05 - Tuberculosis - 06 - Extrapulmonary TB (part 1).webm 8.3 MB
Math by grade/07 - 6th - 09 - Data and statistics/05 - Mean and median challenge problems - 03 - Impact on median and mean_ removing an outlier.webm 8.3 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/02 - Summarizing center of distributions (central tendency) - 04 - Impact on median and mean_ removing an outlier.webm 8.3 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/02 - Summarizing center of distributions (central tendency) - 04 - Impact on median and mean_ removing an outlier.webm 8.3 MB
Computing/04 - Computer animation - 14 - Rendering/01 - Rendering 101 - 03 - 2. Light reflection.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 03 - Amides, anhydrides, esters, and acyl chlorides.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 12 - Hydrogen deficiency index.webm 8.3 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 12 - Hydrogen deficiency index.webm 8.3 MB
Science & engineering/11 - Electrical engineering - 09 - Reverse engineering/02 - Hair dryer - 03 - Compare the hair dryer motor to the one you can build.webm 8.3 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 04 - Bicyclic compounds.webm 8.3 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 04 - Bicyclic compounds.webm 8.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/11 - Principles of bioenergetics - 06 - Thermodynamics vs kinetics.webm 8.3 MB
Science & engineering/05 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 04 - A look at a seductive but wrong Gibbs spontaneity proof.webm 8.2 MB
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/04 - Gibbs free energy - 04 - A look at a seductive but wrong Gibbs spontaneity proof.webm 8.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/22 - Thermochemistry - 08 - A look at a seductive but wrong Gibbs spontaneity proof.webm 8.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 11 - Paint Application Studies of Jackson Pollock's Mural.webm 8.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 02 - Breaking down diabetes.webm 8.2 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 03 - Breaking down diabetes.webm 8.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 02 - Breaking down diabetes.webm 8.2 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 03 - Breaking down diabetes.webm 8.2 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/03 - Acceleration - 03 - Airbus A380 take-off distance.webm 8.2 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 03 - Airbus A380 take-off distance.webm 8.2 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/03 - Acceleration - 03 - Airbus A380 take-off distance.webm 8.2 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 03 - Airbus A380 take-off distance.webm 8.2 MB
Test prep/02 - MCAT - 08 - Physical processes/03 - Acceleration - 03 - Airbus A380 take-off distance.webm 8.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/07 - Pulmonary hypertension - 02 - Pulmonary hypertension symptoms and causes.webm 8.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 02 - Pulmonary hypertension symptoms and causes.webm 8.2 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 02 - Connecting the keynesian cross to the IS curve.webm 8.2 MB
Math by grade/07 - 6th - 04 - Properties of numbers/04 - Greatest common factor - 03 - GCF and LCM word problems.webm 8.2 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 16 - GMAT_ Data sufficiency 16.webm 8.2 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 07 - Bare_bear, allowed_aloud, advice_advise, and break_brake.webm 8.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/07 - Direct and inverse variation - 02 - Recognizing direct and inverse variation.webm 8.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/06 - Direct and inverse variation - 02 - Recognizing direct and inverse variation.webm 8.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 03 - Resistance in a tube.webm 8.2 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 08 - Resistance in a tube.webm 8.2 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 13 - Resistance in a tube.webm 8.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 07 - Resistance in a tube.webm 8.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 03 - Resistance in a tube.webm 8.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 10 - How white blood cells move around.webm 8.2 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 10 - How white blood cells move around.webm 8.2 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 10 - How white blood cells move around.webm 8.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 05 - Room_ 1960s.webm 8.2 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 06 - Change of state example.webm 8.2 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 06 - Change of state example.webm 8.2 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 04 - Pegging the yuan.webm 8.2 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 06 - Solubility and the common-ion effect.webm 8.2 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 06 - Solubility and the common-ion effect.webm 8.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 05 - Solubility and the common-ion effect.webm 8.2 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/03 - Subtracting decimals - 02 - Strategies for subtracting more complex decimals with tenths.webm 8.2 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 02 - GMAT_ Data sufficiency 2.webm 8.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 03 - Emphysema diagnosis.webm 8.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 03 - Emphysema diagnosis.webm 8.2 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 04 - Smooth collisions.webm 8.2 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 06 - Rate constant k from half-life example.webm 8.2 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 06 - Rate constant k from half-life example.webm 8.2 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/15 - Dave Gilboa and Neil Blumenthal - Co-founders and Co-CEOs of Warby Parker - 02 - It was just mayhem.webm 8.2 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 08 - Observational learning_ Bobo doll experiment and social cognitive theory.webm 8.2 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 04 - Hydroboration-oxidation.webm 8.2 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 10 - Electron configuration for f block element Nd.webm 8.2 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 10 - Electron configuration for f block element Nd.webm 8.2 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 01 - Introduction to work and energy.webm 8.2 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 01 - Introduction to work and energy.webm 8.2 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 01 - Introduction to work and energy.webm 8.2 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/06 - Arterial stiffness - 01 - Compliance and elastance.webm 8.2 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/06 - Arterial stiffness - 01 - Compliance and elastance.webm 8.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 06 - Sepsis_ Systemic inflammatory response syndrome (SIRS) to multiple organ dysfunction syndrome (MODS).webm 8.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 06 - Sepsis_ Systemic inflammatory response syndrome (SIRS) to multiple organ dysfunction syndrome (MODS).webm 8.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 13 - Uterine inversion.webm 8.2 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 13 - Uterine inversion.webm 8.2 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 02 - Encoding strategies.webm 8.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 02 - Encoding strategies.webm 8.2 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 14 - Illinois pension obligations.webm 8.2 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/02 - Triangle congruence - 03 - Why SSA isn't a congruence postulate_criterion.webm 8.2 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/03 - The supply curve - 02 - Factors affecting supply.webm 8.2 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 03 - IIT JEE perpendicular plane (part 2).webm 8.2 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/05 - Two-step equations with decimals and fractions - 01 - Two-step equations with decimals and fractions.webm 8.2 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 03 - Nomenclature and properties of amides.webm 8.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/16 - Carboxylic acid derivatives - 03 - Nomenclature and properties of amides.webm 8.2 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 11 - Paramagnetism and diamagnetism.webm 8.1 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 11 - Paramagnetism and diamagnetism.webm 8.1 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 15 - Paramagnetism and diamagnetism.webm 8.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 02 - Raphael, Madonna of the Goldfinch.webm 8.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 05 - Neuron action potential description.webm 8.1 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 05 - Neuron action potential description.webm 8.1 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 05 - Neuron action potential description.webm 8.1 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/04 - Special right triangles - 01 - Special right triangles intro (part 1).webm 8.1 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 01 - Special right triangles intro (part 1).webm 8.1 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/01 - Solving equations by graphing - 03 - Solving equations graphically (1 of 2).webm 8.1 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/01 - Solving equations by graphing - 03 - Solving equations graphically (1 of 2).webm 8.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 49 - GMAT_ Math 49.webm 8.1 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 07 - Pythagorean theorem II.webm 8.1 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 08 - Pythagorean theorem II.webm 8.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 09 - Cézanne, Still Life with Plaster Cupid.webm 8.1 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 01 - Physiological concept of positive and negative feedback.webm 8.1 MB
Arts and humanities/01 - World history - 06 - The 20th century/01 - Beginning of World War I - 04 - Language and religion of the former Yugoslavia.webm 8.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/07 - Mendelian genetics - 02 - Co-dominance and Incomplete Dominance.webm 8.1 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 02 - Titration calculation example.webm 8.1 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 02 - Titration calculation example.webm 8.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 02 - Titration calculation example.webm 8.1 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 32 - GMAT_ Data sufficiency 31.webm 8.1 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/01 - Naming benzene derivatives - 01 - Naming benzene derivatives introduction.webm 8.1 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/07 - Finding inverse functions - 05 - Finding inverse functions_ rational.webm 8.1 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/07 - Finding inverse functions - 05 - Finding inverse functions_ rational.webm 8.1 MB
Math by grade/09 - 8th - 01 - Numbers and operations/05 - Exponent properties intro - 03 - Exponent properties with quotients.webm 8.1 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/02 - Exponential equations_ properties of exponents - 02 - Solving exponential equations using exponent properties (advanced).webm 8.1 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/02 - Solving exponential equations using properties of exponents - 02 - Solving exponential equations using exponent properties (advance.webm 8.1 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 12 - Return on capital and economic growth.webm 8.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/04 - Quadratic vertex form - 03 - Quadratic word problems (vertex form).webm 8.1 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/03 - Slope - 01 - Intro to slope.webm 8.1 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/03 - Slope - 01 - Intro to slope.webm 8.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 06 - Delacroix, Scene of the Massacre at Chios.webm 8.1 MB
Computing/04 - Computer animation - 07 - Patterns/02 - Painting with randomness - 02 - One dimensional noise.webm 8.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 05 - Schizoaffective disorder.webm 8.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 05 - Schizoaffective disorder.webm 8.1 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/03 - Between perfect competition and monopoly - 03 - Oligopolies, duopolies, collusion, and cartels.webm 8.1 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/04 - Special right triangles - 06 - Area of a regular hexagon.webm 8.1 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 06 - Area of a regular hexagon.webm 8.1 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/03 - Nara period (710–794) - 01 - Standing Brahma and standing Indra.webm 8.1 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/02 - The age of Jackson - 02 - Jacksonian Democracy - the 'corrupt bargain' and the election of 1824.webm 8.1 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/02 - The age of Jackson - 02 - Jacksonian Democracy - the 'corrupt bargain' and the election of 1824.webm 8.1 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/07 - Properties of multiplication - 02 - Properties and patterns for multiplication.webm 8.1 MB
Math by grade/05 - 4th - 06 - Geometry/04 - Measuring angles - 01 - Measuring angles in degrees.webm 8.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 01 - Measuring angles in degrees.webm 8.1 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/01 - Naming carboxylic acids - 01 - Carboxylic acid introduction.webm 8.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 06 - Millet, The Gleaners.webm 8.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 01 - Umberto Boccioni, 'Dynamism of a Soccer Player'.webm 8.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 36 - GMAT_ Math 36.webm 8.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/06 - Christus - 01 - Christus, Portrait of a Carthusian.webm 8.1 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 03 - Mixed (crossed) aldol condensation.webm 8.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 06 - Mixed (crossed) aldol condensation.webm 8.1 MB
Arts and humanities/04 - Art history/02 - Prehistoric art in Europe and West Asia - 01 - Paleolithic art/01 - Paleolithic art - 01 - Nude woman (Venus of Willendorf).webm 8.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/09 - Pleural Effusion - 01 - What is a pleural effusion_.webm 8.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 01 - What is a pleural effusion_.webm 8.1 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/07 - Malaria - 04 - Preventing malaria.webm 8.1 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/04 - Malaria - 04 - Preventing malaria.webm 8.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 05 - Lipids as cofactors and signaling molecules.webm 8.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 01 - Perimeter and area.webm 8.1 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/06 - Variations on cellular respiration - 02 - Alcohol or ethanol fermentation.webm 8.1 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/06 - Variations on cellular respiration - 02 - Alcohol or ethanol fermentation.webm 8.1 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 05 - Banking 5_ Introduction to bank notes.webm 8.1 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 07 - GMAT_ Math 7.webm 8.1 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 05 - Snell's law example 1.webm 8.1 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 05 - Another mass composition problem.webm 8.1 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/04 - Molecular composition - 05 - Another mass composition problem.webm 8.1 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 19 - LC natural response derivation 3.webm 8.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 12 - Correggio, Jupiter and Io.webm 8.1 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 05 - IIT JEE complex root probability (part 2).webm 8.1 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 01 - Conformity and groupthink.webm 8.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 09 - Ruffini's Ending and Hair Follicle Receptor.webm 8.1 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 09 - Ruffini's Ending and Hair Follicle Receptor.webm 8.1 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 09 - Ruffini's Ending and Hair Follicle Receptor.webm 8.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 01 - Late Gothic art in Italy/03 - Siena, the Late Gothic - 04 - Duccio, The Virgin and Child with Saints Dominic and Aurea.webm 8.1 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/04 - Angle bisector theorem - 01 - Intro to angle bisector theorem.webm 8.1 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/04 - Angle bisector theorem - 01 - Intro to angle bisector theorem.webm 8.1 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 07 - Introduction to Newton's law of gravitation.webm 8.1 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 07 - Introduction to Newton's law of gravitation.webm 8.1 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 01 - Law of demand.webm 8.0 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 02 - Law of demand.webm 8.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 08 - Extranuclear inheritance 1.webm 8.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 07 - Placental abruption.webm 8.0 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 07 - Placental abruption.webm 8.0 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 02 - Halogenation.webm 8.0 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 11 - Unit vector notation (part 2).webm 8.0 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 11 - Unit vector notation (part 2).webm 8.0 MB
Test prep/02 - MCAT - 08 - Physical processes/01 - Vectors and scalars - 04 - Unit vector notation (part 2).webm 8.0 MB
Math by grade/07 - 6th - 09 - Data and statistics/01 - Dot plots and frequency tables - 02 - Frequency tables and dot plots.webm 8.0 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/01 - Displays of distributions - 01 - Frequency tables and dot plots.webm 8.0 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/01 - Displays of distributions - 01 - Frequency tables and dot plots.webm 8.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 11 - Caryatid and column from the Erechtheion.webm 8.0 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 01 - Thermodynamics part 1_ Molecular theory of gases.webm 8.0 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 01 - Thermodynamics part 1_ Molecular theory of gases.webm 8.0 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 03 - Naming alkanes with alkyl groups.webm 8.0 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 03 - Naming alkanes with alkyl groups.webm 8.0 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/07 - Ben Milne - CEO of Dwolla - 02 - Ben Milne - Importance of Curiosity.webm 8.0 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 08 - Kirchhoff's voltage law.webm 8.0 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 08 - Kirchhoff's voltage law.webm 8.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 02 - Kirchhoff's voltage law.webm 8.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/04 - Hematologic system introduction - 03 - Blood types.webm 8.0 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/01 - Hematologic system introduction - 03 - Blood types.webm 8.0 MB
Test prep/02 - MCAT - 07 - Organ systems/08 - Hematologic system - 04 - Blood types.webm 8.0 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/01 - Economic profit and opportunity cost - 01 - Economic profit vs accounting profit.webm 8.0 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 10 - Assessing alignment of the lateral cervical spine (neck) X-ray.webm 8.0 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 10 - What should we learn next_.webm 8.0 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 02 - Doppler effect formula for observed frequency.webm 8.0 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 02 - Doppler effect formula for observed frequency.webm 8.0 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 11 - Doppler effect formula for observed frequency.webm 8.0 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/01 - Vector basics - 03 - Equivalent vectors.webm 8.0 MB
Science & engineering/01 - Physics - 16 - Special relativity/03 - Lorentz transformation - 03 - Algebraically manipulating Lorentz transformation.webm 8.0 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 10 - Introduction to exponential decay.webm 8.0 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/01 - Two-variable linear equations intro - 04 - Completing solutions to 2-variable equations.webm 8.0 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/01 - Two-variable linear equations intro - 04 - Completing solutions to 2-variable equations.webm 8.0 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 06 - Aggression.webm 8.0 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 07 - Aggression.webm 8.0 MB
Test prep/02 - MCAT - 06 - Cells/01 - Cell membrane overview - 03 - Cell membrane overview and fluid mosaic model.webm 8.0 MB
Math by grade/10 - High school/03 - Mathematics III - 09 - Study Design/02 - Observational studies and experiments - 01 - Types of statistical studies.webm 8.0 MB
Math by grade/10 - High school/07 - High school statistics - 04 - Study design/02 - Observational studies and experiments - 01 - Types of statistical studies.webm 8.0 MB
Science & engineering/08 - Biology - 04 - Properties of carbon/02 - Hydrocarbon structures and functional groups - 01 - Hydrocarbon overview.webm 8.0 MB
Science & engineering/09 - AP Biology - 05 - Properties of carbon/02 - Hydrocarbon structures and functional groups - 01 - Hydrocarbon overview.webm 8.0 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 07 - Emission spectrum of hydrogen.webm 8.0 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 04 - Osteoarthritis vsrheumatoid arthritis treatments.webm 8.0 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 04 - Osteoarthritis vsrheumatoid arthritis treatments.webm 8.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/08 - Hans Holbein - 02 - Holbein the Younger, the Merchant Georg Gisze.webm 8.0 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 09 - Inverse relationship between capital price and returns.webm 8.0 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/09 - Adding vectors in magnitude and direction form - 02 - Adding vectors in magnitude and direction form (2 of 2).webm 8.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/06 - Late classical (4th century) - 03 - Lysippos, Apoxyomenos (Scraper).webm 8.0 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 06 - Traces of illegal migration in Mexico_ Mark Ruwedel.webm 8.0 MB
Computing/04 - Computer animation - 03 - Simulation/02 - Code your own simulation - 05 - Multiple spring-mass system.webm 8.0 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 07 - Oxidizing and reducing agents.webm 8.0 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 07 - Oxidizing and reducing agents.webm 8.0 MB
Test prep/02 - MCAT - 08 - Physical processes/30 - Redox reactions - 01 - Oxidizing and reducing agents.webm 8.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/02 - Dada - 04 - '3 Standard Stoppages,' Marcel Duchamp.webm 8.0 MB
Science & engineering/08 - Biology - 28 - Plant biology/01 - Plant responses to light - 01 - Phototropism.webm 8.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/07 - Pulmonary hypertension - 03 - Hypoxic vasoconstriction.webm 8.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 03 - Hypoxic vasoconstriction.webm 8.0 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/05 - Types of chemical reactions - 05 - Complete ionic and net ionic equations.webm 8.0 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/06 - Wave interference - 01 - Wave interference.webm 8.0 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/06 - Wave interference - 01 - Wave interference.webm 8.0 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 06 - Doppler effect_ reflection off a moving object.webm 8.0 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 06 - Doppler effect_ reflection off a moving object.webm 8.0 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 15 - Doppler effect_ reflection off a moving object.webm 8.0 MB
Test prep/02 - MCAT - 06 - Cells/10 - Cellular development - 02 - Cellular communication.webm 8.0 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/01 - Fractional reserve banking - 01 - Overview of fractional reserve banking.webm 8.0 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/02 - Diffusion and osmosis - 04 - Hypotonic, isotonic, and hypertonic solutions (tonicity).webm 8.0 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/02 - Diffusion and osmosis - 04 - Hypotonic, isotonic, and hypertonic solutions (tonicity).webm 8.0 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/03 - Celiac disease - 02 - What is celiac disease.webm 8.0 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/03 - Celiac disease - 02 - What is celiac disease.webm 8.0 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 02 - Modeling hair.webm 8.0 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/01 - Balance of payments- current account and capital account - 02 - Balance of payments_ Capital account.webm 8.0 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/05 - Functional groups - 01 - Functional groups.webm 8.0 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/05 - Functional groups - 01 - Functional groups.webm 8.0 MB
Math by grade/01 - Kindergarten - 03 - Measurement and geometry/02 - Basic shapes - 02 - Recognizing shapes.webm 8.0 MB
Math by grade/02 - 1st - 04 - Geometry/01 - Shapes - 02 - Recognizing shapes.webm 8.0 MB
Math by grade/03 - 2nd - 05 - Geometry/01 - Shapes - 02 - Recognizing shapes.webm 8.0 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 09 - RSA encryption_ Step 4.webm 8.0 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 36 - GMAT_ Data sufficiency 35.webm 8.0 MB
Math by grade/05 - 4th - 02 - Multiplication and division/02 - Multi-digit multiplication_ place value and area models - 05 - Multiplying with area model_ 16 x 27.webm 8.0 MB
Math by grade/05 - 4th - 02 - Multiplication and division/05 - Division problems that work out nicely - 02 - Canceling zeros when dividing.webm 8.0 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/10 - Area of inscribed triangle - 01 - Proof_ radius is perpendicular to a chord it bisects.webm 8.0 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/10 - Area of inscribed triangle - 01 - Proof_ radius is perpendicular to a chord it bisects.webm 8.0 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 01 - Introduction to momentum.webm 8.0 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 01 - Introduction to momentum.webm 8.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 06 - Paul Gauguin, Vision after the Sermon, or Jacob Wrestling with the.webm 8.0 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/04 - Linear models word problems - 02 - Linear models word problem_ marbles.webm 8.0 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/04 - Linear models word problems - 02 - Linear models word problem_ marbles.webm 8.0 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/04 - Correlative conjunctions and starting sentences - 02 - Beginning sentences with conjunctions.webm 8.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 08 - Graphing rational functions 2.webm 8.0 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 08 - Graphing rational functions 2.webm 8.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 04 - Dali, Metamorphosis of Narcissus.webm 8.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/04 - Chronic Bronchitis (COPD) - 02 - Chronic bronchitis pathophysiology.webm 7.9 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/04 - Chronic bronchitis (COPD) - 02 - Chronic bronchitis pathophysiology.webm 7.9 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 04 - Ka and acid strength.webm 7.9 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 04 - Ka and acid strength.webm 7.9 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 03 - Ka and acid strength.webm 7.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 02 - Ka and acid strength.webm 7.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 02 - Johns, White Flag.webm 7.9 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 01 - Introduction to mental disorders.webm 7.9 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 12 - Room_ 1970s and 1980s.webm 7.9 MB
Computing/04 - Computer animation - 09 - Animation/01 - Introduction to animation - 03 - 2. Linear interpolation.webm 7.9 MB
Math by grade/07 - 6th - 09 - Data and statistics/10 - Shape of data distributions - 02 - Clusters, gaps, peaks and outliers.webm 7.9 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 04 - Long term supply curve and economic profit.webm 7.9 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 05 - Preparation of mesylates and tosylates.webm 7.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 06 - Preparation of mesylates and tosylates.webm 7.9 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 04 - Mixed (crossed) aldol condensation using a lithium enolate.webm 7.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 07 - Mixed (crossed) aldol condensation using a lithium enolate.webm 7.9 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 09 - Factors that influence obedience and conformity.webm 7.9 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 16 - Negative frequency.webm 7.9 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 01 - Biogeochemical cycles overview.webm 7.9 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 01 - Biogeochemical cycles overview.webm 7.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 07 - Gas chromatography.webm 7.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 07 - Gauguin, Nevermore.webm 7.9 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 08 - Carbocation rearrangement practice.webm 7.9 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/04 - Interpreting graphs and tables of basic exponential functions - 01 - Analyzing tables of exponential functions.webm 7.9 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 04 - Analyzing tables of exponential functions.webm 7.9 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/03 - Sums and products of rational_irrational numbers - 05 - Worked example_ rational vs. irrational expressions (unknowns).webm 7.9 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/02 - Sums and products of rational and irrational numbers - 06 - Worked example_ rational vs. irrational expressions (unknowns).webm 7.9 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 04 - Derivation of gas constants using molar volume and STP.webm 7.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 04 - Equations with rational expressions (example 2).webm 7.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/05 - Solving rational equations - 04 - Equations with rational expressions (example 2).webm 7.9 MB
Math by grade/05 - 4th - 02 - Multiplication and division/01 - Multiplication by 10s, 100s, and 1000s - 02 - Multiplying 1-digit numbers by multiples of 10, 100, and 1000.webm 7.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 10 - Robert Delaunay, 'Simultaneous Contrasts_ Sun and Moon'.webm 7.9 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 02 - Hesse, Untitled (Rope Piece).webm 7.9 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/04 - Nomenclature and properties of ethers - 03 - Properties of ethers and crown ethers.webm 7.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 02 - Shock - hemodynamics.webm 7.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 02 - Shock - hemodynamics.webm 7.9 MB
Science & engineering/01 - Physics - 16 - Special relativity/04 - Einstein velocity addition - 02 - Einstein velocity addition formula derivation.webm 7.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 06 - Conformational stability_ Protein folding and denaturation.webm 7.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/05 - Sculpture - 01 - Carpeaux, Dance.webm 7.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 11 - GMAT_ Data sufficiency 11.webm 7.9 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/01 - Balance of payments- current account and capital account - 03 - Why current and capital accounts net out.webm 7.9 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/03 - Introduction to conjunctions - 02 - Subordinating conjunctions.webm 7.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 12 - Anaphylactic shock.webm 7.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 12 - Anaphylactic shock.webm 7.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 02 - Degas, At the Races in the Countryside.webm 7.9 MB
Arts and humanities/01 - World history - 06 - The 20th century/01 - Beginning of World War I - 05 - Assassination of Franz Ferdinand.webm 7.9 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 09 - More exponential decay examples.webm 7.9 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 09 - More exponential decay examples.webm 7.9 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 09 - More exponential decay examples.webm 7.9 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 09 - Viewing g as the value of Earth's gravitational field near the surface.webm 7.9 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/04 - Kinematic formulas and projectile motion - 09 - Viewing g as the value of Earth's gravitational field near the surface.webm 7.9 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/04 - One-step multiplication and division equations - 01 - One-step division equations.webm 7.9 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/04 - One-step multiplication and division equations - 01 - One-step division equations.webm 7.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 01 - Genji Ukifune.webm 7.9 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/03 - Center of mass - 01 - Center of mass.webm 7.9 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/03 - Center of mass - 01 - Center of mass.webm 7.9 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 06 - Center of mass.webm 7.9 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/06 - Simplifying square roots - 03 - Simplifying square-root expressions.webm 7.9 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/06 - Simplifying square roots - 03 - Simplifying square-root expressions.webm 7.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 03 - Moholy-Nagy, EM1, EM2, and EM3 (Tel.webm 7.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 14 - Functions of the nervous system.webm 7.9 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 14 - Functions of the nervous system.webm 7.9 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 02 - Functions of the nervous system.webm 7.9 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 02 - Functions of the nervous system.webm 7.9 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/04 - Multiplying monomials - 01 - Multiplying monomials.webm 7.9 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/04 - Multiplying monomials - 01 - Multiplying monomials.webm 7.9 MB
Arts and humanities/04 - Art history/05 - Art of the Islamic world - 04 - Late period/01 - Late period - 06 - Two portraits, two views.webm 7.9 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/09 - Adding vectors in magnitude and direction form - 01 - Adding vectors in magnitude and direction form (1 of 2).webm 7.8 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 06 - Using pKa values to predict the position of equilibrium.webm 7.8 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/08 - Introduction to hyperbolas - 04 - Graphing hyperbolas (old example).webm 7.8 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 16 - GMAT_ Math 16.webm 7.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 08 - Septic shock_ Diagnosis and treatment.webm 7.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 08 - Septic shock_ Diagnosis and treatment.webm 7.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 04 - British art in the 18th century/01 - British art in the eighteenth century - 05 - Room_ 1760-1780.webm 7.8 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/15 - Solving equations with inverse matrices - 01 - Representing linear systems with matrix equations.webm 7.8 MB
Math by grade/09 - 8th - 05 - Geometry/06 - Pythagorean theorem proofs - 02 - Bhaskara's proof of the Pythagorean theorem.webm 7.8 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 02 - Bhaskara's proof of the Pythagorean theorem.webm 7.8 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 02 - Bhaskara's proof of the Pythagorean theorem.webm 7.8 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 05 - Diagnosis, treatment, and prevention of chlamydia.webm 7.8 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 05 - Diagnosis, treatment, and prevention of chlamydia.webm 7.8 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 03 - Shorting stock 2.webm 7.8 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/01 - Home equity and personal balance sheets - 03 - Home equity loans.webm 7.8 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/09 - Adding and subtracting negative numbers_ variables - 02 - Ordering expressions.webm 7.8 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/04 - Irregular plural nouns_ mutant and foreign plurals - 03 - BONUS VIDEO – Origin of the Mutant Plural.webm 7.8 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/05 - Old videos on projectile motion - 02 - Projectile motion (part 2).webm 7.8 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/05 - Old videos on projectile motion - 02 - Projectile motion (part 2).webm 7.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/03 - Anxiety - 04 - Obsessive compulsive disorder.webm 7.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/03 - Anxiety - 04 - Obsessive compulsive disorder.webm 7.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 11 - Cézanne, Still Life with Apples.webm 7.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 02 - Ingres, La Grande Odalisque.webm 7.8 MB
Arts and humanities/01 - World history - 06 - The 20th century/06 - Aftermath of World War I - 04 - More detail on the Treaty of Versailles and Germany.webm 7.8 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/02 - The United States in World War I - 06 - More detail on the Treaty of Versailles and Germany.webm 7.8 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/02 - The United States in World War I - 06 - More detail on the Treaty of Versailles and Germany.webm 7.8 MB
Computing/04 - Computer animation - 14 - Rendering/01 - Rendering 101 - 01 - Introduction to rendering.webm 7.8 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/02 - Resonance structures - 02 - Resonance structure patterns.webm 7.8 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/03 - Reconstruction - 03 - The 15th Amendment.webm 7.8 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/03 - Reconstruction - 03 - The 15th Amendment.webm 7.8 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 03 - Danny O'Neill - Finding the perfect customer.webm 7.8 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/08 - Two-step inequalities - 02 - Two-step inequality word problem_ apples.webm 7.8 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/03 - Two-step inequalities - 02 - Two-step inequality word problem_ apples.webm 7.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 04 - Postpartum physiology.webm 7.8 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 04 - Postpartum physiology.webm 7.8 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 11 - Dipole moment.webm 7.8 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 11 - Dipole moment.webm 7.8 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/04 - Electronegativity - 02 - Dipole moment.webm 7.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 05 - Dipole moment.webm 7.8 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/02 - Population genetics - 02 - Hardy-Weinberg equation.webm 7.8 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/02 - Population genetics - 02 - Hardy-Weinberg equation.webm 7.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/07 - Mendelian genetics - 04 - Hardy-Weinberg equation.webm 7.8 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 01 - Doppler effect introduction.webm 7.8 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 01 - Doppler effect introduction.webm 7.8 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 10 - Doppler effect introduction.webm 7.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/13 - Stress - 05 - Behavioral effects of stress.webm 7.8 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 01 - Simplifying higher-index roots.webm 7.8 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 01 - Simplifying higher-index roots.webm 7.8 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 05 - Taxes and perfectly inelastic demand.webm 7.8 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 34 - Normal vector from plane equation.webm 7.8 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/07 - Magnitude and direction form of vectors - 02 - Direction of vectors from components_ 3rd and 4th quadrants.webm 7.8 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 05 - Inductor kickback (2 of 2).webm 7.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/07 - Pulmonary hypertension - 06 - Pulmonary hypertension treatment.webm 7.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 06 - Pulmonary hypertension treatment.webm 7.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/08 - Cardiomyopathy - 06 - Cardiomyopathy treatment.webm 7.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/09 - Cardiomyopathy - 06 - Cardiomyopathy treatment.webm 7.8 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 05 - Thermodynamics part 5_ Molar ideal gas law problem.webm 7.8 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/01 - Temperature, kinetic theory, and the ideal gas law - 05 - Thermodynamics part 5_ Molar ideal gas law problem.webm 7.8 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/03 - Fractional reserve accounting - 02 - Simple fractional reserve accounting (part 2).webm 7.8 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/03 - Sleep and consciousness - 02 - Sleep stages and circadian rhythms.webm 7.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 02 - Sleep stages and circadian rhythms.webm 7.8 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 01 - Information processing model_ Sensory, working, and long term memory.webm 7.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 01 - Information processing model_ Sensory, working, and long term memory.webm 7.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 10 - Information processing model_ Sensory, working, and long term memory.webm 7.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 07 - Secondary hypertension.webm 7.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 07 - Secondary hypertension.webm 7.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/08 - Attention - 03 - The spotlight model of attention and our ability to multitask.webm 7.8 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 10 - Surface Tension and Adhesion.webm 7.8 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 10 - Surface Tension and Adhesion.webm 7.8 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 09 - Surface Tension and Adhesion.webm 7.8 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/02 - Specific heat and heat transfer - 03 - Thermal conduction.webm 7.8 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/02 - Specific heat and heat transfer - 03 - Thermal conduction.webm 7.8 MB
Computing/04 - Computer animation - 14 - Rendering/01 - Rendering 101 - 06 - Getting to know Susan Fong.webm 7.8 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 05 - Acetals as protecting groups and thioacetals.webm 7.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 08 - Acetals as protecting groups and thioacetals.webm 7.8 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/08 - Taste (gustation) and smell (olfaction) - 02 - Pheromones.webm 7.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/05 - Taste (gustation) and smell (olfaction) - 01 - Pheromones.webm 7.8 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 07 - Jamestown - the impact of tobacco.webm 7.7 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 07 - Jamestown - the impact of tobacco.webm 7.7 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/07 - Comparing exponential and polynomial functions - 02 - Comparing growth of exponential and quadratic models.webm 7.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 05 - Dividing rational expressions_ unknown expression.webm 7.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 07 - Dividing rational expressions_ unknown expression.webm 7.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 05 - Dividing rational expressions_ unknown expression.webm 7.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 07 - Dividing rational expressions_ unknown expression.webm 7.7 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 04 - The nitrogen cycle.webm 7.7 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 05 - The nitrogen cycle.webm 7.7 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 06 - The nitrogen cycle.webm 7.7 MB
Science & engineering/08 - Biology - 23 - Ecology/07 - Biogeochemical cycles - 07 - The nitrogen cycle.webm 7.7 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 04 - The nitrogen cycle.webm 7.7 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 05 - The nitrogen cycle.webm 7.7 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 06 - The nitrogen cycle.webm 7.7 MB
Science & engineering/09 - AP Biology - 24 - Ecology/07 - Biogeochemical cycles - 07 - The nitrogen cycle.webm 7.7 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/06 - Determining the domain of a function - 02 - Worked example_ domain of algebraic functions.webm 7.7 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/06 - Determining the domain of a function - 02 - Worked example_ domain of algebraic functions.webm 7.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 02 - Extractions.webm 7.7 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/04 - Hyphens, dashes, and ellipses - 01 - Dashes.webm 7.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 02 - Klee, Twittering Machine.webm 7.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 09 - Fernand Léger, 'Contrast of Forms'.webm 7.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 13 - Louis Comfort Tiffany, Vase.webm 7.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 02 - Relations and functions.webm 7.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 04 - Shorthand notation for galvanic_voltaic cells.webm 7.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 04 - Shorthand notation for galvanic_voltaic cells.webm 7.7 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 04 - Shorthand notation for galvanic_voltaic cells.webm 7.7 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 01 - What is lung cancer_.webm 7.7 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 01 - What is lung cancer_.webm 7.7 MB
Math by grade/06 - 5th - 04 - Measurement and data/05 - Data - 01 - Line plot distribution_ trail mix.webm 7.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 08 - Preparation of alkyl halides from alcohols.webm 7.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/13 - Stress - 02 - Stressors.webm 7.7 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/10 - Song China - 03 - Prosperity in Song China (960-1279).webm 7.7 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/07 - Dividing decimals - 01 - Division strategies for decimal quotients.webm 7.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 01 - Bitcoin_ What is it_.webm 7.7 MB
Math by grade/08 - 7th - 07 - Statistics and probability/01 - Basic probability - 01 - Intro to theoretical probability.webm 7.7 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 01 - Intro to theoretical probability.webm 7.7 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 01 - Intro to theoretical probability.webm 7.7 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/01 - Basic probability - 01 - Intro to theoretical probability.webm 7.7 MB
Computing/04 - Computer animation - 11 - Character modeling/01 - Modeling with subdivision surfaces - 02 - 1. Split vs. average.webm 7.7 MB
Science & engineering/01 - Physics - 10 - Thermodynamics/02 - Specific heat and heat transfer - 05 - Intuition behind formula for thermal conductivity.webm 7.7 MB
Science & engineering/03 - AP Physics 2 - 02 - Thermodynamics/02 - Specific heat and heat transfer - 05 - Intuition behind formula for thermal conductivity.webm 7.7 MB
Arts and humanities/02 - US history - 04 - The road to revolution (1754-1800)/02 - Creating a nation - 01 - The Articles of Confederation.webm 7.7 MB
Arts and humanities/03 - AP US History - 04 - Period 3_ 1754-1800/02 - Creating a nation - 01 - The Articles of Confederation.webm 7.7 MB
Science & engineering/10 - Health and medicine - 21 - Health care system/01 - Health care system - 04 - Healthcare system overview.webm 7.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 06 - Ad Reinhardt.webm 7.7 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 02 - Nuclear stability and nuclear equations.webm 7.7 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 02 - Nuclear stability and nuclear equations.webm 7.7 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 02 - Nuclear stability and nuclear equations.webm 7.7 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 04 - Nuclear stability and nuclear equations.webm 7.7 MB
Math by grade/05 - 4th - 08 - Place value and rounding/02 - How 10 relates to place value - 01 - Multiplying whole numbers by 10.webm 7.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 06 - Breathing related sleep disorders.webm 7.7 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 09 - Amortization.webm 7.7 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 05 - Graphs of exponential functions (old example).webm 7.7 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 05 - Graphs of exponential functions (old example).webm 7.7 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/10 - Applications of vectors - 03 - Vectors word problem_ hiking.webm 7.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/05 - Unit circle definition of sine, cosine, and tangent - 01 - Unit circle.webm 7.7 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/02 - The unit circle definition of sine, cosine, and tangent - 01 - Unit circle.webm 7.7 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/02 - The unit circle definition of sine, cosine, and tangent - 01 - Unit circle.webm 7.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/21 - Thermodynamics - 02 - Zeroth law of thermodynamics.webm 7.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 04 - Risk factors for dementia.webm 7.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 04 - Risk factors for dementia.webm 7.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 05 - Portrait head of Queen Tiye with a crown of two feathers.webm 7.7 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/04 - Real and nominal GDP - 01 - Real GDP and nominal GDP.webm 7.7 MB
Math by grade/05 - 4th - 08 - Place value and rounding/02 - How 10 relates to place value - 02 - Dividing whole numbers by 10.webm 7.7 MB
Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/01 - Nash equilibrium - 02 - More on Nash equilibrium.webm 7.7 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 01 - Representing a line tangent to a hyperbola.webm 7.7 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 32 - Representing a line tangent to a hyperbola.webm 7.7 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 01 - Introduction to torque.webm 7.7 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 01 - Introduction to torque.webm 7.7 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 07 - Introduction to torque.webm 7.7 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/03 - Graphs of proportional relationships - 01 - Proportional relationships_ graphs.webm 7.6 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/05 - Old videos on projectile motion - 01 - Projectile motion (part 1).webm 7.6 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/05 - Old videos on projectile motion - 01 - Projectile motion (part 1).webm 7.6 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 05 - Operant conditioning_ Schedules of reinforcement.webm 7.6 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 09 - Sn1 mechanism_ carbocation rearrangement.webm 7.6 MB
Science & engineering/01 - Physics - 16 - Special relativity/02 - Minkowski spacetime - 01 - Starting to set up a Newtonian path–time diagram.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 01 - Intro to logarithm properties (1 of 2).webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 01 - Intro to logarithm properties (1 of 2).webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 05 - Rational equations word problem_ eliminating solutions.webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 05 - Rational equations word problem_ eliminating solutions.webm 7.6 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 02 - Structure of the earth.webm 7.6 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/02 - Graphs of absolute value functions - 03 - Graphing absolute value functions.webm 7.6 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 01 - Elimination vs substitution_ reagent.webm 7.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 07 - Small intestine 2_ Digestion.webm 7.6 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 07 - Small intestine 2_ Digestion.webm 7.6 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 07 - Small intestine 2_ Digestion.webm 7.6 MB
Science & engineering/05 - Chemistry - 08 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 04 - Comparing Q vs K example.webm 7.6 MB
Science & engineering/06 - AP Chemistry - 11 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 04 - Comparing Q vs K example.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/04 - Change of base formula for logarithms - 01 - Evaluating logarithms_ change of base rule.webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/04 - The change of base formula for logarithms - 01 - Evaluating logarithms_ change of base rule.webm 7.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 04 - Hypertension effects on the heart.webm 7.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 05 - Hypertension effects on the heart.webm 7.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 09 - Spider's bezel.webm 7.6 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 09 - Carrie Mae Weems on her series 'From Here I Saw What Happened and I C.webm 7.6 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 01 - Demographic structure of society - age.webm 7.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 06 - RC natural response - intuition.webm 7.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 01 - What is myocarditis and pericarditis_.webm 7.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/10 - Myocarditis and pericarditis - 01 - What is myocarditis and pericarditis_.webm 7.6 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 05 - Synthesis of substituted benzene rings II.webm 7.6 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 16 - Quantiative electrolysis.webm 7.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 08 - Gel electrophoresis.webm 7.6 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 02 - Schizophrenia symptoms.webm 7.6 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 02 - Schizophrenia symptoms.webm 7.6 MB
Science & engineering/01 - Physics - 16 - Special relativity/04 - Einstein velocity addition - 04 - Finding an in-between frame of reference.webm 7.6 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/02 - Interest basics - 02 - Interest (part 2).webm 7.6 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 01 - Finding trig values using angle addition identities.webm 7.6 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 01 - Finding trig values using angle addition identities.webm 7.6 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 02 - Integral of sin(mt) and cos(mt).webm 7.6 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 02 - Introduction to reference frames.webm 7.6 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 02 - Introduction to reference frames.webm 7.6 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 04 - The one-time pad.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/06 - Introduction to inverses of functions - 01 - Intro to inverse functions.webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/06 - Introduction to inverses of functions - 01 - Intro to inverse functions.webm 7.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 15 - Diagnosing strokes with lab tests.webm 7.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 15 - Diagnosing strokes with lab tests.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 08 - Least common multiple of polynomials.webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 08 - Least common multiple of polynomials.webm 7.6 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 10 - Challenge problems_ perimeter and area.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/02 - Finite arithmetic series - 02 - Worked example_ arithmetic series (sigma notation).webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/03 - Finite arithmetic series - 02 - Worked example_ arithmetic series (sigma notation).webm 7.6 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/03 - Finite arithmetic series - 02 - Worked example_ arithmetic series (sigma notation).webm 7.6 MB
Math by grade/06 - 5th - 02 - Fractions/08 - Multiplying fractions - 06 - Finding area with fractional sides 2.webm 7.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 13 - Endocrine pancreas.webm 7.6 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 13 - Endocrine pancreas.webm 7.6 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 13 - Endocrine pancreas.webm 7.6 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 05 - Associative property of matrix multiplication.webm 7.6 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 02 - Marginal revenue and marginal cost.webm 7.6 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 04 - Producer surplus.webm 7.6 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 10 - FICA tax.webm 7.6 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/08 - Point-slope form - 02 - Point-slope and slope-intercept equations.webm 7.6 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/08 - Point-slope form - 02 - Point-slope and slope-intercept equations.webm 7.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/09 - Systems of quadratic equations - 02 - Quadratic systems_ algebraic solution.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/02 - Systems of quadratic equations - 02 - Quadratic systems_ algebraic solution.webm 7.6 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/02 - Systems of quadratic equations - 02 - Quadratic systems_ algebraic solution.webm 7.6 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 02 - Introduction to bonds.webm 7.6 MB
Arts and humanities/01 - World history - 06 - The 20th century/08 - Rise of Hitler and the Nazis - 02 - Hitler's Beer Hall Putsch.webm 7.6 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/03 - Keynesian cross - 01 - Keynesian cross.webm 7.6 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/01 - Factors and multiples - 01 - Finding factors of a number.webm 7.6 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 03 - Nitration.webm 7.6 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/04 - Finite geometric series applications - 01 - Finite geometric series word problem_ social media.webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/06 - Finite geometric series applications - 01 - Finite geometric series word problem_ social media.webm 7.5 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/06 - Finite geometric series applications - 01 - Finite geometric series word problem_ social media.webm 7.5 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 05 - Types of escrow in real estate.webm 7.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 14 - Sn1 vs Sn2_ Solvent effects.webm 7.5 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/06 - Solving basic exponential models - 01 - Exponential growth and decay word problems.webm 7.5 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/03 - Rate of exponential growth and decay intro - 01 - Exponential growth and decay word problems.webm 7.5 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/05 - Exponential decay - 03 - Exponential growth and decay word problems.webm 7.5 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/01 - Binomial theorem - 03 - Expanding binomials.webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/01 - The binomial theorem - 03 - Expanding binomials.webm 7.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/13 - Stress - 06 - Stress management.webm 7.5 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 17 - Redox titration.webm 7.5 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 11 - Redox titration.webm 7.5 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 17 - Redox titration.webm 7.5 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 11 - Redox titration.webm 7.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 10 - Redox titration.webm 7.5 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/05 - Old videos on projectile motion - 04 - Projectile motion (part 4).webm 7.5 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/05 - Old videos on projectile motion - 04 - Projectile motion (part 4).webm 7.5 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/04 - Electron configurations - 05 - Electron configurations for the first period.webm 7.5 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/03 - Electron configurations - 05 - Electron configurations for the first period.webm 7.5 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 11 - Electron configurations for the first period.webm 7.5 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/02 - Laws of thermodynamics - 06 - Why heat increases entropy.webm 7.5 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/02 - Laws of thermodynamics - 06 - Why heat increases entropy.webm 7.5 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/04 - One-step multiplication and division equations - 03 - One-step multiplication and division equations_ fractions and decimals.webm 7.5 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/04 - One-step multiplication and division equations - 03 - One-step multiplication and division equations_ fractions and decimals.webm 7.5 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 05 - Create water surface using particles.webm 7.5 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 06 - Balloon payment mortgage.webm 7.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 10 - Manet, Émile Zola.webm 7.5 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 08 - Catalysts.webm 7.5 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 08 - Catalysts.webm 7.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 19 - Catalysts.webm 7.5 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/05 - Old videos on projectile motion - 03 - Projectile motion (part 3).webm 7.5 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/05 - Old videos on projectile motion - 03 - Projectile motion (part 3).webm 7.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 12 - Cassatt, The Child's Bath.webm 7.5 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/06 - Graphs of sine, cosine, and tangent - 01 - Graph of y=sin(x).webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/03 - The graphs of sine, cosine, and tangent - 01 - Graph of y=sin(x).webm 7.5 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/03 - The graphs of sine, cosine, and tangent - 01 - Graph of y=sin(x).webm 7.5 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/01 - The graphs of sine, cosine, and tangent - 01 - Graph of y=sin(x).webm 7.5 MB
Test prep/02 - MCAT - 06 - Cells/05 - Eukaryotic cells - 06 - Epithelial and connective tissue.webm 7.5 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 06 - pH and pKa relationship for buffers.webm 7.5 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 06 - pH and pKa relationship for buffers.webm 7.5 MB
Science & engineering/01 - Physics - 16 - Special relativity/03 - Lorentz transformation - 05 - Deriving Lorentz transformation part 2.webm 7.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 10 - Wallis, Chatterton.webm 7.5 MB
Math by grade/05 - 4th - 05 - Measurement and data/03 - Estimating length - 01 - Metric system_ units of distance.webm 7.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 19 - Renoir, La Loge.webm 7.5 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 07 - Introduction to partial pressure.webm 7.5 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 07 - Introduction to partial pressure.webm 7.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 04 - Poliomyelitis diagnosis and treatment.webm 7.5 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 05 - Poliomyelitis diagnosis and treatment.webm 7.5 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 05 - Poliomyelitis diagnosis and treatment.webm 7.5 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 09 - Unit vectors and engineering notation.webm 7.5 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 09 - Unit vectors and engineering notation.webm 7.5 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/04 - Rise of Rome - 03 - Background of the Carthaginians.webm 7.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 16 - Toulouse-Lautrec, At the Moulin Rouge.webm 7.5 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/05 - Features and forms of quadratic functions - 02 - Worked examples_ Forms and features of quadratic functions.webm 7.5 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/09 - Features and forms of quadratic functions - 02 - Worked examples_ Forms and features of quadratic functions.webm 7.5 MB
Science & engineering/01 - Physics - 09 - Fluids/02 - Buoyant Force and Archimedes' Principle - 01 - Archimedes principle and buoyant force.webm 7.5 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/02 - Buoyant Force and Archimedes' Principle - 01 - Archimedes principle and buoyant force.webm 7.5 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 05 - Archimedes principle and buoyant force.webm 7.5 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/03 - Standard equation of a circle - 03 - Writing standard equation of a circle.webm 7.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/11 - Standard equation of a circle - 03 - Writing standard equation of a circle.webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/03 - Standard equation of a circle - 03 - Writing standard equation of a circle.webm 7.5 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/03 - Standard equation of a circle - 03 - Writing standard equation of a circle.webm 7.5 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/02 - The age of Jackson - 01 - Jacksonian Democracy - background and introduction.webm 7.5 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/02 - The age of Jackson - 01 - Jacksonian Democracy - background and introduction.webm 7.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 12 - Postpartum hemorrhage.webm 7.5 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 12 - Postpartum hemorrhage.webm 7.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 10 - Treatments for bipolar disorder.webm 7.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 10 - Treatments for bipolar disorder.webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 04 - Sequences word problem_ growth pattern.webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 05 - Sequences word problem_ growth pattern.webm 7.5 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 06 - Sequences word problem_ growth pattern.webm 7.5 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/01 - Arithmetic sequences - 03 - Sequences word problem_ growth pattern.webm 7.5 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/01 - Introduction to prepositions - 02 - Prepositions of time.webm 7.5 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/06 - Enzyme regulation - 02 - Competitive inhibition.webm 7.5 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/06 - Enzyme regulation - 02 - Competitive inhibition.webm 7.5 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/04 - Electronegativity - 03 - Intermolecular forces.webm 7.5 MB
Science & engineering/08 - Biology - 02 - Chemistry of life/03 - Chemical bonds and reactions - 04 - Intermolecular forces.webm 7.5 MB
Science & engineering/09 - AP Biology - 03 - Chemistry of life/03 - Chemical bonds and reactions - 04 - Intermolecular forces.webm 7.5 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 02 - Intermolecular forces.webm 7.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 06 - Small intestine 1_ Structure.webm 7.5 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 06 - Small intestine 1_ Structure.webm 7.5 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 06 - Small intestine 1_ Structure.webm 7.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/06 - Occupational lung diseases - 02 - Asbestosis, silicosis, sick building syndrome.webm 7.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/12 - Occupational lung diseases - 02 - Asbestosis, silicosis, sick building syndrome.webm 7.5 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/01 - Introduction to colons - 01 - Linking function of the colon.webm 7.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 05 - Why can we subtract one equation from the other in a system of equa.webm 7.5 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 53 - GMAT_ Math 53.webm 7.4 MB
Test prep/02 - MCAT - 06 - Cells/06 - Cytoskeleton - 01 - Introduction to cytoskeleton.webm 7.4 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 05 - Math mechanics of Thai banking crisis.webm 7.4 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/10 - Multiplying and dividing complex numbers in polar form - 01 - Dividing complex numbers_ polar and exponential form.webm 7.4 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/07 - Ben Milne - CEO of Dwolla - 01 - Ben Milne - CEO of Dwolla.webm 7.4 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/02 - Ceramics, glass and mosaics - 01 - Glassmaking technique_ free-blown glass.webm 7.4 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 09 - Adequacy of the lateral cervical spine X-ray.webm 7.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 04 - Schizophrenia treatment.webm 7.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 04 - Schizophrenia treatment.webm 7.4 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/04 - Multiplication rule for independent events - 03 - Free-throw probability.webm 7.4 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/05 - Multiplication rule for independent events - 03 - Free-throw probability.webm 7.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 06 - Free-throw probability.webm 7.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 02 - Alzheimer's disease_ Plaques and tangles.webm 7.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 02 - Alzheimer's disease_ Plaques and tangles.webm 7.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/09 - Skeletal system introduction - 03 - Cellular structure of bone.webm 7.4 MB
Test prep/02 - MCAT - 07 - Organ systems/16 - Skeletal system - 03 - Cellular structure of bone.webm 7.4 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/02 - Skeletal system - 03 - Cellular structure of bone.webm 7.4 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/04 - Interest as the price of money - 02 - Money supply and demand impacting interest rates.webm 7.4 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/02 - Retirement accounts_ IRAs and 401ks - 03 - 401(k)s.webm 7.4 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 04 - British art in the 18th century/01 - British art in the eighteenth century - 04 - Room_ 1730-1765.webm 7.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 07 - The Painting Techniques of Mark Rothko.webm 7.4 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/10 - Applications of vectors - 01 - Vectors word problem_ pushing a box.webm 7.4 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 09 - Attach Spout's antennae.webm 7.4 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 02 - Ortho-para directors II.webm 7.4 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/06 - Constructing sinusoidal functions - 04 - Trig word problem_ length of day (phase shift).webm 7.4 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 06 - Area of a triangle on a grid.webm 7.4 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 03 - Increasing opportunity cost.webm 7.4 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 06 - Node voltage method (step 5).webm 7.4 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 06 - Raphael, Portrait of Pope Julius II.webm 7.4 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 05 - Kinetic and thermodynamic enolates.webm 7.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 04 - Kinetic and thermodynamic enolates.webm 7.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 20 - Kinetic and thermodynamic enolates.webm 7.4 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 01 - Aldehyde introduction.webm 7.4 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 02 - Types of immune responses_ Innate and adaptive, humoral vs. cell-mediated.webm 7.4 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 02 - Types of immune responses_ Innate and adaptive, humoral vs. cell-mediated.webm 7.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/05 - Immunologic system introduction - 02 - Types of immune responses_ Innate and adaptive, humoral vs. cell-mediated.webm 7.4 MB
Test prep/02 - MCAT - 07 - Organ systems/11 - Immune system - 02 - Types of immune responses_ Innate and adaptive, humoral vs. cell-mediated.webm 7.4 MB
Test prep/05 - NCLEX-RN - 10 - Immune system physiology/01 - Immune system - 02 - Types of immune responses_ Innate and adaptive, humoral vs. cell-mediated.webm 7.4 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/04 - Continuous compound interest and e - 03 - Formula for continuously compounding interest.webm 7.4 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 01 - Acid-base definitions.webm 7.4 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/05 - Introduction to the domain and range of a function - 02 - What is the domain of a function_.webm 7.4 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/05 - Introduction to the domain and range of a function - 02 - What is the domain of a function_.webm 7.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 04 - Overview of neuron function.webm 7.4 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 04 - Overview of neuron function.webm 7.4 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 03 - Overview of neuron function.webm 7.4 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 02 - Overview of neuron function.webm 7.4 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 04 - Social institutions - government, economy, health and medicine.webm 7.4 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/01 - Introduction to exponential growth and decay - 05 - Writing exponential functions from graphs.webm 7.4 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 03 - Writing exponential functions from graphs.webm 7.4 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 07 - Zimbardo prison study The Stanford prison experiment.webm 7.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 02 - Hypertension symptoms and categories.webm 7.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 03 - Hypertension symptoms and categories.webm 7.4 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 02 - What is leukemia_.webm 7.4 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 02 - What is leukemia_.webm 7.4 MB
Math by grade/06 - 5th - 04 - Measurement and data/04 - Unit measurement word problems - 06 - Measurement word problem_ running laps.webm 7.4 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/04 - Word problems with multiple units - 02 - Measurement word problem_ running laps.webm 7.4 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 05 - Is rising inequality necessarily bad_.webm 7.4 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 02 - 1. Rotate deformers.webm 7.4 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 12 - Organic chemistry naming examples 4.webm 7.4 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 12 - Organic chemistry naming examples 4.webm 7.4 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/05 - Modeling with sequences - 01 - Sequences word problems.webm 7.4 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/05 - Modeling with sequences - 01 - Sequences word problems.webm 7.4 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 03 - Marginal revenue below average total cost.webm 7.4 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 02 - Systems of equations with graphing_ 5x+3y=7 and 3x-2y=8.webm 7.4 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 03 - Systems of equations with graphing_ 5x+3y=7 and 3x-2y=8.webm 7.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/09 - Skeletal system introduction - 01 - Skeletal structure and function.webm 7.4 MB
Science & engineering/10 - Health and medicine - 14 - Advanced muscular-skeletal system physiology/02 - Skeletal system introduction - 01 - Skeletal structure and function.webm 7.4 MB
Test prep/02 - MCAT - 07 - Organ systems/16 - Skeletal system - 01 - Skeletal structure and function.webm 7.4 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/02 - Skeletal system - 01 - Skeletal structure and function.webm 7.4 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/01 - Measuring cost of living – inflation and the consumer price index - 01 - Introduction to inflation.webm 7.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 05 - Laryngitis diagnosis, treatment, and prevention.webm 7.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 05 - Laryngitis diagnosis, treatment, and prevention.webm 7.3 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 13 - Complex exponentials spin.webm 7.3 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/02 - Counting with combinations - 04 - Combination example_ 9 card hands.webm 7.3 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/03 - Counting with combinations - 04 - Combination example_ 9 card hands.webm 7.3 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/07 - Combinations - 04 - Combination example_ 9 card hands.webm 7.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/20 - Bioenergetics - 03 - Why we need metabolism_.webm 7.3 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 05 - Stages of dementia and Alzheimer's disease.webm 7.3 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 05 - Stages of dementia and Alzheimer's disease.webm 7.3 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/05 - Emotion - 05 - Theories of Emotion.webm 7.3 MB
Test prep/02 - MCAT - 10 - Processing the environment/12 - Emotion - 05 - Theories of Emotion.webm 7.3 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 14 - What is neonatal herpes_.webm 7.3 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 14 - What is neonatal herpes_.webm 7.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 03 - Supraventricular tachycardia (SVT).webm 7.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 03 - Supraventricular tachycardia (SVT).webm 7.3 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 16 - Lesion studies and experimental ablation.webm 7.3 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 19 - Lesion studies and experimental ablation.webm 7.3 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 04 - Examples of accounting for GDP.webm 7.3 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 01 - Intro to intercepts.webm 7.3 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 01 - Intro to intercepts.webm 7.3 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/09 - Trigonometric ratios and similarity - 01 - Triangle similarity and the trigonometric ratios.webm 7.3 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/08 - Trigonometric ratios and similarity - 01 - Triangle similarity and the trigonometric ratios.webm 7.3 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/05 - Trigonometric ratios and similarity - 01 - Triangle similarity and the trigonometric ratios.webm 7.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 11 - How do you know if someone is having a stroke_ Think FAST!.webm 7.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 11 - How do you know if someone is having a stroke_ Think FAST!.webm 7.3 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/07 - Distinguishing between linear and exponential growth - 01 - Linear vs. exponential growth_ from data.webm 7.3 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/06 - Distinguishing between linear and exponential growth - 01 - Linear vs. exponential growth_ from data.webm 7.3 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/05 - One-step equation word problems - 02 - One-step equations word problem_ super yoga (2 of 2).webm 7.3 MB
Math by grade/08 - 7th - 07 - Statistics and probability/01 - Basic probability - 04 - Experimental probability.webm 7.3 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 04 - Experimental probability.webm 7.3 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 04 - Experimental probability.webm 7.3 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 06 - Plates moving due to convection in mantle.webm 7.3 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 04 - Absolute and relative poverty.webm 7.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 01 - What is hypertension_.webm 7.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 02 - What is hypertension_.webm 7.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 15 - Manet, Corner of a Café-Concert.webm 7.3 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/06 - Multi-digit division - 01 - Strategies for dividing multiples of 10, 100, and 1000.webm 7.3 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 06 - Bernoulli's example problem.webm 7.3 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 06 - Bernoulli's example problem.webm 7.3 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 06 - Bernoulli's example problem.webm 7.3 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 21 - IIT JEE divisible determinants.webm 7.3 MB
Science & engineering/07 - Organic chemistry - 08 - Conjugated systems and pericyclic reactions/01 - Diels-Alder reaction - 01 - Diels-Alder reaction.webm 7.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/02 - Leonardo da Vinci - 01 - Letter to the Duke of Milan.webm 7.3 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 07 - Overview of the functions of the cerebral cortex.webm 7.3 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 07 - Overview of the functions of the cerebral cortex.webm 7.3 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 10 - Overview of the functions of the cerebral cortex.webm 7.3 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/05 - Functions of money - 01 - Functions of money.webm 7.3 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 07 - Self control.webm 7.3 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 01 - Investment and consumption.webm 7.3 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/03 - Reconstruction - 02 - The 14th Amendment.webm 7.3 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/03 - Reconstruction - 02 - The 14th Amendment.webm 7.3 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 03 - Focal distance.webm 7.3 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/06 - Determining the domain of a function - 05 - Worked example_ determining domain word problem (all integers).webm 7.3 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/06 - Determining the domain of a function - 05 - Worked example_ determining domain word problem (all integers).webm 7.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 01 - Systems of equations with graphing.webm 7.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 02 - Systems of equations with graphing.webm 7.3 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 02 - Magnetic force on a charge.webm 7.3 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/01 - Magnets and Magnetic Force - 02 - Magnetic force on a charge.webm 7.3 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/06 - Solving modeling problems with similar and congruent triangles - 02 - Geometry word problem_ Earth and Moon radii.webm 7.3 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/06 - Solving modeling problems with similar and congruent triangles - 02 - Geometry word problem_ Earth and Moon radii.webm 7.3 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/07 - Ring-opening reactions of epoxides - 02 - Ring opening reactions of epoxides_ Acid-catalyzed.webm 7.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 12 - Vermeer, Young Woman with a Water Pitcher.webm 7.3 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 05 - Parsec definition.webm 7.2 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 06 - Locus of control, learned helplessness, and the tyranny of choice.webm 7.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/03 - Attributing behavior to persons or situations - 04 - Locus of control, learned helplessness, and the tyranny of choice.webm 7.2 MB
Test prep/02 - MCAT - 06 - Cells/02 - Cell-cell interactions - 02 - Membrane Receptors.webm 7.2 MB
Test prep/02 - MCAT - 07 - Organ systems/05 - Biosignaling - 01 - Membrane Receptors.webm 7.2 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/04 - Biosignaling - 01 - Membrane Receptors.webm 7.2 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 09 - Liver.webm 7.2 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 09 - Liver.webm 7.2 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 09 - Liver.webm 7.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 14 - Spider's stabilizer bar.webm 7.2 MB
Computing/01 - Computer programming - 05 - Advanced JS_ Natural Simulations/01 - Intro to Natural Simulations - 01 - Welcome to Natural Simulations.webm 7.2 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/01 - Photons - 02 - Photon Momentum.webm 7.2 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/01 - Photons - 02 - Photon Momentum.webm 7.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 01 - AC analysis intro 1.webm 7.2 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/07 - Somatosensation - 03 - Somatosensory homunculus.webm 7.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/04 - Somatosensation - 03 - Somatosensory homunculus.webm 7.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 17 - What is bacterial vaginosis_.webm 7.2 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 17 - What is bacterial vaginosis_.webm 7.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/11 - Acyanotic heart diseases - 05 - Ventricular septal defect.webm 7.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/06 - Acyanotic heart diseases - 05 - Ventricular septal defect.webm 7.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 06 - The vestibular system, balance, and dizziness.webm 7.2 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 02 - Monopolist optimizing price_ Total revenue.webm 7.2 MB
Science & engineering/08 - Biology - 27 - Human biology/05 - Immunology - 06 - Cytotoxic T cells and MHC I complexes.webm 7.2 MB
Science & engineering/09 - AP Biology - 28 - Human biology/05 - Immunology - 06 - Cytotoxic T cells and MHC I complexes.webm 7.2 MB
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 09 - Question 3d_ 2015 AP Physics 1 free response.webm 7.2 MB
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/02 - AP Physics 1 free response questions 2015 - 09 - Question 3d_ 2015 AP Physics 1 free response.webm 7.2 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 17 - Caravaggio, Death of the Virgin.webm 7.2 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/03 - Finite geometric series - 04 - Worked examples_ finite geometric series.webm 7.2 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/05 - Finite geometric series - 04 - Worked examples_ finite geometric series.webm 7.2 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/05 - Finite geometric series - 04 - Worked examples_ finite geometric series.webm 7.2 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 04 - Astrocytes.webm 7.2 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 04 - Astrocytes.webm 7.2 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 03 - Astrocytes.webm 7.2 MB
Arts and humanities/01 - World history - 03 - 600 - 1450 Regional and interregional interactions/11 - Medieval Japan - 01 - Classical Japan during the Heian Period _ World History _ Khan Academy.webm 7.2 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/01 - Time - 04 - Telling time with number line.webm 7.2 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 04 - AP US History short answer example 2.webm 7.2 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 04 - AP US History short answer example 2.webm 7.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 05 - Calculating retention factors for TLC.webm 7.2 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/02 - Biological basis of behavior_ Endocrine system - 01 - From terpenes to steroids part 1_ Terpenes.webm 7.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 06 - From terpenes to steroids part 1_ Terpenes.webm 7.2 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 06 - From terpenes to steroids part 1_ Terpenes.webm 7.2 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 06 - From terpenes to steroids part 1_ Terpenes.webm 7.2 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 03 - Positive externalities.webm 7.2 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/04 - Cepheid variables - 03 - Why gravity gets so strong near dense objects.webm 7.2 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 13 - Treatments and triggers for drug dependence.webm 7.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 10 - Treatments and triggers for drug dependence.webm 7.2 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 13 - Treatments and triggers for drug dependence.webm 7.2 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 05 - Millais, The Vale of Rest.webm 7.2 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 04 - Victorian art and architecture/03 - Late Victorian - 03 - Room_ 1890-1910.webm 7.2 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/02 - Counting with permutations - 03 - Permutation formula.webm 7.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/06 - Permutations - 02 - Permutation formula.webm 7.2 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/02 - Consumption function - 03 - Consumption function with income dependent taxes.webm 7.2 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/10 - Patterns in arithmetic - 02 - Intro to even and odd numbers.webm 7.2 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/07 - Basic trigonometric identities - 01 - Sine and cosine identities_ symmetry.webm 7.2 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/04 - Basic trigonometric identities - 01 - Sine and cosine identities_ symmetry.webm 7.2 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/04 - Basic trigonometric identities - 01 - Sine and cosine identities_ symmetry.webm 7.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/02 - Asthma - 06 - Asthma longterm treatment.webm 7.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 06 - Asthma longterm treatment.webm 7.2 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 11 - 2015 AP Chemistry free response 3d.webm 7.2 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 13 - 2015 AP Chemistry free response 3d.webm 7.2 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 11 - 2015 AP Chemistry free response 3d.webm 7.2 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 13 - 2015 AP Chemistry free response 3d.webm 7.2 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/02 - Resonance structures - 01 - Resonance structures.webm 7.2 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 05 - Leukemia classifications.webm 7.2 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 05 - Leukemia classifications.webm 7.2 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 08 - Gravitation (part 2).webm 7.2 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/03 - Newton's law of gravitation - 08 - Gravitation (part 2).webm 7.2 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 07 - Proof of the quadratic formula.webm 7.2 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 07 - Proof of the quadratic formula.webm 7.2 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 08 - Calculating state taxes and take home pay.webm 7.2 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/01 - Cognition - 05 - Intelligence.webm 7.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 06 - Intelligence.webm 7.2 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 54 - GMAT_ Math 54.webm 7.2 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/08 - Multiplying binomials by polynomials - 02 - Multiplying binomials by polynomials_ area model.webm 7.2 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/08 - Multiplying binomials by polynomials - 02 - Multiplying binomials by polynomials_ area model.webm 7.2 MB
Math by grade/06 - 5th - 04 - Measurement and data/01 - Volume intro - 03 - Measuring volume as area times length.webm 7.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 06 - Genetic recombination 2.webm 7.2 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/01 - Hydrogen bonding in water - 01 - Hydrogen bonding in water.webm 7.2 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/01 - Hydrogen bonding in water - 01 - Hydrogen bonding in water.webm 7.2 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/02 - Types of prepositions and phrases - 02 - Prepositional phrases.webm 7.2 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 03 - Schizophrenia.webm 7.2 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 04 - Operant conditioning_ Shaping.webm 7.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 14 - Euler's sine wave.webm 7.1 MB
Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/03 - Coloring - 01 - The Power of the Docs.webm 7.1 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 01 - Race cars with constant speed around curve.webm 7.1 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 01 - Race cars with constant speed around curve.webm 7.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 01 - What is cyanotic heart disease.webm 7.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 01 - What is cyanotic heart disease.webm 7.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/10 - Endocrine system introduction - 02 - The hypothalamus and pituitary gland.webm 7.1 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/01 - Endocrine system introduction - 03 - The hypothalamus and pituitary gland.webm 7.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 02 - The hypothalamus and pituitary gland.webm 7.1 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 02 - The hypothalamus and pituitary gland.webm 7.1 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 02 - The hypothalamus and pituitary gland.webm 7.1 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 01 - Birth of stars.webm 7.1 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/05 - Constructing exponential models according to rate of change - 03 - Constructing exponential models_ percent change.webm 7.1 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/04 - Constructing exponential models according to rate of change - 03 - Constructing exponential models_ percent change.webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 03 - Graphs of two-variable inequalities word problem.webm 7.1 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 04 - Jannis Kounellis, 'Da inventare sul posto (To invent on the spot)'.webm 7.1 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 05 - Art Terms in Action_ Paint.webm 7.1 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 07 - Mass media.webm 7.1 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/05 - Introduction to the domain and range of a function - 03 - What is the range of a function_.webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/05 - Introduction to the domain and range of a function - 03 - What is the range of a function_.webm 7.1 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 02 - More on elasticity of demand.webm 7.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 01 - Acid-base definitions.webm 7.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/06 - Covalent bonds - 09 - Acid-base definitions.webm 7.1 MB
Computing/04 - Computer animation - 09 - Animation/01 - Introduction to animation - 02 - 1. Straight ahead animation.webm 7.1 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 07 - Systems of equations number of solutions_ fruit prices (2 of 2).webm 7.1 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 02 - Systems of equations number of solutions_ fruit prices (2 of 2).webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 07 - Systems of equations number of solutions_ fruit prices (2 of 2).webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 02 - Systems of equations number of solutions_ fruit prices (2 of 2).webm 7.1 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 07 - 6. Composite transformations.webm 7.1 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 04 - More on Normal force (shoe on wall).webm 7.1 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 04 - More on Normal force (shoe on wall).webm 7.1 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/05 - Sexually transmitted diseases - 04 - Pathophysiology of chlamydia.webm 7.1 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 04 - Pathophysiology of chlamydia.webm 7.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 03 - ATP hydrolysis_ Gibbs free energy.webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/02 - Graphing two-variable inequalities - 01 - Intro to graphing two-variable inequalities.webm 7.1 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/04 - Interpreting graphs and tables of basic exponential functions - 03 - Analyzing graphs of exponential functions_ negative initial value.webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 06 - Analyzing graphs of exponential functions_ negative initial value.webm 7.1 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 18 - Van Huysum, Vase with Flowers.webm 7.1 MB
Test prep/02 - MCAT - 08 - Physical processes/16 - Magnetism - 02 - Magnetism - Part 2.webm 7.1 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 05 - Work as the transfer of energy.webm 7.1 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 05 - Work as the transfer of energy.webm 7.1 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 10 - Work as the transfer of energy.webm 7.1 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 02 - What is chiaroscuro_.webm 7.1 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 07 - Total internal reflection.webm 7.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 05 - Symptoms of left sided heart failure.webm 7.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 05 - Symptoms of left sided heart failure.webm 7.1 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 09 - Social perception - The Just World Hypothesis.webm 7.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/09 - Nerve regulation of the heart - 04 - Autonomic nervous system effects on the heart.webm 7.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/09 - Nerve regulation of the heart - 04 - Autonomic nervous system effects on the heart.webm 7.1 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/10 - Summary_ Forms of two-variable linear equations - 02 - Writing linear equations in all forms.webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/10 - Summary_ Forms of two-variable linear equations - 02 - Writing linear equations in all forms.webm 7.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/02 - Quadratic factored form - 01 - Zero product property.webm 7.1 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/04 - Plasma cell dyscrasias - 01 - What are plasma cell dyscrasias_.webm 7.1 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 01 - What are plasma cell dyscrasias_.webm 7.1 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 06 - Introduction to the Pythagorean theorem.webm 7.1 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 07 - Introduction to the Pythagorean theorem.webm 7.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/03 - Advanced polynomial factorization methods - 01 - Factoring higher-degree polynomials.webm 7.1 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/05 - Advanced polynomial factorization methods - 01 - Factoring higher-degree polynomials.webm 7.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 06 - Oncogenes.webm 7.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/05 - Cystic fibrosis - 05 - Cystic fibrosis complications.webm 7.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 05 - Cystic fibrosis complications.webm 7.1 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/03 - Solving similar triangles - 01 - Solving similar triangles.webm 7.1 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/03 - Solving similar triangles - 01 - Solving similar triangles.webm 7.1 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 07 - Roman/03 - Republic - 04 - Veristic Male Portrait.webm 7.1 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/06 - Arterial stiffness - 05 - Compliance - increased blood flow.webm 7.1 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/06 - Arterial stiffness - 05 - Compliance - increased blood flow.webm 7.1 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/05 - Spain - 04 - Ribera, Martyrdom of Saint Philip.webm 7.1 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 02 - Convex lens examples.webm 7.1 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 02 - Convex lens examples.webm 7.1 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 02 - Convex lens examples.webm 7.1 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 05 - Economic growth through investment.webm 7.1 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/04 - Active transport - 02 - Electrochemical gradients and secondary active transport.webm 7.1 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/04 - Active transport - 02 - Electrochemical gradients and secondary active transport.webm 7.1 MB
Arts and humanities/02 - US history - 05 - The early republic (1800-1848)/03 - Culture and reform in the early nineteenth century - 04 - The early temperance movement - origins.webm 7.1 MB
Arts and humanities/03 - AP US History - 05 - Period 4_ 1800-1848/03 - Culture and reform - 04 - The early temperance movement - origins.webm 7.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/08 - Finding zeros of polynomials - 03 - Finding zeros of polynomials (example 2).webm 7.1 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/10 - Finding zeros of polynomials - 03 - Finding zeros of polynomials (example 2).webm 7.1 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 02 - Naming simple alkanes.webm 7.1 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 02 - Naming simple alkanes.webm 7.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/01 - Binomial theorem - 02 - Pascal's triangle and binomial expansion.webm 7.0 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/01 - The binomial theorem - 02 - Pascal's triangle and binomial expansion.webm 7.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 07 - Simplifying rational expressions_ two variables.webm 7.0 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 07 - Simplifying rational expressions_ two variables.webm 7.0 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 05 - ALS - Amyotrophic lateral sclerosis.webm 7.0 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 07 - Number of solutions to a system of equations algebraically.webm 7.0 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 07 - Number of solutions to a system of equations algebraically.webm 7.0 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Calvin Carter - Founder of Bottle Rocket Apps - 02 - Living the company’s values.webm 7.0 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 07 - Apsidal precession (perihelion precession) and Milankovitch cycles.webm 7.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/04 - England (Blake and Fuseli) - 02 - Blake, The Parable of the Wise and Foolish Virgins.webm 7.0 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 13 - 2015 AP Chemistry free response 3f.webm 7.0 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 15 - 2015 AP Chemistry free response 3f.webm 7.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 13 - 2015 AP Chemistry free response 3f.webm 7.0 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 15 - 2015 AP Chemistry free response 3f.webm 7.0 MB
Math by grade/07 - 6th - 09 - Data and statistics/04 - Mean and median - 01 - Statistics intro_ Mean, median, and mode.webm 7.0 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/02 - Summarizing center of distributions (central tendency) - 01 - Statistics intro_ Mean, median, and mode.webm 7.0 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/02 - Summarizing center of distributions (central tendency) - 01 - Statistics intro_ Mean, median, and mode.webm 7.0 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/06 - Advanced interpretation of exponential models - 02 - Interpreting change in exponential models_ changing units.webm 7.0 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/05 - Advanced interpretation of exponential models - 02 - Interpreting change in exponential models_ changing units.webm 7.0 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 11 - Hemispheric differences and hemispheric dominance.webm 7.0 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Calvin Carter - Founder of Bottle Rocket Apps - 04 - Making money making apps.webm 7.0 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 04 - Distributing sites randomly.webm 7.0 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 01 - Keto-enol tautomerization (by Sal).webm 7.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 11 - Keto-enol tautomerization (by Sal).webm 7.0 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 03 - Speculative attack on a currency.webm 7.0 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 07 - Alkane with isopropyl group.webm 7.0 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 07 - Alkane with isopropyl group.webm 7.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 12 - Types of neurotransmitter receptors.webm 7.0 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 12 - Types of neurotransmitter receptors.webm 7.0 MB
Test prep/02 - MCAT - 07 - Organ systems/04 - Neuronal synapses - 04 - Types of neurotransmitter receptors.webm 7.0 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/03 - Neuronal synapses - 04 - Types of neurotransmitter receptors.webm 7.0 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 10 - IIT JEE diameter slope.webm 7.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 03 - Autoionization of water.webm 7.0 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 10 - Connecting income to capital growth and potential inequality.webm 7.0 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 10 - Bystander effect.webm 7.0 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/04 - Comparative, superlative, intensifiers, and adverbs of degree - 03 - Intensifiers and adverbs of degree.webm 7.0 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 14 - Simple model to understand r and g relationship.webm 7.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/11 - Scientific notation word problems - 02 - Scientific notation word problem_ U.S. national debt.webm 7.0 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 03 - Carbon 14 dating 2.webm 7.0 MB
Science & engineering/08 - Biology - 22 - History of life on Earth/03 - Radiometric dating - 03 - Carbon 14 dating 2.webm 7.0 MB
Science & engineering/09 - AP Biology - 23 - History of life on Earth/03 - Radiometric dating - 03 - Carbon 14 dating 2.webm 7.0 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/03 - Relative pronouns - 02 - That versus which.webm 7.0 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/03 - Adjective order and commas with adjectives - 01 - Adjective order.webm 7.0 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/03 - Finite geometric series - 05 - Finite geometric series formula justification.webm 7.0 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/05 - Finite geometric series - 05 - Finite geometric series formula justification.webm 7.0 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/05 - Finite geometric series - 05 - Finite geometric series formula justification.webm 7.0 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 07 - Art of the United States_ 1800s/02 - Realism in the United States - 04 - Homer, Northeaster.webm 7.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 17 - LC natural response derivation 1.webm 7.0 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 04 - Proof of the sine angle addition identity.webm 7.0 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 04 - Proof of the sine angle addition identity.webm 7.0 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/05 - Multi-step inequalities - 03 - Multi-step inequalities.webm 7.0 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/04 - Multi-step inequalities - 03 - Multi-step inequalities.webm 7.0 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/08 - Trigonometric values of special angles - 01 - Trig values of special angles.webm 7.0 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/05 - Trigonometric values of special angles - 01 - Trig values of special angles.webm 7.0 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/05 - Trigonometric values of special angles - 01 - Trig values of special angles.webm 7.0 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 06 - Social exclusion (segregation and social isolation).webm 7.0 MB
Math by grade/08 - 7th - 06 - Geometry/03 - Vertical, complementary, and supplementary angles - 03 - Vertical angles.webm 7.0 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 05 - Vertical angles.webm 7.0 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/04 - Writing and solving proportions - 01 - Worked example_ Solving proportions.webm 7.0 MB
Computing/04 - Computer animation - 08 - Rigging/02 - Code a character - 01 - 1. Creating objects.webm 7.0 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/04 - Row-echelon form and Gaussian elimination - 01 - Solving linear systems with matrices.webm 7.0 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 06 - First and second ionization energy.webm 7.0 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 07 - First and second ionization energy.webm 7.0 MB
Test prep/02 - MCAT - 08 - Physical processes/27 - Periodic table - 08 - First and second ionization energy.webm 7.0 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/01 - Introduction to arithmetic sequences - 01 - Sequences intro.webm 7.0 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/01 - Introduction to arithmetic sequences - 01 - Sequences intro.webm 7.0 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 01 - Sequences intro.webm 7.0 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/01 - Arithmetic sequences - 01 - Sequences intro.webm 7.0 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 05 - Pathophysiology - Type II diabetes.webm 7.0 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 06 - Pathophysiology - Type II diabetes.webm 7.0 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 05 - Pathophysiology - Type II diabetes.webm 7.0 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 06 - Pathophysiology - Type II diabetes.webm 7.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/12 - Throat conditions - 02 - Pharyngitis.webm 7.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 02 - Pharyngitis.webm 7.0 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 04 - Hydroboration-oxidation of alkynes.webm 7.0 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 01 - Parts for Spout.webm 7.0 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/04 - Irregular plural nouns_ mutant and foreign plurals - 02 - Irregular plural nouns – foreign plurals.webm 7.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 11 - Biliary tree.webm 7.0 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 11 - Biliary tree.webm 7.0 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 11 - Biliary tree.webm 7.0 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 04 - Writing nuclear equations for alpha, beta, and gamma decay.webm 7.0 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 04 - Writing nuclear equations for alpha, beta, and gamma decay.webm 7.0 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 04 - Writing nuclear equations for alpha, beta, and gamma decay.webm 7.0 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 05 - Writing nuclear equations for alpha, beta, and gamma decay.webm 7.0 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 05 - Primality test with sieve.webm 7.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 06 - Complications of hypertension.webm 7.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 06 - Complications of hypertension.webm 7.0 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 01 - Introduction to buffers.webm 7.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/01 - Buffer solutions - 01 - Introduction to buffers.webm 7.0 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/04 - Acids, bases, and pH - 05 - Introduction to buffers.webm 7.0 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/04 - Acids, bases, and pH - 05 - Introduction to buffers.webm 7.0 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/10 - Area of inscribed triangle - 02 - Proof_ perpendicular radius bisects chord.webm 7.0 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/10 - Area of inscribed triangle - 02 - Proof_ perpendicular radius bisects chord.webm 7.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 06 - Laryngomalacia.webm 7.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 06 - Laryngomalacia.webm 7.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/04 - Slope - 04 - Worked example_ slope from two points.webm 6.9 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/03 - Slope - 04 - Worked example_ slope from two points.webm 6.9 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/03 - Slope - 04 - Worked example_ slope from two points.webm 6.9 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/02 - Ions and compounds - 04 - Molecular mass and molecular weight.webm 6.9 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/02 - Compounds and ions - 02 - Molecular mass and molecular weight.webm 6.9 MB
Math by grade/05 - 4th - 04 - Decimals/06 - Common fractions and decimals - 01 - Common fractions and decimals.webm 6.9 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/01 - Common fractions and decimals - 01 - Common fractions and decimals.webm 6.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 05 - System of equations word problem_ no solution.webm 6.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 05 - System of equations word problem_ no solution.webm 6.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 04 - Special cases_ Histidine, proline, glycine, cysteine.webm 6.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 04 - Special cases_ Histidine, proline, glycine, cysteine.webm 6.9 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 03 - Schizophrenia diagnosis.webm 6.9 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 03 - Schizophrenia diagnosis.webm 6.9 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/03 - Strategies for adding 2- and 3-digit numbers - 02 - Solving 3-digit addition in your head.webm 6.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 42 - GMAT_ Data sufficiency 41.webm 6.9 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/06 - Electrolytic cells and electrolysis - 02 - Quantitative electrolysis.webm 6.9 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/06 - Electrolytic cells and electrolysis - 02 - Quantitative electrolysis.webm 6.9 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/02 - Exponential expressions - 01 - Exponential expressions word problems (numerical).webm 6.9 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/01 - Chirality - 06 - Identifying chirality centers.webm 6.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 04 - Identifying chirality centers.webm 6.9 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 01 - Inflammatory bowel disease vs irritable bowel syndrome.webm 6.9 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/02 - Inflammatory bowel disease - 01 - Inflammatory bowel disease vs irritable bowel syndrome.webm 6.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/05 - Classical - 02 - Myron, Discobolus (Discus Thrower), Roman copy of an ancient Greek bronze.webm 6.9 MB
Test prep/02 - MCAT - 06 - Cells/01 - Cell membrane overview - 05 - Cell membrane fluidity.webm 6.9 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 06 - Virtual ground - examples.webm 6.9 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/01 - Fauvism and Matisse - 04 - Matisse, Piano Lesson.webm 6.9 MB
Science & engineering/08 - Biology - 23 - Ecology/03 - Population growth and regulation - 03 - Predator-prey cycles.webm 6.9 MB
Science & engineering/08 - Biology - 23 - Ecology/04 - Intro to community ecology - 02 - Predator-prey cycles.webm 6.9 MB
Science & engineering/09 - AP Biology - 24 - Ecology/03 - Population growth and regulation - 03 - Predator-prey cycles.webm 6.9 MB
Science & engineering/09 - AP Biology - 24 - Ecology/04 - Intro to community ecology - 02 - Predator-prey cycles.webm 6.9 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/05 - Exponents with negative bases - 03 - Even and odd numbers of negatives.webm 6.9 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 04 - Present value 3.webm 6.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 04 - British art in the 18th century/01 - British art in the eighteenth century - 02 - Reynolds, Lady Cockburn and Her Three Eldest Sons.webm 6.9 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 02 - Equalizing marginal utility per dollar spent.webm 6.9 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/03 - Spain - 01 - Goya, The Family of Charles IV.webm 6.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/04 - Raphael - 03 - Raphael, La belle jardinière.webm 6.9 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 02 - Mortgage-backed securities I.webm 6.9 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 05 - Mortgage-backed securities I.webm 6.9 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 07 - Three-pointer vs free-throw probability.webm 6.9 MB
Arts and humanities/02 - US history - 03 - Colonial America (1607-1754)/01 - Early colonization projects - 05 - Early English settlements - Jamestown.webm 6.9 MB
Arts and humanities/03 - AP US History - 03 - Period 2_ 1607-1754/01 - Early colonization projects - 05 - Early English settlements - Jamestown.webm 6.9 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/08 - Factoring quadratics_ Difference of squares - 04 - Factoring difference of squares_ missing values.webm 6.9 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/04 - Vector addition and subtraction - 01 - Adding and subtracting vectors.webm 6.9 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 10 - Situational approach.webm 6.9 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 01 - Situational approach.webm 6.9 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/05 - Features and forms of quadratic functions - 01 - Forms and features of quadratic functions.webm 6.9 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/09 - Features and forms of quadratic functions - 01 - Forms and features of quadratic functions.webm 6.9 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 05 - What is campylobacteriosis_.webm 6.9 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 06 - What is campylobacteriosis_.webm 6.9 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 05 - What is campylobacteriosis_.webm 6.9 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 06 - What is campylobacteriosis_.webm 6.9 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 14 - Titration curves and acid-base indicators.webm 6.9 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 14 - Titration curves and acid-base indicators.webm 6.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/02 - Titrations - 09 - Titration curves and acid-base indicators.webm 6.9 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/02 - Finite arithmetic series - 03 - Worked example_ arithmetic series (sum expression).webm 6.9 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/03 - Finite arithmetic series - 03 - Worked example_ arithmetic series (sum expression).webm 6.9 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/03 - Finite arithmetic series - 03 - Worked example_ arithmetic series (sum expression).webm 6.9 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/11 - Polynomial Remainder Theorem - 01 - Intro to the Polynomial Remainder Theorem.webm 6.9 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/06 - Polynomial Remainder Theorem - 01 - Intro to the Polynomial Remainder Theorem.webm 6.9 MB
Math by grade/06 - 5th - 05 - Geometry/01 - Intro to the coordinate plane - 01 - Introduction to the coordinate plane.webm 6.9 MB
Computing/04 - Computer animation - 11 - Character modeling/01 - Modeling with subdivision surfaces - 05 - 4. Subdivision in 3D.webm 6.9 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 04 - Adding decimals with ones, tenths and hundredths.webm 6.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 09 - Synapse structure.webm 6.9 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 09 - Synapse structure.webm 6.9 MB
Test prep/02 - MCAT - 07 - Organ systems/04 - Neuronal synapses - 01 - Synapse structure.webm 6.9 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/03 - Neuronal synapses - 01 - Synapse structure.webm 6.9 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/04 - Labor and marginal product revenue - 03 - Adding demand curves.webm 6.9 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 11 - r greater than g but less inequality.webm 6.9 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/04 - Real and nominal GDP - 02 - GDP deflator.webm 6.9 MB
Arts and humanities/02 - US history - 07 - The Gilded Age (1865-1898)/02 - The South after the Civil War - 03 - Origins of Jim Crow - the Fourteenth and Fifteenth Amendments.webm 6.9 MB
Arts and humanities/03 - AP US History - 07 - Period 6_ 1865-1898/02 - The South after the Civil War - 03 - Origins of Jim Crow - the Fourteenth and Fifteenth Amendments.webm 6.9 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 05 - Virtual ground.webm 6.8 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 11 - Complex splitting.webm 6.8 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 11 - Complex splitting.webm 6.8 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 06 - Intuition on static and kinetic friction comparisons.webm 6.8 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 06 - Intuition on static and kinetic friction comparisons.webm 6.8 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 06 - Intuition on static and kinetic friction comparisons.webm 6.8 MB
Test prep/02 - MCAT - 06 - Cells/02 - Cell-cell interactions - 03 - Ligand Gated Ion Channels.webm 6.8 MB
Test prep/02 - MCAT - 07 - Organ systems/05 - Biosignaling - 02 - Ligand Gated Ion Channels.webm 6.8 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/04 - Biosignaling - 02 - Ligand Gated Ion Channels.webm 6.8 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 02 - Title insurance.webm 6.8 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/08 - Verifying that functions are inverses - 01 - Verifying inverse functions by composition.webm 6.8 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/08 - Verifying that functions are inverses - 01 - Verifying inverse functions by composition.webm 6.8 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/03 - Temperature and state changes in water - 05 - Liquid water denser than solid water (ice).webm 6.8 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/03 - Temperature and state changes in water - 05 - Liquid water denser than solid water (ice).webm 6.8 MB
Math by grade/05 - 4th - 08 - Place value and rounding/05 - Comparing multi-digit numbers - 03 - Comparing multi-digit whole numbers word problems.webm 6.8 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 01 - Convex lenses.webm 6.8 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 01 - Convex lenses.webm 6.8 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 01 - Convex lenses.webm 6.8 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 01 - Birch reduction I.webm 6.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 10 - Heart failure treatment - Devices and surgery.webm 6.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 10 - Heart failure treatment - Devices and surgery.webm 6.8 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/02 - Counting with combinations - 03 - Handshaking combinations.webm 6.8 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/03 - Counting with combinations - 03 - Handshaking combinations.webm 6.8 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/07 - Combinations - 03 - Handshaking combinations.webm 6.8 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 04 - Preparation of acid anhydrides.webm 6.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 05 - Preparation of acid anhydrides.webm 6.8 MB
Science & engineering/11 - Electrical engineering - 03 - Amplifiers/01 - Operational amplifier - 03 - Feedback.webm 6.8 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 06 - Faraday's Law for generating electricity.webm 6.8 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 06 - Faraday's Law for generating electricity.webm 6.8 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 07 - Loop de loop answer part 1.webm 6.8 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 07 - Loop de loop answer part 1.webm 6.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 01 - What is blood pressure_.webm 6.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 01 - What is blood pressure_.webm 6.8 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/03 - Factoring polynomials by taking common factors - 04 - Factoring polynomials_ common factor area model.webm 6.8 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/10 - End behavior of polynomial functions - 01 - Intro to end behavior of polynomials.webm 6.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/12 - End behavior of polynomial functions - 01 - Intro to end behavior of polynomials.webm 6.8 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 07 - Calculate your own body mass index.webm 6.8 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 02 - Opportunity cost.webm 6.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/13 - Laryngeal conditions - 07 - Vocal cord growths.webm 6.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 07 - Vocal cord growths.webm 6.8 MB
Math by grade/05 - 4th - 08 - Place value and rounding/04 - Regrouping whole numbers - 02 - Regrouping whole number place values.webm 6.8 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/06 - Antwerp, Bruges and Brussels - 08 - Reliquary bust of a companion of Saint Ursula.webm 6.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 11 - Manet, The Balcony.webm 6.8 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/11 - Challenging complex number problems - 01 - Challenging complex numbers problem (1 of 3).webm 6.8 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 14 - Challenging complex numbers problem (1 of 3).webm 6.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 05 - Moholy-Nagy, Climbing the Mast.webm 6.8 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/01 - Introduction to exponential growth and decay - 01 - Intro to exponential functions.webm 6.8 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/01 - Exponential vs. linear growth - 01 - Intro to exponential functions.webm 6.8 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/02 - Diffusion and osmosis - 01 - Diffusion - Introduction.webm 6.8 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/02 - Diffusion and osmosis - 01 - Diffusion - Introduction.webm 6.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 07 - Treatment of dementia and Alzheimer's disease.webm 6.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 07 - Treatment of dementia and Alzheimer's disease.webm 6.8 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 04 - Synthesis of substituted benzene rings I.webm 6.8 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 01 - Normal force and contact force.webm 6.8 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 01 - Normal force and contact force.webm 6.8 MB
Test prep/02 - MCAT - 08 - Physical processes/05 - Normal forces - 02 - Normal force and contact force.webm 6.8 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 07 - Proof of the logarithm quotient and power rules.webm 6.8 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 07 - Proof of the logarithm quotient and power rules.webm 6.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/20 - Bioenergetics - 02 - Bioenergetics_ The transformation of free energy in living systems.webm 6.8 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/06 - Enzyme regulation - 03 - Noncompetitive inhibition.webm 6.8 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/06 - Enzyme regulation - 03 - Noncompetitive inhibition.webm 6.8 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/04 - Vector addition and subtraction - 04 - Adding vectors algebraically and graphically.webm 6.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 11 - Managing autism spectrum disorder.webm 6.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/06 - Neurodevelopmental disorders - 12 - Managing autism spectrum disorder.webm 6.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 11 - Managing autism spectrum disorder.webm 6.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/06 - Neurodevelopmental disorders - 12 - Managing autism spectrum disorder.webm 6.8 MB
Math by grade/09 - 8th - 01 - Numbers and operations/04 - Approximating irrational numbers - 03 - Approximating square roots to hundredths.webm 6.8 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/11 - Finding amplitude and midline from formula - 01 - Amplitude and period of sinusoidal functions from equation.webm 6.8 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/12 - Period of sinusoidal functions - 01 - Amplitude and period of sinusoidal functions from equation.webm 6.8 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/08 - Finding amplitude and midline of sinusoidal functions from their formulas - 01 - Amplitude and period of sinusoidal functions from equat.webm 6.8 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/09 - Period of sinusoidal functions - 01 - Amplitude and period of sinusoidal functions from equation.webm 6.8 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/03 - Finding amplitude and midline of sinusoidal functions from their formulas - 01 - Amplitude and period of sinusoidal function.webm 6.8 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/04 - Period of sinusoidal functions - 01 - Amplitude and period of sinusoidal functions from equation.webm 6.8 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 15 - Nawa, PixCell-Deer#24.webm 6.8 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/11 - Polynomial Remainder Theorem - 05 - Proof of the Polynomial Remainder Theorem.webm 6.8 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/06 - Polynomial Remainder Theorem - 05 - Proof of the Polynomial Remainder Theorem.webm 6.8 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/08 - Inscribed shapes problem solving - 03 - Inscribed shapes_ angle subtended by diameter.webm 6.8 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/08 - Inscribed shapes problem solving - 03 - Inscribed shapes_ angle subtended by diameter.webm 6.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 02 - Vasculitis pathophysiology.webm 6.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 02 - Vasculitis pathophysiology.webm 6.8 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/06 - Nomenclature and preparation of epoxides - 01 - Cyclic ethers and epoxide naming.webm 6.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/06 - Occupational lung diseases - 01 - Occupational asthma and mesothelioma.webm 6.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/12 - Occupational lung diseases - 01 - Occupational asthma and mesothelioma.webm 6.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 03 - Van Gogh, Self-Portrait Dedicated to Paul Gauguin.webm 6.8 MB
Test prep/02 - MCAT - 11 - Behavior/03 - Behavior and genetics - 03 - Heritability.webm 6.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 01 - What are dementia and Alzheimer's.webm 6.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 01 - What are dementia and Alzheimer's.webm 6.7 MB
Computing/04 - Computer animation - 09 - Animation/01 - Introduction to animation - 01 - Math meets artistry.webm 6.7 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 03 - Adding decimals with hundredths.webm 6.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 03 - Bonheur, Plowing in the Nivernais.webm 6.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/01 - Beginning of World War I - 03 - Alliances leading to World War I.webm 6.7 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 13 - Critically looking at data on ROC and economic growth over millenia.webm 6.7 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 06 - Taxes and perfectly elastic demand.webm 6.7 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 11 - Power.webm 6.7 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 11 - Power.webm 6.7 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 12 - Power.webm 6.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 04 - Protection of alcohols.webm 6.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 05 - Protection of alcohols.webm 6.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 03 - John Baldessari, I Will Not Make Any More Boring Art.webm 6.7 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/07 - Properties of multiplication - 01 - Properties of multiplication.webm 6.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/06 - Nomenclature and preparation of epoxides - 02 - Nomenclature and preparation of epoxides.webm 6.7 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 01 - Welcome to rigging.webm 6.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/03 - Anxiety - 05 - Post traumatic stress disorder.webm 6.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/03 - Anxiety - 05 - Post traumatic stress disorder.webm 6.7 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 06 - Impression management.webm 6.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/14 - Constructing sinusoidal functions - 03 - Trig word problem_ modeling annual temperature.webm 6.7 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/11 - Constructing sinusoidal functions - 03 - Trig word problem_ modeling annual temperature.webm 6.7 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/06 - Constructing sinusoidal functions - 03 - Trig word problem_ modeling annual temperature.webm 6.7 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/01 - Mutual funds and ETFs - 02 - Open-end mutual fund redemptions (part 2).webm 6.7 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 01 - Linear functions word problem_ fuel.webm 6.7 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 01 - Linear functions word problem_ fuel.webm 6.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 05 - Stomach.webm 6.7 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 05 - Stomach.webm 6.7 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 05 - Stomach.webm 6.7 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 04 - Relative speed of sound in solids, liquids, and gases.webm 6.7 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 04 - Relative speed of sound in solids, liquids, and gases.webm 6.7 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 04 - Relative speed of sound in solids, liquids, and gases.webm 6.7 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/01 - Mutual funds and ETFs - 04 - Exchange traded funds (ETFs).webm 6.7 MB
Math by grade/08 - 7th - 07 - Statistics and probability/02 - Probability models - 01 - Theoretical and experimental probabilites.webm 6.7 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 05 - Theoretical and experimental probabilites.webm 6.7 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 05 - Theoretical and experimental probabilites.webm 6.7 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 08 - Evolution and human culture.webm 6.7 MB
Test prep/02 - MCAT - 07 - Organ systems/01 - Biological basis of behavior_ The nervous system - 17 - Modern ways of studying the brain.webm 6.7 MB
Test prep/02 - MCAT - 11 - Behavior/01 - Biological basis of behavior_ Nervous system - 20 - Modern ways of studying the brain.webm 6.7 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 06 - System of equations word problem_ infinite solutions.webm 6.7 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 06 - System of equations word problem_ infinite solutions.webm 6.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/03 - Anxiety - 03 - Panic disorder.webm 6.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/03 - Anxiety - 03 - Panic disorder.webm 6.7 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 04 - Emotion and cognition in prejudice.webm 6.7 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 10 - Naming a cycloalkane.webm 6.7 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 10 - Naming a cycloalkane.webm 6.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/12 - Lymphatic system introduction - 04 - Lipid and protein transport in the lymphatic system.webm 6.7 MB
Test prep/02 - MCAT - 07 - Organ systems/10 - Lymphatic system - 04 - Lipid and protein transport in the lymphatic system.webm 6.7 MB
Test prep/05 - NCLEX-RN - 09 - Lymphatic system physiology/01 - Lymphatic system - 04 - Lipid and protein transport in the lymphatic system.webm 6.7 MB
Math by grade/08 - 7th - 07 - Statistics and probability/02 - Probability models - 03 - Probability models example_ frozen yogurt.webm 6.7 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 08 - Probability models example_ frozen yogurt.webm 6.7 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 08 - Probability models example_ frozen yogurt.webm 6.7 MB
Test prep/02 - MCAT - 06 - Cells/11 - Embryology - 03 - Implantation.webm 6.7 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 03 - Implantation.webm 6.7 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 13 - Sn1 and Sn2_ leaving group.webm 6.7 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 02 - Newton's first law of motion concepts.webm 6.7 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 02 - Newton's first law of motion concepts.webm 6.7 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 02 - Newton's first law of motion concepts.webm 6.7 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/02 - Graphs of absolute value functions - 01 - Shifting absolute value graphs.webm 6.7 MB
Math by grade/05 - 4th - 08 - Place value and rounding/06 - Rounding whole numbers - 04 - Rounding whole numbers_ missing digit.webm 6.7 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/02 - Types of sentences - 02 - Complex sentences.webm 6.7 MB
Math by grade/05 - 4th - 08 - Place value and rounding/04 - Regrouping whole numbers - 03 - Adding whole numbers by their place values.webm 6.7 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/04 - Adding and subtracting integers - 03 - Addition and subtraction_ find the missing value (part 2 of 2).webm 6.7 MB
Economics and finance/02 - Macroeconomics - 04 - The monetary system/05 - Functions of money - 03 - Standard of deferred payment and legal tender.webm 6.7 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/06 - Arterial stiffness - 02 - Bernoulli's equation of total energy.webm 6.7 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/06 - Arterial stiffness - 02 - Bernoulli's equation of total energy.webm 6.7 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/02 - Adding and subtracting rational numbers - 01 - Comparing rational numbers.webm 6.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/07 - Cranach and Altdorfer - 02 - Cranach the Elder, Cupid complaining to Venus.webm 6.7 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/08 - Symmetry - 04 - Finding a quadrilateral from its symmetries (example 2).webm 6.7 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/08 - Symmetry - 04 - Finding a quadrilateral from its symmetries (example 2).webm 6.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 03 - Room_ 1950s.webm 6.7 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 08 - Systems of equations with elimination_ apples and oranges.webm 6.7 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 08 - Systems of equations with elimination_ apples and oranges.webm 6.7 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 09 - Half-life of a second-order reaction.webm 6.7 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 09 - Half-life of a second-order reaction.webm 6.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 10 - Half-life of a second-order reaction.webm 6.7 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 10 - Conservative forces.webm 6.7 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 10 - Conservative forces.webm 6.7 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 11 - Conservative forces.webm 6.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 01 - Neuron resting potential description.webm 6.7 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 02 - Neuron resting potential description.webm 6.7 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 01 - Neuron resting potential description.webm 6.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/06 - France - 03 - Antoine or Louis Le Nain, Peasant Family in an Interior.webm 6.7 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 07 - Shai Kremer in an Israeli military training stage.webm 6.7 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/02 - Attention and language - 05 - Language and the brain_ Aphasia and split-brain patients.webm 6.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/11 - Language - 01 - Language and the brain_ Aphasia and split-brain patients.webm 6.7 MB
Science & engineering/07 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 01 - Formation of hydrates.webm 6.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/13 - Aldehydes and ketones - 04 - Formation of hydrates.webm 6.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 16 - Caravaggio, Supper at Emmaus.webm 6.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 09 - Room_ 1930s.webm 6.7 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 05 - Benford's law (with Vi Hart, 2 of 2).webm 6.7 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 05 - Benford's law (with Vi Hart, 2 of 2).webm 6.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Standard cell potentials - 02 - Using reduction potentials.webm 6.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/03 - Standard cell potentials - 02 - Using reduction potentials.webm 6.7 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 08 - Using reduction potentials.webm 6.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/03 - Akkadian - 01 - Victory Stele of Naram-Sin.webm 6.7 MB
Math by grade/10 - High school/02 - Mathematics II - 08 - Modeling with algebra/02 - Manipulating formulas - 01 - Manipulating formulas_ perimeter.webm 6.7 MB
Math by grade/10 - High school/06 - Algebra II - 12 - Modeling with algebra/02 - Manipulating formulas - 01 - Manipulating formulas_ perimeter.webm 6.7 MB
Computing/04 - Computer animation - 10 - Environment modeling/02 - Calculating parabolas - 01 - 1. Weighted average of two points.webm 6.6 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/06 - Advanced interpretation of exponential models - 01 - Interpreting change in exponential models_ with manipulation.webm 6.6 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/05 - Advanced interpretation of exponential models - 01 - Interpreting change in exponential models_ with manipulation.webm 6.6 MB
Math by grade/06 - 5th - 02 - Fractions/02 - Adding and subtracting fractions with unlike denominators - 01 - Adding fractions with unlike denominators.webm 6.6 MB
Math by grade/08 - 7th - 06 - Geometry/08 - Volume problems - 03 - Volume of rectangles inside rectangles.webm 6.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/02 - A beginner's guide to Imperial China - 03 - Decoding Chinese calligraphy.webm 6.6 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/05 - Types of chemical reactions - 04 - 2015 AP Chemistry free response 3a.webm 6.6 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 10 - 2015 AP Chemistry free response 3a.webm 6.6 MB
Science & engineering/06 - AP Chemistry - 03 - Chemical reactions/01 - Types of chemical reactions - 04 - 2015 AP Chemistry free response 3a.webm 6.6 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 10 - 2015 AP Chemistry free response 3a.webm 6.6 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/03 - Style! - 03 - Under- and overstatement.webm 6.6 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 05 - Courtesans of the South Station.webm 6.6 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 08 - Gilded Age versus Silicon Valley.webm 6.6 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/01 - Definitions of similarity - 02 - Angles of similar quadrilaterals.webm 6.6 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/01 - Definitions of similarity - 02 - Angles of similar quadrilaterals.webm 6.6 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 05 - Meta directors II.webm 6.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 04 - Moholy-Nagy, Composition A.XX.webm 6.6 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 01 - Systems of equations_ trolls, tolls (1 of 2).webm 6.6 MB
Math by grade/09 - 8th - 04 - Systems of equations/02 - Intro to systems of equations - 01 - Systems of equations_ trolls, tolls (1 of 2).webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 01 - Systems of equations_ trolls, tolls (1 of 2).webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/02 - Introduction to systems of equations - 01 - Systems of equations_ trolls, tolls (1 of 2).webm 6.6 MB
Math by grade/06 - 5th - 04 - Measurement and data/04 - Unit measurement word problems - 05 - Measurement word problem_ elevator.webm 6.6 MB
Science & engineering/08 - Biology - 12 - Cell division/03 - Meiosis - 01 - Comparing mitosis and meiosis.webm 6.6 MB
Science & engineering/09 - AP Biology - 13 - Cell division/03 - Meiosis - 01 - Comparing mitosis and meiosis.webm 6.6 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 08 - Comparing mitosis and meiosis.webm 6.6 MB
Math by grade/04 - 3rd - 03 - Fractions/05 - Equivalent fractions - 01 - Equivalent fractions with visuals.webm 6.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 12 - Complex exponential magnitude.webm 6.6 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/02 - Possessive and reflexive pronouns - 02 - Reflexive pronouns.webm 6.6 MB
Math by grade/05 - 4th - 03 - Fractions/04 - Comparing fractions with unlike denominators - 03 - Comparing fractions 2 (unlike denominators).webm 6.6 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/03 - Center of mass - 02 - Equation for center of mass.webm 6.6 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/03 - Center of mass - 02 - Equation for center of mass.webm 6.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 04 - British art in the 18th century/01 - British art in the eighteenth century - 03 - Room_ 1650-1730.webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/04 - Exponential vs. linear growth over time - 01 - Exponential vs. linear growth over time.webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 06 - Worked example_ equivalent systems of equations.webm 6.6 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 01 - Monopoly basics.webm 6.6 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 02 - Intro to identity matrix.webm 6.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 02 - Sensory adaptation.webm 6.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 02 - Sensory adaptation.webm 6.6 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 09 - Elasticity and strange percent changes.webm 6.6 MB
Math by grade/03 - 2nd - 04 - Measurement and data/03 - Length word problems - 01 - Length word problems.webm 6.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/06 - Quadratic standard form - 03 - Quadratic word problem_ ball.webm 6.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/08 - Interpreting quadratic models - 02 - Quadratic word problem_ ball.webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/08 - Quadratic standard form - 03 - Quadratic word problem_ ball.webm 6.6 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 10 - How we know about the earth's core.webm 6.6 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 05 - Dividing decimals completely.webm 6.6 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/07 - Special products of binomials - 02 - Squaring binomials of the form (x+a)².webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/07 - Special products of binomials - 02 - Squaring binomials of the form (x+a)².webm 6.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 09 - Treatment of hypertension.webm 6.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 09 - Treatment of hypertension.webm 6.6 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 01 - Alcohols.webm 6.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 07 - Classification of amino acids.webm 6.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 07 - Classification of amino acids.webm 6.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 03 - Classification of amino acids.webm 6.6 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/03 - Balanced and unbalanced forces - 01 - Balanced and unbalanced forces.webm 6.6 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/03 - Balanced and unbalanced forces - 01 - Balanced and unbalanced forces.webm 6.6 MB
Test prep/02 - MCAT - 08 - Physical processes/05 - Normal forces - 01 - Balanced and unbalanced forces.webm 6.6 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 09 - Systems of equations with substitution_ coins.webm 6.6 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 09 - Systems of equations with substitution_ coins.webm 6.6 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 06 - Diagnosis of dementia and Alzheimer's disease.webm 6.6 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 06 - Diagnosis of dementia and Alzheimer's disease.webm 6.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/11 - Acyanotic heart diseases - 01 - What is acyanotic heart disease_.webm 6.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/06 - Acyanotic heart diseases - 01 - What is acyanotic heart disease_.webm 6.5 MB
Test prep/02 - MCAT - 11 - Behavior/08 - Normative and non-normative behavior - 02 - Perspectives on deviance_ Differential association, labeling theory, and strain theory.webm 6.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/05 - Bali - 03 - Symbolism in Balinese dance costumes.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 02 - E1 elimination_ regioselectivity.webm 6.5 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/06 - Word problems within 20 - 02 - Addition and subtraction word problems_ gorillas.webm 6.5 MB
Computing/04 - Computer animation - 07 - Patterns/01 - Geometry of dinosaur skin - 05 - Modeling dino skin.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/03 - Bond-line structures - 01 - Condensed structures.webm 6.5 MB
Math by grade/09 - 8th - 06 - Data and modeling/04 - Two-way tables - 01 - Two-way frequency tables and Venn diagrams.webm 6.5 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 02 - Simplifying rational expressions_ common monomial factors.webm 6.5 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 02 - Simplifying rational expressions_ common monomial factors.webm 6.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 06 - Multifocal atrial tachycardia (MAT).webm 6.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 06 - Multifocal atrial tachycardia (MAT).webm 6.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 02 - Systems of equations_ trolls, tolls (2 of 2).webm 6.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/02 - Intro to systems of equations - 02 - Systems of equations_ trolls, tolls (2 of 2).webm 6.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 02 - Systems of equations_ trolls, tolls (2 of 2).webm 6.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/02 - Introduction to systems of equations - 02 - Systems of equations_ trolls, tolls (2 of 2).webm 6.5 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 06 - Sine and cosine from rotating vector.webm 6.5 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 04 - Interpreting two-variable inequalities word problem.webm 6.5 MB
Arts and humanities/02 - US history - 02 - Worlds collide (1491-1607)/02 - Old and new worlds collide - 02 - Christopher Columbus.webm 6.5 MB
Arts and humanities/03 - AP US History - 02 - Period 1_ 1491-1607/02 - Old and new worlds collide - 02 - Christopher Columbus.webm 6.5 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 02 - Price of related products and demand.webm 6.5 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 03 - Price of related products and demand.webm 6.5 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/04 - Special right triangles - 04 - Special right triangles proof (part 1).webm 6.5 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 04 - Special right triangles proof (part 1).webm 6.5 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 10 - Complex rotation.webm 6.5 MB
Test prep/02 - MCAT - 06 - Cells/05 - Eukaryotic cells - 05 - Lysosomes and peroxisomes.webm 6.5 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/01 - Equations with variables on both sides - 01 - Intro to equations with variables on both sides.webm 6.5 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/01 - Linear equations with variables on both sides - 02 - Intro to equations with variables on both sides.webm 6.5 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/07 - Linear equations with variables on both sides - 02 - Intro to equations with variables on both sides.webm 6.5 MB
Science & engineering/08 - Biology - 14 - DNA as the genetic material/03 - DNA replication - 03 - Speed and precision of DNA replication.webm 6.5 MB
Science & engineering/09 - AP Biology - 15 - DNA as the genetic material/03 - DNA replication - 03 - Speed and precision of DNA replication.webm 6.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 07 - Speed and precision of DNA replication.webm 6.5 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/02 - Introduction to triangle similarity - 04 - Proving slope is constant using similarity.webm 6.5 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/02 - Introduction to triangle similarity - 04 - Proving slope is constant using similarity.webm 6.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 02 - Respiratory distress.webm 6.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 02 - Respiratory distress.webm 6.5 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 06 - Voltage divider.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 03 - Hydration of alkynes.webm 6.5 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/04 - Change of base formula for logarithms - 02 - Using the logarithm change of base rule.webm 6.5 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/04 - The change of base formula for logarithms - 02 - Using the logarithm change of base rule.webm 6.5 MB
Math by grade/07 - 6th - 09 - Data and statistics/09 - Comparing data displays - 01 - Comparing dot plots, histograms, and box plots.webm 6.5 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 08 - What is delirium_.webm 6.5 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 08 - What is delirium_.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 01 - Identifying nucleophilic and electrophilic centers.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 06 - Halogenation.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 15 - Proton NMR practice 3.webm 6.5 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 15 - Proton NMR practice 3.webm 6.5 MB
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 04 - Danny O'Neill - Differentiation in your market.webm 6.5 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 04 - LM part of the IS-LM model.webm 6.5 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/01 - Introduction to prepositions - 03 - Prepositions of space.webm 6.5 MB
Arts and humanities/04 - Art history/04 - Art of Medieval Europe - 05 - Latin (Western) Europe/01 - Early medieval - 01 - Sutton Hoo ship burial.webm 6.5 MB
Math by grade/05 - 4th - 03 - Fractions/04 - Comparing fractions with unlike denominators - 02 - Ordering fractions.webm 6.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 01 - What is a function_.webm 6.5 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/01 - Evaluating functions - 01 - What is a function_.webm 6.5 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/01 - Evaluating functions - 01 - What is a function_.webm 6.5 MB
Test prep/02 - MCAT - 11 - Behavior/08 - Normative and non-normative behavior - 03 - Aspects of Collective Behavior_ Fads, Mass Hysteria, and Riots.webm 6.5 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/07 - Treating systems - 04 - Three box system problem.webm 6.5 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/07 - Treating systems - 04 - Three box system problem.webm 6.5 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 12 - Nernst equation.webm 6.5 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/02 - Quadratic factored form - 02 - Graphing quadratics in factored form.webm 6.5 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/03 - Balanced and unbalanced forces - 02 - Unbalanced forces and motion.webm 6.5 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/03 - Balanced and unbalanced forces - 02 - Unbalanced forces and motion.webm 6.5 MB
Test prep/02 - MCAT - 08 - Physical processes/04 - Newton's laws and equilibrium - 04 - Unbalanced forces and motion.webm 6.5 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 03 - 2. Translation deformers.webm 6.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 03 - Hypertension effects on the blood vessels.webm 6.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 04 - Hypertension effects on the blood vessels.webm 6.5 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 14 - Monet, The Argenteuil Bridge.webm 6.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 02 - 1913 _ Schiess-Dusseldorf by Ludwig Hohlwein.webm 6.5 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/13 - Shock - 01 - What is shock_.webm 6.5 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/13 - Shock - 01 - What is shock_.webm 6.5 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/06 - Proofs of general theorems that use triangle congruence - 01 - Geometry proof problem_ midpoint.webm 6.5 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/04 - Stretching functions - 03 - Reflecting and compressing functions.webm 6.5 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/04 - Stretching functions - 03 - Reflecting and compressing functions.webm 6.5 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/05 - Indefinite pronouns, pronoun vagueness, and emphatic pronouns - 01 - Indefinite Pronouns.webm 6.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/08 - Leveraged buy-outs - 01 - Basic leveraged buyout (LBO).webm 6.5 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/05 - Factoring quadratics intro - 01 - Factorizing a polynomial by splitting the middle term.webm 6.5 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 03 - Types of diabetes.webm 6.5 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 04 - Types of diabetes.webm 6.5 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 03 - Types of diabetes.webm 6.5 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 04 - Types of diabetes.webm 6.5 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 02 - Nernst equation.webm 6.5 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/05 - Cell potentials under nonstandard conditions - 02 - Nernst equation.webm 6.5 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 11 - Stabilization of a conjugate base_ hybridization.webm 6.5 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/03 - Irregular plural nouns_ base plurals and irregular endings - 03 - Irregular plural nouns – base plurals.webm 6.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 04 - Anemia of chronic disease.webm 6.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 04 - Anemia of chronic disease.webm 6.5 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 02 - Isosceles and equilateral triangles problems.webm 6.4 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/04 - Working with triangles - 02 - Isosceles and equilateral triangles problems.webm 6.4 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 07 - Decarboxylation.webm 6.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/15 - Carboxylic acids - 07 - Decarboxylation.webm 6.4 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/06 - Complex conjugates and dividing complex numbers - 01 - Intro to complex number conjugates.webm 6.4 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/04 - Reflections - 02 - Determining reflections.webm 6.4 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/04 - Reflections - 02 - Determining reflections.webm 6.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/01 - Circulatory system introduction - 06 - Thermoregulation in the circulatory system.webm 6.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/01 - Circulatory system introduction - 06 - Thermoregulation in the circulatory system.webm 6.4 MB
Test prep/02 - MCAT - 07 - Organ systems/07 - Circulatory system - 10 - Thermoregulation in the circulatory system.webm 6.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/01 - Circulatory system introduction - 09 - Thermoregulation in the circulatory system.webm 6.4 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/02 - Consumption function - 01 - Consumption function basics.webm 6.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 05 - 4 lifestyle changes to help manage hypertension.webm 6.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/04 - Hypertension - 06 - 4 lifestyle changes to help manage hypertension.webm 6.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/03 - Cubism and its impact - 04 - Picasso, The Reservoir, Horta de Ebro.webm 6.4 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 01 - Multiplying and dividing rational expressions_ monomials.webm 6.4 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 01 - Multiplying and dividing rational expressions_ monomials.webm 6.4 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/06 - Solving modeling problems with similar and congruent triangles - 03 - Geometry word problem_ a perfect pool shot.webm 6.4 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/06 - Solving modeling problems with similar and congruent triangles - 03 - Geometry word problem_ a perfect pool shot.webm 6.4 MB
Math by grade/07 - 6th - 03 - Negative numbers/05 - Absolute value - 05 - Testing solutions to absolute value inequalities.webm 6.4 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/02 - Proofs concerning irrational numbers - 01 - Proof_ √2 is irrational.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/03 - Proofs concerning irrational numbers - 01 - Proof_ √2 is irrational.webm 6.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/03 - Western and Eastern fronts of World War I - 02 - Comparing the Eastern and Western fronts in WWI.webm 6.4 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 06 - Rembrandt, Christ Crucified between the Two Thieves_ The Three Crosses..webm 6.4 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/01 - Cash versus accrual accounting - 02 - Accrual basis of accounting.webm 6.4 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/05 - Naming and preparing alkynes - 02 - Alkyne acidity and alkylation.webm 6.4 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/05 - Blood vessels - 03 - Pre-capillary sphincters.webm 6.4 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/05 - Blood vessels - 03 - Pre-capillary sphincters.webm 6.4 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/04 - Stretching functions - 01 - Shifting and reflecting functions.webm 6.4 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/04 - Stretching functions - 01 - Shifting and reflecting functions.webm 6.4 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/04 - Nuclear physics - 06 - Half-life plot.webm 6.4 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/04 - Nuclear physics - 06 - Half-life plot.webm 6.4 MB
Science & engineering/05 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 06 - Half-life plot.webm 6.4 MB
Test prep/02 - MCAT - 08 - Physical processes/25 - Atomic nucleus - 08 - Half-life plot.webm 6.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 03 - Regulation of transcription.webm 6.4 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 04 - Sieve of Eratosthenes.webm 6.4 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/08 - Inscribed shapes problem solving - 06 - Solving inscribed quadrilaterals.webm 6.4 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/08 - Inscribed shapes problem solving - 06 - Solving inscribed quadrilaterals.webm 6.4 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 09 - Multiplying by j is rotation.webm 6.4 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 04 - The mohorovicic seismic discontinuity.webm 6.4 MB
Science & engineering/04 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 03 - Correction calendar notation.webm 6.4 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/10 - Summary_ Forms of two-variable linear equations - 01 - Slope from equation.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/10 - Summary_ Forms of two-variable linear equations - 01 - Slope from equation.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/02 - Introduction to systems of equations - 05 - Systems of equations with graphing_ exact and approximate solutions.webm 6.4 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/01 - Introduction to arithmetic sequences - 02 - Intro to arithmetic sequences.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/01 - Introduction to arithmetic sequences - 02 - Intro to arithmetic sequences.webm 6.4 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 02 - Intro to arithmetic sequences.webm 6.4 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 03 - Intro to arithmetic sequences.webm 6.4 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/01 - Arithmetic sequences - 02 - Intro to arithmetic sequences.webm 6.4 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/03 - Introduction to conjunctions - 01 - Coordinating conjunctions.webm 6.4 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/01 - Linear equations with variables on both sides - 01 - Why we do the same thing to both sides_ Variable on both sides.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/07 - Linear equations with variables on both sides - 01 - Why we do the same thing to both sides_ Variable on both sides.webm 6.4 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/07 - Challenging trigonometry problems - 03 - Trig challenge problem_ cosine of angle-sum.webm 6.4 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/01 - Counting electrons - 01 - Comparing formal charges to oxidation states.webm 6.4 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 04 - Reasoning beyond the text.webm 6.4 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/01 - Algebraic equations basics - 01 - Variables, expressions, and equations.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/01 - Algebraic equations basics - 01 - Variables, expressions, and equations.webm 6.4 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 07 - Acid strength, anion size, and bond energy.webm 6.4 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/01 - Acids, bases, and pH - 07 - Acid strength, anion size, and bond energy.webm 6.4 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 08 - Acid strength, anion size, and bond energy.webm 6.4 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/02 - Spout Bot with Solder - 02 - Spout tools.webm 6.4 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/05 - One-step equation word problems - 01 - One-step equations word problem_ super yoga (1 of 2).webm 6.4 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/13 - Constructing a line tangent to a circle - 01 - Geometric constructions_ circle tangent.webm 6.4 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/15 - Constructing a line tangent to a circle - 01 - Geometric constructions_ circle tangent.webm 6.4 MB
Computing/04 - Computer animation - 13 - Sets and Staging/02 - Mathematics of rotation - 02 - 2. Geometry of rotation.webm 6.4 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/02 - Resonance structures - 04 - Common mistakes when drawing resonance structures.webm 6.4 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/05 - Graphs of radical functions - 01 - Transforming the square-root function.webm 6.4 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/05 - Graphs of radical functions - 01 - Transforming the square-root function.webm 6.4 MB
Science & engineering/01 - Physics - 15 - Geometric optics/02 - Mirrors - 01 - Virtual image.webm 6.4 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/02 - Mirrors - 01 - Virtual image.webm 6.4 MB
Test prep/02 - MCAT - 08 - Physical processes/23 - Spherical mirrors - 01 - Virtual image.webm 6.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 03 - Polio epidemiology.webm 6.4 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/04 - Polio - 04 - Polio epidemiology.webm 6.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 03 - Polio epidemiology.webm 6.4 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 04 - Polio epidemiology.webm 6.4 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 10 - Visualizing the Fourier expansion of a square wave.webm 6.4 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 05 - Slope-intercept equation from two points.webm 6.4 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/07 - Writing slope-intercept equations - 03 - Slope-intercept equation from two points.webm 6.4 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/07 - Writing slope-intercept equations - 03 - Slope-intercept equation from two points.webm 6.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 02 - Joseph Beuys, Table with Accumulator.webm 6.4 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 06 - Sherman, Untitled Film Still #21.webm 6.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 05 - Schiele, Seated Male Nude (Self-Portrait).webm 6.4 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 02 - Upward and downward mobility, meritocracy.webm 6.4 MB
Math by grade/05 - 4th - 08 - Place value and rounding/05 - Comparing multi-digit numbers - 01 - Comparing multi-digit numbers.webm 6.3 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 05 - Ideal gas equation example 3.webm 6.3 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 05 - Ideal gas equation example 3.webm 6.3 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/04 - Cepheid variables - 02 - Why cepheids pulsate.webm 6.3 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/03 - Credit cards and loans - 01 - Annual percentage rate (APR) and effective APR.webm 6.3 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/04 - Multi-digit multiplication - 01 - Strategies for multiplying multiples of 10, 100 and 1000.webm 6.3 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 05 - Exactly three heads in five flips.webm 6.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 09 - Ebstein's anomaly.webm 6.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 09 - Ebstein's anomaly.webm 6.3 MB
Math by grade/09 - 8th - 05 - Geometry/01 - Angles between intersecting lines - 01 - Angles, parallel lines, and transversals.webm 6.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 10 - Angles, parallel lines, and transversals.webm 6.3 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/01 - Rate problems with fractions - 01 - Rates with fractions.webm 6.3 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/03 - Graphs of exponential growth - 02 - Graphs of exponential growth.webm 6.3 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 07 - Getting to know Matt Wong.webm 6.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 01 - Newman's Onement I, 1948.webm 6.3 MB
Math by grade/05 - 4th - 05 - Measurement and data/10 - Conversion word problems - 02 - Multi-step unit conversion examples(U.S. Customary).webm 6.3 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/06 - Introduction to inverses of functions - 02 - Inputs and outputs of inverse functions.webm 6.3 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/06 - Introduction to inverses of functions - 02 - Inputs and outputs of inverse functions.webm 6.3 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/03 - Quadratic equations_ completing the square - 03 - Worked example_ Solving equations by completing the square.webm 6.3 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/06 - Completing the square - 04 - Worked example_ Solving equations by completing the square.webm 6.3 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 04 - Humanistic theory.webm 6.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 01 - Böcklin, Self-Portrait with Death Playing the Fiddle.webm 6.3 MB
Science & engineering/07 - Organic chemistry - 13 - Amines/01 - Naming amines - 01 - Amine naming introduction.webm 6.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/02 - Expressionism - 08 - Vasily Kandinsky, 'Klänge (Sounds)'.webm 6.3 MB
Math by grade/07 - 6th - 09 - Data and statistics/08 - Mean absolute deviation (MAD) - 02 - Mean absolute deviation example.webm 6.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 04 - Market value of assets.webm 6.3 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 06 - 5. Casting challenge.webm 6.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 01 - Bernini, Pluto and Proserpina.webm 6.3 MB
Science & engineering/11 - Electrical engineering - 01 - Introduction to electrical engineering/01 - Getting started - 02 - Current direction.webm 6.3 MB
Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 03 - Random primality test (warm up).webm 6.3 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/04 - Subject, object, person, and number - 01 - Subject and object pronouns.webm 6.3 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/04 - Hyphens, dashes, and ellipses - 03 - Ellipses.webm 6.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 01 - What is hypertension.webm 6.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 01 - What is hypertension.webm 6.3 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 05 - Normal and inferior goods.webm 6.3 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 06 - Normal and inferior goods.webm 6.3 MB
Science & engineering/01 - Physics - 17 - Quantum Physics/02 - Atoms and electrons - 05 - Bohr model radii.webm 6.3 MB
Science & engineering/03 - AP Physics 2 - 07 - Quantum Physics/02 - Atoms and electrons - 05 - Bohr model radii.webm 6.3 MB
Science & engineering/05 - Chemistry - 03 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 04 - Bohr model radii.webm 6.3 MB
Science & engineering/06 - AP Chemistry - 04 - Electronic structure of atoms/02 - Bohr's model of the hydrogen atom - 04 - Bohr model radii.webm 6.3 MB
Test prep/02 - MCAT - 08 - Physical processes/26 - Electronic structure - 03 - Bohr model radii.webm 6.3 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 05 - Hybrid ARM.webm 6.3 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 04 - Tragedy of the commons.webm 6.3 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 09 - Global inequality.webm 6.3 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 10 - Regioselectivity, stereoselectivity, and stereospecificity.webm 6.3 MB
Science & engineering/05 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 07 - Acid-base properties of salts.webm 6.3 MB
Science & engineering/06 - AP Chemistry - 12 - Acids and bases/02 - Acid-base equilibria - 07 - Acid-base properties of salts.webm 6.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 09 - Acid-base properties of salts.webm 6.3 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 05 - Photoreceptor distribution in the fovea.webm 6.3 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 05 - Photoreceptor distribution in the fovea.webm 6.3 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 07 - Proof_ parallel lines have the same slope.webm 6.3 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/01 - Balance of payments- current account and capital account - 01 - Balance of payments_ Current account.webm 6.3 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 01 - Electrophilic aromatic substitution mechanism.webm 6.3 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 02 - Dying Gaul.webm 6.3 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 03 - Linear equations word problems_ volcano.webm 6.3 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 02 - Linear equations word problems_ volcano.webm 6.3 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 02 - Linear equations word problems_ volcano.webm 6.3 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/08 - Properties of addition and subtraction - 01 - Equivalent expressions with negative numbers.webm 6.3 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 04 - Monopolist optimizing price_ Dead weight loss.webm 6.3 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/06 - Advanced interpretation of exponential models - 03 - Structure in exponential expression.webm 6.3 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/05 - Advanced interpretation of exponential models - 03 - Structure in exponential expression.webm 6.3 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 03 - Spring-mass system.webm 6.3 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/02 - Types of sentences - 03 - Compound-complex sentences.webm 6.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 03 - Streptococcus pneumoniae and flu vaccines.webm 6.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/08 - Pneumonia - 02 - Streptococcus pneumoniae and flu vaccines.webm 6.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 03 - Streptococcus pneumoniae and flu vaccines.webm 6.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 03 - Streptococcus pneumoniae and flu vaccines.webm 6.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 03 - Peptide bonds_ Formation and cleavage.webm 6.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 03 - Peptide bonds_ Formation and cleavage.webm 6.3 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 04 - Peptide bonds_ Formation and cleavage.webm 6.3 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/05 - Unit circle definition of sine, cosine, and tangent - 02 - The trig functions and right triangle trig ratios.webm 6.3 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/02 - The unit circle definition of sine, cosine, and tangent - 02 - The trig functions and right triangle trig ratios.webm 6.3 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/02 - The unit circle definition of sine, cosine, and tangent - 02 - The trig functions and right triangle t.webm 6.3 MB
Test prep/02 - MCAT - 08 - Physical processes/11 - Gas phase - 03 - Definition of an ideal gas, ideal gas law.webm 6.3 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 01 - PPACA or 'Obamacare'.webm 6.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 11 - Henoch-Schonlein purpura.webm 6.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 11 - Henoch-Schonlein purpura.webm 6.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 04 - High Renaissance_ Florence and Rome/03 - Michelangelo - 07 - Studies for the Libyan Sibyl and a small Sketch for a Seated Figure (ve.webm 6.3 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 05 - Social reproduction.webm 6.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 09 - Late Renaissance and Mannerism/01 - Late Renaissance and Mannerism - 03 - Parmigianino, Self-Portrait in a Convex Mirror.webm 6.3 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 05 - The Renaissance in Venice/02 - Late Renaissance in Venice - 04 - Bellini and Titian, the Feast of the Gods.webm 6.3 MB
Math by grade/07 - 6th - 09 - Data and statistics/05 - Mean and median challenge problems - 04 - Impact on median and mean_ increasing an outlier.webm 6.3 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/02 - Summarizing center of distributions (central tendency) - 05 - Impact on median and mean_ increasing an outlier.webm 6.3 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/02 - Summarizing center of distributions (central tendency) - 05 - Impact on median and mean_ increasing an outlier.webm 6.3 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/10 - Division by zero - 03 - Undefined and indeterminate expressions.webm 6.3 MB
Math by grade/05 - 4th - 05 - Measurement and data/10 - Conversion word problems - 01 - Multi-step unit conversion examples (metric).webm 6.3 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 04 - Example_ Analyzing a more complex resistor circuit.webm 6.3 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 04 - Example_ Analyzing a more complex resistor circuit.webm 6.3 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 04 - Example_ Analyzing a more complex resistor circuit.webm 6.3 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/06 - Line plots - 02 - Graphing data on line plots.webm 6.2 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/12 - Average rate of change word problems - 03 - Average rate of change word problem_ equation.webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/12 - Average rate of change word problems - 03 - Average rate of change word problem_ equation.webm 6.2 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/04 - Writing and solving proportions - 03 - Proportion word problem_ cookies.webm 6.2 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/01 - Mutual funds and ETFs - 03 - Closed-end mutual funds.webm 6.2 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 07 - Calculating federal taxes and take home pay.webm 6.2 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 03 - Lenz's Law.webm 6.2 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 03 - Lenz's Law.webm 6.2 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 01 - Cell cycle phases.webm 6.2 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/02 - Historical circumstances explained by AD_AS - 02 - Real GDP driving price.webm 6.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 06 - Symptoms of right sided heart failure.webm 6.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 06 - Symptoms of right sided heart failure.webm 6.2 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 07 - Total internal reflection.webm 6.2 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 07 - Total internal reflection.webm 6.2 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/01 - What are the imaginary numbers_ - 04 - i as the principal root of -1.webm 6.2 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/01 - What are the imaginary numbers_ - 04 - i as the principal root of -1.webm 6.2 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 13 - Class consciousness and false consciousness.webm 6.2 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/02 - Corporate taxation - 03 - Transfer pricing and tax havens.webm 6.2 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/04 - Slow sock on Lubricon VI - 02 - Normal forces on Lubricon VI.webm 6.2 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/04 - Slow sock on Lubricon VI - 02 - Normal forces on Lubricon VI.webm 6.2 MB
Test prep/02 - MCAT - 08 - Physical processes/05 - Normal forces - 05 - Normal forces on Lubricon VI.webm 6.2 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/09 - Intervals where a function is positive, negative, increasing, or decreasing - 01 - Increasing, decreasing, positive or negative intervals.webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/09 - Intervals where a function is positive, negative, increasing, or decreasing - 01 - Increasing, decreasing, positive or negative intervals.webm 6.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/04 - Special right triangles - 03 - 30-60-90 triangle example problem.webm 6.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 03 - 30-60-90 triangle example problem.webm 6.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 04 - Post-transcriptional regulation.webm 6.2 MB
Math by grade/09 - 8th - 01 - Numbers and operations/07 - Exponent properties (integer exponents) - 02 - Powers of products and quotients (integer exponents).webm 6.2 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/01 - Exponent properties review - 02 - Powers of products and quotients (integer exponents).webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/01 - Exponent properties review - 02 - Powers of products and quotients (integer exponents).webm 6.2 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 01 - Parallax in observing stars.webm 6.2 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 07 - Second-order reaction (with calculus).webm 6.2 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 07 - Second-order reaction (with calculus).webm 6.2 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 09 - Second-order reaction (with calculus).webm 6.2 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/02 - Bleeding and impaired hemostasis - 01 - Hemostasis.webm 6.2 MB
Math by grade/05 - 4th - 02 - Multiplication and division/02 - Multi-digit multiplication_ place value and area models - 01 - More ways to multiply.webm 6.2 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/07 - Finding inverse functions - 03 - Finding inverse functions_ quadratic (example 2).webm 6.2 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/07 - Finding inverse functions - 03 - Finding inverse functions_ quadratic (example 2).webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/10 - Transforming parabolas - 02 - Shifting parabolas.webm 6.2 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/08 - Hans Holbein - 03 - Holbein the Younger, Christina of Denmark.webm 6.2 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/07 - Transforming graphs of quadratic functions - 01 - Intro to parabola transformations.webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/10 - Transforming parabolas - 01 - Intro to parabola transformations.webm 6.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/06 - Solving for a side in a right triangle using the trigonometric ratios - 01 - Solving for a side in right triangles with tri.webm 6.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/05 - Solving for a side in a right triangle using the trigonometric ratios - 01 - Solving for a side in right triangles wi.webm 6.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/05 - Solving for a side in a right triangle using the trigonometric ratios - 02 - Solving for a side in right triangles wi.webm 6.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/02 - Solving for a side in a right triangle using the trigonometric ratios - 01 - Solving for a side in right triangles with trig.webm 6.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/02 - Solving for a side in a right triangle using the trigonometric ratios - 02 - Solving for a side in right triangles with trig.webm 6.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/04 - Latin American Modernism - 01 - Frida Kahlo, Frieda and Diego Rivera.webm 6.2 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/01 - Combining functions - 04 - Dividing functions.webm 6.2 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/01 - Combining functions - 04 - Dividing functions.webm 6.2 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 02 - Taxes for factoring in negative externalities.webm 6.2 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/03 - The distributive property - 04 - Distributive property with variables.webm 6.2 MB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 01 - Points on the coordinate plane examples.webm 6.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/02 - Solutions to linear equations - 02 - Points on the coordinate plane examples.webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/10 - Linear equations word problems - 03 - Linear equation word problem_ saline.webm 6.2 MB
Math by grade/05 - 4th - 02 - Multiplication and division/05 - Division problems that work out nicely - 01 - Quotients that are multiples of 10.webm 6.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 06 - Simplifying rational expressions_ higher degree terms.webm 6.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 06 - Simplifying rational expressions_ higher degree terms.webm 6.2 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 03 - Molecular weight percentages.webm 6.2 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/04 - Molecular composition - 03 - Molecular weight percentages.webm 6.2 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 09 - Stabilization of a conjugate base_ resonance.webm 6.2 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/04 - Phrases and clauses - 03 - Relative clauses.webm 6.2 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/04 - ATP and reaction coupling - 01 - ATP_ Adenosine triphosphate.webm 6.2 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/01 - Introduction to cellular respiration - 01 - ATP_ Adenosine triphosphate.webm 6.2 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/01 - Intro to photosynthesis - 01 - ATP_ Adenosine triphosphate.webm 6.2 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/04 - ATP and reaction coupling - 01 - ATP_ Adenosine triphosphate.webm 6.2 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/01 - Introduction to cellular respiration - 01 - ATP_ Adenosine triphosphate.webm 6.2 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/01 - Intro to photosynthesis - 01 - ATP_ Adenosine triphosphate.webm 6.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 02 - ATP_ Adenosine triphosphate.webm 6.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 04 - Room_ 1914 and 1915.webm 6.2 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 02 - Introduction to galvanic_voltaic cells.webm 6.2 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 02 - Introduction to galvanic_voltaic cells.webm 6.2 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 02 - Introduction to galvanic_voltaic cells.webm 6.2 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 08 - Residential segregation.webm 6.2 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/02 - Adding and subtracting polynomials - 03 - Polynomial subtraction and set closure.webm 6.2 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/02 - Adding and subtracting polynomials - 03 - Polynomial subtraction and set closure.webm 6.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 07 - Mondrian, Composition No. II, wit.webm 6.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/15 - Krebs (citric acid) cycle and oxidative phosphorylation - 05 - Oxidative phosphorylation and chemiosmosis.webm 6.2 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 06 - Iron deficiency and anemia of chronic disease treatment.webm 6.2 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 06 - Iron deficiency and anemia of chronic disease treatment.webm 6.2 MB
Science & engineering/01 - Physics - 05 - Work and energy/01 - Work and energy - 06 - Work example problems.webm 6.2 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/01 - Work and energy - 06 - Work example problems.webm 6.2 MB
Test prep/02 - MCAT - 08 - Physical processes/08 - Work and energy - 04 - Work example problems.webm 6.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/01 - Circuit elements - 01 - Ideal circuit elements.webm 6.2 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 01 - Tools and parts to build a Spout.webm 6.2 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 08 - Loop de loop answer part 2.webm 6.2 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 08 - Loop de loop answer part 2.webm 6.2 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/10 - Multiplying and dividing complex numbers in polar form - 02 - Powers of complex numbers.webm 6.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 08 - Diagnosis of hypertension.webm 6.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 08 - Diagnosis of hypertension.webm 6.1 MB
Math by grade/05 - 4th - 06 - Geometry/07 - Angle types - 01 - Acute, right, and obtuse angles.webm 6.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 04 - Acute, right, and obtuse angles.webm 6.1 MB
Computing/04 - Computer animation - 07 - Patterns/02 - Painting with randomness - 03 - Perlin noise (1D).webm 6.1 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 03 - Forms of the Arrhenius equation.webm 6.1 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 03 - Forms of the Arrhenius equation.webm 6.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 15 - Forms of the Arrhenius equation.webm 6.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 03 - Overview of neuron structure.webm 6.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 03 - Overview of neuron structure.webm 6.1 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 02 - Overview of neuron structure.webm 6.1 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 01 - Overview of neuron structure.webm 6.1 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/04 - Plasma cell dyscrasias - 04 - What is waldenstrom macroglobulinemia_.webm 6.1 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 04 - What is waldenstrom macroglobulinemia_.webm 6.1 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 02 - Curly arrow conventions in organic chemistry.webm 6.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/05 - Dementia, delirium, and Alzheimer's - 03 - Other types of dementia.webm 6.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/05 - Dementia, delirium, and Alzheimer's - 03 - Other types of dementia.webm 6.1 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 08 - Somatic symptom disorder and other disorders.webm 6.1 MB
Computing/04 - Computer animation - 13 - Sets and Staging/02 - Mathematics of rotation - 03 - 3. Completing the proof.webm 6.1 MB
Math by grade/07 - 6th - 08 - Geometry/05 - Volume with fractions - 03 - Volume of a rectangular prism_ word problem.webm 6.1 MB
Computing/04 - Computer animation - 05 - Virtual cameras/02 - Mathematics of depth of field - 01 - Mathematics of pinhole cameras.webm 6.1 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 09 - Organic chemistry naming examples 3.webm 6.1 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 09 - Organic chemistry naming examples 3.webm 6.1 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 07 - RSA encryption_ Step 3.webm 6.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/05 - Cystic fibrosis - 02 - Cystic fibrosis pathophysiology.webm 6.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 02 - Cystic fibrosis pathophysiology.webm 6.1 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/05 - Dependent events - 05 - The Monty Hall problem.webm 6.1 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 03 - Dürer, Self-portrait (1500).webm 6.1 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/01 - Multiplication intro - 02 - Multiplication as groups of objects.webm 6.1 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/02 - Law of cosines - 02 - Solving for an angle with the law of cosines.webm 6.1 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/11 - Law of cosines - 02 - Solving for an angle with the law of cosines.webm 6.1 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/02 - The law of cosines - 02 - Solving for an angle with the law of cosines.webm 6.1 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 07 - Kirchhoff's current law.webm 6.1 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 07 - Kirchhoff's current law.webm 6.1 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/03 - DC circuit analysis - 01 - Kirchhoff's current law.webm 6.1 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 08 - Spotting salty foods.webm 6.1 MB
Computing/04 - Computer animation - 06 - Effects/02 - The physics of particle systems - 04 - Force and acceleration.webm 6.1 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 04 - When the source and the wave move at the same velocity.webm 6.1 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/05 - The Doppler effect - 04 - When the source and the wave move at the same velocity.webm 6.1 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 13 - When the source and the wave move at the same velocity.webm 6.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 04 - Esophagus.webm 6.1 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 04 - Esophagus.webm 6.1 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 04 - Esophagus.webm 6.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 10 - Room_ 1940s.webm 6.1 MB
Arts and humanities/02 - US history - 11 - American civics/01 - American civics - 09 - Social security intro.webm 6.1 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/02 - Population genetics - 01 - Allele frequency.webm 6.1 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/02 - Population genetics - 01 - Allele frequency.webm 6.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/03 - Anxiety - 02 - Phobias.webm 6.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/03 - Anxiety - 02 - Phobias.webm 6.1 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 04 - Chemical shift.webm 6.1 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 04 - Chemical shift.webm 6.1 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 01 - First-order reaction (with calculus).webm 6.1 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 01 - First-order reaction (with calculus).webm 6.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 04 - First-order reaction (with calculus).webm 6.1 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/02 - Constructing arithmetic sequences - 02 - Explicit formulas for arithmetic sequences.webm 6.1 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/02 - Constructing arithmetic sequences - 02 - Explicit formulas for arithmetic sequences.webm 6.1 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 03 - Explicit formulas for arithmetic sequences.webm 6.1 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 04 - Explicit formulas for arithmetic sequences.webm 6.1 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/01 - Arithmetic sequences - 05 - Explicit formulas for arithmetic sequences.webm 6.1 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/01 - Arithmetic sequences - 04 - Explicit formulas for arithmetic sequences.webm 6.1 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/13 - Constructing a line tangent to a circle - 02 - Geometric constructions_ circle tangent (example 2).webm 6.1 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/15 - Constructing a line tangent to a circle - 02 - Geometric constructions_ circle tangent (example 2).webm 6.1 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/03 - Theorems concerning triangle properties - 03 - Proofs concerning equilateral triangles.webm 6.1 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 08 - Small intestine 3_ Absorption.webm 6.1 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 08 - Small intestine 3_ Absorption.webm 6.1 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 08 - Small intestine 3_ Absorption.webm 6.1 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 04 - Constantin Brancusi, 'Mlle Pogany'.webm 6.1 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/04 - Parallel and perpendicular lines on the coordinate plane - 02 - Parallel and perpendicular lines from graph.webm 6.1 MB
Math by grade/05 - 4th - 06 - Geometry/03 - Angle introduction - 01 - Angles_ introduction.webm 6.1 MB
Math by grade/08 - 7th - 06 - Geometry/03 - Vertical, complementary, and supplementary angles - 01 - Angles_ introduction.webm 6.1 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/02 - Proofs concerning irrational numbers - 02 - Proof_ square roots of prime numbers are irrational.webm 6.1 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/03 - Proofs concerning irrational numbers - 02 - Proof_ square roots of prime numbers are irrational.webm 6.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/13 - Stress - 01 - What is stress_.webm 6.1 MB
Test prep/02 - MCAT - 12 - Individuals and society/08 - Discrimination - 03 - Stereotypes stereotype threat, and self fulfilling prophecy.webm 6.1 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 03 - Stereotypes stereotype threat and self fulfilling prophecies.webm 6.1 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/02 - Ions and compounds - 03 - Empirical, molecular, and structural formulas.webm 6.1 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 01 - Empirical, molecular, and structural formulas.webm 6.1 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/02 - Compounds and ions - 01 - Empirical, molecular, and structural formulas.webm 6.1 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/04 - Molecular composition - 01 - Empirical, molecular, and structural formulas.webm 6.1 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/03 - Volume - 01 - Understanding volume (liters).webm 6.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 06 - Proof of the logarithm product rule.webm 6.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 06 - Proof of the logarithm product rule.webm 6.0 MB
Arts and humanities/05 - Grammar - 10 - Syntax_ conventions of standard English/03 - Dangling modifiers and parallel structure - 01 - Dangling modifiers.webm 6.0 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 03 - 2. Translation.webm 6.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 01 - Logarithmic scale (with Vi Hart).webm 6.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/09 - Logarithmic scale (optional) - 01 - Logarithmic scale (with Vi Hart).webm 6.0 MB
Math by grade/05 - 4th - 04 - Decimals/01 - Intro to decimals - 01 - Intro to decimals.webm 6.0 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/10 - Matrices as transformations - 02 - Transforming polygons using matrices.webm 6.0 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/04 - Two-step equations intro - 03 - Two-step equations intuition.webm 6.0 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/05 - Two-steps equations intro - 02 - Two-step equations intuition.webm 6.0 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 02 - 1. Coordinate plane.webm 6.0 MB
Math by grade/06 - 5th - 04 - Measurement and data/01 - Volume intro - 01 - Volume of a cube.webm 6.0 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 05 - Signal detection theory - part 1.webm 6.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 07 - Signal detection theory - part 1.webm 6.0 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 05 - Biological theory.webm 6.0 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 02 - Elimination vs substitution_ primary substrate.webm 6.0 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 04 - Is matrix multiplication commutative_.webm 6.0 MB
Math by grade/05 - 4th - 06 - Geometry/06 - Angles in circles - 01 - Angle measurement and circle arcs.webm 6.0 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/07 - Finding inverse functions - 02 - Finding inverse functions_ quadratic.webm 6.0 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/07 - Finding inverse functions - 02 - Finding inverse functions_ quadratic.webm 6.0 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 07 - Getting to know Eben Ostby.webm 6.0 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/07 - Percent word problems - 01 - Percent word problem_ guavas.webm 6.0 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 04 - Finding units of rate constant k.webm 6.0 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/01 - Reaction rates and rate laws - 04 - Finding units of rate constant k.webm 6.0 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 08 - Behavior influences attitude.webm 6.0 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 03 - Behavior influences attitude.webm 6.0 MB
Arts and humanities/05 - Grammar - 10 - Syntax_ conventions of standard English/02 - Fragments and run-ons - 02 - Run-ons and comma splices.webm 6.0 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/06 - Unit vectors - 01 - Unit vectors intro.webm 6.0 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/04 - Writing and solving proportions - 02 - Writing proportions example.webm 6.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 09 - Aromatic stability of benzene.webm 6.0 MB
Science & engineering/08 - Biology - 30 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 33 - Great glands - Your endocrine system.webm 6.0 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/01 - Square-root equations - 04 - Solving square-root equations_ two solutions.webm 6.0 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/01 - Solving square-root equations - 04 - Solving square-root equations_ two solutions.webm 6.0 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 07 - Worked example_ Identifying isotopes and ions.webm 6.0 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 01 - Dürer, Self-portrait, Study of a Hand and a Pillow.webm 6.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 01 - Meet the kidneys!.webm 6.0 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 01 - Meet the kidneys!.webm 6.0 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 01 - Meet the kidneys!.webm 6.0 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/06 - Its vs. it's - 02 - BONUS_ History of the apostrophe.webm 6.0 MB
Math by grade/05 - 4th - 05 - Measurement and data/03 - Estimating length - 02 - U.S. customary units_ distance.webm 6.0 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 07 - Systems of equations with elimination_ TV and DVD.webm 6.0 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 07 - Systems of equations with elimination_ TV and DVD.webm 6.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/08 - Graphs of logarithmic functions - 03 - Graphs of logarithmic functions.webm 6.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/08 - Graphs of logarithmic functions - 03 - Graphs of logarithmic functions.webm 6.0 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/09 - Systems of quadratic equations - 03 - Quadratic systems_ no solution.webm 6.0 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/02 - Systems of quadratic equations - 03 - Quadratic systems_ no solution.webm 6.0 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/02 - Systems of quadratic equations - 03 - Quadratic systems_ no solution.webm 6.0 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 02 - Overview of culture.webm 6.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 01 - Bellows, Pennsylvania Station Exca.webm 6.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 06 - Column chromatography.webm 6.0 MB
Science & engineering/01 - Physics - 16 - Special relativity/02 - Minkowski spacetime - 05 - Measuring time in meters in Minkowski spacetime.webm 6.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 03 - Neo-Classicism/01 - Neo-Classicism - 03 - David, Study for The Lictors Bringing Brutus the Bodies of his Sons.webm 6.0 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 08 - Heart failure treatment - Early stages.webm 6.0 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 08 - Heart failure treatment - Early stages.webm 6.0 MB
Computing/04 - Computer animation - 05 - Virtual cameras/01 - How virtual cameras work - 05 - Depth of field.webm 6.0 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 01 - Hals, Singing Boy with Flute.webm 6.0 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/02 - Leukemia - 09 - Leukemia treatment.webm 6.0 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 09 - Leukemia treatment.webm 6.0 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 06 - E2 mechanism_ regioselectivity.webm 6.0 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 07 - Motor development.webm 6.0 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 11 - Social theories overview (part 1).webm 6.0 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/15 - Solving equations with inverse matrices - 02 - Solving linear systems with matrix equations.webm 6.0 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 04 - Housing conundrum (part 4).webm 6.0 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 04 - Housing conundrum (part 4).webm 6.0 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 04 - Hyperinflation.webm 6.0 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/02 - Inflation scenarios - 03 - Hyperinflation.webm 6.0 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 08 - Ultrasound medical imaging.webm 5.9 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 08 - Ultrasound medical imaging.webm 5.9 MB
Test prep/02 - MCAT - 08 - Physical processes/18 - Sound - 07 - Ultrasound medical imaging.webm 5.9 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/03 - The supply curve - 03 - Long term supply curve.webm 5.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/16 - Fat and protein metabolism - 06 - Overview of Fatty Acid Oxidation.webm 5.9 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 02 - Lung cancer diagnosis.webm 5.9 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 02 - Lung cancer diagnosis.webm 5.9 MB
Math by grade/10 - High school/03 - Mathematics III - 09 - Study Design/02 - Observational studies and experiments - 03 - Appropriate statistical study example.webm 5.9 MB
Math by grade/10 - High school/07 - High school statistics - 04 - Study design/02 - Observational studies and experiments - 03 - Appropriate statistical study example.webm 5.9 MB
Arts and humanities/05 - Grammar - 10 - Syntax_ conventions of standard English/03 - Dangling modifiers and parallel structure - 02 - Parallel structure.webm 5.9 MB
Math by grade/06 - 5th - 03 - Place value and decimals/09 - Multiplying and dividing with powers of 10 - 01 - Exponents and powers of 10 patterns.webm 5.9 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/01 - Distance and midpoints - 02 - Midpoint formula.webm 5.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 03 - Switch block.webm 5.9 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 03 - Electric motors (part 3).webm 5.9 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/03 - Electric motors - 03 - Electric motors (part 3).webm 5.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 10 - Muscle innervation.webm 5.9 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 10 - Muscle innervation.webm 5.9 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 10 - Muscle innervation.webm 5.9 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 04 - Financial crisis in Thailand caused by speculative attack.webm 5.9 MB
Math by grade/04 - 3rd - 05 - Place value and rounding/01 - Rounding - 01 - Rounding to nearest 10.webm 5.9 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/03 - Subjects and predicates - 02 - Subject, direct object, and indirect object.webm 5.9 MB
Math by grade/05 - 4th - 04 - Decimals/04 - Decimals greater than one - 01 - Place value for decimals greater than 1.webm 5.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 04 - Courtesan playing with a cat.webm 5.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 10 - Hypertensive crisis.webm 5.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 10 - Hypertensive crisis.webm 5.9 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 07 - Solving systems of inequalities word problem.webm 5.9 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/05 - Bit-zee Bot - 01 - Bit-zeeeeeeeeeee.webm 5.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 06 - What is Kawasaki disease_.webm 5.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 06 - What is Kawasaki disease_.webm 5.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 01 - Proximity and the mere exposure effect.webm 5.9 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/02 - Types of sentences - 01 - Simple and compound sentences.webm 5.9 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 06 - Low salt diet.webm 5.9 MB
Science & engineering/01 - Physics - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 05 - Displacement from time and velocity example.webm 5.9 MB
Science & engineering/02 - AP Physics 1 - 01 - One-dimensional motion/02 - Displacement, velocity, and time - 05 - Displacement from time and velocity example.webm 5.9 MB
Test prep/02 - MCAT - 08 - Physical processes/02 - Speed and velocity - 03 - Displacement from time and velocity example.webm 5.9 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 06 - IIT JEE position vectors.webm 5.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 06 - Arteriolosclerosis - part 2.webm 5.9 MB
Computing/01 - Computer programming - 04 - Advanced JS_ Games and Visualizations/01 - Intro to Games and Visualizations - 01 - Intro to Games and Visualizations.webm 5.9 MB
Computing/04 - Computer animation - 04 - Color Science/02 - Color spaces - 05 - Color grading.webm 5.9 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 06 - Redox reaction with iron.webm 5.9 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 06 - Redox reaction with iron.webm 5.9 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/01 - Chirality - 05 - Stereoisomers, enantiomers, and chirality centers.webm 5.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 03 - Stereoisomers, enantiomers, and chirality centers.webm 5.9 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/03 - Slope - 02 - Positive and negative slope.webm 5.9 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/03 - Slope - 02 - Positive and negative slope.webm 5.9 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/01 - Naming alkenes - 01 - Naming alkenes examples.webm 5.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 09 - Resolution of enantiomers.webm 5.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/04 - Ant bot - 04 - Switch block (nested).webm 5.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 04 - Switch block (nested).webm 5.9 MB
Science & engineering/01 - Physics - 13 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 02 - Faraday's Law Introduction.webm 5.9 MB
Science & engineering/03 - AP Physics 2 - 04 - Magnetic forces, magnetic fields, and Faraday's law/04 - Magnetic flux and Faraday's law - 02 - Faraday's Law Introduction.webm 5.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 03 - Rational equations word problem_ combined rates.webm 5.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 03 - Rational equations word problem_ combined rates.webm 5.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 05 - Hypertension and blood vessel damage.webm 5.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 05 - Hypertension and blood vessel damage.webm 5.9 MB
Science & engineering/01 - Physics - 11 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 06 - Electric potential charge configuration.webm 5.9 MB
Science & engineering/02 - AP Physics 1 - 09 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 06 - Electric potential charge configuration.webm 5.9 MB
Science & engineering/03 - AP Physics 2 - 03 - Electric charge, field, and potential/03 - Electric potential energy, electric potential, and voltage - 06 - Electric potential charge configuration.webm 5.9 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 07 - Sum of the exterior angles of a polygon.webm 5.9 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 06 - Components of attitudes.webm 5.9 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 01 - Components of attitudes.webm 5.9 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/06 - Verb aspect and modal verbs - 02 - Modal verbs.webm 5.9 MB
Math by grade/05 - 4th - 02 - Multiplication and division/04 - Comparing with multiplication - 03 - Comparing with multiplication_ money.webm 5.9 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 01 - Negative externalities.webm 5.9 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/05 - Synthesis and cleavage of ethers - 01 - Williamson ether synthesis.webm 5.9 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/03 - Factoring polynomials by taking common factors - 02 - Factoring binomials_ common factor.webm 5.9 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/03 - Intro to rates - 01 - Intro to rates.webm 5.9 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/01 - Cognition - 03 - Decision making.webm 5.9 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 04 - Decision making.webm 5.9 MB
Test prep/02 - MCAT - 09 - Chemical processes/01 - Acid_base equilibria - 12 - Buffer solutions.webm 5.9 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/01 - Checking solutions of two-variable inequalities - 01 - Testing solutions to inequalities.webm 5.9 MB
Science & engineering/01 - Physics - 05 - Work and energy/03 - Mechanical advantage - 02 - Mechanical advantage (part 2).webm 5.9 MB
Science & engineering/02 - AP Physics 1 - 05 - Work and energy/03 - Mechanical advantage - 02 - Mechanical advantage (part 2).webm 5.9 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 03 - Neo-Classicism/01 - Neo-Classicism - 06 - Girodet, The Sleep of Endymion.webm 5.9 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/09 - Pleural Effusion - 04 - Neurovascular bundle.webm 5.9 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 04 - Neurovascular bundle.webm 5.9 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/05 - Naming and preparing alkynes - 03 - Preparation of alkynes.webm 5.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/03 - Urinary system introduction - 04 - Changing glomerular filtration rate.webm 5.8 MB
Test prep/02 - MCAT - 07 - Organ systems/12 - Renal system - 04 - Changing glomerular filtration rate.webm 5.8 MB
Test prep/05 - NCLEX-RN - 11 - Renal system physiology/01 - Renal system introduction - 04 - Changing glomerular filtration rate.webm 5.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/04 - Heian period (794–1185) - 02 - Fudō Myōō (Achala-vidyaraja).webm 5.8 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 03 - Operant conditioning_ Positive-and-negative reinforcement and punishment.webm 5.8 MB
Math by grade/07 - 6th - 08 - Geometry/02 - Areas of triangles - 01 - Area of a triangle.webm 5.8 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 02 - Area of a triangle.webm 5.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 05 - Simplifying rational expressions_ grouping.webm 5.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 05 - Simplifying rational expressions_ grouping.webm 5.8 MB
Math by grade/05 - 4th - 02 - Multiplication and division/02 - Multi-digit multiplication_ place value and area models - 02 - Multiplying with distributive property.webm 5.8 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/02 - Pertussis - 04 - Pertussis diagnosis and treatment.webm 5.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 04 - Pertussis diagnosis and treatment.webm 5.8 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 03 - Loss of cell cycle control in cancer.webm 5.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 01 - Meet the gastrointestinal tract!.webm 5.8 MB
Science & engineering/10 - Health and medicine - 12 - Advanced gastrointestinal physiology/01 - Gastrointestinal system introduction - 01 - Meet the gastrointestinal tract!.webm 5.8 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 01 - Meet the gastrointestinal tract!.webm 5.8 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 01 - Meet the gastrointestinal tract!.webm 5.8 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/01 - The anatomy of expressions - 01 - Terms, factors, and coefficients.webm 5.8 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 01 - Aromatic stability I.webm 5.8 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/02 - Magnitude of vectors - 03 - Magnitude of a vector from initial and terminal points.webm 5.8 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/02 - The distributive property and equivalent expressions - 01 - The distributive property with variables.webm 5.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 06 - Graphs of rational functions (old example).webm 5.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 06 - Graphs of rational functions (old example).webm 5.8 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 04 - Diagnosing bipolar disorder.webm 5.8 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 04 - Diagnosing bipolar disorder.webm 5.8 MB
Test prep/02 - MCAT - 06 - Cells/01 - Cell membrane overview - 02 - Phospholipid structure.webm 5.8 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 04 - Winged Victory (Nike) of Samothrace.webm 5.8 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 02 - Shifts in aggregate demand.webm 5.8 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/05 - Combined vector operations - 01 - Combined vector operations.webm 5.8 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/02 - Counting with combinations - 01 - Intro to combinations.webm 5.8 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/03 - Counting with combinations - 01 - Intro to combinations.webm 5.8 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/07 - Combinations - 01 - Intro to combinations.webm 5.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 03 - World War I, Futurism and Dada/02 - Dada - 03 - Duchamp, Fountain.webm 5.8 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 04 - Events that inspired the Milgram studies on obedience.webm 5.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 05 - Ansel Adams_ Visualizing a Photogr.webm 5.8 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/09 - Word problems within 100 - 05 - Subtraction word problem_ crayons.webm 5.8 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 01 - Introduction to adding decimals_ tenths.webm 5.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 09 - Schad, Self-Portrait.webm 5.8 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/04 - Apostrophes and contractions - 01 - Introduction to the apostrophe.webm 5.8 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/01 - Law of sines - 03 - Proof of the law of sines.webm 5.8 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/10 - Law of sines - 03 - Proof of the law of sines.webm 5.8 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/01 - The law of sines - 03 - Proof of the law of sines.webm 5.8 MB
Math by grade/05 - 4th - 02 - Multiplication and division/01 - Multiplication by 10s, 100s, and 1000s - 01 - Multiplying 1-digit numbers by 10, 100, and 1000.webm 5.8 MB
Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 03 - Short sale basics.webm 5.8 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/07 - Fundamental theorem of Algebra - 02 - Quadratics and the Fundamental Theorem of Algebra.webm 5.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/09 - The Fundamental Theorem of Algebra - 02 - Quadratics and the Fundamental Theorem of Algebra.webm 5.8 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 05 - Government spending and the IS-LM model.webm 5.8 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/07 - Mergers and acquisitions - 03 - Simple merger arbitrage with share acquisition.webm 5.8 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Standard cell potentials - 03 - Voltage as an intensive property.webm 5.8 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/03 - Standard cell potentials - 03 - Voltage as an intensive property.webm 5.8 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/11 - Synthetic division of polynomials - 03 - Why synthetic division works.webm 5.8 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/04 - Synthetic division of polynomials - 03 - Why synthetic division works.webm 5.8 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 11 - Caravaggio, Narcissus at the Source.webm 5.8 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/02 - Possessive and reflexive pronouns - 01 - Possessive pronouns.webm 5.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 04 - Rational equations word problem_ combined rates (example 2).webm 5.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 04 - Rational equations word problem_ combined rates (example 2).webm 5.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/14 - Alcohols and phenols - 04 - Oxidation of alcohols (examples).webm 5.8 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/10 - Transforming parabolas - 03 - Scaling and reflecting parabolas.webm 5.8 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 06 - Lung cancer staging.webm 5.8 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 06 - Lung cancer staging.webm 5.8 MB
Science & engineering/07 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 03 - Enolate formation from aldehydes.webm 5.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/12 - Alpha-carbon chemistry - 02 - Enolate formation from aldehydes.webm 5.7 MB
Arts and humanities/04 - Art history/14 - Art of Oceania - 03 - Melanesia/01 - Melanesia - 03 - Slit Gong (Atingting kon).webm 5.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/01 - A beginner's guide to ancient Greece - 04 - A competitor in the long jump.webm 5.7 MB
Science & engineering/10 - Health and medicine - 22 - Miscellaneous/01 - Miscellaneous - 03 - Thromboemboli and thromboembolisms.webm 5.7 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 13 - IIT JEE hairy trig and algebra (part 3).webm 5.7 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 08 - Graphs of systems of inequalities word problem.webm 5.7 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/04 - Comparative, superlative, intensifiers, and adverbs of degree - 01 - Intro to the comparative and the superlative.webm 5.7 MB
Computing/04 - Computer animation - 11 - Character modeling/01 - Modeling with subdivision surfaces - 01 - Introduction to subdivision surfaces.webm 5.7 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 06 - What is shigellosis_.webm 5.7 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 07 - What is shigellosis_.webm 5.7 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 06 - What is shigellosis_.webm 5.7 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 07 - What is shigellosis_.webm 5.7 MB
Test prep/02 - MCAT - 06 - Cells/07 - Prokaryotes_bacteria - 03 - Bacterial genetic recombination.webm 5.7 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/04 - Geometric sequences - 02 - Intro to geometric sequences (advanced).webm 5.7 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 02 - Age word problem_ Ben and William.webm 5.7 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 02 - Age word problem_ Ben and William.webm 5.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/03 - Solving general triangles - 01 - Trig word problem_ stars.webm 5.7 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/12 - Solving general triangles - 01 - Trig word problem_ stars.webm 5.7 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/03 - Solving general triangles - 01 - Trig word problem_ stars.webm 5.7 MB
Science & engineering/05 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 06 - Ideal gas equation example 4.webm 5.7 MB
Science & engineering/06 - AP Chemistry - 08 - Gases and kinetic molecular theory/01 - Ideal gas equation - 06 - Ideal gas equation example 4.webm 5.7 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/05 - Constructing exponential models according to rate of change - 02 - Constructing exponential models_ half life.webm 5.7 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/04 - Constructing exponential models according to rate of change - 02 - Constructing exponential models_ half life.webm 5.7 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/04 - Introduction to radians - 03 - Degrees to radians.webm 5.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/04 - Introduction to radians - 03 - Degrees to radians.webm 5.7 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/04 - Introduction to radians - 03 - Degrees to radians.webm 5.7 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/01 - Introduction to radians - 03 - Degrees to radians.webm 5.7 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/01 - Introduction to radians - 03 - Degrees to radians.webm 5.7 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 06 - Systems of equations with elimination_ x-4y=-18 and -x+3y=11.webm 5.7 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 02 - Systems of equations with elimination_ x-4y=-18 and -x+3y=11.webm 5.7 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/15 - Hypertension - 04 - Hypertension and heart damage.webm 5.7 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/01 - Hypertension - 04 - Hypertension and heart damage.webm 5.7 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/02 - Solving basic sinusoidal equations - 01 - Solving sinusoidal equations of the form sin(x)=d.webm 5.7 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/02 - Solving basic sinusoidal equations - 01 - Solving sinusoidal equations of the form sin(x)=d.webm 5.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 02 - Central dogma - revisited.webm 5.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 02 - Central dogma - revisited.webm 5.7 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 05 - Halogenation and ozonolysis of alkynes.webm 5.7 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/01 - Dot structures - 01 - Dot structures I_ Single bonds.webm 5.7 MB
Math by grade/05 - 4th - 03 - Fractions/08 - Mixed numbers - 01 - Rewriting mixed numbers as improper fractions.webm 5.7 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/16 - Model real-world situations with matrices - 01 - Matrix word problem_ prices.webm 5.7 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/02 - Constructing arithmetic sequences - 04 - Converting recursive and explicit forms of arithmetic sequences.webm 5.7 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/02 - Constructing arithmetic sequences - 04 - Converting recursive and explicit forms of arithmetic sequences.webm 5.7 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/10 - Sine and cosine of complementary angles - 03 - Trig word problem_ complementary angles.webm 5.7 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/09 - Sine and cosine of complementary angles - 03 - Trig word problem_ complementary angles.webm 5.7 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/06 - Sine and cosine of complementary angles - 03 - Trig word problem_ complementary angles.webm 5.7 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/06 - Sine and cosine of complementary angles - 04 - Trig word problem_ complementary angles.webm 5.7 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/01 - Introduction to nouns - 02 - Introduction to singular and plural nouns.webm 5.7 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/02 - Pertussis - 02 - Pertussis complications.webm 5.7 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 02 - Pertussis complications.webm 5.7 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/05 - Bulk transport - 01 - Endocytosis, phagocytosis, and pinocytosis.webm 5.7 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/05 - Bulk transport - 01 - Endocytosis, phagocytosis, and pinocytosis.webm 5.7 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/04 - Introduction to radians - 02 - Radians and degrees.webm 5.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/04 - Introduction to radians - 02 - Radians and degrees.webm 5.7 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/04 - Introduction to radians - 02 - Radians and degrees.webm 5.7 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/01 - Introduction to radians - 02 - Radians and degrees.webm 5.7 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/01 - Introduction to radians - 02 - Radians and degrees.webm 5.7 MB
Computing/04 - Computer animation - 14 - Rendering/02 - Mathematics of Rendering - 05 - 5. 3D ray tracing part 1.webm 5.7 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 09 - IR spectra practice.webm 5.7 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 09 - IR spectra practice.webm 5.7 MB
Math by grade/09 - 8th - 01 - Numbers and operations/02 - Square roots and cube roots - 01 - Intro to square roots.webm 5.7 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 01 - Intro to square roots.webm 5.7 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 01 - Intro to square roots.webm 5.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/08 - Thiols and sulfides - 01 - Preparation of sulfides.webm 5.7 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/04 - Properties of exponents (rational exponents) - 02 - Simplifying mixed radical and exponential expressions.webm 5.7 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/04 - Properties of exponents (rational exponents) - 02 - Simplifying mixed radical and exponential expressions.webm 5.7 MB
Computing/04 - Computer animation - 10 - Environment modeling/02 - Calculating parabolas - 05 - Bonus_ Completing the proof.webm 5.7 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/06 - Mali - 03 - The Artist Project_ Willie Cole.webm 5.7 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/03 - Names and formulas of ionic compounds - 03 - Naming ionic compound with polyvalent ion.webm 5.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/07 - Direct and inverse variation - 03 - Recognizing direct and inverse variation_ table.webm 5.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/06 - Direct and inverse variation - 03 - Recognizing direct and inverse variation_ table.webm 5.7 MB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 06 - Multiple substituents.webm 5.7 MB
Science & engineering/08 - Biology - 27 - Human biology/02 - The neuron and nervous system - 01 - Anatomy of a neuron.webm 5.7 MB
Science & engineering/09 - AP Biology - 28 - Human biology/02 - The neuron and nervous system - 01 - Anatomy of a neuron.webm 5.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 02 - Anatomy of a neuron.webm 5.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 02 - Anatomy of a neuron.webm 5.7 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/01 - What are the imaginary numbers_ - 03 - Powers of the imaginary unit.webm 5.7 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/01 - What are the imaginary numbers_ - 02 - Powers of the imaginary unit.webm 5.7 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 01 - Jacob-Monod_ The Lac operon.webm 5.7 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 01 - Fourier Series introduction.webm 5.7 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 07 - Voltage as an intensive property.webm 5.7 MB
Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/05 - Price discrimination - 01 - First degree price discrimination.webm 5.7 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 07 - Infectious arthritis.webm 5.7 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 07 - Infectious arthritis.webm 5.7 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/08 - Hans Holbein - 04 - Holbein the Younger, Henry VIII.webm 5.7 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 05 - Stuck, The Sin.webm 5.7 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 02 - Oxidation of alcohols II_ Examples.webm 5.6 MB
Science & engineering/07 - Organic chemistry - 04 - Stereochemistry/01 - Chirality - 01 - Introduction to chirality.webm 5.6 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 03 - Lung cancer types.webm 5.6 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 03 - Lung cancer types.webm 5.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 04 - Dream theories Freud, activation synthesis hypothesis.webm 5.6 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/01 - A beginner's guide to ancient Greece - 03 - Prize amphora showing a chariot race.webm 5.6 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 07 - Triangle angle challenge problem 2.webm 5.6 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 05 - Triangle angle challenge problem 2.webm 5.6 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/09 - Determining whether a function is invertible - 02 - Restricting domains of functions to make them invertible.webm 5.6 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/09 - Determining whether a function is invertible - 02 - Restricting domains of functions to make them invertible.webm 5.6 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 04 - Restricting domains of functions to make them invertible.webm 5.6 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 04 - Restricting domains of functions to make them invertible.webm 5.6 MB
Math by grade/05 - 4th - 05 - Measurement and data/02 - Estimating volume - 02 - U.S. customary units_ fluid volume.webm 5.6 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/05 - Multiplying decimals - 03 - Multiplying decimals_ place value.webm 5.6 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/04 - Multiplying decimals - 02 - Multiplying decimals_ place value.webm 5.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/05 - Features and forms of quadratic functions - 04 - Comparing features of quadratic functions.webm 5.6 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/09 - Features and forms of quadratic functions - 04 - Comparing features of quadratic functions.webm 5.6 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/01 - Infrared spectroscopy - 05 - Signal characteristics - intensity.webm 5.6 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 05 - Signal characteristics - intensity.webm 5.6 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/04 - Quadratic vertex form - 01 - Vertex and axis of symmetry of a parabola.webm 5.6 MB
Math by grade/09 - 8th - 01 - Numbers and operations/06 - Negative exponents - 01 - Negative exponents.webm 5.6 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 01 - Perfect square factorization intro.webm 5.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/05 - England (Constable, Turner, Martin and Nash) - 03 - Turner, Rain, steam, and speed – the great western railway.webm 5.6 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/01 - Introduction to exponential growth and decay - 02 - Initial value and common ratio of exponential functions.webm 5.6 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/03 - Interpreting formulas of basic exponential functions - 01 - Initial value and common ratio of exponential functions.webm 5.6 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/02 - Exponential expressions - 02 - Initial value and common ratio of exponential functions.webm 5.6 MB
Math by grade/04 - 3rd - 03 - Fractions/08 - Comparing fractions of different wholes - 02 - Comparing fractions of different wholes 2.webm 5.6 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/03 - Temperature and state changes in water - 02 - Evaporative cooling.webm 5.6 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/03 - Temperature and state changes in water - 02 - Evaporative cooling.webm 5.6 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/04 - Real and nominal GDP - 03 - Example calculating real GDP with a deflator.webm 5.6 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/09 - Word problems within 100 - 04 - Subtraction word problem_ snow.webm 5.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 11 - Cassatt, The Loge.webm 5.6 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 02 - What is staphylococcal enteritis_.webm 5.6 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 03 - What is staphylococcal enteritis_.webm 5.6 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 03 - What is staphylococcal enteritis_.webm 5.6 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 04 - What is staphylococcal enteritis_.webm 5.6 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 07 - Hedge fund strategies_ Merger arbitrage 1.webm 5.6 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 03 - Triangle exterior angle example.webm 5.6 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 02 - Triangle exterior angle example.webm 5.6 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 01 - Affect and effect.webm 5.6 MB
Science & engineering/10 - Health and medicine - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 09 - Gout pathophysiology.webm 5.6 MB
Test prep/05 - NCLEX-RN - 15 - Muscular-skeletal diseases/01 - Arthritis and rheumatoid arthritis - 09 - Gout pathophysiology.webm 5.6 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/13 - Perimeter - 04 - Finding missing side length when given perimeter.webm 5.6 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/09 - Intro to addition with 2-digit numbers - 03 - Breaking apart 2-digit addition problems.webm 5.6 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/04 - Intro to addition with 2-digit numbers - 03 - Breaking apart 2-digit addition problems.webm 5.6 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/01 - Cash versus accrual accounting - 03 - Comparing accrual and cash accounting.webm 5.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 15 - LC natural response intuition 1.webm 5.6 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/02 - Resonance structures - 03 - Resonance structures for benzene and the phenoxide anion.webm 5.6 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 07 - IIT JEE integral limit.webm 5.6 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/02 - Pertussis - 01 - What is pertussis_.webm 5.6 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 01 - What is pertussis_.webm 5.6 MB
Math by grade/09 - 8th - 05 - Geometry/04 - Pythagorean theorem application - 04 - Pythagorean theorem in 3D.webm 5.6 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 02 - Basic capital structure differences.webm 5.6 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/02 - Density - 01 - Density word problem_ blimp.webm 5.6 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/02 - Density - 01 - Density word problem_ blimp.webm 5.6 MB
Arts and humanities/02 - US history - 06 - The Civil War era (1844-1877)/03 - Reconstruction - 01 - An overview and the 13th Amendment.webm 5.6 MB
Arts and humanities/03 - AP US History - 06 - Period 5_ 1844-1877/03 - Reconstruction - 01 - An overview and the 13th Amendment.webm 5.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 05 - Genetic recombination 1.webm 5.6 MB
Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/17 - Becoming a better programmer - 01 - Help others learn!.webm 5.6 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 05 - RSA encryption_ Step 1.webm 5.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 02 - Northern Renaissance_ 1400s/06 - Christus - 02 - Christus, Portrait of a Young Girl.webm 5.6 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 06 - Inferior goods clarification.webm 5.6 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 07 - Inferior goods clarification.webm 5.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 04 - Sine and cosine come from circles.webm 5.6 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/03 - Names and formulas of ionic compounds - 02 - Common polyatomic ions.webm 5.6 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 02 - Common polyatomic ions.webm 5.6 MB
Science & engineering/06 - AP Chemistry - 01 - Atoms, compounds, and ions/02 - Compounds and ions - 03 - Common polyatomic ions.webm 5.6 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 02 - Common polyatomic ions.webm 5.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 01 - Common polyatomic ions.webm 5.6 MB
Test prep/02 - MCAT - 06 - Cells/08 - Viruses - 04 - Subviral particles_ viroids and prions.webm 5.6 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 04 - Evans, Subway Passengers, New York.webm 5.6 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 03 - Equations with rational expressions.webm 5.6 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/05 - Solving rational equations - 03 - Equations with rational expressions.webm 5.6 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/01 - Multiply and divide negative numbers - 03 - Why a negative times a negative makes sense.webm 5.5 MB
Science & engineering/01 - Physics - 09 - Fluids/01 - Density and Pressure - 01 - Specific gravity.webm 5.5 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/01 - Density and Pressure - 01 - Specific gravity.webm 5.5 MB
Test prep/02 - MCAT - 08 - Physical processes/09 - Fluids at rest - 07 - Specific gravity.webm 5.5 MB
Test prep/02 - MCAT - 08 - Physical processes/28 - Stoichiometry - 08 - Specific gravity.webm 5.5 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/03 - Standard equation of a circle - 02 - Graphing a circle from its standard equation.webm 5.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/11 - Standard equation of a circle - 02 - Graphing a circle from its standard equation.webm 5.5 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/03 - Standard equation of a circle - 02 - Graphing a circle from its standard equation.webm 5.5 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/03 - Standard equation of a circle - 02 - Graphing a circle from its standard equation.webm 5.5 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/05 - Naming and preparing alkynes - 01 - Alkyne nomenclature.webm 5.5 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 02 - Adding decimals with ones and tenths parts.webm 5.5 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 04 - Worked example_ quadratic formula (example 2).webm 5.5 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 04 - Worked example_ quadratic formula (example 2).webm 5.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 05 - Chronic disease vs iron deficiency anemia.webm 5.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 05 - Chronic disease vs iron deficiency anemia.webm 5.5 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/01 - Multiplication intro - 03 - More ways to multiply.webm 5.5 MB
Math by grade/07 - 6th - 08 - Geometry/06 - Surface area - 01 - Intro to nets of polyhedra.webm 5.5 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 15 - Intro to nets of polyhedra.webm 5.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 04 - Systems of equations with graphing_ chores.webm 5.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 05 - Systems of equations with graphing_ chores.webm 5.5 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 02 - Emphysema pathophysiology.webm 5.5 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 02 - Emphysema pathophysiology.webm 5.5 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/03 - Probability with counting, permutations, combinations - 05 - Mega millions jackpot probability.webm 5.5 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/04 - Probability with counting, permutations, combinations - 05 - Mega millions jackpot probability.webm 5.5 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 10 - Mega millions jackpot probability.webm 5.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/03 - Equivalent systems of equations and the elimination method - 07 - Worked example_ non-equivalent systems of equations.webm 5.5 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/06 - Solving exponential models - 01 - Exponential model word problem_ medication dissolve.webm 5.5 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/06 - Solving exponential models - 01 - Exponential model word problem_ medication dissolve.webm 5.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 09 - Linear function example_ spending money.webm 5.5 MB
Math by grade/03 - 2nd - 04 - Measurement and data/08 - Money - 02 - Counting American coins.webm 5.5 MB
Science & engineering/07 - Organic chemistry - 13 - Amines/01 - Naming amines - 02 - Amine naming 2.webm 5.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 01 - Corporate debt versus traditional mortgages.webm 5.5 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/01 - Cognition - 01 - Piaget's stages of cognitive development.webm 5.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 01 - Piaget's stages of cognitive development.webm 5.5 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/09 - The reciprocal trigonometric ratios - 02 - Using reciprocal trig ratios.webm 5.5 MB
Math by grade/03 - 2nd - 04 - Measurement and data/01 - Measuring length - 01 - Measuring lengths 2.webm 5.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 08 - Pop/01 - Pop - 04 - James Rosenquist, 'F-111,' 1964-65.webm 5.5 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 06 - Writing systems of inequalities word problem.webm 5.5 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 06 - Same length in different units.webm 5.5 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/02 - Dimensional analysis for converting - 02 - Same length in different units.webm 5.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 01 - Hippopotamus.webm 5.5 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/04 - Adding and subtracting integers - 02 - Addition and subtraction_ find the missing value (part 1 of 2).webm 5.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/01 - Systems of equations overview - 05 - Systems of equations with substitution_ potato chips.webm 5.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/01 - Systems of equations overview - 05 - Systems of equations with substitution_ potato chips.webm 5.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/04 - Solving systems of equations with substitution - 01 - Systems of equations with substitution_ potato chips.webm 5.5 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 05 - Alkene stability.webm 5.5 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/02 - Arc measure - 01 - Intro to arc measure.webm 5.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/02 - Arc measure - 01 - Intro to arc measure.webm 5.5 MB
Science & engineering/10 - Health and medicine - 07 - Hematologic system diseases/01 - Anemia - 03 - Microcytic, normocytic, and macrocytic anemias.webm 5.5 MB
Test prep/05 - NCLEX-RN - 06 - Hematologic system diseases/01 - Anemia - 03 - Microcytic, normocytic, and macrocytic anemias.webm 5.5 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/05 - Constructing exponential models according to rate of change - 01 - Constructing exponential models.webm 5.5 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/04 - Constructing exponential models according to rate of change - 01 - Constructing exponential models.webm 5.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 13 - Marina Abramović_ What is performance art_.webm 5.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 04 - Telomeres and single copy DNA vs repetitive DNA.webm 5.5 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 03 - Total consumer surplus as area.webm 5.5 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/02 - Extraneous solutions of radical equations - 01 - Extraneous solutions of radical equations.webm 5.5 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/02 - Extraneous solutions of radical equations - 01 - Extraneous solutions of radical equations.webm 5.5 MB
Math by grade/08 - 7th - 06 - Geometry/04 - Missing angle problems - 02 - Find measure of angles word problem.webm 5.5 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/06 - Arterial stiffness - 03 - Stored elastic energy in large and middle sized arteries.webm 5.5 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/06 - Arterial stiffness - 03 - Stored elastic energy in large and middle sized arteries.webm 5.5 MB
Science & engineering/08 - Biology - 06 - Energy and enzymes/04 - ATP and reaction coupling - 02 - ATP hydrolysis mechanism.webm 5.5 MB
Science & engineering/08 - Biology - 09 - Cellular respiration/01 - Introduction to cellular respiration - 02 - ATP hydrolysis mechanism.webm 5.5 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/01 - Intro to photosynthesis - 02 - ATP hydrolysis mechanism.webm 5.5 MB
Science & engineering/09 - AP Biology - 07 - Energy and enzymes/04 - ATP and reaction coupling - 02 - ATP hydrolysis mechanism.webm 5.5 MB
Science & engineering/09 - AP Biology - 10 - Cellular respiration/01 - Introduction to cellular respiration - 02 - ATP hydrolysis mechanism.webm 5.5 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/01 - Intro to photosynthesis - 02 - ATP hydrolysis mechanism.webm 5.5 MB
Math by grade/06 - 5th - 02 - Fractions/15 - Rewriting fractions as decimals - 02 - Rewriting a fraction as a decimal_ 6_12.webm 5.5 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/02 - Commas in space and time - 03 - Commas and introductory elements.webm 5.5 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/06 - Sound (Audition) - 02 - Auditory structure - part 2.webm 5.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/03 - Sound (Audition) - 02 - Auditory structure - part 2.webm 5.5 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/05 - Printmaking - 04 - Introduction to intaglio.webm 5.5 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/01 - Introduction to sentences - 01 - What is a sentence_.webm 5.5 MB
Math by grade/05 - 4th - 06 - Geometry/11 - Classifying geometric shapes - 02 - Quadrilateral properties.webm 5.5 MB
Math by grade/06 - 5th - 05 - Geometry/03 - Quadrilaterals - 02 - Quadrilateral properties.webm 5.5 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 10 - Quadrilateral properties.webm 5.5 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 02 - Conformity and obedience.webm 5.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 05 - Secure and insecure attachment.webm 5.5 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/02 - Ions and compounds - 02 - Naming ions and ionic compounds.webm 5.5 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/03 - Names and formulas of ionic compounds - 01 - Naming ions and ionic compounds.webm 5.5 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/04 - Writing and solving proportions - 04 - Proportion word problem_ hot dogs.webm 5.5 MB
Math by grade/09 - 8th - 01 - Numbers and operations/08 - Working with powers of 10 - 02 - Approximating with powers of 10.webm 5.5 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/02 - Attention and language - 01 - Divided attention, selective attention, inattentional blindness, and change blindness.webm 5.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/08 - Attention - 01 - Divided attention, selective attention, inattentional blindness, and change blindness.webm 5.5 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/04 - Working with triangles - 03 - Finding angles in isosceles triangles.webm 5.5 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/01 - Compound interest basics - 01 - Compound interest introduction.webm 5.4 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/03 - Formatting styles - 03 - Parentheses.webm 5.4 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/03 - Stroke - 13 - Diagnosing strokes by history and physical exam.webm 5.4 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/03 - Stroke - 13 - Diagnosing strokes by history and physical exam.webm 5.4 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/05 - Theorems concerning quadrilateral properties - 06 - Proof_ Rhombus area.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/01 - Quadratic equations_ taking square root - 02 - Solving quadratics by taking square roots examples.webm 5.4 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/03 - Solving quadratics by taking square roots - 02 - Solving quadratics by taking square roots examples.webm 5.4 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/07 - Hellenistic - 03 - Bronze statue of Eros sleeping.webm 5.4 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 02 - Passive Transport by Facilitated Diffusion.webm 5.4 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 03 - Resonance and dot structures.webm 5.4 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 03 - Resonance and dot structures.webm 5.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/04 - Dot structures - 03 - Resonance and dot structures.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/03 - Solving similar triangles - 02 - Solving similar triangles_ same side plays different roles.webm 5.4 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/03 - Solving similar triangles - 02 - Solving similar triangles_ same side plays different roles.webm 5.4 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/08 - Subtraction within 100 - 02 - Subtracting with regrouping (borrowing).webm 5.4 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/03 - Adding and subtracting with negatives on the number line - 01 - Adding negative numbers on the number line.webm 5.4 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/05 - Constructing basic exponential models - 01 - Modeling with basic exponential functions word problem.webm 5.4 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 07 - Modeling with basic exponential functions word problem.webm 5.4 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 03 - Depreciation in cash flow.webm 5.4 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/05 - Cystic fibrosis - 04 - Cystic fibrosis treatments.webm 5.4 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 04 - Cystic fibrosis treatments.webm 5.4 MB
Math by grade/04 - 3rd - 05 - Place value and rounding/01 - Rounding - 03 - Rounding to nearest 10 and 100.webm 5.4 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 04 - Stiffness and damping.webm 5.4 MB
Math by grade/08 - 7th - 07 - Statistics and probability/02 - Probability models - 02 - Making predictions with probability.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 06 - Making predictions with probability.webm 5.4 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 06 - Making predictions with probability.webm 5.4 MB
Arts and humanities/05 - Grammar - 10 - Syntax_ conventions of standard English/01 - Subject-verb agreement and pronoun-antecedent agreement - 01 - Subject-verb agreement.webm 5.4 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/04 - Vector addition and subtraction - 02 - Graphically adding and subtracting vectors.webm 5.4 MB
Math by grade/04 - 3rd - 03 - Fractions/07 - Comparing fractions - 01 - Comparing fractions with > and < symbols.webm 5.4 MB
Arts and humanities/01 - World history - 02 - 600 BCE - 600 CE Second-Wave Civilizations/12 - Buddhism - 03 - Core spiritual ideas of Buddhism.webm 5.4 MB
Math by grade/09 - 8th - 01 - Numbers and operations/03 - Irrational numbers - 04 - Worked example_ classifying numbers.webm 5.4 MB
Science & engineering/01 - Physics - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 10 - Constant angular momentum when no net torque.webm 5.4 MB
Science & engineering/02 - AP Physics 1 - 07 - Torque and angular momentum/02 - Torque, moments, and angular momentum - 10 - Constant angular momentum when no net torque.webm 5.4 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/12 - Challenging conic section problems (IIT JEE) - 02 - Common tangent of circle and hyperbola (1 of 5).webm 5.4 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 23 - Common tangent of circle and hyperbola (1 of 5).webm 5.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 02 - Quantitative easing.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/04 - Multiplication rule for independent events - 01 - Compound probability of independent events.webm 5.4 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/05 - Multiplication rule for independent events - 01 - Compound probability of independent events.webm 5.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 01 - Compound probability of independent events.webm 5.4 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 06 - Number of solutions to a system of equations graphically.webm 5.4 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 06 - Number of solutions to a system of equations graphically.webm 5.4 MB
Test prep/02 - MCAT - 06 - Cells/09 - Cellular division - 02 - Cell cycle control.webm 5.4 MB
Math by grade/06 - 5th - 02 - Fractions/11 - Fractions as division - 01 - Understanding fractions as division.webm 5.4 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 04 - What is cholera_.webm 5.4 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 05 - What is cholera_.webm 5.4 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 04 - What is cholera_.webm 5.4 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 05 - What is cholera_.webm 5.4 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/02 - Composing functions - 01 - Intro to composing functions.webm 5.4 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/02 - Composing functions - 01 - Intro to composing functions.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/04 - Special right triangles - 05 - Special right triangles proof (part 2).webm 5.4 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 05 - Special right triangles proof (part 2).webm 5.4 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/05 - One-step equation word problems - 03 - Modeling with one-step equations.webm 5.4 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/03 - Subtracting decimals - 01 - Strategies for subtracting basic decimals.webm 5.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/14 - Pregnancy and pregnancy complications - 11 - Sheehan syndrome.webm 5.4 MB
Test prep/05 - NCLEX-RN - 19 - Reproductive system physiology/02 - Pregnancy and pregnancy complications - 11 - Sheehan syndrome.webm 5.4 MB
Science & engineering/01 - Physics - 16 - Special relativity/04 - Einstein velocity addition - 01 - Lorentz transformation for change in coordinates.webm 5.4 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/03 - Percent word problems - 02 - Solving percent problems.webm 5.4 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/03 - Relative pronouns - 03 - Who versus whom.webm 5.4 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/01 - Cognition - 02 - Problem solving.webm 5.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 03 - Problem solving.webm 5.4 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/02 - Historical circumstances explained by AD_AS - 03 - Cost-push inflation.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/03 - Quadratic equations_ completing the square - 04 - Worked example_ completing the square (leading coefficient ≠ 1).webm 5.4 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/06 - Completing the square - 05 - Worked example_ completing the square (leading coefficient ≠ 1).webm 5.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 06 - Isoelectric point and zwitterions.webm 5.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 06 - Isoelectric point and zwitterions.webm 5.4 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/10 - Patterns in arithmetic - 03 - Patterns in multiplication tables.webm 5.4 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 06 - Conflict theory.webm 5.4 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 10 - Freud - Death drive, reality principle, and pleasure principle.webm 5.4 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/05 - Multiplication rule for dependent events - 01 - Dependent probability introduction.webm 5.4 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/06 - Multiplication rule for dependent events - 01 - Dependent probability introduction.webm 5.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/05 - Dependent events - 01 - Dependent probability introduction.webm 5.4 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 06 - 5. Rotation.webm 5.4 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/05 - AC circuit analysis - 15 - Euler's cosine wave.webm 5.3 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/02 - Introduction to adverbs - 01 - Intro to adverbs.webm 5.3 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 06 - Hedge fund strategies_ Long short2.webm 5.3 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/05 - Bulk transport - 02 - Exocytosis.webm 5.3 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/05 - Bulk transport - 02 - Exocytosis.webm 5.3 MB
Test prep/02 - MCAT - 06 - Cells/03 - Transport across a cell membrane - 07 - Exocytosis.webm 5.3 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 07 - Social perception - Primacy recency.webm 5.3 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 04 - Mark Rothko's No. 3_No. 13, 1949.webm 5.3 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 03 - Using trig angle addition identities_ manipulating expressions.webm 5.3 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 03 - Using trig angle addition identities_ manipulating expressions.webm 5.3 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 08 - Neonatal reflexes.webm 5.3 MB
Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 07 - Types of indifference curves.webm 5.3 MB
Science & engineering/11 - Electrical engineering - 06 - Signals and systems/01 - Fourier series - 03 - Integral of sine times cosine.webm 5.3 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/07 - Finding inverse functions - 01 - Finding inverse functions_ linear.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/07 - Finding inverse functions - 01 - Finding inverse functions_ linear.webm 5.3 MB
Arts and humanities/01 - World history - 06 - The 20th century/04 - Blockades and American entry - 02 - Zimmermann Telegram.webm 5.3 MB
Arts and humanities/02 - US history - 08 - Rise to world power (1890-1945)/02 - The United States in World War I - 02 - Zimmermann Telegram.webm 5.3 MB
Arts and humanities/03 - AP US History - 08 - Period 7_ 1890-1945/02 - The United States in World War I - 02 - Zimmermann Telegram.webm 5.3 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/01 - Introduction to nouns - 01 - Introduction to nouns.webm 5.3 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 01 - Redox reaction from dissolving zinc in copper sulfate.webm 5.3 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 01 - Redox reaction from dissolving zinc in copper sulfate.webm 5.3 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 01 - Redox reaction from dissolving zinc in copper sulfate.webm 5.3 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 03 - Korea/04 - Goryeo dynasty (918-1392) - 02 - Ewer with lid.webm 5.3 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 05 - Proof of the cosine angle addition identity.webm 5.3 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 05 - Proof of the cosine angle addition identity.webm 5.3 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 05 - Worked example_ Triangle angles (diagram).webm 5.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 04 - Worked example_ Triangle angles (diagram).webm 5.3 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/01 - Solving equations by graphing - 01 - Interpreting equations graphically.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/01 - Solving equations by graphing - 01 - Interpreting equations graphically.webm 5.3 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 01 - Newton's first law of motion.webm 5.3 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 01 - Newton's first law of motion.webm 5.3 MB
Science & engineering/05 - Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 03 - Surface tension.webm 5.3 MB
Science & engineering/06 - AP Chemistry - 07 - States of matter and intermolecular forces/02 - Introduction to intermolecular forces - 03 - Surface tension.webm 5.3 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/02 - Cohesion and adhesion - 02 - Surface tension.webm 5.3 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/02 - Cohesion and adhesion - 02 - Surface tension.webm 5.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 08 - Transposition of great arteries.webm 5.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 08 - Transposition of great arteries.webm 5.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 04 - Atrial fibrillation (Afib).webm 5.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 04 - Atrial fibrillation (Afib).webm 5.3 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 02 - Boucher, Madame de Pompadour.webm 5.3 MB
Math by grade/05 - 4th - 08 - Place value and rounding/02 - How 10 relates to place value - 05 - Place value when multiplying and dividing by 10.webm 5.3 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/01 - Introduction to logarithms - 01 - Intro to logarithms.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/01 - Introduction to logarithms - 01 - Intro to logarithms.webm 5.3 MB
Science & engineering/01 - Physics - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 04 - Momentum_ Ice skater throws a ball.webm 5.3 MB
Science & engineering/02 - AP Physics 1 - 06 - Impacts and linear momentum/01 - Momentum and Impulse - 04 - Momentum_ Ice skater throws a ball.webm 5.3 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/07 - Basic trigonometric identities - 03 - Sine and cosine identities_ periodicity.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/04 - Basic trigonometric identities - 03 - Sine and cosine identities_ periodicity.webm 5.3 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/04 - Basic trigonometric identities - 03 - Sine and cosine identities_ periodicity.webm 5.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 03 - Solutions to systems of equations_ consistent vs. inconsistent.webm 5.3 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 03 - Solutions to systems of equations_ consistent vs. inconsistent.webm 5.3 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 04 - Percentage tax on hamburgers.webm 5.3 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/12 - Introduction to symmetry of functions - 03 - Even_odd functions and numbers.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/14 - Introduction to symmetry of functions - 03 - Even_odd functions and numbers.webm 5.3 MB
Test prep/02 - MCAT - 06 - Cells/01 - Cell membrane overview - 06 - Membrane dynamics.webm 5.3 MB
Math by grade/05 - 4th - 06 - Geometry/09 - Line of symmetry - 02 - Identifying symmetrical figures.webm 5.3 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/07 - Mergers and acquisitions - 02 - Price behavior after announced acquisition.webm 5.3 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/04 - Constructing geometric sequences - 01 - Explicit and recursive formulas for geometric sequences.webm 5.3 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/04 - Constructing geometric sequences - 01 - Explicit and recursive formulas for geometric sequences.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/04 - Geometric sequences - 02 - Explicit and recursive formulas for geometric sequences.webm 5.3 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/04 - Geometric sequences - 03 - Explicit and recursive formulas for geometric sequences.webm 5.3 MB
Arts and humanities/05 - Grammar - 10 - Syntax_ conventions of standard English/01 - Subject-verb agreement and pronoun-antecedent agreement - 02 - Pronoun-antecedent agreement.webm 5.3 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/02 - Multiplication and division word problems with negatives - 01 - Interpreting multiplication and division of negative numbers.webm 5.3 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/07 - Direct and inverse variation - 04 - Inverse variation word problem_ string vibration.webm 5.3 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/06 - Direct and inverse variation - 04 - Inverse variation word problem_ string vibration.webm 5.3 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/08 - Inscribed shapes problem solving - 01 - Proof_ Right triangles inscribed in circles.webm 5.3 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/08 - Inscribed shapes problem solving - 01 - Proof_ Right triangles inscribed in circles.webm 5.3 MB
Arts and humanities/02 - US history - 01 - The historian's toolkit/02 - AP US History exam practice - 05 - AP US History DBQ example 1.webm 5.3 MB
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/02 - AP US History exam practice - 05 - AP US History DBQ example 1.webm 5.3 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/04 - Bar graphs - 04 - Interpreting bar graphs_ colors.webm 5.3 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/01 - Introduction to factorization - 01 - Intro to factors and divisibility.webm 5.3 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/10 - Matrices as transformations - 03 - Visual representation of transformation from matrix.webm 5.3 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/03 - Scalar multiplication - 01 - Scalar multiplication of vectors.webm 5.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 05 - Centriacinar emphysema vs panacinar emphysema.webm 5.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 05 - Centriacinar emphysema vs panacinar emphysema.webm 5.3 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/02 - Sums and products of rational and irrational numbers - 04 - Sums and products of irrational numbers.webm 5.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 08 - China keeps peg but diversifies holdings.webm 5.3 MB
Math by grade/05 - 4th - 03 - Fractions/13 - Fractions with denominators of 10 and 100 - 01 - Visually converting tenths and hundredths.webm 5.3 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 02 - Attribution theory - Attribution error and culture.webm 5.3 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/03 - Scalar multiplication - 02 - Analyzing scalar multiplication.webm 5.3 MB
Math by grade/06 - 5th - 02 - Fractions/01 - Visually adding and subtracting fractions with unlike denominators - 01 - Visually adding fractions_ 5_6+1_4.webm 5.3 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/03 - Coin detector - 05 - Design review (calibration).webm 5.2 MB
Math by grade/03 - 2nd - 04 - Measurement and data/05 - Bar graphs - 02 - Creating picture and bar graphs 1.webm 5.2 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/04 - Bar graphs - 01 - Creating picture and bar graphs 1.webm 5.2 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/05 - Picture graphs - 01 - Creating picture and bar graphs 1.webm 5.2 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/03 - Formatting styles - 01 - Italics and underlining.webm 5.2 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/01 - Equivalent forms of exponential expressions - 01 - Simplifying exponential expressions.webm 5.2 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/01 - Equivalent forms of exponential expressions - 01 - Simplifying exponential expressions.webm 5.2 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/08 - One and two-step word problems - 01 - 2-step estimation problem_ marbles.webm 5.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 07 - Southern blot.webm 5.2 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 12 - Social theories overview (part 2).webm 5.2 MB
Arts and humanities/04 - Art history/01 - Art history basics - 02 - Tools for understanding art/01 - Tools for understanding art - 03 - What is atmospheric perspective_.webm 5.2 MB
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/02 - Pertussis - 05 - Pertussis vaccine.webm 5.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 05 - Pertussis vaccine.webm 5.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/02 - Asthma - 05 - Asthma shortterm treatments.webm 5.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 05 - Asthma shortterm treatments.webm 5.2 MB
Arts and humanities/04 - Art history/15 - For teachers - 01 - Course materials/01 - Course materials - 01 - Art history (Smarthistory) on Khanacademy.org.webm 5.2 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 01 - Demand curve as marginal benefit curve.webm 5.2 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/01 - Multiply and divide negative numbers - 04 - Why a negative times a negative is a positive.webm 5.2 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/06 - Two-step equation word problems - 03 - Two-step equation word problem_ oranges.webm 5.2 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/06 - Two-step equation word problems - 03 - Two-step equation word problem_ oranges.webm 5.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 03 - Graphs of rational functions_ horizontal asymptote.webm 5.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 03 - Graphs of rational functions_ horizontal asymptote.webm 5.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 11 - Hormones, body mass, and obesity.webm 5.2 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/12 - Addition and subtraction missing value problems - 01 - Missing numbers in addition and subtraction.webm 5.2 MB
Test prep/02 - MCAT - 06 - Cells/08 - Viruses - 02 - Viral replication_ lytic vs lysogenic.webm 5.2 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 14 - Proving angles are congruent.webm 5.2 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/03 - Understanding multiplying and dividing fractions - 01 - Negative signs in fractions.webm 5.2 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/07 - Black-Scholes formula - 02 - Implied volatility.webm 5.2 MB
Test prep/02 - MCAT - 06 - Cells/11 - Embryology - 04 - Gestation.webm 5.2 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 05 - Gestation.webm 5.2 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/03 - Subtracting decimals - 03 - Subtraction strategies with hundredths.webm 5.2 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/02 - Features of a circle - 02 - Features of a circle from its graph.webm 5.2 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/02 - The features of a circle - 02 - Features of a circle from its graph.webm 5.2 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/02 - The features of a circle - 02 - Features of a circle from its graph.webm 5.2 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 12 - Marina Abramović.webm 5.2 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/09 - Standard form - 03 - Converting from slope-intercept to standard form.webm 5.2 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/09 - Standard form - 03 - Converting from slope-intercept to standard form.webm 5.2 MB
Computing/01 - Computer programming - 02 - Intro to HTML_CSS_ Making webpages/01 - Intro to HTML - 01 - Welcome to the web!.webm 5.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 09 - George Herbert Mead- The I and the Me.webm 5.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/06 - Self-presentation and interacting with others - 02 - George Herbert Mead- The I and the Me.webm 5.2 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 01 - Fed open market operations.webm 5.2 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/01 - Adding 1s, 10s, and 100s - 01 - Adding 10 or 100.webm 5.2 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/02 - Graphing two-variable inequalities - 04 - Intro to graphing systems of inequalities.webm 5.2 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 05 - Compliment_complement and desert_dessert.webm 5.2 MB
Math by grade/07 - 6th - 04 - Properties of numbers/03 - Least common multiple - 03 - Least common multiple of three numbers.webm 5.2 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/12 - Decompose figures to find area - 04 - Area word problem_ house size.webm 5.2 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/06 - Multiplying binomials - 02 - Multiplying binomials intro.webm 5.2 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/06 - Multiplying binomials - 02 - Multiplying binomials intro.webm 5.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 03 - Adding rational expression_ unlike denominators.webm 5.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 03 - Adding rational expression_ unlike denominators.webm 5.2 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/02 - Extraneous solutions of radical equations - 02 - Extraneous solutions of radical equations (example 2).webm 5.1 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/02 - Extraneous solutions of radical equations - 02 - Extraneous solutions of radical equations (example 2).webm 5.1 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/04 - Subject, object, person, and number - 02 - Grammatical person and pronouns.webm 5.1 MB
Math by grade/09 - 8th - 01 - Numbers and operations/04 - Approximating irrational numbers - 02 - Comparing irrational numbers with radicals.webm 5.1 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 12 - Tiffany, Hair Ornament.webm 5.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 07 - What is salmonella poisoning_.webm 5.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 08 - What is salmonella poisoning_.webm 5.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 07 - What is salmonella poisoning_.webm 5.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 08 - What is salmonella poisoning_.webm 5.1 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/01 - Introduction to adjectives and articles - 03 - Definite and indefinite articles.webm 5.1 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 10 - Coupling constant.webm 5.1 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 10 - Coupling constant.webm 5.1 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/02 - Problem solving with distance on the coordinate plane - 04 - Coordinate plane word problem.webm 5.1 MB
Test prep/02 - MCAT - 09 - Chemical processes/07 - Separations and purifications - 04 - Thin layer chromatography (TLC).webm 5.1 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/04 - Linear equations with unknown coefficients - 01 - Linear equations with unknown coefficients.webm 5.1 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/11 - Linear equations with unknown coefficients - 01 - Linear equations with unknown coefficients.webm 5.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 05 - Modeling with linear equations_ snow.webm 5.1 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/02 - Finite arithmetic series - 04 - Worked example_ arithmetic series (recursive formula).webm 5.1 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/03 - Finite arithmetic series - 04 - Worked example_ arithmetic series (recursive formula).webm 5.1 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/03 - Finite arithmetic series - 04 - Worked example_ arithmetic series (recursive formula).webm 5.1 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/03 - Expression value intuition - 01 - Expression value intuition.webm 5.1 MB
Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/01 - Intro to programming - 01 - What is Programming_.webm 5.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 04 - Photoreceptors (rods vs cones).webm 5.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 04 - Photoreceptors (rods vs cones).webm 5.1 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 01 - Representing structures of organic molecules.webm 5.1 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 01 - Representing structures of organic molecules.webm 5.1 MB
Science & engineering/08 - Biology - 04 - Properties of carbon/01 - Carbon - 03 - Representing structures of organic molecules.webm 5.1 MB
Science & engineering/09 - AP Biology - 05 - Properties of carbon/01 - Carbon - 03 - Representing structures of organic molecules.webm 5.1 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrochemistry, thermodynamics, and equilibrium - 02 - Standard cell potential and the equilibrium constant.webm 5.1 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/04 - Electrochemistry, thermodynamics, and equilibrium - 02 - Standard cell potential and the equilibrium constant.webm 5.1 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/02 - Solving quadratics by factoring - 05 - Quadratic equations word problem_ box dimensions.webm 5.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/05 - Solving quadratics by factoring - 05 - Quadratic equations word problem_ box dimensions.webm 5.1 MB
Math by grade/05 - 4th - 04 - Decimals/01 - Intro to decimals - 02 - Decimals as words.webm 5.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/05 - Heart failure - 09 - Heart failure treatment - Late stages.webm 5.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/04 - Heart failure - 09 - Heart failure treatment - Late stages.webm 5.1 MB
Math by grade/07 - 6th - 04 - Properties of numbers/04 - Greatest common factor - 02 - Greatest common factor explained.webm 5.1 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/01 - Intro to adding negative numbers - 01 - Adding negative numbers example.webm 5.1 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 03 - Loanable funds interpretation of IS curve.webm 5.1 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/10 - Graphs of rational functions - 02 - Graphs of rational functions_ y-intercept.webm 5.1 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/09 - Graphs of rational functions - 02 - Graphs of rational functions_ y-intercept.webm 5.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 06 - Signal detection theory - part 2.webm 5.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 08 - Signal detection theory - part 2.webm 5.1 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 06 - Behavioral theory.webm 5.1 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/07 - Later Zhao (319-351) - 01 - Seated Buddha dated 338.webm 5.1 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/05 - Multi-step inequalities - 01 - Inequalities with variables on both sides.webm 5.1 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/04 - Multi-step inequalities - 01 - Inequalities with variables on both sides.webm 5.1 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/09 - Cardiac dysrhythmias and tachycardias - 05 - Atrial flutter (AFL).webm 5.1 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/05 - Cardiac dysrhythmias and tachycardias - 05 - Atrial flutter (AFL).webm 5.1 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 03 - Doing the example with accounts payable growing.webm 5.1 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/01 - Law of sines - 01 - Solving for a side with the law of sines.webm 5.1 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/10 - Law of sines - 01 - Solving for a side with the law of sines.webm 5.1 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/01 - The law of sines - 01 - Solving for a side with the law of sines.webm 5.1 MB
Math by grade/07 - 6th - 09 - Data and statistics/03 - Histograms - 02 - Interpreting a histogram.webm 5.1 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/01 - Displays of distributions - 03 - Interpreting a histogram.webm 5.1 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/01 - Displays of distributions - 03 - Interpreting a histogram.webm 5.1 MB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 07 - Formation of nitrate esters.webm 5.1 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 18 - Depression and bipolar disorder.webm 5.1 MB
Math by grade/07 - 6th - 08 - Geometry/06 - Surface area - 05 - Surface area of a box using nets.webm 5.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/09 - Zeros of polynomials and their graphs - 01 - Zeros of polynomials and their graphs.webm 5.1 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/11 - Zeros of polynomials and their graphs - 01 - Zeros of polynomials and their graphs.webm 5.1 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 02 - Classical conditioning_ Extinction, spontaneous recovery, generalization, discrimination.webm 5.1 MB
Math by grade/07 - 6th - 03 - Negative numbers/03 - Number opposites - 02 - Negative symbol as opposite.webm 5.1 MB
Math by grade/06 - 5th - 02 - Fractions/04 - Adding and subtracting fractions with unlike denominators word problems - 01 - Adding fractions word problem_ paint.webm 5.1 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/01 - Time - 03 - Time differences example.webm 5.1 MB
Math by grade/05 - 4th - 05 - Measurement and data/04 - Time - 02 - Time differences example.webm 5.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 02 - DNA and chromatin regulation.webm 5.1 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 10 - Stabilization of a conjugate base_ induction.webm 5.1 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/05 - Multiplying complex numbers - 01 - Multiplying complex numbers.webm 5.0 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/05 - Multiplying complex numbers - 01 - Multiplying complex numbers.webm 5.0 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/05 - Multiplying complex numbers - 02 - Multiplying complex numbers.webm 5.0 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/07 - Special products of binomials - 05 - Special products of binomials_ two variables.webm 5.0 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/07 - Special products of binomials - 05 - Special products of binomials_ two variables.webm 5.0 MB
Computing/04 - Computer animation - 11 - Character modeling/02 - Mathematics of subdivision - 01 - 1. Weighted average of three points.webm 5.0 MB
Math by grade/07 - 6th - 04 - Properties of numbers/04 - Greatest common factor - 01 - Greatest common factor examples.webm 5.0 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/02 - End behavior and graphs of basic exponential functions - 01 - Exponential function graph.webm 5.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 04 - Exponential function graph.webm 5.0 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/03 - Graphs of exponential growth - 01 - Exponential function graph.webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 04 - Exponential function graph.webm 5.0 MB
Computing/04 - Computer animation - 03 - Simulation/02 - Code your own simulation - 01 - Starting with particles.webm 5.0 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/10 - Endocrine system introduction - 03 - Hormone concentration metabolism and negative feedback.webm 5.0 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/01 - Endocrine system introduction - 04 - Hormone concentration metabolism and negative feedback.webm 5.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 03 - Hormone concentration metabolism and negative feedback.webm 5.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 02 - Hormone concentration metabolism and negative feedback.webm 5.0 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 03 - Hormone concentration metabolism and negative feedback.webm 5.0 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 03 - Hormone concentration metabolism and negative feedback.webm 5.0 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 01 - Floating exchange resolving trade imbalance.webm 5.0 MB
Math by grade/06 - 5th - 02 - Fractions/03 - Adding and subtracting mixed number with unlike denominators - 03 - Adding mixed numbers with regrouping.webm 5.0 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 02 - Diagnosing depression.webm 5.0 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 02 - Diagnosing depression.webm 5.0 MB
Math by grade/07 - 6th - 09 - Data and statistics/10 - Shape of data distributions - 01 - Shapes of distributions.webm 5.0 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/01 - Displays of distributions - 04 - Shapes of distributions.webm 5.0 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/01 - Displays of distributions - 04 - Shapes of distributions.webm 5.0 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/12 - Liao Dynasty (907–1125) - 01 - Arhat (Luohan).webm 5.0 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/04 - Hyphens, dashes, and ellipses - 02 - Hyphens vs. dashes.webm 5.0 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/09 - Polynomials word problems - 04 - Polynomial word problem_ area of a window.webm 5.0 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/09 - Polynomials word problems - 04 - Polynomial word problem_ area of a window.webm 5.0 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of earth, sun, galaxy and universe - 08 - Hubble image of galaxies.webm 5.0 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/02 - Counting with permutations - 04 - Possible three letter words.webm 5.0 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/06 - Permutations - 03 - Possible three letter words.webm 5.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/03 - Irrational numbers - 01 - Intro to rational and irrational numbers.webm 5.0 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/01 - Irrational numbers - 01 - Intro to rational and irrational numbers.webm 5.0 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/01 - Irrational numbers - 01 - Intro to rational and irrational numbers.webm 5.0 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/04 - Constructing geometric sequences - 02 - Converting recursive and explicit forms of geometric sequences.webm 5.0 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/04 - Constructing geometric sequences - 02 - Converting recursive and explicit forms of geometric sequences.webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/04 - Geometric sequences - 03 - Converting recursive and explicit forms of geometric sequences.webm 5.0 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/04 - Geometric sequences - 04 - Converting recursive and explicit forms of geometric sequences.webm 5.0 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/04 - Psychotic disorders - 06 - Schizotypal personality disorder.webm 5.0 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/04 - Psychotic disorders - 06 - Schizotypal personality disorder.webm 5.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 01 - Analyzing structure word problem_ pet store (1 of 2).webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 01 - Analyzing structure word problem_ pet store (1 of 2).webm 5.0 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/09 - Order of operations - 04 - Worked example_ Order of operations (PEMDAS).webm 5.0 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/07 - Order of operations - 02 - Worked example_ Order of operations (PEMDAS).webm 5.0 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 05 - Microglia.webm 5.0 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 05 - Microglia.webm 5.0 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 04 - Microglia.webm 5.0 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 02 - Depreciating the truck.webm 5.0 MB
Test prep/05 - NCLEX-RN - 07 - Endocrine system physiology/01 - Endocrine system introduction - 07 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 5.0 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/05 - European Union - 02 - United Kingdom vs Great Britain vs England primer.webm 5.0 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 07 - Abstract Expressionism and the New York School/02 - New York School - 05 - Ad Reinhardt, Abstract Painting.webm 5.0 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 06 - 5. Animating grass.webm 5.0 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/03 - Celiac disease - 01 - What is gluten_.webm 5.0 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/03 - Celiac disease - 01 - What is gluten_.webm 5.0 MB
Math by grade/07 - 6th - 08 - Geometry/07 - Polygons on the coordinate plane - 06 - Parallelogram on the coordinate plane.webm 5.0 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 07 - Environmental justice.webm 5.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/08 - Graphs of logarithmic functions - 01 - Graphs of logarithms and exponentials.webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/08 - Graphs of logarithmic functions - 01 - Graphs of logarithms and exponentials.webm 5.0 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/09 - Pythagorean identity - 02 - Using the Pythagorean trig identity.webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/06 - The Pythagorean identity - 02 - Using the Pythagorean trig identity.webm 5.0 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/06 - The Pythagorean identity - 02 - Using the Pythagorean trig identity.webm 5.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 01 - Ancient Near East/03 - Akkadian - 02 - Cylinder seal and modern impression_ nude bearded hero wrestling with a water buffalo; bull-man wr.webm 5.0 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/14 - Constructing sinusoidal functions - 01 - Sinusoidal function from graph.webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/11 - Constructing sinusoidal functions - 01 - Sinusoidal function from graph.webm 5.0 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/06 - Constructing sinusoidal functions - 01 - Sinusoidal function from graph.webm 5.0 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 01 - Gross and operating profit.webm 5.0 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 01 - Neurotransmitter release.webm 5.0 MB
Test prep/02 - MCAT - 07 - Organ systems/04 - Neuronal synapses - 02 - Neurotransmitter release.webm 5.0 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/03 - Neuronal synapses - 02 - Neurotransmitter release.webm 5.0 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/03 - Rational exponents intro - 02 - Rewriting roots as rational exponents.webm 5.0 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/03 - Rational exponents intro - 02 - Rewriting roots as rational exponents.webm 5.0 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/07 - Absolute value - 01 - Absolute value as distance between numbers.webm 5.0 MB
Computing/04 - Computer animation - 12 - Crowds/02 - Counting crowds - 04 - 4. Casting problem.webm 5.0 MB
Computing/04 - Computer animation - 11 - Character modeling/02 - Mathematics of subdivision - 03 - 3. Fun with weights.webm 5.0 MB
Science & engineering/08 - Biology - 10 - Photosynthesis/01 - Intro to photosynthesis - 04 - Breaking down photosynthesis stages.webm 5.0 MB
Science & engineering/09 - AP Biology - 11 - Photosynthesis/01 - Intro to photosynthesis - 04 - Breaking down photosynthesis stages.webm 5.0 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 11 - Social facilitation and social loafing.webm 5.0 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/07 - Somatosensation - 04 - Proprioception and kinesthesia.webm 5.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/04 - Somatosensation - 04 - Proprioception and kinesthesia.webm 5.0 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/12 - Practice dividing polynomials with remainders - 03 - Dividing polynomials with remainders.webm 5.0 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/05 - Practice dividing polynomials with remainders - 03 - Dividing polynomials with remainders.webm 5.0 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/07 - Dividing decimals - 03 - Multi-digit division strategies for decimals.webm 5.0 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 07 - Solubility and the pH of the solution.webm 5.0 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 07 - Solubility and the pH of the solution.webm 5.0 MB
Test prep/02 - MCAT - 09 - Chemical processes/03 - Solubility equilibria - 06 - Solubility and the pH of the solution.webm 5.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/10 - Lung cancer - 05 - Lung cancer metastasis.webm 4.9 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 05 - Lung cancer metastasis.webm 4.9 MB
Computing/04 - Computer animation - 12 - Crowds/02 - Counting crowds - 06 - 6. Binomial coefficient.webm 4.9 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/07 - Intro to inequalities with variables - 01 - Testing solutions to inequalities.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/01 - Introduction to inequalities with variables - 01 - Testing solutions to inequalities.webm 4.9 MB
Computing/04 - Computer animation - 03 - Simulation/02 - Code your own simulation - 04 - 2D spring-mass system.webm 4.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/03 - Coin detector - 03 - Rotation sensor.webm 4.9 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/03 - Strategies for adding 2- and 3-digit numbers - 01 - Breaking apart 3-digit addition problems.webm 4.9 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/01 - Strategies for adding two and three-digit numbers - 01 - Breaking apart 3-digit addition problems.webm 4.9 MB
Computing/04 - Computer animation - 14 - Rendering/01 - Rendering 101 - 04 - 3. Light rays.webm 4.9 MB
Math by grade/07 - 6th - 09 - Data and statistics/05 - Mean and median challenge problems - 01 - Missing value when the mean is given.webm 4.9 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/02 - Summarizing center of distributions (central tendency) - 03 - Missing value when the mean is given.webm 4.9 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/02 - Summarizing center of distributions (central tendency) - 03 - Missing value when the mean is given.webm 4.9 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/09 - Properties of tangents - 03 - Tangents of circles problem (example 1).webm 4.9 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/09 - Properties of tangents - 03 - Tangents of circles problem (example 1).webm 4.9 MB
Math by grade/06 - 5th - 02 - Fractions/02 - Adding and subtracting fractions with unlike denominators - 04 - Solving for the missing fraction.webm 4.9 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/03 - Relating multiplication and division - 05 - Division word problem_ blueberries.webm 4.9 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/03 - Life insurance - 01 - Term life insurance and death probability.webm 4.9 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/01 - Intro to dimensional analysis - 01 - Intro to dimensional analysis.webm 4.9 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 18 - Option expiration and price.webm 4.9 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/01 - Dot structures - 02 - Dot structures II_ Multiple bonds.webm 4.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 08 - Social perception - The Halo Effect.webm 4.9 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/06 - Interest rate swaps - 02 - Interest rate swap 2.webm 4.9 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/03 - Understanding multiplying and dividing fractions - 03 - Expressions with rational numbers.webm 4.9 MB
Arts and humanities/04 - Art history/13 - Art of Africa - 03 - West Africa/06 - Mali - 01 - Seated Figure (Djenné peoples).webm 4.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 04 - Solutions to systems of equations_ dependent vs. independent.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 04 - Solutions to systems of equations_ dependent vs. independent.webm 4.9 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/03 - Dimensional analysis for proportional reasoning - 01 - Worked example_ Rate problem.webm 4.9 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/02 - Attention and language - 03 - Theories of language and cognition.webm 4.9 MB
Test prep/02 - MCAT - 10 - Processing the environment/11 - Language - 02 - Theories of language and cognition.webm 4.9 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/04 - Horizontal and vertical lines - 02 - Horizontal and vertical lines.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/04 - Horizontal and vertical lines - 02 - Horizontal and vertical lines.webm 4.9 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/05 - Adding and subtracting negative fractions - 01 - Adding fractions with different signs.webm 4.9 MB
Math by grade/10 - High school/03 - Mathematics III - 10 - Binomial probability/01 - Binomial probability - 04 - Graphing basketball binomial distribution.webm 4.9 MB
Math by grade/10 - High school/07 - High school statistics - 06 - Binomial probability/01 - Binomial probability - 04 - Graphing basketball binomial distribution.webm 4.9 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/04 - Ptolemaic - 02 - Ancient Egyptian coffin prepared for the Book of the Dead exhibition at the British Museum.webm 4.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/05 - Solving systems with substitution - 04 - Systems of equations with substitution_ 9x+3y=15 and y-x=5.webm 4.9 MB
Science & engineering/08 - Biology - 03 - Water, acids, and bases/03 - Temperature and state changes in water - 01 - LeBron Asks_ Why does sweating cool you down_.webm 4.9 MB
Science & engineering/09 - AP Biology - 04 - Water, acids, and bases/03 - Temperature and state changes in water - 01 - LeBron Asks_ Why does sweating cool you down_.webm 4.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 06 - LeBron Asks_ Why does sweating cool you down_.webm 4.9 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 06 - LeBron Asks_ Why does sweating cool you down_.webm 4.9 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 06 - LeBron Asks_ Why does sweating cool you down_.webm 4.9 MB
Math by grade/09 - 8th - 01 - Numbers and operations/05 - Exponent properties intro - 02 - Exponent properties with parentheses.webm 4.9 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 01 - Macrosociology vs microsociology.webm 4.9 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/08 - Point-slope form - 01 - Intro to point-slope form.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/08 - Point-slope form - 01 - Intro to point-slope form.webm 4.9 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/07 - Absolute value - 03 - Justification for _a - b_ = _b - a_.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 02 - Solving two-variable inequalities word problem.webm 4.9 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/05 - Picture graphs - 04 - Interpreting picture graphs_ notebook.webm 4.9 MB
Science & engineering/10 - Health and medicine - 08 - Advanced endocrine system physiology/02 - Biological basis of behavior_ Endocrine system - 02 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 4.9 MB
Test prep/02 - MCAT - 05 - Biomolecules/17 - Endocrine system - 07 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 4.9 MB
Test prep/02 - MCAT - 07 - Organ systems/06 - Endocrine system - 07 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 4.9 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 03 - Components of GDP.webm 4.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/11 - Integumentary system introduction - 01 - Meet the skin! (Overview).webm 4.9 MB
Test prep/02 - MCAT - 07 - Organ systems/17 - Integumentary system - 01 - Meet the skin! (Overview).webm 4.9 MB
Test prep/05 - NCLEX-RN - 18 - Integumentary system physiology/01 - Integumentary system - 01 - Meet the skin! (Overview).webm 4.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 13 - Organizations and bureaucratization.webm 4.9 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/02 - Problem solving with distance on the coordinate plane - 02 - Points inside_outside_on a circle.webm 4.9 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/02 - Solving quadratics by factoring - 01 - Solving quadratics by factoring.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/05 - Solving quadratics by factoring - 01 - Solving quadratics by factoring.webm 4.9 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/02 - Depression and related disorders - 03 - Introduction to psychology - Depression and bipolar disorder.webm 4.9 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/02 - Depression and related disorders - 03 - Introduction to psychology - Depression and bipolar disorder.webm 4.9 MB
Science & engineering/07 - Organic chemistry - 11 - Carboxylic acids and derivatives/01 - Naming carboxylic acids - 02 - Carboxylic acid naming.webm 4.9 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/01 - Cash versus accrual accounting - 01 - Cash accounting.webm 4.9 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/09 - Pythagorean identity - 01 - Proof of the Pythagorean trig identity.webm 4.9 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/06 - The Pythagorean identity - 01 - Proof of the Pythagorean trig identity.webm 4.9 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/06 - The Pythagorean identity - 01 - Proof of the Pythagorean trig identity.webm 4.9 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/01 - Naming alkenes - 03 - Entgegen-Zusammen naming scheme for alkenes examples.webm 4.9 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 03 - Using the logarithmic product rule.webm 4.9 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 03 - Using the logarithmic product rule.webm 4.9 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 04 - Japan/07 - Edo period (1615–1868) - 06 - The actor Ichikawa Danzo IV in a Shibaraku role.webm 4.9 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/04 - Interpreting function notation - 01 - Function notation word problem_ bank.webm 4.9 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/04 - Interpreting function notation - 01 - Function notation word problem_ bank.webm 4.9 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/01 - Introduction to logarithms - 05 - Relationship between exponentials and logarithms_ tables.webm 4.8 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/01 - Introduction to logarithms - 05 - Relationship between exponentials and logarithms_ tables.webm 4.8 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/03 - Neuron membrane potentials - 08 - Action potential patterns.webm 4.8 MB
Test prep/02 - MCAT - 07 - Organ systems/03 - Neuron membrane potentials - 08 - Action potential patterns.webm 4.8 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/02 - Neuron membrane potentials - 08 - Action potential patterns.webm 4.8 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 02 - Romanticism/02 - France - 03 - Ingres, Princesse de Broglie.webm 4.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 15 - Lower bound on forward settlement price.webm 4.8 MB
Math by grade/08 - 7th - 06 - Geometry/07 - Scale drawings - 02 - Solving a scale drawing word problem.webm 4.8 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 07 - U.S. customary and metric units.webm 4.8 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/02 - Attention and language - 02 - Theories of selective attention.webm 4.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/08 - Attention - 02 - Theories of selective attention.webm 4.8 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 02 - Learn how a stethoscope can help determine blood pressure.webm 4.8 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 02 - Learn how a stethoscope can help determine blood pressure.webm 4.8 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/05 - Introduction to the possessive - 03 - Advanced (plural) possession.webm 4.8 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 09 - Carry trade basics.webm 4.8 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 09 - Example_Lottery probability.webm 4.8 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/06 - Writing basic algebraic expressions word problems - 02 - Writing expressions word problems.webm 4.8 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/08 - Multiplying binomials by polynomials - 03 - Multiplying binomials by polynomials challenge.webm 4.8 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/08 - Multiplying binomials by polynomials - 03 - Multiplying binomials by polynomials challenge.webm 4.8 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 10 - Standard cell potential and the equilibrium constant.webm 4.8 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 02 - Organic acid-base mechanisms.webm 4.8 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 09 - Analyzing structure with linear inequalities_ fruits.webm 4.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 04 - Subtracting rational expressions_ unlike denominators.webm 4.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 04 - Subtracting rational expressions_ unlike denominators.webm 4.8 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/06 - More with 1-digit multiplication and division - 01 - Unknowns with multiplication and division.webm 4.8 MB
Math by grade/05 - 4th - 02 - Multiplication and division/01 - Multiplication by 10s, 100s, and 1000s - 03 - Multiplying 10s.webm 4.8 MB
Math by grade/05 - 4th - 03 - Fractions/13 - Fractions with denominators of 10 and 100 - 02 - Decomposing hundredths.webm 4.8 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/12 - Average rate of change word problems - 01 - Average rate of change word problem_ table.webm 4.8 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/12 - Average rate of change word problems - 01 - Average rate of change word problem_ table.webm 4.8 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 03 - Practice determining oxidation states.webm 4.8 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 03 - Practice determining oxidation states.webm 4.8 MB
Test prep/02 - MCAT - 12 - Individuals and society/07 - Biological explanations of social behavior in animals - 05 - Evolutionary game theory.webm 4.8 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 07 - The yield curve.webm 4.8 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/08 - Factoring quadratics_ Difference of squares - 01 - Difference of squares intro.webm 4.8 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/01 - Law of sines - 02 - Solving for an angle with the law of sines.webm 4.8 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/10 - Law of sines - 02 - Solving for an angle with the law of sines.webm 4.8 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/01 - The law of sines - 02 - Solving for an angle with the law of sines.webm 4.8 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 04 - Alternative minimum tax.webm 4.8 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/02 - End behavior and graphs of basic exponential functions - 02 - Graphing exponential growth and decay.webm 4.8 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/05 - Exponential decay - 02 - Graphing exponential growth and decay.webm 4.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/05 - Nested fractions - 01 - Nested fractions.webm 4.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/04 - Nested fractions - 01 - Nested fractions.webm 4.8 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/02 - UV_Vis Spectroscopy - 02 - Absorption in the visible region.webm 4.8 MB
Test prep/02 - MCAT - 08 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 11 - Absorption in the visible region.webm 4.8 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/01 - Intro to dimensional analysis - 03 - Interpreting units in formulas_ novel units.webm 4.8 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/07 - Addition within 100 - 02 - Adding with regrouping.webm 4.8 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/07 - Finding inverse functions - 04 - Finding inverse functions_ radical.webm 4.8 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/07 - Finding inverse functions - 04 - Finding inverse functions_ radical.webm 4.8 MB
Test prep/02 - MCAT - 09 - Chemical processes/10 - Proteins - 02 - Alpha amino acid synthesis.webm 4.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/14 - Comparing area and perimeter - 01 - Comparing areas and perimeters of rectangles.webm 4.8 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 10 - Discrimination individual vs institutional.webm 4.8 MB
Test prep/02 - MCAT - 12 - Individuals and society/08 - Discrimination - 01 - Discrimination individual vs institutional.webm 4.8 MB
Math by grade/05 - 4th - 03 - Fractions/02 - Common denominators - 03 - Common denominators_ 3_5 and 7_2.webm 4.8 MB
Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 01 - Investment and real interest rates.webm 4.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/09 - Area formula intuition - 01 - Counting unit squares to find area formula.webm 4.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/10 - Multiply to find area - 01 - Counting unit squares to find area formula.webm 4.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 07 - Richard Serra, 'Band,' 2006.webm 4.8 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/01 - Solving equations by graphing - 04 - Solving equations graphically (2 of 2).webm 4.8 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/01 - Solving equations by graphing - 04 - Solving equations graphically (2 of 2).webm 4.8 MB
Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 02 - Consumer surplus introduction.webm 4.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/15 - Ming dynasty (1368–1644) - 03 - Congyi, Cloudy Mountains.webm 4.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/05 - Bali - 05 - Repairing sacred Balinese masks.webm 4.8 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/03 - Subtracting decimals - 04 - More advanced subtraction strategies with hundredths.webm 4.8 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/10 - Interpreting features of graphs - 01 - Graph interpretation word problem_ temperature.webm 4.8 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/10 - Interpreting features of graphs - 01 - Graph interpretation word problem_ temperature.webm 4.8 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 03 - Einsenmenger coarctation of aorta.webm 4.8 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 03 - Einsenmenger coarctation of aorta.webm 4.8 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/03 - Number of solutions to equations - 01 - Number of solutions to equations.webm 4.8 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/03 - Analyzing the number of solutions to linear equations - 01 - Number of solutions to equations.webm 4.8 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/09 - Analyzing the number of solutions to linear equations - 01 - Number of solutions to equations.webm 4.8 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/02 - Numbers 0 to 100 - 01 - Number grid.webm 4.8 MB
Math by grade/02 - 1st - 01 - Place value/01 - Numbers 0 to 120 - 01 - Number grid.webm 4.8 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/04 - Equal sign - 01 - Equal sign.webm 4.8 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 05 - Bernoulli's equation (part 4).webm 4.8 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 05 - Bernoulli's equation (part 4).webm 4.8 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 05 - Bernoulli's equation (part 4).webm 4.8 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/01 - Introduction to exponential growth and decay - 04 - Writing exponential functions from tables.webm 4.7 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 02 - Writing exponential functions from tables.webm 4.7 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/03 - More ways to use commas - 04 - BONUS_ The Oxford comma.webm 4.7 MB
Math by grade/08 - 7th - 07 - Statistics and probability/03 - Compound events and sample spaces - 02 - Die rolling probability.webm 4.7 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/03 - Compound probability of independent events using diagrams - 01 - Die rolling probability.webm 4.7 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/07 - Special products of binomials - 01 - Special products of the form (x+a)(x-a).webm 4.7 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/07 - Special products of binomials - 01 - Special products of the form (x+a)(x-a).webm 4.7 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/09 - Word problems within 100 - 01 - Adding and subtracting on number line word problems.webm 4.7 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/02 - Cambodia - 02 - The Hindu deities Shiva and Parvati.webm 4.7 MB
Computing/01 - Computer programming - 02 - Intro to HTML_CSS_ Making webpages/06 - CSS layout - 01 - CSS in the wild_ Google Maps.webm 4.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 07 - Contango from trader perspective.webm 4.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/04 - Slope - 05 - Slope of a horizontal line.webm 4.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/04 - Horizontal and vertical lines - 01 - Slope of a horizontal line.webm 4.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/04 - Horizontal and vertical lines - 01 - Slope of a horizontal line.webm 4.7 MB
Math by grade/08 - 7th - 06 - Geometry/08 - Volume problems - 02 - Volume of triangular prism and cube.webm 4.7 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/01 - Solid geometry intro - 01 - Volume of triangular prism and cube.webm 4.7 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/01 - Solid geometry intro - 01 - Volume of triangular prism and cube.webm 4.7 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 01 - What is cryptography_.webm 4.7 MB
Math by grade/09 - 8th - 01 - Numbers and operations/04 - Approximating irrational numbers - 01 - Approximating square roots.webm 4.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 08 - Pop/01 - Pop - 02 - Warhol, Gold Marilyn Monroe.webm 4.7 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 04 - Persuasion, attitude change, and the elaboration likelihood model.webm 4.7 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 01 - Introduction to parabolic arcs.webm 4.7 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/07 - Intro to inequalities with variables - 02 - Plotting inequalities.webm 4.7 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/01 - Introduction to inequalities with variables - 02 - Plotting inequalities.webm 4.7 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 09 - Physical development in adolescence.webm 4.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/02 - Solutions to linear equations - 04 - Graphing a linear equation_ 5x+2y=20.webm 4.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/09 - Standard form - 02 - Graphing a linear equation_ 5x+2y=20.webm 4.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/09 - Standard form - 02 - Graphing a linear equation_ 5x+2y=20.webm 4.7 MB
Computing/04 - Computer animation - 04 - Color Science/02 - Color spaces - 04 - Introduction to Gamuts.webm 4.7 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/04 - Stretching functions - 02 - Compressing functions.webm 4.7 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/04 - Stretching functions - 02 - Compressing functions.webm 4.7 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/07 - Dividing decimals - 04 - Strategies for dividing by tenths.webm 4.7 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/15 - Perimeter word problems - 01 - Perimeter word problem_ tables.webm 4.7 MB
Math by grade/05 - 4th - 03 - Fractions/05 - Decomposing fractions - 02 - Decomposing a mixed number.webm 4.7 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/02 - Predynastic and Old Kingdom - 01 - Old Kingdom_ Seated Scribe.webm 4.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 07 - Subtracting rational expressions_ factored denominators.webm 4.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 07 - Subtracting rational expressions_ factored denominators.webm 4.7 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 02 - Instincts, Arousal, Needs, Drives_ Drive-Reduction and Cognitive Theories.webm 4.7 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/08 - Exponents - 02 - The zeroth power.webm 4.7 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/05 - Adding and subtracting matrices - 01 - Adding and subtracting matrices.webm 4.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 10 - Floating exchange effect on US.webm 4.7 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/07 - Mergers and acquisitions - 01 - Acquisitions with shares.webm 4.7 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/07 - Factoring polynomials with quadratic forms - 03 - Factoring two-variable quadratics.webm 4.7 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 07 - Factoring two-variable quadratics.webm 4.7 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 03 - Electrodes and voltage of Galvanic cell.webm 4.7 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/02 - Galvanic cells - 03 - Electrodes and voltage of Galvanic cell.webm 4.7 MB
Test prep/02 - MCAT - 08 - Physical processes/17 - Electrochemistry - 03 - Electrodes and voltage of Galvanic cell.webm 4.7 MB
Science & engineering/05 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 06 - Elementary rate laws.webm 4.7 MB
Science & engineering/06 - AP Chemistry - 09 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 06 - Elementary rate laws.webm 4.7 MB
Test prep/02 - MCAT - 09 - Chemical processes/18 - Kinetics - 17 - Elementary rate laws.webm 4.7 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/09 - Trigonometric ratios and similarity - 02 - Trig challenge problem_ verify identities.webm 4.7 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/08 - Trigonometric ratios and similarity - 02 - Trig challenge problem_ verify identities.webm 4.7 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/05 - Trigonometric ratios and similarity - 02 - Trig challenge problem_ verify identities.webm 4.7 MB
Math by grade/05 - 4th - 06 - Geometry/11 - Classifying geometric shapes - 03 - Classifying shapes by lines and angles.webm 4.7 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/08 - Factoring quadratics_ Difference of squares - 05 - Factoring difference of squares_ shared factors.webm 4.7 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 03 - Market capitalization.webm 4.7 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/05 - Equations of proportional relationships - 01 - Equations for proportional relationships.webm 4.7 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/02 - Introduction to adverbs - 02 - Relative adverbs.webm 4.7 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 06 - Art Terms in Action_ Viscosity.webm 4.7 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/06 - Addition and subtraction word problems with negatives - 01 - Interpreting negative number statements.webm 4.7 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 07 - Tricuspid atresia.webm 4.7 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 07 - Tricuspid atresia.webm 4.7 MB
Math by grade/02 - 1st - 01 - Place value/02 - Ones and tens - 01 - Intro to place value.webm 4.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/02 - Other fronts of World War I - 03 - Italy backs out of Triple Alliance.webm 4.7 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/02 - Solving quadratics by factoring - 02 - Solving quadratics by factoring_ leading coefficient ≠ 1.webm 4.7 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/05 - Solving quadratics by factoring - 02 - Solving quadratics by factoring_ leading coefficient ≠ 1.webm 4.7 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 01 - Capital by Thomas Piketty.webm 4.7 MB
Test prep/02 - MCAT - 13 - Society and culture/02 - Demographics - 03 - Demographic structure of society - immigration.webm 4.7 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/08 - Multiplying matrices by matrices - 01 - Intro to matrix multiplication.webm 4.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 17 - Arbitraging futures contracts II.webm 4.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/10 - Introduction to amplitude, midline, and extrema of sinusoidal functions - 01 - Features of sinusoidal functions.webm 4.7 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/07 - Introduction to amplitude, midline, and extrema of sinusoidal functions - 01 - Features of sinusoidal functions.webm 4.7 MB
Math by grade/10 - High school/08 - Trigonometry - 04 - Graphs of trigonometric functions/02 - Introduction to amplitude, midline, and extrema of sinusoidal functions - 01 - Features of sinusoidal functions.webm 4.7 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 02 - Early abstraction_ Fauvism, Expressionism and Cubism/01 - Fauvism and Matisse - 05 - Matisse, The illustrated book, “Jazz”.webm 4.7 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 03 - Polyalphabetic cipher.webm 4.7 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 06 - Rational number word problem_ stock.webm 4.7 MB
Math by grade/06 - 5th - 02 - Fractions/02 - Adding and subtracting fractions with unlike denominators - 03 - Adding and subtracting 3 fractions.webm 4.7 MB
Computing/04 - Computer animation - 05 - Virtual cameras/02 - Mathematics of depth of field - 02 - Thin lens approximation.webm 4.7 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/03 - Math patterns - 01 - Factors and multiples_ days of the week.webm 4.6 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/01 - Introduction to the atom - 04 - Worked example_ Atomic weight calculation.webm 4.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/09 - Systems of quadratic equations - 01 - Quadratic systems_ graphical solution.webm 4.6 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/02 - Systems of quadratic equations - 01 - Quadratic systems_ graphical solution.webm 4.6 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/02 - Systems of quadratic equations - 01 - Quadratic systems_ graphical solution.webm 4.6 MB
Math by grade/09 - 8th - 06 - Data and modeling/04 - Two-way tables - 02 - Two-way relative frequency tables.webm 4.6 MB
Math by grade/10 - High school/01 - Mathematics I - 10 - Two-way tables/02 - Two-way relative frequency tables - 01 - Two-way relative frequency tables.webm 4.6 MB
Math by grade/10 - High school/07 - High school statistics - 03 - Two-way tables/02 - Two-way relative frequency tables - 01 - Two-way relative frequency tables.webm 4.6 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/09 - Projectile launcher - 01 - Ping pong ball launcher introduction.webm 4.6 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 04 - Systems of equations with elimination_ 2x-y=14 and -6x+3y=-42.webm 4.6 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 01 - Classical conditioning_ Neutral, conditioned, and unconditioned stimuli and responses.webm 4.6 MB
Arts and humanities/04 - Art history/08 - Art of the Americas to World War I - 02 - N. America before European colonization/05 - Olmec - 02 - Mask.webm 4.6 MB
Math by grade/10 - High school/02 - Mathematics II - 07 - Exponential growth and decay/02 - Exponential equations_ properties of exponents - 01 - Solving exponential equations using exponent properties.webm 4.6 MB
Math by grade/10 - High school/06 - Algebra II - 07 - Exponential growth and decay/02 - Solving exponential equations using properties of exponents - 01 - Solving exponential equations using exponent properties.webm 4.6 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/06 - Coordinate plane proofs - 01 - Classifying quadrilaterals on the coordinate plane.webm 4.6 MB
Math by grade/05 - 4th - 06 - Geometry/10 - Classifying triangles - 01 - Classifying triangles.webm 4.6 MB
Math by grade/05 - 4th - 05 - Measurement and data/07 - Converting units of length - 03 - Converting yards into inches.webm 4.6 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/09 - Polynomials word problems - 02 - Polynomial word problem_ rectangle and circle area.webm 4.6 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/09 - Polynomials word problems - 02 - Polynomial word problem_ rectangle and circle area.webm 4.6 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/05 - Exponents with negative bases - 04 - 1 and -1 to different powers.webm 4.6 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/03 - Dividing line segments - 02 - Dividing line segments.webm 4.6 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/01 - What are the imaginary numbers_ - 01 - Intro to the imaginary numbers.webm 4.6 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/01 - What are the imaginary numbers_ - 01 - Intro to the imaginary numbers.webm 4.6 MB
Math by grade/08 - 7th - 06 - Geometry/01 - Area and circumference of circles - 04 - Relating circumference and area.webm 4.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/01 - Amino acids and proteins - 01 - Central dogma of molecular biology.webm 4.6 MB
Test prep/02 - MCAT - 09 - Chemical processes/09 - Amino acids, peptides, proteins - 01 - Central dogma of molecular biology.webm 4.6 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 01 - Hedge funds intro.webm 4.6 MB
Science & engineering/01 - Physics - 12 - Circuits/01 - Ohm's law and circuits with resistors - 11 - Electrolytic conductivity.webm 4.6 MB
Science & engineering/02 - AP Physics 1 - 10 - Circuits/01 - Ohm's law and circuits with resistors - 11 - Electrolytic conductivity.webm 4.6 MB
Test prep/02 - MCAT - 08 - Physical processes/14 - Current and resistance - 06 - Electrolytic conductivity.webm 4.6 MB
Math by grade/08 - 7th - 07 - Statistics and probability/03 - Compound events and sample spaces - 03 - Probability of a compound event.webm 4.6 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 02 - Using reserves to stabilize currency.webm 4.6 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/07 - Fundamental theorem of Algebra - 01 - The Fundamental theorem of Algebra.webm 4.6 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/09 - The Fundamental Theorem of Algebra - 01 - The Fundamental theorem of Algebra.webm 4.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/04 - Dutch Republic - 05 - Rembrandt, Aristotle with a Bust of Homer.webm 4.6 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 03 - Change in expected future prices and demand.webm 4.6 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 04 - Change in expected future prices and demand.webm 4.6 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/02 - Composing functions - 03 - Evaluating composite functions_ using tables.webm 4.6 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/02 - Composing functions - 03 - Evaluating composite functions_ using tables.webm 4.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 02 - Schemas, assimilation, and accommodation.webm 4.6 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/02 - Constructing arithmetic sequences - 03 - Arithmetic sequence problem.webm 4.6 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/02 - Constructing arithmetic sequences - 03 - Arithmetic sequence problem.webm 4.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 05 - Worked example_ quadratic formula (negative coefficients).webm 4.6 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 05 - Worked example_ quadratic formula (negative coefficients).webm 4.6 MB
Math by grade/07 - 6th - 03 - Negative numbers/04 - Comparing negative numbers - 03 - Negative numbers, variables, number line.webm 4.6 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 01 - Attribution Theory - Basic covariation.webm 4.6 MB
Math by grade/05 - 4th - 03 - Fractions/02 - Common denominators - 01 - Finding common denominators.webm 4.6 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 08 - Disproportionation.webm 4.6 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 08 - Disproportionation.webm 4.6 MB
Test prep/02 - MCAT - 08 - Physical processes/30 - Redox reactions - 02 - Disproportionation.webm 4.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/06 - Quadratic standard form - 01 - Finding the vertex of a parabola in standard form.webm 4.6 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/08 - Quadratic standard form - 01 - Finding the vertex of a parabola in standard form.webm 4.6 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 01 - Linear graphs word problems.webm 4.6 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 03 - Linear graphs word problems.webm 4.6 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 03 - Linear graphs word problems.webm 4.6 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 06 - Reasoning about unknown variables.webm 4.6 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 06 - Reasoning about unknown variables.webm 4.6 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/02 - Italy - 05 - Bernini, Bust of Medusa.webm 4.6 MB
Arts and humanities/01 - World history - 06 - The 20th century/06 - Aftermath of World War I - 01 - Deaths in World War I.webm 4.6 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 02 - Income and expenditure views of GDP.webm 4.6 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/05 - Multiplying decimals - 02 - Developing strategies for multiplying decimals.webm 4.6 MB
Computing/04 - Computer animation - 06 - Effects/02 - The physics of particle systems - 05 - Particle collisions.webm 4.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 08 - Buerger disease.webm 4.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 08 - Buerger disease.webm 4.6 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 01 - Balance sheet and income statement relationship.webm 4.6 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 01 - Evaluating fractional exponents.webm 4.6 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 01 - Evaluating fractional exponents.webm 4.6 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 12 - RC step response example (3 of 3).webm 4.6 MB
Math by grade/06 - 5th - 03 - Place value and decimals/10 - Comparing decimal place values - 01 - Comparing decimal place values.webm 4.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/04 - Sensory perception - 07 - Bottom-up vs. top-down processing.webm 4.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 09 - Bottom-up vs. top-down processing.webm 4.6 MB
Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 05 - Optional calculus proof to show that MR has twice slope of demand.webm 4.6 MB
Math by grade/07 - 6th - 08 - Geometry/03 - Area of trapezoids and composite figures - 04 - Area of composite shapes.webm 4.6 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 08 - Area of composite shapes.webm 4.6 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 04 - Bonheur, Sheep in the Highlands.webm 4.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/04 - Slope - 06 - Converting to slope-intercept form.webm 4.5 MB
Science & engineering/10 - Health and medicine - 19 - Lab values and concentrations/01 - Lab values and concentrations - 09 - Molarity, molality, osmolarity, osmolality, and tonicity - what's the difference_.webm 4.5 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/03 - Understanding multiplying and dividing fractions - 02 - Simplifying tricky fractions.webm 4.5 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/02 - Respiratory system introduction - 06 - Thermoregulation in the lungs.webm 4.5 MB
Science & engineering/10 - Health and medicine - 04 - Advanced respiratory system physiology/01 - Respiratory system introduction - 06 - Thermoregulation in the lungs.webm 4.5 MB
Test prep/02 - MCAT - 07 - Organ systems/09 - Respiratory system - 09 - Thermoregulation in the lungs.webm 4.5 MB
Test prep/05 - NCLEX-RN - 04 - Respiratory system physiology/01 - Respiratory system introduction - 09 - Thermoregulation in the lungs.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/04 - Continuous compound interest and e - 02 - e as a limit.webm 4.5 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/02 - The constant e and the natural logarithm - 02 - e as a limit.webm 4.5 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/02 - The constant e and the natural logarithm - 02 - e as a limit.webm 4.5 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 02 - Egyptian art and culture/03 - Middle Kingdom and New Kingdom - 07 - Head of Tutankhamun from the Amarna Period of Egypt’s New Kingdom.webm 4.5 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 03 - Simulating water.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/01 - Mutual funds and ETFs - 01 - Open-ended mutual fund (part 1).webm 4.5 MB
Test prep/02 - MCAT - 05 - Biomolecules/09 - Chromosomal inheritance - 01 - Evidence that DNA is genetic material 1.webm 4.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 08 - Pop/01 - Pop - 03 - Oldenburg, Floor Cake.webm 4.5 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/04 - Interpreting graphs and tables of basic exponential functions - 02 - Analyzing graphs of exponential functions.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 05 - Analyzing graphs of exponential functions.webm 4.5 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 05 - Balancing another combustion reaction.webm 4.5 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/01 - Balancing chemical equations - 05 - Balancing another combustion reaction.webm 4.5 MB
Test prep/02 - MCAT - 08 - Physical processes/29 - Balancing chemical equations - 04 - Balancing another combustion reaction.webm 4.5 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/06 - Two-step equation word problems - 01 - Two-step equation word problem_ computers.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/06 - Two-step equation word problems - 01 - Two-step equation word problem_ computers.webm 4.5 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 06 - What can we learn from the Milgram experiment.webm 4.5 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/02 - Composing functions - 02 - Evaluating composite functions.webm 4.5 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/02 - Composing functions - 02 - Evaluating composite functions.webm 4.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 09 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 01 - Donald Judd, Untitled.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 06 - Data on Chinese foreign assets increase in 2010.webm 4.5 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 08 - Art Terms in Action_ Enamel.webm 4.5 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/01 - Multiply and divide negative numbers - 01 - Multiplying positive and negative numbers.webm 4.5 MB
Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 04 - Constant unit elasticity.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 25 - LIBOR.webm 4.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 14 - Characteristics of an ideal bureaucracy.webm 4.5 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/01 - Introduction to sentences - 02 - Three types of sentence.webm 4.5 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/09 - Determining whether a function is invertible - 01 - Determining if a function is invertible.webm 4.5 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/09 - Determining whether a function is invertible - 01 - Determining if a function is invertible.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 17 - Actual option quotes.webm 4.5 MB
Math by grade/08 - 7th - 06 - Geometry/05 - Constructing triangles - 03 - Triangle inequality theorem.webm 4.5 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 08 - Triangle inequality theorem.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 05 - Financial weapons of mass destruction.webm 4.5 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 02 - Accreting mass due to gravity simulation.webm 4.5 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 03 - Age word problem_ Arman and Diya.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 03 - Age word problem_ Arman and Diya.webm 4.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 03 - Recognizing functions from graph.webm 4.5 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/07 - Recognizing functions - 01 - Recognizing functions from graph.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/07 - Recognizing functions - 01 - Recognizing functions from graph.webm 4.5 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 11 - Give Spout some grippy feet.webm 4.5 MB
Math by grade/04 - 3rd - 03 - Fractions/05 - Equivalent fractions - 02 - Equivalent fraction models.webm 4.5 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 01 - Baroque art/06 - France - 01 - Nicolas Poussin, Et in Arcadia Ego.webm 4.5 MB
Computing/01 - Computer programming - 06 - HTML_JS_ Making webpages interactive/02 - JS and the DOM - 01 - Debugging webpages with the browser console.webm 4.5 MB
Computing/01 - Computer programming - 07 - HTML_JS_ Making webpages interactive with jQuery/02 - DOM access with jQuery - 01 - Debugging webpages with the browser console.webm 4.5 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 01 - Magritte, The Treachery of Images (Ceci n’est pas un.webm 4.5 MB
Math by grade/09 - 8th - 05 - Geometry/07 - Volume - 03 - Volume of a cone.webm 4.5 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/01 - Solid geometry intro - 02 - Volume of a cone.webm 4.5 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/01 - Solid geometry intro - 02 - Volume of a cone.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 05 - Treasury bond prices and yields.webm 4.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 06 - Comparing linear functions word problem_ climb.webm 4.5 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/02 - Comparing linear functions - 04 - Comparing linear functions word problem_ climb.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/02 - Comparing linear functions - 04 - Comparing linear functions word problem_ climb.webm 4.5 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/01 - Combining like terms - 04 - Simplifying expressions with rational numbers.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/07 - Combining like terms - 04 - Simplifying expressions with rational numbers.webm 4.5 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 14 - Upper bound on forward settlement price.webm 4.5 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/03 - Quadratic equations_ completing the square - 05 - Solving quadratics by completing the square_ no solution.webm 4.5 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/06 - Completing the square - 06 - Solving quadratics by completing the square_ no solution.webm 4.5 MB
Science & engineering/07 - Organic chemistry - 01 - Structure and bonding/02 - Hybridization - 08 - Tetrahedral bond angle proof.webm 4.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 09 - Cognitive dissonance.webm 4.5 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 09 - Cognitive dissonance.webm 4.5 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/01 - Introduction to prepositions - 01 - Meet the preposition.webm 4.5 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 03 - Maslow's hierarchy of needs.webm 4.4 MB
Test prep/02 - MCAT - 11 - Behavior/03 - Behavior and genetics - 05 - Gene environment interaction.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/05 - Center and radii of an ellipse - 02 - Ellipse standard equation from graph.webm 4.4 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/08 - One and two-step word problems - 02 - 2-step word problem_ truffles.webm 4.4 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/03 - Adjective order and commas with adjectives - 02 - Commas and Adjectives.webm 4.4 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 09 - Art Terms in Action_ Emulsion.webm 4.4 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/07 - Dividing fractions by fractions - 01 - Understanding division of fractions.webm 4.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 08 - Tolerance and withdrawal.webm 4.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 08 - Tolerance and withdrawal.webm 4.4 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 14 - Tolerance and withdrawal.webm 4.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 08 - Tolerance and withdrawal.webm 4.4 MB
Math by grade/06 - 5th - 02 - Fractions/02 - Adding and subtracting fractions with unlike denominators - 02 - Subtracting fractions with unlike denominators.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/08 - Distance and midpoint of complex numbers - 01 - Distance and midpoint of complex numbers.webm 4.4 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 02 - Using the quadratic formula.webm 4.4 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 02 - Using the quadratic formula.webm 4.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/12 - Overview of metabolism - 08 - ATP hydrolysis mechanism.webm 4.4 MB
Math by grade/05 - 4th - 03 - Fractions/04 - Comparing fractions with unlike denominators - 01 - Comparing fractions 1 (unlike denominators).webm 4.4 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/01 - Transformations and congruence - 04 - Determining mappings (incl. dilations).webm 4.4 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/03 - Math patterns - 03 - Math patterns_ toothpicks.webm 4.4 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 05 - Naming cubane.webm 4.4 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/02 - Naming alkanes, cycloalkanes, and bicyclic compounds - 05 - Naming cubane.webm 4.4 MB
Math by grade/06 - 5th - 04 - Measurement and data/02 - Finding volume - 03 - Volume through decomposition.webm 4.4 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 01 - Expensing a truck leads to inconsistent performance.webm 4.4 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/03 - Sleep and consciousness - 04 - Sleep disorders.webm 4.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 05 - Sleep disorders.webm 4.4 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 10 - Sleep disorders.webm 4.4 MB
Math by grade/06 - 5th - 02 - Fractions/10 - Multiplying fractions word problems - 03 - Multiplying fractions word problem_ bike.webm 4.4 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/03 - Factoring polynomials by taking common factors - 03 - Factoring polynomials_ common factor.webm 4.4 MB
Math by grade/05 - 4th - 03 - Fractions/07 - Adding and subtracting fractions_ word problems - 01 - Fraction word problem_ pizza.webm 4.4 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/09 - Word problems within 100 - 03 - Addition word problem_ horses.webm 4.4 MB
Math by grade/05 - 4th - 08 - Place value and rounding/03 - Ways to write whole numbers (expanded form and written form) - 01 - Writing a number in expanded form.webm 4.4 MB
Math by grade/09 - 8th - 01 - Numbers and operations/10 - Arithmetic with numbers in scientific notation - 04 - Simplifying in scientific notation challenge.webm 4.4 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 05 - Adding units of volume.webm 4.4 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/06 - Multi-digit division - 02 - Introduction to dividing by 2-digits.webm 4.4 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 02 - Factoring perfect squares.webm 4.4 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/04 - Factoring polynomials - Special product forms - 04 - Factoring perfect squares.webm 4.4 MB
Test prep/02 - MCAT - 11 - Behavior/07 - Social psychology - 12 - Agents of socialization.webm 4.4 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/09 - The reciprocal trigonometric ratios - 01 - Finding reciprocal trig ratios.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/06 - Permutations - 04 - Zero factorial or0!.webm 4.4 MB
Test prep/02 - MCAT - 05 - Biomolecules/18 - Hormonal regulation - 10 - Hormone control of hunger.webm 4.4 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/02 - Solving basic sinusoidal equations - 02 - Solving cos(θ)=1 and cos(θ)=-1.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/02 - Solving basic sinusoidal equations - 02 - Solving cos(θ)=1 and cos(θ)=-1.webm 4.4 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/09 - Intro to addition with 2-digit numbers - 04 - Regrouping to add 1-digit number.webm 4.4 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/04 - Intro to addition with 2-digit numbers - 04 - Regrouping to add 1-digit number.webm 4.4 MB
Science & engineering/05 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 03 - Mini-video on ion size.webm 4.4 MB
Science & engineering/06 - AP Chemistry - 05 - Periodic table/02 - Periodic table trends - 03 - Mini-video on ion size.webm 4.4 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 03 - Cis-trans isomerism.webm 4.4 MB
Test prep/02 - MCAT - 09 - Chemical processes/05 - Stereochemistry - 09 - Cis-trans isomerism.webm 4.4 MB
Math by grade/07 - 6th - 08 - Geometry/07 - Polygons on the coordinate plane - 04 - Dimensions of a rectangle from coordinates.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/08 - Multiplying matrices by matrices - 02 - Multiplying matrices.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/08 - Multiplying matrices by matrices - 03 - Multiplying matrices.webm 4.4 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 01 - Overview of social inequality.webm 4.4 MB
Math by grade/05 - 4th - 02 - Multiplication and division/02 - Multi-digit multiplication_ place value and area models - 04 - Multiplying with area model_ 78 x 65.webm 4.4 MB
Computing/04 - Computer animation - 14 - Rendering/01 - Rendering 101 - 05 - 4. Rendering Mike Wazowski.webm 4.4 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 04 - Using the logarithmic power rule.webm 4.4 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 04 - Using the logarithmic power rule.webm 4.4 MB
Math by grade/06 - 5th - 03 - Place value and decimals/05 - Rounding decimals - 02 - Rounding decimals word problems.webm 4.4 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/06 - Addition and subtraction word problems with negatives - 03 - Negative number word problem_ Alaska.webm 4.4 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/06 - Complex conjugates and dividing complex numbers - 03 - Dividing complex numbers.webm 4.4 MB
Math by grade/06 - 5th - 03 - Place value and decimals/09 - Multiplying and dividing with powers of 10 - 05 - Fractions as division by power of 10.webm 4.4 MB
Science & engineering/01 - Physics - 15 - Geometric optics/02 - Mirrors - 04 - Convex parabolic mirrors.webm 4.4 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/02 - Mirrors - 04 - Convex parabolic mirrors.webm 4.4 MB
Test prep/02 - MCAT - 08 - Physical processes/23 - Spherical mirrors - 04 - Convex parabolic mirrors.webm 4.4 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/02 - Types of nouns - 02 - Concrete and abstract nouns.webm 4.4 MB
Math by grade/06 - 5th - 03 - Place value and decimals/04 - Comparing decimals - 05 - Comparing decimals word problems.webm 4.4 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/08 - Maximum and minimum points - 01 - Introduction to minimum and maximum points.webm 4.4 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/08 - Maximum and minimum points - 01 - Introduction to minimum and maximum points.webm 4.4 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/02 - Equations with parentheses - 01 - Equations with parentheses.webm 4.4 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/02 - Linear equations with parentheses - 01 - Equations with parentheses.webm 4.4 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/08 - Linear equations with parentheses - 01 - Equations with parentheses.webm 4.4 MB
Arts and humanities/01 - World history - 06 - The 20th century/02 - Other fronts of World War I - 05 - Japan in World War I.webm 4.4 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 12 - Stabilization of a conjugate base_ solvation.webm 4.4 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/03 - Measuring magnetic fields - 04 - Inverse cube law (method of oscillation).webm 4.3 MB
Arts and humanities/01 - World history - 06 - The 20th century/08 - Rise of Hitler and the Nazis - 04 - Night of the Long Knives.webm 4.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 12 - Manet, Plum Brandy.webm 4.3 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/03 - Introduction to geometric sequences - 04 - Using recursive formulas of geometric sequences.webm 4.3 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/03 - Introduction to geometric sequences - 04 - Using recursive formulas of geometric sequences.webm 4.3 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/07 - Properties and definitions of transformations - 01 - Identifying type of transformation.webm 4.3 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/07 - Properties and definitions of transformations - 01 - Identifying type of transformation.webm 4.3 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 02 - Balancing chemical equations.webm 4.3 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/01 - Balancing chemical equations - 02 - Balancing chemical equations.webm 4.3 MB
Test prep/02 - MCAT - 08 - Physical processes/29 - Balancing chemical equations - 01 - Balancing chemical equations.webm 4.3 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/01 - Introduction to commas - 02 - Meet the Comma.webm 4.3 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 05 - Non-coding RNA (ncRNA).webm 4.3 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 03 - Khnopff, Jeanne Kéfer.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/05 - Investment and consumption - 08 - Back-of-envelope office space conundrum.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/04 - Collateralized debt obligations - 01 - Collateralized debt obligation overview.webm 4.3 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 02 - Using trig angle addition identities_ finding side lengths.webm 4.3 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 02 - Using trig angle addition identities_ finding side lengths.webm 4.3 MB
Computing/04 - Computer animation - 06 - Effects/02 - The physics of particle systems - 06 - Animating particles.webm 4.3 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 03 - Identifying perfect square form.webm 4.3 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 07 - Stabilization of a conjugate base_ electronegativity.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 08 - Chinese inflation.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 06 - US and Japanese quantitative easing.webm 4.3 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 04 - To, two, and too.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 02 - Tax deductions introduction.webm 4.3 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/02 - Prime and composite numbers - 02 - Recognizing prime and composite numbers.webm 4.3 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/04 - Two-step equations intro - 02 - Intro to two-step equations.webm 4.3 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/05 - Two-steps equations intro - 01 - Intro to two-step equations.webm 4.3 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/02 - Graphs of absolute value functions - 02 - Scaling and reflecting absolute value functions_ graph.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 02 - Futures introduction.webm 4.3 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/05 - Introduction to the possessive - 01 - Introduction to the possessive.webm 4.3 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/01 - Adding 1s, 10s, and 100s - 02 - Adding 1s, 10s, and 100s.webm 4.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/07 - Pulmonary hypertension - 05 - Pulmonary hypertension diagnosis.webm 4.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 05 - Pulmonary hypertension diagnosis.webm 4.3 MB
Math by grade/03 - 2nd - 04 - Measurement and data/06 - Line plots - 01 - Intro to line plots.webm 4.3 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/06 - Line plots - 01 - Intro to line plots.webm 4.3 MB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 06 - Coordinate plane word problem examples.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 04 - Amortization and depreciation.webm 4.3 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 04 - Converting units_ US volume.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 05 - Verifying hedge with futures margin mechanics.webm 4.3 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 08 - Dispersion.webm 4.3 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 08 - Dispersion.webm 4.3 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 08 - Dispersion.webm 4.3 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/04 - Equations word problems - 01 - Sums of consecutive integers.webm 4.3 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/10 - Linear equations word problems - 01 - Sums of consecutive integers.webm 4.3 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/10 - Word problems with 'more' and 'fewer' (within 100) - 03 - Addition word problem_ spots.webm 4.3 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/01 - Introduction to verbs - 02 - Introduction to agreement.webm 4.3 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/02 - Number patterns - 02 - Interpreting patterns on coordinate plane.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 07 - Data on Chinese US balance of payments.webm 4.3 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 04 - Worked example_ Triangle angles (intersecting lines).webm 4.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 03 - Worked example_ Triangle angles (intersecting lines).webm 4.3 MB
Science & engineering/11 - Electrical engineering - 01 - Introduction to electrical engineering/01 - Getting started - 04 - Conventional current.webm 4.3 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 02 - Social institutions.webm 4.3 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 04 - Visually understanding balancing chemical equations.webm 4.3 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/01 - Balancing chemical equations - 04 - Visually understanding balancing chemical equations.webm 4.3 MB
Test prep/02 - MCAT - 08 - Physical processes/29 - Balancing chemical equations - 03 - Visually understanding balancing chemical equations.webm 4.3 MB
Science & engineering/10 - Health and medicine - 06 - Advanced hematologic system physiology/02 - Bleeding and impaired hemostasis - 03 - Secondary hemostasis.webm 4.3 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 05 - Dramaturgical approach.webm 4.3 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/08 - Inscribed shapes problem solving - 05 - Inscribed quadrilaterals proof.webm 4.3 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/08 - Inscribed shapes problem solving - 05 - Inscribed quadrilaterals proof.webm 4.3 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/10 - Word problems with 'more' and 'fewer' (within 100) - 02 - Addition word problem_ starfish.webm 4.3 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/03 - Advanced polynomial factorization methods - 02 - Factoring sum of cubes.webm 4.3 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/05 - Advanced polynomial factorization methods - 02 - Factoring sum of cubes.webm 4.3 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 02 - Using the cosine angle addition identity.webm 4.3 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 02 - Using the cosine angle addition identity.webm 4.3 MB
Math by grade/05 - 4th - 03 - Fractions/05 - Decomposing fractions - 01 - Decomposing a fraction visually.webm 4.3 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 16 - Arbitraging futures contract.webm 4.3 MB
Math by grade/06 - 5th - 05 - Geometry/03 - Quadrilaterals - 03 - Kites as a geometric shape.webm 4.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 11 - Kites as a geometric shape.webm 4.3 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/03 - Relating multiplication and division - 03 - Division word problem_ school building.webm 4.3 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 03 - There, their, and they're.webm 4.2 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/06 - Multiplying binomials - 03 - Multiplying binomials.webm 4.2 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/06 - Multiplying binomials - 03 - Multiplying binomials.webm 4.2 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/04 - Irregular verbs - 01 - Introduction to irregular verbs.webm 4.2 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/13 - Song dynasty (960-1279) - 02 - Liang Kai, Poet Strolling by a Marshy Bank.webm 4.2 MB
Math by grade/09 - 8th - 05 - Geometry/04 - Pythagorean theorem application - 03 - Pythagorean theorem word problem_ fishing boat.webm 4.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 03 - Pythagorean theorem word problem_ fishing boat.webm 4.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 03 - Pythagorean theorem word problem_ fishing boat.webm 4.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 10 - Applications of DNA technologies.webm 4.2 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/02 - Subtracting 1s, 10s, and 100s - 01 - Subtracting 1, 10, or 100.webm 4.2 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/01 - Measuring cost of living – inflation and the consumer price index - 03 - Inflation data.webm 4.2 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 03 - Inflation data.webm 4.2 MB
Math by grade/07 - 6th - 08 - Geometry/06 - Surface area - 02 - Surface area using a net_ triangular prism.webm 4.2 MB
Math by grade/05 - 4th - 06 - Geometry/10 - Classifying triangles - 02 - Classifying triangles by angles.webm 4.2 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/06 - Dilution - 01 - Stock dilution.webm 4.2 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 02 - Neurotransmitter removal.webm 4.2 MB
Test prep/02 - MCAT - 07 - Organ systems/04 - Neuronal synapses - 05 - Neurotransmitter removal.webm 4.2 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/03 - Neuronal synapses - 05 - Neurotransmitter removal.webm 4.2 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/03 - The distributive property - 01 - Distributive property over addition.webm 4.2 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 05 - Memory reconstruction, source monitoring, and emotional memories.webm 4.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 05 - Memory reconstruction, source monitoring, and emotional memories.webm 4.2 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 09 - Calder, Mobile.webm 4.2 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/14 - Vasculitis - 10 - Churg-Strauss syndrome.webm 4.2 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/08 - Vasculitis - 10 - Churg-Strauss syndrome.webm 4.2 MB
Math by grade/05 - 4th - 04 - Decimals/03 - Decimals vs. fractions - 02 - Writing a number as a fraction and decimal.webm 4.2 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/03 - Volume - 02 - Word problems with volume.webm 4.2 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/09 - Adding vectors in magnitude and direction form - 03 - Vector addition and magnitude.webm 4.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/01 - Graphing proportional relationships - 03 - Graphing proportional relationships_ unit rate.webm 4.2 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/06 - Addition and subtraction word problems with negatives - 02 - Negative number word problem_ temperatures.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 02 - Multiplying rational expressions.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 04 - Multiplying rational expressions.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 02 - Multiplying rational expressions.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 04 - Multiplying rational expressions.webm 4.2 MB
Math by grade/05 - 4th - 03 - Fractions/08 - Mixed numbers - 03 - Comparing improper fractions and mixed numbers.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/05 - Interpreting the periodicity of algebraic models - 01 - Periodicity of algebraic models.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/05 - Interpreting the periodicity of algebraic models - 01 - Periodicity of algebraic models.webm 4.2 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 07 - Factoring perfect squares_ shared factors.webm 4.2 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 01 - Optimal angle for a projectile part 1_ Components of initial velocity.webm 4.2 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 01 - Optimal angle for a projectile part 1_ Components of initial velocity.webm 4.2 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 14 - Proof_ Opposite angles of a parallelogram.webm 4.2 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/05 - Theorems concerning quadrilateral properties - 03 - Proof_ Opposite angles of a parallelogram.webm 4.2 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 04 - 3. Scaling.webm 4.2 MB
Math by grade/05 - 4th - 04 - Decimals/03 - Decimals vs. fractions - 01 - Rewriting fractions as decimals.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/05 - Exponential equations_ logarithms - 02 - Solving exponential equations using logarithms_ base-2.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/05 - Solving exponential equations with logarithms - 02 - Solving exponential equations using logarithms_ base-2.webm 4.2 MB
Math by grade/09 - 8th - 04 - Systems of equations/05 - Solving systems with substitution - 01 - Systems of equations with substitution_ 2y=x+7 and x=y-4.webm 4.2 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 04 - Use cases for credit default swaps.webm 4.2 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/05 - Cystic fibrosis - 03 - Cystic fibrosis diagnosis.webm 4.2 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 03 - Cystic fibrosis diagnosis.webm 4.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 07 - Altruism.webm 4.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 09 - Altruism.webm 4.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 03 - Primary and secondary groups.webm 4.2 MB
Math by grade/08 - 7th - 07 - Statistics and probability/04 - Comparing and sampling populations - 02 - Comparing distributions with dot plots (example problem).webm 4.2 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/04 - Comparing distributions - 01 - Comparing distributions with dot plots (example problem).webm 4.2 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/05 - Comparing distributions - 01 - Comparing distributions with dot plots (example problem).webm 4.2 MB
Math by grade/07 - 6th - 03 - Negative numbers/04 - Comparing negative numbers - 02 - Ordering rational numbers.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/01 - Square-root equations - 05 - Solving square-root equations_ no solution.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/01 - Solving square-root equations - 05 - Solving square-root equations_ no solution.webm 4.2 MB
Arts and humanities/05 - Grammar - 10 - Syntax_ conventions of standard English/02 - Fragments and run-ons - 01 - Recognizing fragments.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/06 - Comparing features of functions - 02 - Comparing functions_ shared features.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/06 - Comparing features of functions - 02 - Comparing functions_ shared features.webm 4.2 MB
Computing/04 - Computer animation - 10 - Environment modeling/02 - Calculating parabolas - 03 - 3. Compute the touching point.webm 4.2 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 01 - Transforming exponential graphs.webm 4.2 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 01 - Transforming exponential graphs.webm 4.2 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 11 - Contango.webm 4.2 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/05 - Multiplying monomials by polynomials - 03 - Multiplying monomials by polynomials challenge.webm 4.2 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/05 - Multiplying monomials by polynomials - 03 - Multiplying monomials by polynomials challenge.webm 4.2 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/02 - The distributive property and equivalent expressions - 03 - Equivalent expressions_ negative numbers and distribution.webm 4.2 MB
Science & engineering/01 - Physics - 15 - Geometric optics/01 - Reflection and refraction - 04 - Refraction in water.webm 4.2 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/01 - Reflection and refraction - 04 - Refraction in water.webm 4.2 MB
Test prep/02 - MCAT - 08 - Physical processes/24 - Reflection and refraction - 04 - Refraction in water.webm 4.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/08 - Modeling with right triangles - 01 - Right triangle word problem.webm 4.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/07 - Modeling with right triangles - 01 - Right triangle word problem.webm 4.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/04 - Modeling with right triangles - 01 - Right triangle word problem.webm 4.2 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 04 - Hedge funds, venture capital, and private equity.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/10 - Linear equations word problems - 04 - Linear equation word problem_ sugary drinks.webm 4.1 MB
Math by grade/05 - 4th - 03 - Fractions/09 - Adding and subtracting mixed numbers - 02 - Intro to subtracting mixed numbers.webm 4.1 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 03 - AMT overview.webm 4.1 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/02 - Proofs concerning irrational numbers - 03 - Proof_ there's an irrational number between any two rational numbers.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/03 - Proofs concerning irrational numbers - 03 - Proof_ there's an irrational number between any two rational numbers.webm 4.1 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/11 - Average rate of change - 04 - Worked example_ average rate of change from equation.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/11 - Average rate of change - 04 - Worked example_ average rate of change from equation.webm 4.1 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/02 - Population genetics - 03 - Applying the Hardy-Weinberg equation.webm 4.1 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/02 - Population genetics - 03 - Applying the Hardy-Weinberg equation.webm 4.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/07 - Mendelian genetics - 05 - Applying the Hardy-Weinberg equation.webm 4.1 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/03 - One-step addition and subtraction equations - 03 - One-step addition and subtraction equations_ fractions and decimals.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/03 - One-step addition and subtraction equations - 03 - One-step addition and subtraction equations_ fractions and decimals.webm 4.1 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 03 - 2. Midpoint formula.webm 4.1 MB
Math by grade/05 - 4th - 03 - Fractions/01 - Equivalent fractions - 03 - More on equivalent fractions.webm 4.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/04 - Slope - 03 - Slope of a line_ negative slope.webm 4.1 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/03 - Linking and helping verbs - 01 - Linking verbs.webm 4.1 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 03 - Simplifying rational expressions_ common binomial factors.webm 4.1 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 03 - Simplifying rational expressions_ common binomial factors.webm 4.1 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/03 - Dividing line segments - 01 - Dividing line segments_ graphical.webm 4.1 MB
Math by grade/07 - 6th - 09 - Data and statistics/04 - Mean and median - 02 - Mean, median, and mode example.webm 4.1 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/02 - Summarizing center of distributions (central tendency) - 02 - Mean, median, and mode example.webm 4.1 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/02 - Summarizing center of distributions (central tendency) - 02 - Mean, median, and mode example.webm 4.1 MB
Math by grade/04 - 3rd - 05 - Place value and rounding/01 - Rounding - 02 - Rounding to nearest 100.webm 4.1 MB
Math by grade/09 - 8th - 01 - Numbers and operations/11 - Scientific notation word problems - 01 - Scientific notation word problem_ red blood cells.webm 4.1 MB
Math by grade/02 - 1st - 01 - Place value/02 - Ones and tens - 03 - Place value example_ 42.webm 4.1 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/01 - Introduction to adjectives and articles - 01 - Intro to adjectives.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/02 - Exponential expressions - 03 - Exponential expressions word problems (algebraic).webm 4.1 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/11 - Synthetic division of polynomials - 01 - Intro to polynomial synthetic division.webm 4.1 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/04 - Synthetic division of polynomials - 01 - Intro to polynomial synthetic division.webm 4.1 MB
Math by grade/05 - 4th - 04 - Decimals/06 - Common fractions and decimals - 02 - Common fractions (halves).webm 4.1 MB
Math by grade/06 - 5th - 04 - Measurement and data/02 - Finding volume - 04 - Volume word problem_ water tank.webm 4.1 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/07 - Somatosensation - 02 - Sensory adaptation and amplification.webm 4.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/04 - Somatosensation - 02 - Sensory adaptation and amplification.webm 4.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 13 - Contango and backwardation review.webm 4.1 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 02 - Basic cash flow statement.webm 4.1 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/08 - Verifying that functions are inverses - 02 - Verifying inverse functions by composition_ not inverse.webm 4.1 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/08 - Verifying that functions are inverses - 02 - Verifying inverse functions by composition_ not inverse.webm 4.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 12 - Why do some people but not others develop substance use problems_.webm 4.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 12 - Why do some people but not others develop substance use problems_.webm 4.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 15 - Put-call parity arbitrage II.webm 4.1 MB
Test prep/02 - MCAT - 11 - Behavior/04 - Motivation and attitudes - 04 - Incentive theory.webm 4.1 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/03 - Intro to rates - 04 - Comparing rates example.webm 4.1 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/02 - Number patterns - 03 - Interpreting relationships in ordered pairs.webm 4.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 12 - Backwardation.webm 4.1 MB
Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 04 - Fair value accounting.webm 4.1 MB
Science & engineering/05 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 04 - Unusual oxygen oxidation states.webm 4.1 MB
Science & engineering/06 - AP Chemistry - 14 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 04 - Unusual oxygen oxidation states.webm 4.1 MB
Math by grade/05 - 4th - 02 - Multiplication and division/04 - Comparing with multiplication - 02 - Comparing with multiplication_ giraffe.webm 4.1 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/05 - Theorems concerning quadrilateral properties - 05 - Proof_ Rhombus diagonals are perpendicular bisectors.webm 4.1 MB
Science & engineering/07 - Organic chemistry - 14 - Spectroscopy/03 - Proton NMR - 07 - Integration.webm 4.1 MB
Test prep/02 - MCAT - 08 - Physical processes/21 - Proton nuclear magnetic resonance - 07 - Integration.webm 4.1 MB
Math by grade/05 - 4th - 06 - Geometry/04 - Measuring angles - 03 - Measuring angles using a protractor 2.webm 4.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 03 - Measuring angles using a protractor 2.webm 4.1 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 07 - Dividing by a multi-digit decimal.webm 4.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 08 - DNA sequencing.webm 4.1 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/01 - Intro to adding negative numbers - 02 - Adding numbers with different signs.webm 4.1 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/04 - Adding and subtracting integers - 01 - Adding numbers with different signs.webm 4.1 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 03 - Balancing more complex chemical equations.webm 4.1 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/01 - Balancing chemical equations - 03 - Balancing more complex chemical equations.webm 4.1 MB
Test prep/02 - MCAT - 08 - Physical processes/29 - Balancing chemical equations - 02 - Balancing more complex chemical equations.webm 4.1 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/09 - Word problems within 100 - 02 - Subtraction word problem_ tennis balls.webm 4.1 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/04 - Working with triangles - 01 - Corresponding angles in congruent triangles.webm 4.1 MB
Math by grade/06 - 5th - 03 - Place value and decimals/08 - Powers of 10 - 01 - Patterns in powers of 10.webm 4.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 08 - What is traveler's diarrhea_.webm 4.1 MB
Science & engineering/10 - Health and medicine - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 09 - What is traveler's diarrhea_.webm 4.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 08 - What is traveler's diarrhea_.webm 4.1 MB
Test prep/05 - NCLEX-RN - 13 - Gastrointestinal system diseases/01 - Gastroenteritis - 09 - What is traveler's diarrhea_.webm 4.1 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 06 - Using the quadratic formula_ number of solutions.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 06 - Using the quadratic formula_ number of solutions.webm 4.1 MB
Math by grade/08 - 7th - 07 - Statistics and probability/04 - Comparing and sampling populations - 01 - Reasonable samples.webm 4.1 MB
Math by grade/10 - High school/03 - Mathematics III - 09 - Study Design/01 - Samples and surveys - 01 - Reasonable samples.webm 4.1 MB
Math by grade/10 - High school/07 - High school statistics - 04 - Study design/01 - Samples and surveys - 01 - Reasonable samples.webm 4.1 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 01 - Converting units_ minutes to hours.webm 4.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/04 - Slope - 02 - Worked example_ slope from graph.webm 4.1 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/03 - Slope - 03 - Worked example_ slope from graph.webm 4.1 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/03 - Slope - 03 - Worked example_ slope from graph.webm 4.1 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/08 - Count unit squares to find area - 04 - Creating rectangles with a given area 1.webm 4.1 MB
Arts and humanities/05 - Grammar - 11 - Usage and Style/01 - Frequently confused words - 02 - Hear_here and accept_except.webm 4.0 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 48 - GMAT_ Math 48.webm 4.0 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/03 - Sleep and consciousness - 01 - States of consciousness.webm 4.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 01 - States of consciousness.webm 4.0 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 02 - Simplifying cube root expressions.webm 4.0 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 02 - Simplifying cube root expressions.webm 4.0 MB
Math by grade/05 - 4th - 05 - Measurement and data/11 - Area and perimeter - 02 - Area and perimeter word problem_ table.webm 4.0 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 06 - Long division with decimals.webm 4.0 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 08 - Symbolic interactionism.webm 4.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/06 - Discovery of resistors - 04 - Listen to variable resistance.webm 4.0 MB
Computing/04 - Computer animation - 12 - Crowds/02 - Counting crowds - 03 - 3. Calculating factorials.webm 4.0 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/06 - Compound inequalities - 04 - Double inequalities.webm 4.0 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/05 - Compound inequalities - 04 - Double inequalities.webm 4.0 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/01 - Exponential vs. linear growth - 04 - Exponential vs. linear models_ table.webm 4.0 MB
Computing/01 - Computer programming - 02 - Intro to HTML_CSS_ Making webpages/09 - Further learning - 01 - HTML validation.webm 4.0 MB
Science & engineering/05 - Chemistry - 01 - Atoms, compounds, and ions/03 - Names and formulas of ionic compounds - 04 - Finding formula for ionic compounds.webm 4.0 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 03 - Systems of equations with elimination_ -3y+4x=11 and y+2x=13.webm 4.0 MB
Math by grade/07 - 6th - 08 - Geometry/06 - Surface area - 03 - Surface area using a net_ rectangular prism.webm 4.0 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 16 - Surface area using a net_ rectangular prism.webm 4.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/02 - Realism - 05 - Millet, L'Angelus.webm 4.0 MB
Math by grade/09 - 8th - 05 - Geometry/03 - Pythagorean theorem - 03 - Pythagorean theorem with isosceles triangle.webm 4.0 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 06 - Pythagorean theorem with isosceles triangle.webm 4.0 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 04 - Retrieval_ Free recall, cued recall, and recognition.webm 4.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 04 - Retrieval_ Free recall, cued recall, and recognition.webm 4.0 MB
Computing/04 - Computer animation - 13 - Sets and Staging/01 - Geometric transformations - 05 - 4. Commutativity.webm 4.0 MB
Computing/04 - Computer animation - 04 - Color Science/01 - Introduction to Color - 04 - HSL color model.webm 4.0 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 07 - Decay and interference.webm 4.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 07 - Decay and interference.webm 4.0 MB
Arts and humanities/01 - World history - 06 - The 20th century/11 - Overview of World War II - 08 - 1944- Allies advance further in Europe.webm 4.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/05 - Gene control - 07 - Tumor suppressors.webm 4.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 05 - Equation with two rational expressions (old example).webm 4.0 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 11 - Health and healthcare disparities in the US.webm 4.0 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 01 - Seasons aren't dictated by closeness to sun.webm 4.0 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/07 - Pulmonary hypertension - 01 - What is pulmonary hypertension_.webm 4.0 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 01 - What is pulmonary hypertension_.webm 4.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/03 - Daedalic and Archaic - 03 - Marble Statue of a kouros (youth).webm 4.0 MB
Computing/04 - Computer animation - 12 - Crowds/02 - Counting crowds - 05 - 5. Does order matter_.webm 4.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 06 - Slope-intercept form from a table.webm 4.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/07 - Exponent properties (integer exponents) - 01 - Multiplying and dividing powers (integer exponents).webm 4.0 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/01 - Exponent properties review - 01 - Multiplying and dividing powers (integer exponents).webm 4.0 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/01 - Exponent properties review - 01 - Multiplying and dividing powers (integer exponents).webm 4.0 MB
Math by grade/05 - 4th - 03 - Fractions/13 - Fractions with denominators of 10 and 100 - 04 - Adding fractions (denominators 10 and 100).webm 4.0 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 10 - Married taxes clarification.webm 4.0 MB
Computing/04 - Computer animation - 06 - Effects/02 - The physics of particle systems - 01 - Graphing motion over time.webm 4.0 MB
Math by grade/10 - High school/03 - Mathematics III - 10 - Binomial probability/01 - Binomial probability - 02 - Generalizing k scores in n attempts.webm 4.0 MB
Math by grade/10 - High school/07 - High school statistics - 06 - Binomial probability/01 - Binomial probability - 02 - Generalizing k scores in n attempts.webm 4.0 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/05 - Picture graphs - 02 - Solving problems with pictographs 2.webm 4.0 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/04 - Correlative conjunctions and starting sentences - 01 - Correlative conjunctions.webm 4.0 MB
Math by grade/06 - 5th - 02 - Fractions/05 - Multiplication as scaling - 01 - Multiplication as scaling with fractions.webm 4.0 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/06 - Multi-digit division - 03 - Dividing by 2-digits_ 9815÷65.webm 4.0 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/05 - Dividing whole numbers - 01 - Dividing by 2-digits_ 9815÷65.webm 4.0 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/04 - Multiplication rule for independent events - 02 - Independent events example_ test taking.webm 4.0 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/05 - Multiplication rule for independent events - 02 - Independent events example_ test taking.webm 4.0 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 03 - Independent events example_ test taking.webm 4.0 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 04 - Changes in income, population, or preferences.webm 4.0 MB
Economics and finance/01 - Microeconomics - 01 - Supply, demand, and market equilibrium/02 - The demand curve - 05 - Changes in income, population, or preferences.webm 4.0 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 05 - Data on Chinese M1 increase in 2010.webm 4.0 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 02 - Psychoactive drugs_ Depressants and opiates.webm 4.0 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 02 - Psychoactive drugs_ Depressants and opiates.webm 4.0 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 02 - Psychoactive drugs_ Depressants and opiates.webm 4.0 MB
Arts and humanities/04 - Art history/09 - Art in 19th century Europe - 05 - Realism, Impressionism and Post-Impressionism/03 - Impressionism - 13 - Cassatt, Breakfast in Bed.webm 4.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 03 - Parallel resistors (part 2).webm 4.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/11 - Scientific notation word problems - 03 - Scientific notation word problem_ speed of light.webm 4.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 06 - Recognizing functions from table.webm 4.0 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/07 - Recognizing functions - 03 - Recognizing functions from table.webm 4.0 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/07 - Recognizing functions - 03 - Recognizing functions from table.webm 4.0 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/03 - Advanced polynomial factorization methods - 03 - Factoring difference of cubes.webm 4.0 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/05 - Advanced polynomial factorization methods - 03 - Factoring difference of cubes.webm 4.0 MB
Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance, and retirement/04 - Hedge funds - 05 - Hedge fund strategies_ Long short1.webm 3.9 MB
Math by grade/02 - 1st - 01 - Place value/03 - Comparing 2-digit numbers - 01 - Greater than and less than symbols.webm 3.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 02 - China pegs to dollar to keep trade imbalance.webm 3.9 MB
Math by grade/07 - 6th - 03 - Negative numbers/05 - Absolute value - 06 - Interpreting absolute value.webm 3.9 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/01 - Circuit elements - 04 - Sign convention for passive components.webm 3.9 MB
Math by grade/05 - 4th - 04 - Decimals/08 - Comparing decimals - 03 - Comparing decimals 2.webm 3.9 MB
Math by grade/06 - 5th - 02 - Fractions/08 - Multiplying fractions - 01 - Intro to multiplying 2 fractions.webm 3.9 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 06 - Major motor milestones.webm 3.9 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/06 - Word problems within 20 - 01 - Addition and subtraction word problems_ superheroes.webm 3.9 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/03 - Subtraction within 20 - 01 - Subtracting 14 - 6.webm 3.9 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/01 - Introduction to arithmetic sequences - 04 - Using arithmetic sequences formulas.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/01 - Introduction to arithmetic sequences - 04 - Using arithmetic sequences formulas.webm 3.9 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 01 - Hesse, Untitled.webm 3.9 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 05 - 5th roots.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 05 - 5th roots.webm 3.9 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/08 - Count unit squares to find area - 03 - Measuring area with partial unit squares.webm 3.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/01 - Introduction - 03 - Introduction to programming using lego NXT.webm 3.9 MB
Math by grade/05 - 4th - 04 - Decimals/02 - Decimals on the number line - 05 - Plotting decimal numbers on a number line.webm 3.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 05 - Systems of equations with elimination_ 4x-2y=5 and 2x-y=2.5.webm 3.9 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/03 - Arc length (degrees) - 01 - Arc length from subtended angle.webm 3.9 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/03 - Arc length (degrees) - 01 - Arc length from subtended angle.webm 3.9 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/06 - Multiplying binomials - 01 - Multiplying binomials_ area model.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/06 - Multiplying binomials - 01 - Multiplying binomials_ area model.webm 3.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 10 - Systems of equations with elimination_ coffee and croissants.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 10 - Systems of equations with elimination_ coffee and croissants.webm 3.9 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 03 - Retrieval cues.webm 3.9 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 03 - Retrieval cues.webm 3.9 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/02 - One-step equations intuition - 04 - One-step equations intuition.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/02 - Why we do the same thing to both sides of an equation - 04 - One-step equations intuition.webm 3.9 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 04 - Review of China US currency situation.webm 3.9 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/02 - Composing functions - 04 - Evaluating composite functions_ using graphs.webm 3.9 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/02 - Composing functions - 04 - Evaluating composite functions_ using graphs.webm 3.9 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 06 - Total anomalous pulmonary venous return.webm 3.9 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 06 - Total anomalous pulmonary venous return.webm 3.9 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 03 - Early Renaissance in Italy_ 1400s/03 - Painting in Florence and Rome - 10 - Fra Filippo Lippi, Madonna and Child.webm 3.9 MB
Math by grade/06 - 5th - 02 - Fractions/11 - Fractions as division - 04 - Creating mixed numbers with fraction division.webm 3.9 MB
Science & engineering/05 - Chemistry - 05 - Chemical bonds/02 - Dot structures and molecular geometry - 06 - More on the dot structure for sulfur dioxide.webm 3.9 MB
Science & engineering/06 - AP Chemistry - 06 - Chemical bonds/02 - Dot structures and molecular geometry - 06 - More on the dot structure for sulfur dioxide.webm 3.9 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/02 - Identifying proportional relationships - 03 - Is side length and area proportional_.webm 3.9 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 03 - Long-run aggregate supply.webm 3.9 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/01 - Multiply and divide negative numbers - 02 - Dividing positive and negative numbers.webm 3.9 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/06 - Unit vectors - 02 - Worked example_ finding unit vector with given direction.webm 3.9 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 07 - Dissociative identity disorder.webm 3.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/07 - Biological explanations of social behavior in animals - 04 - Mating behavior and inclusive fitness.webm 3.9 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/07 - Word problems with 'more' and 'fewer' - 01 - Comparison word problems_ marbles.webm 3.9 MB
Science & engineering/08 - Biology - 25 - Behavioral biology/01 - Animal behavior - 01 - Animal communication.webm 3.9 MB
Science & engineering/09 - AP Biology - 26 - Behavioral biology/01 - Animal behavior - 01 - Animal communication.webm 3.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/07 - Biological explanations of social behavior in animals - 02 - Animal communication.webm 3.9 MB
Science & engineering/05 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 06 - Balancing chemical equation with substitution.webm 3.9 MB
Science & engineering/06 - AP Chemistry - 02 - Stoichiometry and molecular composition/01 - Balancing chemical equations - 06 - Balancing chemical equation with substitution.webm 3.9 MB
Test prep/02 - MCAT - 08 - Physical processes/29 - Balancing chemical equations - 05 - Balancing chemical equation with substitution.webm 3.9 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/04 - Irregular verbs - 03 - The vowel-shift irregular verb.webm 3.9 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/04 - Bar graphs - 03 - Reading bar graphs_ movies.webm 3.9 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/06 - Compound inequalities - 02 - Compound inequalities_ AND.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/05 - Compound inequalities - 02 - Compound inequalities_ AND.webm 3.9 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/02 - Constructing arithmetic sequences - 01 - Recursive formulas for arithmetic sequences.webm 3.9 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/02 - Constructing arithmetic sequences - 01 - Recursive formulas for arithmetic sequences.webm 3.9 MB
Math by grade/07 - 6th - 08 - Geometry/03 - Area of trapezoids and composite figures - 01 - Area of trapezoids.webm 3.9 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 04 - Area of trapezoids.webm 3.9 MB
Math by grade/07 - 6th - 03 - Negative numbers/05 - Absolute value - 04 - Comparing absolute values on the number line.webm 3.9 MB
Science & engineering/07 - Organic chemistry - 06 - Alkenes and alkynes/01 - Naming alkenes - 02 - cis-trans and E-Z naming scheme for alkenes.webm 3.9 MB
Math by grade/08 - 7th - 07 - Statistics and probability/03 - Compound events and sample spaces - 05 - Count outcomes using tree diagram.webm 3.9 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/02 - Counting with permutations - 02 - Count outcomes using tree diagram.webm 3.9 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/03 - More ways to use commas - 01 - More uses for commas.webm 3.9 MB
Math by grade/06 - 5th - 02 - Fractions/08 - Multiplying fractions - 05 - Finding area with fractional sides 1.webm 3.9 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/05 - Sight (vision) - 06 - Visual field processing.webm 3.9 MB
Test prep/02 - MCAT - 10 - Processing the environment/02 - Sight (vision) - 06 - Visual field processing.webm 3.9 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/03 - Formatting styles - 02 - Using quotation marks in titles.webm 3.9 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/02 - Real and nominal return - 03 - Relation between nominal and real returns and inflation.webm 3.9 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/03 - Real and nominal return - 03 - Relation between nominal and real returns and inflation.webm 3.9 MB
Math by grade/05 - 4th - 03 - Fractions/01 - Equivalent fractions - 01 - Intro to equivalent fractions.webm 3.9 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/06 - Gastrointestinal system introduction - 10 - Hepatic lobule.webm 3.8 MB
Test prep/02 - MCAT - 07 - Organ systems/14 - Gastrointestinal system - 10 - Hepatic lobule.webm 3.8 MB
Test prep/05 - NCLEX-RN - 12 - Gastrointestinal system physiology/01 - Gastrointestinal system - 10 - Hepatic lobule.webm 3.8 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/07 - Factoring polynomials with quadratic forms - 02 - Factoring quadratics_ negative common factor + grouping.webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 06 - Factoring quadratics_ negative common factor + grouping.webm 3.8 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 03 - DNA libraries and generating cDNA.webm 3.8 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 07 - Systems of equations with elimination_ 6x-6y=-24 and -5x-5y=-60.webm 3.8 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/02 - Combining like terms - 01 - Intro to combining like terms.webm 3.8 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/01 - Combining like terms - 01 - Intro to combining like terms.webm 3.8 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/07 - Combining like terms - 01 - Intro to combining like terms.webm 3.8 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 12 - 2015 AP Chemistry free response 3e.webm 3.8 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 14 - 2015 AP Chemistry free response 3e.webm 3.8 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 12 - 2015 AP Chemistry free response 3e.webm 3.8 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 14 - 2015 AP Chemistry free response 3e.webm 3.8 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/03 - More ways to use commas - 02 - Commas in dialogue.webm 3.8 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/06 - Simplifying square roots - 02 - Simplifying square roots (variables).webm 3.8 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/06 - Simplifying square roots - 02 - Simplifying square roots (variables).webm 3.8 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/08 - Finding zeros of polynomials - 02 - Finding zeros of polynomials (2 of 2).webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/10 - Finding zeros of polynomials - 02 - Finding zeros of polynomials (2 of 2).webm 3.8 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 03 - Subculture vs counterculture.webm 3.8 MB
Computing/04 - Computer animation - 14 - Rendering/02 - Mathematics of Rendering - 02 - 2. Parametric form of a ray.webm 3.8 MB
Math by grade/06 - 5th - 02 - Fractions/01 - Visually adding and subtracting fractions with unlike denominators - 02 - Visually subtracting fractions_ 3_4-5_8.webm 3.8 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/02 - Commas in space and time - 02 - Commas in space and time.webm 3.8 MB
Arts and humanities/05 - Grammar - 01 - Introduction to grammar/01 - Welcome to grammar! - 01 - Introduction to Grammar.webm 3.8 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/02 - Identifying proportional relationships - 01 - Intro to proportional relationships.webm 3.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/09 - Area formula intuition - 02 - Transitioning from unit squares to area formula.webm 3.8 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/09 - Skeletal system introduction - 02 - Microscopic structure of bone - the Haversian system.webm 3.8 MB
Science & engineering/10 - Health and medicine - 14 - Advanced muscular-skeletal system physiology/02 - Skeletal system introduction - 02 - Microscopic structure of bone - the Haversian system.webm 3.8 MB
Test prep/02 - MCAT - 07 - Organ systems/16 - Skeletal system - 02 - Microscopic structure of bone - the Haversian system.webm 3.8 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/02 - Skeletal system - 02 - Microscopic structure of bone - the Haversian system.webm 3.8 MB
Math by grade/09 - 8th - 01 - Numbers and operations/02 - Square roots and cube roots - 03 - Worked example_ Cube root of a negative number.webm 3.8 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 01 - Basics of US income tax rate schedule.webm 3.8 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/01 - Transformations and congruence - 03 - Performing sequences of transformations.webm 3.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 14 - Put-call parity arbitrage I.webm 3.8 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/04 - Change of base formula for logarithms - 03 - Proof of the logarithm change of base rule.webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/04 - The change of base formula for logarithms - 03 - Proof of the logarithm change of base rule.webm 3.8 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/02 - Counting with permutations - 05 - Ways to arrange colors.webm 3.8 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/06 - Permutations - 05 - Ways to arrange colors.webm 3.8 MB
Math by grade/06 - 5th - 02 - Fractions/08 - Multiplying fractions - 02 - Multiplying 2 fractions_ fraction model.webm 3.8 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/05 - Polynomial identities with complex numbers - 01 - Complex numbers and sum of squares factorization.webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/07 - Polynomial identities with complex numbers - 01 - Complex numbers and sum of squares factorization.webm 3.8 MB
Math by grade/09 - 8th - 01 - Numbers and operations/02 - Square roots and cube roots - 05 - Dimensions of a cube from its volume.webm 3.8 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 02 - Linear functions word problem_ pool.webm 3.8 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/03 - Constructing linear models for real-world relationships - 02 - Linear functions word problem_ pool.webm 3.8 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 03 - Intergenerational and intragenerational mobility social mobility.webm 3.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 10 - Long straddle.webm 3.8 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 08 - Electrolyte (temperature test).webm 3.8 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/10 - Interpreting features of graphs - 02 - Graph interpretation word problem_ basketball.webm 3.8 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/10 - Interpreting features of graphs - 02 - Graph interpretation word problem_ basketball.webm 3.8 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 03 - Graphing exponential functions.webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/07 - Graphs of exponential functions - 03 - Graphing exponential functions.webm 3.8 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 09 - Alzheimer's disease and Korsakoff's syndrome.webm 3.8 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 09 - Alzheimer's disease and Korsakoff's syndrome.webm 3.8 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/05 - Exponents with negative bases - 02 - The 0 and 1st power.webm 3.8 MB
Math by grade/05 - 4th - 06 - Geometry/02 - Parallel and perpendicular - 02 - Parallel and perpendicular lines.webm 3.8 MB
Math by grade/09 - 8th - 05 - Geometry/01 - Angles between intersecting lines - 02 - Parallel and perpendicular lines.webm 3.8 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 11 - Parallel and perpendicular lines.webm 3.8 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/01 - Vector basics - 04 - Components of vectors.webm 3.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 09 - Backwardation bullish or bearish.webm 3.8 MB
Math by grade/09 - 8th - 01 - Numbers and operations/06 - Negative exponents - 02 - Negative exponent intuition.webm 3.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/02 - Mass - 02 - Word problems with mass.webm 3.8 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/04 - Irregular verbs - 04 - The irregular verb gets taken for a ride.webm 3.8 MB
Science & engineering/01 - Physics - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 06 - Loop de loop question.webm 3.8 MB
Science & engineering/02 - AP Physics 1 - 04 - Centripetal force and gravitation/01 - Circular motion and centripetal acceleration - 06 - Loop de loop question.webm 3.8 MB
Science & engineering/07 - Organic chemistry - 08 - Conjugated systems and pericyclic reactions/01 - Diels-Alder reaction - 06 - Diels-Alder_ regiochemistry.webm 3.8 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/04 - Addition and subtraction missing value problems - 01 - Missing number for addition and subtraction within 1000.webm 3.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/12 - Decompose figures to find area - 02 - Decomposing shapes to find area_ add.webm 3.8 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/06 - Finding mistakes in one-step equations - 01 - Finding mistakes in one-step equations.webm 3.8 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 07 - Art Terms in Action_ Tint, Shade, and Tone.webm 3.8 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/01 - Multiplication intro - 01 - Intro to multiplication.webm 3.8 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/04 - Interpreting the end behavior of algebraic models - 01 - End behavior of algebraic models.webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/04 - Interpreting the end behavior of algebraic models - 01 - End behavior of algebraic models.webm 3.8 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/04 - Correlative conjunctions and starting sentences - 03 - BONUS_ 'FANBOYS,' a mnemonic song.webm 3.8 MB
Math by grade/09 - 8th - 05 - Geometry/04 - Pythagorean theorem application - 01 - Use Pythagorean theorem to find area of an isosceles triangle.webm 3.8 MB
Math by grade/04 - 3rd - 03 - Fractions/07 - Comparing fractions - 02 - Comparing fractions visually.webm 3.8 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/01 - Introduction to matrices - 01 - Intro to matrices.webm 3.8 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/05 - Focus and directrix of a parabola - 01 - Intro to focus and directrix.webm 3.8 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/05 - Focus and directrix of a parabola - 01 - Intro to focus and directrix.webm 3.8 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/07 - Focus and directrix of a parabola - 01 - Intro to focus and directrix.webm 3.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/13 - Perimeter - 03 - Finding perimeter when a side length is missing.webm 3.8 MB
Math by grade/04 - 3rd - 03 - Fractions/07 - Comparing fractions - 04 - Comparing fractions with the same numerator.webm 3.8 MB
Computing/04 - Computer animation - 09 - Animation/02 - Mathematics of animation curves - 04 - 4. What degree are these curves_.webm 3.7 MB
Math by grade/09 - 8th - 06 - Data and modeling/03 - Estimating lines of best fit - 02 - Line of best fit_ smoking in 1945.webm 3.7 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/02 - Estimating with trend lines - 02 - Line of best fit_ smoking in 1945.webm 3.7 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/02 - Estimating with trend lines - 02 - Line of best fit_ smoking in 1945.webm 3.7 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/02 - Law of cosines - 01 - Solving for a side with the law of cosines.webm 3.7 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/11 - Law of cosines - 01 - Solving for a side with the law of cosines.webm 3.7 MB
Math by grade/10 - High school/08 - Trigonometry - 02 - Trigonometry with general triangles/02 - The law of cosines - 01 - Solving for a side with the law of cosines.webm 3.7 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/04 - Slow sock on Lubricon VI - 01 - Slow sock on Lubricon VI.webm 3.7 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/04 - Slow sock on Lubricon VI - 01 - Slow sock on Lubricon VI.webm 3.7 MB
Test prep/02 - MCAT - 08 - Physical processes/05 - Normal forces - 04 - Slow sock on Lubricon VI.webm 3.7 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/02 - Understanding the binomial theorem - 02 - Pascal's triangle and combinatorics.webm 3.7 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/02 - Understanding the binomial theorem - 02 - Pascal's triangle and combinatorics.webm 3.7 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/11 - Constructing regular polygons inscribed in circles - 03 - Geometric constructions_ circle-inscribed regular hexagon.webm 3.7 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/13 - Constructing regular polygons inscribed in circles - 03 - Geometric constructions_ circle-inscribed regular hexagon.webm 3.7 MB
Computing/04 - Computer animation - 04 - Color Science/02 - Color spaces - 02 - HSL color space.webm 3.7 MB
Math by grade/08 - 7th - 06 - Geometry/07 - Scale drawings - 01 - Interpreting a scale drawing.webm 3.7 MB
Science & engineering/08 - Biology - 08 - Membranes and transport/02 - Diffusion and osmosis - 02 - Concentration gradients.webm 3.7 MB
Science & engineering/09 - AP Biology - 09 - Membranes and transport/02 - Diffusion and osmosis - 02 - Concentration gradients.webm 3.7 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/05 - Modeling situations by combining and composing functions - 03 - Modeling with composite functions (example 2).webm 3.7 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/05 - Modeling situations by combining and composing functions - 03 - Modeling with composite functions (example 2).webm 3.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 08 - Comparing linear functions word problem_ work.webm 3.7 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/02 - Comparing linear functions - 06 - Comparing linear functions word problem_ work.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/02 - Comparing linear functions - 06 - Comparing linear functions word problem_ work.webm 3.7 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/02 - Identifying proportional relationships - 06 - Proportional relationships_ bananas.webm 3.7 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 07 - Rational number word problem_ checking account.webm 3.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 04 - Linear equations word problems_ earnings.webm 3.7 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 01 - Linear equations word problems_ earnings.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 01 - Linear equations word problems_ earnings.webm 3.7 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 09 - Floating exchange effect on China.webm 3.7 MB
Math by grade/05 - 4th - 06 - Geometry/06 - Angles in circles - 03 - Angles in circles word problem.webm 3.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 10 - Futures curves II.webm 3.7 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 03 - Subtracting polynomials_ two variables challenge.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 03 - Subtracting polynomials_ two variables challenge.webm 3.7 MB
Math by grade/09 - 8th - 01 - Numbers and operations/10 - Arithmetic with numbers in scientific notation - 03 - Subtracting in scientific notation.webm 3.7 MB
Math by grade/07 - 6th - 08 - Geometry/05 - Volume with fractions - 01 - Volume with fractional cubes.webm 3.7 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/02 - Magnitude of vectors - 01 - Magnitude of a vector from graph.webm 3.7 MB
Math by grade/07 - 6th - 09 - Data and statistics/07 - Box plots - 01 - Reading box plots.webm 3.7 MB
Math by grade/10 - High school/01 - Mathematics I - 09 - Data distributions/03 - Box and whisker plots - 02 - Reading box plots.webm 3.7 MB
Math by grade/10 - High school/07 - High school statistics - 02 - Data distributions/04 - Box and whisker plots - 02 - Reading box plots.webm 3.7 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/03 - Rational exponents intro - 01 - Intro to rational exponents.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/03 - Rational exponents intro - 01 - Intro to rational exponents.webm 3.7 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/01 - Quadratic equations_ taking square root - 03 - Solving quadratics by taking square roots_ strategy.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/03 - Solving quadratics by taking square roots - 03 - Solving quadratics by taking square roots_ strategy.webm 3.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 11 - Put writer payoff diagrams.webm 3.7 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/06 - Quadratic standard form - 02 - Graphing quadratics_ standard form.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/08 - Quadratic standard form - 02 - Graphing quadratics_ standard form.webm 3.7 MB
Math by grade/08 - 7th - 06 - Geometry/01 - Area and circumference of circles - 05 - Area of a circle.webm 3.7 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 12 - Area of a circle.webm 3.7 MB
Math by grade/09 - 8th - 05 - Geometry/01 - Angles between intersecting lines - 04 - Measures of angles formed by a transversal.webm 3.7 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 13 - Measures of angles formed by a transversal.webm 3.7 MB
Math by grade/09 - 8th - 01 - Numbers and operations/01 - Repeating decimals - 02 - Converting repeating decimals to fractions (part 1 of 2).webm 3.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 09 - Subtracting rational expressions.webm 3.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 09 - Subtracting rational expressions.webm 3.7 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 08 - Structure in rational expression.webm 3.7 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 08 - Structure in rational expression.webm 3.7 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/01 - Intro to dimensional analysis - 02 - Interpreting units in formulas.webm 3.7 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/04 - Equations word problems - 02 - Sum of integers challenge.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/10 - Linear equations word problems - 02 - Sum of integers challenge.webm 3.7 MB
Computing/04 - Computer animation - 06 - Effects/02 - The physics of particle systems - 02 - Vector addition.webm 3.7 MB
Math by grade/04 - 3rd - 03 - Fractions/04 - Fractions and whole numbers - 02 - Whole numbers as fractions.webm 3.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 08 - Put as insurance.webm 3.7 MB
Math by grade/06 - 5th - 02 - Fractions/04 - Adding and subtracting fractions with unlike denominators word problems - 02 - Subtracting fractions word problem_ tomatoes.webm 3.7 MB
Arts and humanities/01 - World history - 06 - The 20th century/02 - Other fronts of World War I - 02 - Serbian losses in World War I.webm 3.7 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/01 - Absolute value equations - 02 - Worked example_ absolute value equation with two solutions.webm 3.7 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/01 - Combining like terms - 03 - Combining like terms challenge problem.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/07 - Combining like terms - 03 - Combining like terms challenge problem.webm 3.7 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/01 - Intro to variables - 02 - Why aren't we using the multiplication sign_.webm 3.7 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/02 - Introduction to variables - 02 - Why aren't we using the multiplication sign_.webm 3.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 05 - Put vs. short and leverage.webm 3.7 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/01 - Time - 01 - Telling time to the nearest minute (labeled clock).webm 3.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/08 - Muscular system introduction - 11 - Autonomic vs somatic nervous system.webm 3.7 MB
Test prep/02 - MCAT - 07 - Organ systems/15 - Muscular system - 11 - Autonomic vs somatic nervous system.webm 3.7 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/01 - Muscular system - 11 - Autonomic vs somatic nervous system.webm 3.7 MB
Math by grade/08 - 7th - 06 - Geometry/02 - Area and circumference challenge problems - 03 - Impact of increasing the radius.webm 3.7 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/01 - Introduction to logarithms - 04 - Relationship between exponentials and logarithms_ graphs.webm 3.7 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/01 - Introduction to logarithms - 04 - Relationship between exponentials and logarithms_ graphs.webm 3.7 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/02 - What are the complex numbers_ - 02 - How to classify complex numbers (example).webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/09 - Properties of tangents - 02 - Proof_ Segments tangent to circle from outside point are congruent.webm 3.6 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/09 - Properties of tangents - 02 - Proof_ Segments tangent to circle from outside point are congruent.webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/02 - Solving quadratics by factoring - 03 - Solving quadratics using structure.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/05 - Solving quadratics by factoring - 03 - Solving quadratics using structure.webm 3.6 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/02 - Quasars and galactive collisions - 03 - Galactic collisions.webm 3.6 MB
Computing/04 - Computer animation - 12 - Crowds/02 - Counting crowds - 01 - 1. Two headed robots.webm 3.6 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 02 - Optimal angle for a projectile part 2_ Hangtime.webm 3.6 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 02 - Optimal angle for a projectile part 2_ Hangtime.webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/08 - Factoring quadratics_ Difference of squares - 03 - Factoring difference of squares_ analyzing factorization.webm 3.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/01 - Sensory perception - 04 - Absolute threshold of sensation.webm 3.6 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 04 - Slope-intercept equation from slope and point.webm 3.6 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/07 - Writing slope-intercept equations - 02 - Slope-intercept equation from slope and point.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/07 - Writing slope-intercept equations - 02 - Slope-intercept equation from slope and point.webm 3.6 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/05 - Intro to slope-intercept form - 02 - Worked examples_ slope-intercept intro.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/05 - Intro to slope-intercept form - 02 - Worked examples_ slope-intercept intro.webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/11 - Synthetic division of polynomials - 02 - Dividing polynomials_ synthetic division.webm 3.6 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/04 - Synthetic division of polynomials - 02 - Dividing polynomials_ synthetic division.webm 3.6 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 06 - Linear equations word problem_ file transfer.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 06 - Linear equations word problem_ file transfer.webm 3.6 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/02 - Attention and language - 04 - Theories of language development_ Nativist, learning, interactionist.webm 3.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/11 - Language - 03 - Theories of language development_ Nativist, learning, interactionist.webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/02 - Factoring monomials - 02 - Worked example_ finding the missing monomial factor.webm 3.6 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/03 - Spout Bot without Solder - 02 - Connect the SPDT switches.webm 3.6 MB
Math by grade/03 - 2nd - 04 - Measurement and data/08 - Money - 01 - Counting dollars.webm 3.6 MB
Test prep/02 - MCAT - 06 - Cells/02 - Cell-cell interactions - 01 - Cell Junctions.webm 3.6 MB
Test prep/02 - MCAT - 05 - Biomolecules/11 - Principles of bioenergetics - 03 - Heat transfer.webm 3.6 MB
Arts and humanities/04 - Art history/06 - Renaissance and Reformation in Europe - 07 - Northern Renaissance_ 1500s/04 - Albrecht Dürer - 02 - Dürer, Self-portrait (1498).webm 3.6 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 02 - Why S-waves only travel in solids.webm 3.6 MB
Test prep/02 - MCAT - 01 - Critical analysis and reasoning skills practice questions/01 - Critical analysis and reasoning skills (CARS) practice questions - 01 - CARS overview.webm 3.6 MB
Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 05 - Frequency stability property short film.webm 3.6 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/05 - Two-step equations with decimals and fractions - 03 - Find the mistake_ two-step equations.webm 3.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 03 - China buys US bonds.webm 3.6 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 09 - Put-call parity.webm 3.6 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/04 - Irregular verbs - 05 - The truly irregular verbs.webm 3.6 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/07 - Area introduction - 01 - Intro to area and unit squares.webm 3.6 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/08 - Count unit squares to find area - 01 - Intro to area and unit squares.webm 3.6 MB
Math by grade/06 - 5th - 02 - Fractions/03 - Adding and subtracting mixed number with unlike denominators - 04 - Subtracting mixed numbers with regrouping (unlike denominators).webm 3.6 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/01 - Binomial theorem - 04 - Expanding binomials w_o Pascal's triangle.webm 3.6 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/01 - The binomial theorem - 04 - Expanding binomials w_o Pascal's triangle.webm 3.6 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 04 - Open market operations and quantitative easing overview.webm 3.6 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/07 - Nervous system introduction - 01 - Introduction to neural cell types.webm 3.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/01 - Nervous system introduction - 01 - Introduction to neural cell types.webm 3.6 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 01 - Introduction to neural cell types.webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/09 - Polynomials word problems - 01 - Polynomial multiplication word problem.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/09 - Polynomials word problems - 01 - Polynomial multiplication word problem.webm 3.6 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 01 - Adding and subtracting rational expressions_ like denomin.webm 3.6 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 01 - Adding and subtracting rational expressions_ like denominators.webm 3.6 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/04 - Apostrophes and contractions - 02 - Introduction to contractions.webm 3.6 MB
Math by grade/06 - 5th - 04 - Measurement and data/04 - Unit measurement word problems - 02 - Measurement word problem_ tea party.webm 3.6 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/07 - Word problems with 'more' and 'fewer' - 02 - Comparison word problems_ roly-polies.webm 3.6 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 11 - Cyanotic heart diseases - Diagnosis and treatment.webm 3.6 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 11 - Cyanotic heart diseases - Diagnosis and treatment.webm 3.6 MB
Test prep/02 - MCAT - 11 - Behavior/05 - Theories of personality - 03 - Maslow's hierarchy of needs.webm 3.6 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/08 - Maximum and minimum points - 02 - Worked example_ relative maxima and minima.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/08 - Maximum and minimum points - 02 - Worked example_ relative maxima and minima.webm 3.6 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 01 - Basic shorting.webm 3.6 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 02 - Basic shorting.webm 3.6 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/03 - Linking and helping verbs - 02 - Helping verbs.webm 3.6 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 04 - Futures margin mechanics.webm 3.6 MB
Math by grade/04 - 3rd - 03 - Fractions/06 - Equivalent fractions on the number line - 01 - Equivalent fraction visually.webm 3.6 MB
Math by grade/09 - 8th - 01 - Numbers and operations/04 - Approximating irrational numbers - 04 - Comparing values with calculator.webm 3.6 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 04 - Diffie-hellman key exchange.webm 3.6 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 02 - Identity, the body and the subversion of Modernism/01 - United States - 08 - Sherrie Levine, Untitled (After Edward Weston, ca. 1925).webm 3.6 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/10 - Matrices as transformations - 01 - Transforming vectors using matrices.webm 3.6 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/03 - Sleep and consciousness - 05 - Hypnosis and meditation.webm 3.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 07 - Hypnosis and meditation.webm 3.6 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/05 - Dilations - 04 - Determining dilations.webm 3.6 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/05 - Dilations - 04 - Determining dilations.webm 3.6 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/03 - More ways to use commas - 03 - Appositives.webm 3.6 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/02 - Types of nouns - 01 - Common and proper nouns.webm 3.6 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/04 - Evaluating expressions with unknown variables - 01 - Worked example_ evaluating expressions using structure.webm 3.6 MB
Math by grade/02 - 1st - 03 - Measurement and data/01 - Length and size - 02 - Measuring length_ golden statue.webm 3.6 MB
Math by grade/03 - 2nd - 04 - Measurement and data/03 - Length word problems - 02 - Measuring length_ golden statue.webm 3.6 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/02 - Light guitar - 03 - Math block.webm 3.6 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 06 - Math block.webm 3.6 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 06 - Convergence on macro scale.webm 3.6 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/06 - Dividing by zero - 01 - Why dividing by zero is undefined.webm 3.6 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/10 - Division by zero - 01 - Why dividing by zero is undefined.webm 3.6 MB
Science & engineering/05 - Chemistry - 16 - Meet the chemistry professional/01 - Meet the chemistry professional - 01 - Introduction to 'Meet a chemistry professional'.webm 3.6 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/03 - Sleep and consciousness - 03 - Dreaming.webm 3.6 MB
Test prep/02 - MCAT - 10 - Processing the environment/06 - Sleep and consciousness - 03 - Dreaming.webm 3.6 MB
Math by grade/05 - 4th - 08 - Place value and rounding/03 - Ways to write whole numbers (expanded form and written form) - 02 - Writing a number in standard form.webm 3.6 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/05 - Determining precision in descriptive modeling - 01 - Reasonable inferences from estimates.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/06 - Complex conjugates and dividing complex numbers - 02 - Complex number conjugates.webm 3.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 03 - Electrolyte test (pure water vs. vinegar).webm 3.5 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/07 - Basic trigonometric identities - 04 - Tangent identities_ periodicity.webm 3.5 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/04 - Basic trigonometric identities - 04 - Tangent identities_ periodicity.webm 3.5 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/04 - Basic trigonometric identities - 04 - Tangent identities_ periodicity.webm 3.5 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/05 - Multiplying decimals - 04 - Developing strategies for multiplying 2-digit decimals.webm 3.5 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/08 - One and two-step word problems - 04 - 2-step word problem_ theater.webm 3.5 MB
Math by grade/06 - 5th - 05 - Geometry/02 - Coordinate plane word problems - 03 - Interpreting plotted points.webm 3.5 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/12 - Practice dividing polynomials with remainders - 01 - Dividing polynomials with remainders_ monomial divisors.webm 3.5 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/05 - Practice dividing polynomials with remainders - 01 - Dividing polynomials with remainders_ monomial divisors.webm 3.5 MB
Math by grade/06 - 5th - 03 - Place value and decimals/11 - Regrouping decimal numbers - 01 - Regrouping whole numbers_ 675.webm 3.5 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/05 - Exponents with negative bases - 01 - Exponents with negative bases.webm 3.5 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/01 - Intro to ratios - 01 - Intro to ratios.webm 3.5 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 06 - Using inverse trig functions with a calculator.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/01 - The inverse trigonometric functions - 06 - Using inverse trig functions with a calculator.webm 3.5 MB
Arts and humanities/04 - Art history/11 - Global contemporary art - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 14 - Marina Abramović_ The Body as medium.webm 3.5 MB
Math by grade/07 - 6th - 03 - Negative numbers/05 - Absolute value - 02 - Comparing absolute values.webm 3.5 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/12 - Introduction to symmetry of functions - 02 - Graphical symmetry of functions.webm 3.5 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/14 - Introduction to symmetry of functions - 02 - Graphical symmetry of functions.webm 3.5 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/02 - The constant e and the natural logarithm - 03 - Evaluating natural logarithm with calculator.webm 3.5 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/02 - The constant e and the natural logarithm - 03 - Evaluating natural logarithm with calculator.webm 3.5 MB
Math by grade/05 - 4th - 05 - Measurement and data/05 - Converting units of mass - 01 - How to convert kg to mg and T to oz.webm 3.5 MB
Math by grade/01 - Kindergarten - 03 - Measurement and geometry/02 - Basic shapes - 01 - Cousin Fal's shape collection.webm 3.5 MB
Math by grade/02 - 1st - 04 - Geometry/01 - Shapes - 01 - Cousin Fal's shape collection.webm 3.5 MB
Math by grade/03 - 2nd - 05 - Geometry/01 - Shapes - 01 - Cousin Fal's shape collection.webm 3.5 MB
Computing/04 - Computer animation - 09 - Animation/01 - Introduction to animation - 05 - 4. Squash and stretch.webm 3.5 MB
Math by grade/06 - 5th - 02 - Fractions/08 - Multiplying fractions - 03 - Multiplying 2 fractions_ number line.webm 3.5 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 06 - 5. Make a face.webm 3.5 MB
Math by grade/05 - 4th - 06 - Geometry/08 - Decomposing angles - 02 - Decomposing angles.webm 3.5 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/04 - Evaluating expressions word problems - 02 - Evaluating expressions with variables_ cubes.webm 3.5 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/04 - Evaluating expressions word problems - 02 - Evaluating expressions with variables_ cubes.webm 3.5 MB
Math by grade/06 - 5th - 04 - Measurement and data/04 - Unit measurement word problems - 03 - Measurement word problem_ distance home.webm 3.5 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/01 - What are the imaginary numbers_ - 02 - Simplifying roots of negative numbers.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/01 - What are the imaginary numbers_ - 03 - Simplifying roots of negative numbers.webm 3.5 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/10 - Multiply to find area - 02 - Finding missing side when given area.webm 3.5 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/03 - Deflation - 03 - Deflation despite increases in money supply.webm 3.5 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 03 - Deflation despite increases in money supply.webm 3.5 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/03 - 2D vs. 3D objects - 03 - Rotating 2D shapes in 3D.webm 3.5 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/03 - 2D vs. 3D objects - 03 - Rotating 2D shapes in 3D.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 06 - Zero matrix and matrix multiplication.webm 3.5 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/01 - Intro to dimensional analysis - 04 - Appropriate units.webm 3.5 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 01 - Forward contract introduction.webm 3.5 MB
Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 06 - Annual interest varying with debt maturity.webm 3.5 MB
Computing/04 - Computer animation - 13 - Sets and Staging/02 - Mathematics of rotation - 01 - 1. How do we rotate points_.webm 3.5 MB
Math by grade/05 - 4th - 03 - Fractions/09 - Adding and subtracting mixed numbers - 01 - Intro to adding mixed numbers.webm 3.5 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/05 - Factoring quadratics intro - 02 - Factoring quadratics as (x+a)(x+b) (example 2).webm 3.5 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 01 - Factoring quadratics as (x+a)(x+b) (example 2).webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/11 - Challenging complex number problems - 03 - Challenging complex numbers problem (3 of 3).webm 3.5 MB
Test prep/04 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 16 - Challenging complex numbers problem (3 of 3).webm 3.5 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 03 - Deflationary spiral.webm 3.5 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 04 - Deflationary spiral.webm 3.5 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 04 - Dividing decimals with hundredths.webm 3.5 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/03 - Making small numbers - 01 - Making 5.webm 3.5 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 05 - Linear equations word problem_ marbles.webm 3.5 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 05 - Linear equations word problem_ marbles.webm 3.5 MB
Math by grade/05 - 4th - 05 - Measurement and data/01 - Estimating mass - 01 - Metric system_ units of weight.webm 3.5 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/06 - Strategies for adding and subtracting within 100 - 01 - Adding 53+17 by making a group of 10.webm 3.5 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/02 - What are the complex numbers_ - 01 - Intro to complex numbers.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/02 - What are the complex numbers_ - 01 - Intro to complex numbers.webm 3.5 MB
Test prep/02 - MCAT - 13 - Society and culture/01 - Social structures - 07 - Social constructionism.webm 3.5 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/06 - Interest rate swaps - 01 - Interest rate swap 1.webm 3.5 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/04 - Expanded equation of a circle - 01 - Features of a circle from its expanded equation.webm 3.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/12 - Expanded equation of a circle - 01 - Features of a circle from its expanded equation.webm 3.5 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/04 - Expanded equation of a circle - 01 - Features of a circle from its expanded equation.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/04 - Expanded equation of a circle - 01 - Features of a circle from its expanded equation.webm 3.5 MB
Math by grade/08 - 7th - 06 - Geometry/01 - Area and circumference of circles - 03 - Radius and diameter from circumference.webm 3.5 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 13 - Radius and diameter from circumference.webm 3.5 MB
Math by grade/05 - 4th - 03 - Fractions/12 - Multiplying whole numbers and fractions word problems - 02 - Multiplying fractions word problem_ movies.webm 3.5 MB
Math by grade/06 - 5th - 02 - Fractions/07 - Multiplying fractions and whole numbers word problems - 01 - Multiplying fractions word problem_ movies.webm 3.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 01 - Discovery of magnetism.webm 3.5 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/01 - Vector basics - 05 - Components of vectors (example 2).webm 3.5 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/03 - Strategies for adding 2- and 3-digit numbers - 03 - Addition using groups of 10 and 100.webm 3.5 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/01 - Strategies for adding two and three-digit numbers - 02 - Addition using groups of 10 and 100.webm 3.5 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/01 - Intro to Euclidean geometry - 04 - Specifying planes in three dimensions.webm 3.4 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/04 - Multiplying decimals - 03 - Multiplying challenging decimals.webm 3.4 MB
Computing/04 - Computer animation - 03 - Simulation/02 - Code your own simulation - 03 - Damping.webm 3.4 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/05 - Verb aspect_ simple, progressive, and perfect - 03 - Progressive Aspect.webm 3.4 MB
Math by grade/05 - 4th - 06 - Geometry/04 - Measuring angles - 02 - Measuring angles using a protractor.webm 3.4 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 02 - Measuring angles using a protractor.webm 3.4 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/02 - Introduction to semicolons - 02 - Semicolons and complex lists.webm 3.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 04 - Psychoactive drugs_ Hallucinogens.webm 3.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 04 - Psychoactive drugs_ Hallucinogens.webm 3.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 04 - Psychoactive drugs_ Hallucinogens.webm 3.4 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 04 - Call option as leverage.webm 3.4 MB
Computing/04 - Computer animation - 14 - Rendering/02 - Mathematics of Rendering - 06 - 6. 3D ray tracing part 2.webm 3.4 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 02 - Difference between wealth and income.webm 3.4 MB
Math by grade/06 - 5th - 03 - Place value and decimals/04 - Comparing decimals - 01 - Comparing decimals_ 9.97 and 9.798.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 02 - Equations with one rational expression (advanced).webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/05 - Solving rational equations - 02 - Equations with one rational expression (advanced).webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/03 - Finite geometric series - 02 - Geometric series with sigma notation.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/05 - Finite geometric series - 02 - Geometric series with sigma notation.webm 3.4 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/05 - Finite geometric series - 02 - Geometric series with sigma notation.webm 3.4 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 05 - Routes of drug entry.webm 3.4 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 06 - Routes of drug entry.webm 3.4 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 05 - Routes of drug entry.webm 3.4 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 04 - Evaluating quotient of fractional exponents.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 04 - Evaluating quotient of fractional exponents.webm 3.4 MB
Math by grade/04 - 3rd - 03 - Fractions/01 - Fractions intro - 01 - Intro to fractions.webm 3.4 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 05 - Number of solutions to a system of equations.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 05 - Number of solutions to a system of equations.webm 3.4 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/01 - Algebraic equations basics - 02 - Testing solutions to equations.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/01 - Algebraic equations basics - 02 - Testing solutions to equations.webm 3.4 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/02 - Substitution and evaluating expressions - 03 - Evaluating expressions with two variables_ fractions and decimals.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/03 - Substitution and evaluating expressions - 02 - Evaluating expressions with two variables_ fractions and decimals.webm 3.4 MB
Science & engineering/07 - Organic chemistry - 05 - Substitution and elimination reactions/04 - Sn1_Sn2_E1_E2 - 02 - E2 E1 Sn2 Sn1 reactions example 2.webm 3.4 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/12 - Decompose figures to find area - 03 - Decomposing shapes to find area_ subtract.webm 3.4 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 02 - O'Keeffe, The Lawrence Tree.webm 3.4 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/02 - Subtracting 1s, 10s, and 100s - 02 - Subtracting 1s, 10s, and 100s.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/04 - Introduction to radians - 05 - Radian angles and quadrants.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/01 - Introduction to radians - 05 - Radian angles and quadrants.webm 3.4 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/01 - Introduction to radians - 05 - Radian angles and quadrants.webm 3.4 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/06 - Percent problems - 03 - Percent word problem_ 100 is what percent of 80_.webm 3.4 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/03 - Percent word problems - 03 - Percent word problem_ 100 is what percent of 80_.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/02 - Finite arithmetic series - 05 - Proof of finite arithmetic series formula.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/03 - Finite arithmetic series - 05 - Proof of finite arithmetic series formula.webm 3.4 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/03 - Finite arithmetic series - 05 - Proof of finite arithmetic series formula.webm 3.4 MB
Math by grade/04 - 3rd - 03 - Fractions/06 - Equivalent fractions on the number line - 02 - Creating equivalent fractions.webm 3.4 MB
Math by grade/05 - 4th - 03 - Fractions/01 - Equivalent fractions - 02 - Visualizing equivalent fractions.webm 3.4 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/07 - Factoring polynomials with quadratic forms - 01 - Factoring quadratics_ common factor + grouping.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 05 - Factoring quadratics_ common factor + grouping.webm 3.4 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/01 - Introduction to sentences - 03 - Exclamations.webm 3.4 MB
Math by grade/07 - 6th - 08 - Geometry/05 - Volume with fractions - 02 - Volume of a rectangular prism_ fractional dimensions.webm 3.4 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 09 - Comparing linear functions_ table vs. graph.webm 3.4 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/02 - Comparing linear functions - 03 - Comparing linear functions_ table vs. graph.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/02 - Comparing linear functions - 03 - Comparing linear functions_ table vs. graph.webm 3.4 MB
Math by grade/06 - 5th - 03 - Place value and decimals/09 - Multiplying and dividing with powers of 10 - 02 - Multiplying a decimal by a power of 10.webm 3.4 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/11 - Constructing regular polygons inscribed in circles - 02 - Geometric constructions_ circle-inscribed equilateral triangle.webm 3.4 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/13 - Constructing regular polygons inscribed in circles - 02 - Geometric constructions_ circle-inscribed equilateral triangle.webm 3.4 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/04 - Multiply and divide negative fractions - 01 - Multiplying positive and negative fractions.webm 3.4 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 03 - The discrete logarithm problem.webm 3.4 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/03 - Relating multiplication and division - 01 - Relating division to multiplication.webm 3.4 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/01 - Equations with variables on both sides - 03 - Equation with variables on both sides_ fractions.webm 3.4 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/01 - Linear equations with variables on both sides - 04 - Equation with variables on both sides_ fractions.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/07 - Linear equations with variables on both sides - 04 - Equation with variables on both sides_ fractions.webm 3.4 MB
Computing/04 - Computer animation - 04 - Color Science/02 - Color spaces - 03 - CIE chromaticity diagram.webm 3.4 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 05 - Culture lag and culture shock.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 03 - Dividing rational expressions.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 05 - Dividing rational expressions.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 03 - Dividing rational expressions.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 05 - Dividing rational expressions.webm 3.4 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/10 - Patterns in arithmetic - 01 - Finding patterns in numbers.webm 3.4 MB
Math by grade/04 - 3rd - 03 - Fractions/03 - Fractions on the number line - 01 - Fractions on a number line.webm 3.4 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 01 - American call options.webm 3.4 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 12 - Intersectionality.webm 3.4 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/09 - Order of operations - 05 - Order of operations example.webm 3.4 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/07 - Order of operations - 03 - Order of operations example.webm 3.4 MB
Math by grade/07 - 6th - 08 - Geometry/03 - Area of trapezoids and composite figures - 03 - Finding area by rearranging parts.webm 3.4 MB
Math by grade/06 - 5th - 04 - Measurement and data/02 - Finding volume - 02 - Volume in unit cubes by decomposing shape.webm 3.4 MB
Computing/04 - Computer animation - 08 - Rigging/02 - Code a character - 02 - 3. Putting shapes together.webm 3.4 MB
Math by grade/10 - High school/01 - Mathematics I - 02 - Units of measurement in modeling/04 - Word problems with multiple units - 01 - Multiple units word problem_ road trip.webm 3.4 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/11 - Polynomial Remainder Theorem - 04 - Using the Factor Theorem_ finding coefficients.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/06 - Polynomial Remainder Theorem - 04 - Using the Factor Theorem_ finding coefficients.webm 3.4 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/09 - Skeletal system introduction - 05 - Cartilage.webm 3.4 MB
Test prep/02 - MCAT - 07 - Organ systems/16 - Skeletal system - 05 - Cartilage.webm 3.4 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/02 - Skeletal system - 05 - Cartilage.webm 3.4 MB
Computing/04 - Computer animation - 03 - Simulation/02 - Code your own simulation - 02 - 1D spring-mass system.webm 3.4 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/08 - Symmetry - 02 - Intro to rotational symmetry.webm 3.4 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/08 - Symmetry - 02 - Intro to rotational symmetry.webm 3.4 MB
Math by grade/09 - 8th - 04 - Systems of equations/05 - Solving systems with substitution - 05 - Systems of equations with substitution_ y=-5x+8 and 10x+2y=-2.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/02 - Composing functions - 06 - Evaluating composite functions (advanced).webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/02 - Composing functions - 06 - Evaluating composite functions (advanced).webm 3.4 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/01 - Combining like terms - 02 - Simplifying expressions.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/07 - Combining like terms - 02 - Simplifying expressions.webm 3.4 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/09 - Systems of quadratic equations - 05 - Quadratic systems_ a line and a circle.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/02 - Systems of quadratic equations - 05 - Quadratic systems_ a line and a circle.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/02 - Systems of quadratic equations - 05 - Quadratic systems_ a line and a circle.webm 3.4 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/05 - Graphs of radical functions - 03 - Square-root functions and their graphs.webm 3.4 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/05 - Graphs of radical functions - 03 - Square-root functions and their graphs.webm 3.4 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 02 - Converting units_ metric distance.webm 3.4 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/06 - Discovery of resistors - 03 - Variable resistor (pencil).webm 3.4 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/04 - Interpreting function notation - 02 - Function notation word problem_ beach.webm 3.4 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/04 - Interpreting function notation - 02 - Function notation word problem_ beach.webm 3.4 MB
Arts and humanities/05 - Grammar - 06 - Parts of speech_ the preposition and the conjunction/01 - Introduction to prepositions - 04 - Prepositions of neither space nor time.webm 3.4 MB
Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 05 - Another quantitative easing video.webm 3.4 MB
Computing/04 - Computer animation - 05 - Virtual cameras/02 - Mathematics of depth of field - 04 - Out of focus objects.webm 3.4 MB
Computing/01 - Computer programming - 06 - HTML_JS_ Making webpages interactive/05 - DOM events - 01 - Making webpages interactive with events.webm 3.3 MB
Math by grade/06 - 5th - 02 - Fractions/09 - Multiplying mixed numbers - 01 - Multiplying mixed numbers.webm 3.3 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/01 - Adding 1s, 10s, and 100s - 03 - Adding 3-digit numbers (no regrouping).webm 3.3 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/03 - Interpreting the symmetry of algebraic models - 01 - Symmetry of algebraic models.webm 3.3 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/03 - Interpreting the symmetry of algebraic models - 01 - Symmetry of algebraic models.webm 3.3 MB
Math by grade/05 - 4th - 08 - Place value and rounding/06 - Rounding whole numbers - 01 - Rounding whole numbers to nearest hundred.webm 3.3 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/03 - Shifting functions - 02 - Graphing shifted functions.webm 3.3 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/03 - Shifting functions - 02 - Graphing shifted functions.webm 3.3 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/02 - Subtracting 1s, 10s, and 100s - 03 - Subtracting 3-digit numbers (no regrouping).webm 3.3 MB
Math by grade/05 - 4th - 08 - Place value and rounding/06 - Rounding whole numbers - 05 - Rounding whole numbers word problems.webm 3.3 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/03 - Functions and equations - 02 - Obtaining a function from an equation.webm 3.3 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/03 - Functions and equations - 02 - Obtaining a function from an equation.webm 3.3 MB
Math by grade/09 - 8th - 05 - Geometry/02 - Triangle angles - 01 - Angles in a triangle sum to 180° proof.webm 3.3 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 01 - Angles in a triangle sum to 180° proof.webm 3.3 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/03 - Theorems concerning triangle properties - 01 - Angles in a triangle sum to 180° proof.webm 3.3 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 07 - Put payoff diagram.webm 3.3 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/02 - Exponential expressions - 04 - Interpreting exponential expression word problem.webm 3.3 MB
Computing/04 - Computer animation - 14 - Rendering/02 - Mathematics of Rendering - 01 - 1. Ray tracing intuition.webm 3.3 MB
Math by grade/09 - 8th - 01 - Numbers and operations/01 - Repeating decimals - 01 - Converting a fraction to a repeating decimal.webm 3.3 MB
Arts and humanities/05 - Grammar - 05 - Parts of speech_ the modifier/01 - Introduction to adjectives and articles - 02 - Intro to articles.webm 3.3 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 01 - Culture and society.webm 3.3 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/01 - Time - 02 - Telling time to the nearest minute (unlabeled clock).webm 3.3 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/04 - Multiplying monomials - 04 - Multiplying monomials challenge.webm 3.3 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/04 - Multiplying monomials - 04 - Multiplying monomials challenge.webm 3.3 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/06 - Compound inequalities - 01 - Compound inequalities_ OR.webm 3.3 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/05 - Compound inequalities - 01 - Compound inequalities_ OR.webm 3.3 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/06 - Sound (Audition) - 04 - Cochlear implants.webm 3.3 MB
Test prep/02 - MCAT - 10 - Processing the environment/03 - Sound (Audition) - 04 - Cochlear implants.webm 3.3 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/06 - Its vs. it's - 01 - Choosing between its and it’s.webm 3.3 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 04 - Rational number word problem_ ice.webm 3.3 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/08 - Count unit squares to find area - 05 - Creating rectangles with a given area 2.webm 3.3 MB
Science & engineering/10 - Health and medicine - 03 - Circulatory system diseases/12 - Cyanotic heart diseases - 05 - Truncus arteriosus.webm 3.3 MB
Test prep/05 - NCLEX-RN - 03 - Circulatory system diseases/07 - Cyanotic heart diseases - 05 - Truncus arteriosus.webm 3.3 MB
Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 06 - Tax brackets and progressive taxation.webm 3.3 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/03 - Measuring magnetic fields - 03 - Inverse cube law (deflection method).webm 3.3 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/01 - Square-root equations - 02 - Solving square-root equations (basic).webm 3.3 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/01 - Solving square-root equations - 02 - Solving square-root equations (basic).webm 3.3 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/02 - The tenses - 04 - The future tense.webm 3.3 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/05 - Features and forms of quadratic functions - 05 - Comparing maximum points of quadratic functions.webm 3.3 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/06 - Comparing features of functions - 03 - Comparing maximum points of quadratic functions.webm 3.3 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/09 - Features and forms of quadratic functions - 05 - Comparing maximum points of quadratic functions.webm 3.3 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/06 - Comparing features of functions - 03 - Comparing maximum points of quadratic functions.webm 3.3 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/11 - Polynomial Remainder Theorem - 03 - Using the Factor Theorem_ checking factors.webm 3.3 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/06 - Polynomial Remainder Theorem - 03 - Using the Factor Theorem_ checking factors.webm 3.3 MB
Math by grade/03 - 2nd - 04 - Measurement and data/02 - Comparing and estimating length - 01 - Comparing lengths.webm 3.3 MB
Math by grade/05 - 4th - 04 - Decimals/07 - Comparing decimals visually - 01 - Comparing decimals visually.webm 3.3 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 06 - Ependymal cells.webm 3.3 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 06 - Ependymal cells.webm 3.3 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 05 - Ependymal cells.webm 3.3 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 19 - Interpreting futures fair value in the premarket.webm 3.3 MB
Math by grade/03 - 2nd - 04 - Measurement and data/04 - Picture graphs - 02 - Making picture graphs and line plots.webm 3.3 MB
Math by grade/03 - 2nd - 04 - Measurement and data/06 - Line plots - 02 - Making picture graphs and line plots.webm 3.3 MB
Math by grade/07 - 6th - 09 - Data and statistics/07 - Box plots - 04 - Worked example_ Creating a box plot (even number of data points).webm 3.3 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/09 - Order of operations - 03 - Order of operations example.webm 3.3 MB
Math by grade/07 - 6th - 09 - Data and statistics/07 - Box plots - 03 - Worked example_ Creating a box plot (odd number of data points).webm 3.3 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 10 - Non associative learning.webm 3.3 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/01 - Introduction to commas - 01 - Three ways to end a sentence.webm 3.3 MB
Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 04 - Simple analysis of cost per job saved from stimulus.webm 3.3 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/08 - Two-step inequalities - 01 - Two-step inequalities.webm 3.3 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/03 - Two-step inequalities - 01 - Two-step inequalities.webm 3.3 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/01 - Cognition - 04 - Semantic networks and spreading activation.webm 3.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 10 - Semantic networks and spreading activation.webm 3.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 05 - Semantic networks and spreading activation.webm 3.2 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/07 - Comparing exponential and polynomial functions - 01 - Exponential vs. linearmodels_ verbal.webm 3.2 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/01 - Exponential vs. linear growth - 03 - Exponential vs. linearmodels_ verbal.webm 3.2 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 11 - Safety and ethics of DNA technologies.webm 3.2 MB
Science & engineering/01 - Physics - 08 - Oscillations and mechanical waves/04 - Sound - 05 - Mach numbers.webm 3.2 MB
Science & engineering/02 - AP Physics 1 - 08 - Oscillations and mechanical waves/04 - Sound - 05 - Mach numbers.webm 3.2 MB
Computing/01 - Computer programming - 02 - Intro to HTML_CSS_ Making webpages/04 - CSS text properties - 01 - CSS Zen Garden.webm 3.2 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/09 - Properties of tangents - 04 - Tangents of circles problem (example 2).webm 3.2 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/09 - Properties of tangents - 04 - Tangents of circles problem (example 2).webm 3.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/03 - Intercepts - 02 - Intercepts from a table.webm 3.2 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 04 - Intercepts from a table.webm 3.2 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 04 - Intercepts from a table.webm 3.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/01 - Self-identity - 10 - Charles Cooley- Looking glass self.webm 3.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/06 - Self-presentation and interacting with others - 01 - Charles Cooley- Looking glass self.webm 3.2 MB
Math by grade/05 - 4th - 03 - Fractions/11 - Multiplying whole numbers and fractions - 01 - Multiplying fractions and whole numbers visually.webm 3.2 MB
Math by grade/06 - 5th - 02 - Fractions/06 - Multiplying fractions and whole numbers - 04 - Multiplying fractions and whole numbers visually.webm 3.2 MB
Math by grade/06 - 5th - 02 - Fractions/14 - Dividing fractions and whole numbers word problems - 02 - Dividing fractions by whole numbers_ studying.webm 3.2 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/04 - Irregular plural nouns_ mutant and foreign plurals - 01 - Irregular plural nouns – the MUTANT PLURALS.webm 3.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/09 - Linear and nonlinear functions - 01 - Recognizing linear functions.webm 3.2 MB
Math by grade/08 - 7th - 06 - Geometry/05 - Constructing triangles - 02 - Construct a triangle with constraints.webm 3.2 MB
Math by grade/09 - 8th - 04 - Systems of equations/05 - Solving systems with substitution - 03 - Systems of equations with substitution_ -3x-4y=-2 and y=2x-5.webm 3.2 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/04 - Solving systems of equations with substitution - 02 - Systems of equations with substitution_ -3x-4y=-2 and y=2x-5.webm 3.2 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 04 - Factoring perfect squares_ common factor.webm 3.2 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 02 - Systems of equations with elimination_ x+2y=6 and 4x-2y=14.webm 3.2 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/02 - Addition within 20 - 01 - Adding 7 + 6.webm 3.2 MB
Math by grade/06 - 5th - 04 - Measurement and data/04 - Unit measurement word problems - 04 - Measurement word problem_ blood drive.webm 3.2 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 03 - Motivation for the futures exchange.webm 3.2 MB
Math by grade/05 - 4th - 05 - Measurement and data/02 - Estimating volume - 01 - Metric system_ units of volume.webm 3.2 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/02 - Introduction to semicolons - 01 - Introduction to the semicolon.webm 3.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/08 - Introduction to the Pythagorean trigonometric identity - 01 - Intro to the Pythagorean trig identity.webm 3.2 MB
Test prep/02 - MCAT - 06 - Cells/06 - Cytoskeleton - 02 - Microfilaments and intermediate filaments.webm 3.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/10 - Sine and cosine of complementary angles - 01 - Sine and cosine of complementary angles.webm 3.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/09 - Sine and cosine of complementary angles - 01 - Sine and cosine of complementary angles.webm 3.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/06 - Sine and cosine of complementary angles - 01 - Sine and cosine of complementary angles.webm 3.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/06 - Sine and cosine of complementary angles - 02 - Sine and cosine of complementary angles.webm 3.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 05 - Equations vs. functions.webm 3.2 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/03 - Functions and equations - 01 - Equations vs. functions.webm 3.2 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/03 - Functions and equations - 01 - Equations vs. functions.webm 3.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/03 - Intercepts - 03 - Intercepts from an equation.webm 3.2 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 03 - Intercepts from an equation.webm 3.2 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 03 - Intercepts from an equation.webm 3.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/02 - Perception, prejudice, and bias - 05 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 12 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.2 MB
Test prep/02 - MCAT - 12 - Individuals and society/08 - Discrimination - 02 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.2 MB
Test prep/02 - MCAT - 14 - Social inequality/01 - Social inequality - 10 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.2 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/11 - Polynomial Remainder Theorem - 02 - Using the Polynomial Remainder Theorem_ finding remainders.webm 3.2 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/06 - Polynomial Remainder Theorem - 02 - Using the Polynomial Remainder Theorem_ finding remainders.webm 3.2 MB
Math by grade/07 - 6th - 04 - Properties of numbers/03 - Least common multiple - 01 - Least common multiple.webm 3.2 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 05 - Least common multiple.webm 3.2 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 05 - Least common multiple.webm 3.2 MB
Math by grade/05 - 4th - 04 - Decimals/08 - Comparing decimals - 02 - Comparing decimals 1.webm 3.2 MB
Arts and humanities/05 - Grammar - 09 - Syntax_ sentences and clauses/03 - Subjects and predicates - 01 - Subjects and predicates.webm 3.2 MB
Math by grade/05 - 4th - 06 - Geometry/01 - Lines, line segments, and rays - 02 - Lines, line segments, and rays.webm 3.2 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/01 - Intro to Euclidean geometry - 03 - Lines, line segments, and rays.webm 3.2 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 08 - Aging and cognitive abilities.webm 3.2 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 08 - Aging and cognitive abilities.webm 3.2 MB
Math by grade/08 - 7th - 06 - Geometry/04 - Missing angle problems - 01 - Find measure of vertical angles.webm 3.2 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/04 - Natural and forced response - 08 - RC natural response - example.webm 3.2 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 06 - RSA encryption_ Step 2.webm 3.2 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/08 - Adding 1s and 10s - 02 - Understanding place value when adding tens.webm 3.2 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/02 - Adding 1s and 10s - 02 - Understanding place value when adding tens.webm 3.2 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/05 - Indefinite pronouns, pronoun vagueness, and emphatic pronouns - 02 - Emphatic pronouns.webm 3.2 MB
Math by grade/05 - 4th - 04 - Decimals/02 - Decimals on the number line - 04 - Identifying hundredths on a number line.webm 3.2 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/10 - Sine and cosine of complementary angles - 02 - Using complementary angles.webm 3.2 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/09 - Sine and cosine of complementary angles - 02 - Using complementary angles.webm 3.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/06 - Sine and cosine of complementary angles - 02 - Using complementary angles.webm 3.2 MB
Math by grade/10 - High school/08 - Trigonometry - 01 - Trigonometry with right triangles/06 - Sine and cosine of complementary angles - 03 - Using complementary angles.webm 3.2 MB
Computing/04 - Computer animation - 14 - Rendering/02 - Mathematics of Rendering - 03 - 3. Calculate intersection point.webm 3.2 MB
Math by grade/06 - 5th - 03 - Place value and decimals/11 - Regrouping decimal numbers - 04 - Regrouping with decimals_ 21.3.webm 3.2 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/03 - Deflation - 02 - Velocity of money rather than quantity driving prices.webm 3.1 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 02 - Velocity of money rather than quantity driving prices.webm 3.1 MB
Math by grade/04 - 3rd - 03 - Fractions/02 - What fractions mean - 01 - More than one equal section.webm 3.1 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/05 - Modeling situations by combining and composing functions - 01 - Modeling with function combination.webm 3.1 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/05 - Modeling situations by combining and composing functions - 01 - Modeling with function combination.webm 3.1 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/05 - Intro to subtraction with 2-digit numbers - 03 - Subtracting a 1-digit number with regrouping.webm 3.1 MB
Math by grade/05 - 4th - 03 - Fractions/03 - Comparing fractions with unlike denominators visually - 02 - Comparing fractions_ number line.webm 3.1 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/08 - One and two-step word problems - 03 - 2-step word problem_ running.webm 3.1 MB
Math by grade/05 - 4th - 04 - Decimals/01 - Intro to decimals - 03 - Writing decimal numbers shown in grids.webm 3.1 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 04 - Simplifying rational expressions_ opposite common binomial factors.webm 3.1 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 04 - Simplifying rational expressions_ opposite common binomial factors.webm 3.1 MB
Math by grade/03 - 2nd - 04 - Measurement and data/01 - Measuring length - 02 - Measuring lengths with different units.webm 3.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/02 - Understanding the binomial theorem - 01 - Binomial expansion and combinatorics.webm 3.1 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/02 - Understanding the binomial theorem - 01 - Binomial expansion and combinatorics.webm 3.1 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/03 - The distributive property - 03 - Factor with the distributive property.webm 3.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 07 - Comparing linear functions word problem_ walk.webm 3.1 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/02 - Comparing linear functions - 05 - Comparing linear functions word problem_ walk.webm 3.1 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/02 - Comparing linear functions - 05 - Comparing linear functions word problem_ walk.webm 3.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 09 - Perimeter and area of composite shapes.webm 3.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 03 - American put options.webm 3.1 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 08 - Using identity and zero matrices.webm 3.1 MB
Math by grade/09 - 8th - 01 - Numbers and operations/09 - Scientific notation intro - 01 - Scientific notation example_ 0.0000000003457.webm 3.1 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/01 - Time - 05 - Time word problem_ travel time.webm 3.1 MB
Math by grade/05 - 4th - 05 - Measurement and data/04 - Time - 04 - Time word problem_ travel time.webm 3.1 MB
Math by grade/05 - 4th - 05 - Measurement and data/08 - Converting units of time - 02 - Time word problem_ travel time.webm 3.1 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/06 - Discovery of resistors - 01 - Series load.webm 3.1 MB
Computing/04 - Computer animation - 08 - Rigging/02 - Code a character - 03 - 4. Functions.webm 3.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 06 - Call payoff diagram.webm 3.1 MB
Math by grade/05 - 4th - 05 - Measurement and data/04 - Time - 01 - Finding reasonable unit of measurement example.webm 3.1 MB
Math by grade/07 - 6th - 03 - Negative numbers/03 - Number opposites - 01 - Number opposites.webm 3.1 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 03 - Psychoactive drugs_ Stimulants.webm 3.1 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 03 - Psychoactive drugs_ Stimulants.webm 3.1 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 03 - Psychoactive drugs_ Stimulants.webm 3.1 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 07 - Using properties of matrix operations.webm 3.1 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/01 - Intro to ratios - 02 - Ratios as fractions.webm 3.1 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/02 - Finite arithmetic series - 01 - Arithmetic series intro.webm 3.1 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/03 - Finite arithmetic series - 01 - Arithmetic series intro.webm 3.1 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/03 - Finite arithmetic series - 01 - Arithmetic series intro.webm 3.1 MB
Math by grade/08 - 7th - 06 - Geometry/01 - Area and circumference of circles - 06 - Partial circle area and arc length.webm 3.1 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/01 - Basic sigma notation - 01 - Summation notation for sums.webm 3.1 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/02 - Basic sigma notation - 01 - Summation notation for sums.webm 3.1 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/02 - Basic sigma notation - 01 - Summation notation for sums.webm 3.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/02 - Light guitar - 02 - Data wires.webm 3.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 08 - Data wires.webm 3.1 MB
Math by grade/09 - 8th - 06 - Data and modeling/03 - Estimating lines of best fit - 03 - Interpreting a trend line.webm 3.1 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/02 - Estimating with trend lines - 03 - Interpreting a trend line.webm 3.1 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/02 - Estimating with trend lines - 03 - Interpreting a trend line.webm 3.1 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 08 - Severe contango generally bearish.webm 3.1 MB
Math by grade/08 - 7th - 06 - Geometry/06 - Slicing geometric shapes - 01 - Slicing a rectangular pyramid.webm 3.1 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/03 - 2D vs. 3D objects - 01 - Slicing a rectangular pyramid.webm 3.1 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/03 - 2D vs. 3D objects - 01 - Slicing a rectangular pyramid.webm 3.1 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 06 - Expressing cloned genes.webm 3.1 MB
Math by grade/04 - 3rd - 03 - Fractions/07 - Comparing fractions - 03 - Comparing fractions with the same denominator.webm 3.1 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/08 - Count unit squares to find area - 02 - Measuring rectangles with different unit squares.webm 3.1 MB
Math by grade/07 - 6th - 08 - Geometry/03 - Area of trapezoids and composite figures - 02 - Area of kites.webm 3.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 05 - Area of kites.webm 3.1 MB
Math by grade/06 - 5th - 03 - Place value and decimals/11 - Regrouping decimal numbers - 05 - Regrouping with decimals_ 86.93.webm 3.1 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/02 - Intro to subtracting negative numbers - 01 - Adding and subtracting negative numbers.webm 3.1 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/01 - Introduction to logarithms - 02 - Evaluating logarithms (advanced).webm 3.1 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/01 - Introduction to logarithms - 02 - Evaluating logarithms (advanced).webm 3.1 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/08 - Introduction to hyperbolas - 03 - Vertices and direction of a hyperbola (example 2).webm 3.1 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/06 - Strategies for adding and subtracting within 100 - 03 - Strategies for adding 2-digit numbers.webm 3.1 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/11 - Skip-counting - 03 - Skip-counting by 100s.webm 3.1 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/07 - Pulmonary hypertension - 04 - Pulmonary hypertension diagnosis Swan Ganz catheterization.webm 3.1 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 04 - Pulmonary hypertension diagnosis Swan Ganz catheterization.webm 3.1 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/01 - Exponential vs. linear growth - 02 - Exponential vs. linear growth.webm 3.1 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 15 - Spider's romance.webm 3.1 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 04 - Finding an error in polynomial subtraction.webm 3.1 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 04 - Finding an error in polynomial subtraction.webm 3.1 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/03 - Rotations - 01 - Determining rotations.webm 3.0 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/03 - Rotations - 01 - Determining rotations.webm 3.0 MB
Math by grade/06 - 5th - 02 - Fractions/15 - Rewriting fractions as decimals - 01 - Rewriting a fraction as a decimal_ 3_5.webm 3.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/08 - DNA technology - 09 - Gene expression and function.webm 3.0 MB
Computing/04 - Computer animation - 06 - Effects/01 - Introduction to particle systems - 06 - What else can you make with particle systems_.webm 3.0 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 04 - 3. Tree challenge.webm 3.0 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 06 - Equation with two rational expressions (old example 2).webm 3.0 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 01 - Rational number word problem_ school report.webm 3.0 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/05 - Exponents with negative bases - 06 - Powers of zero.webm 3.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/07 - Exponent properties (integer exponents) - 03 - Powers of zero.webm 3.0 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 03 - Dividing a whole number by a decimal.webm 3.0 MB
Math by grade/07 - 6th - 03 - Negative numbers/03 - Number opposites - 03 - Number opposites challenge problems.webm 3.0 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/05 - Teens - 02 - Teen numbers_ monkeys.webm 3.0 MB
Math by grade/08 - 7th - 07 - Statistics and probability/01 - Basic probability - 02 - Simple probability_ yellow marble.webm 3.0 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/01 - Probability basics - 02 - Simple probability_ yellow marble.webm 3.0 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/01 - Probability basics - 02 - Simple probability_ yellow marble.webm 3.0 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/01 - Basic probability - 02 - Simple probability_ yellow marble.webm 3.0 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/05 - Equations and geometry - 01 - Equation practice with segment addition.webm 3.0 MB
Computing/04 - Computer animation - 05 - Virtual cameras/02 - Mathematics of depth of field - 05 - Algebra of focus.webm 3.0 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 02 - What is inflation.webm 3.0 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 05 - 4. Modeling grass.webm 3.0 MB
Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/04 - Monetary and fiscal policy - 02 - Tax lever of fiscal policy.webm 3.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/09 - Linear and nonlinear functions - 03 - Linear and nonlinear functions_ word problem.webm 3.0 MB
Math by grade/02 - 1st - 03 - Measurement and data/02 - Bar graphs - 01 - Reading bar graphs_ dog bones.webm 3.0 MB
Computing/04 - Computer animation - 06 - Effects/02 - The physics of particle systems - 03 - Understanding net forces.webm 3.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/06 - Discovery of resistors - 02 - Pencil resistor.webm 3.0 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/04 - Apostrophes and contractions - 03 - Apostrophes and plurals.webm 3.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/08 - Electrostatics - 01 - Discovery of triboelectric effect.webm 3.0 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/03 - Standard equation of a circle - 01 - Features of a circle from its standard equation.webm 3.0 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/11 - Standard equation of a circle - 01 - Features of a circle from its standard equation.webm 3.0 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/03 - Standard equation of a circle - 01 - Features of a circle from its standard equation.webm 3.0 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/03 - Standard equation of a circle - 01 - Features of a circle from its standard equation.webm 3.0 MB
Math by grade/09 - 8th - 05 - Geometry/03 - Pythagorean theorem - 02 - Pythagorean theorem example.webm 3.0 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 04 - Pythagorean theorem example.webm 3.0 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 04 - Pythagorean theorem example.webm 3.0 MB
Math by grade/07 - 6th - 08 - Geometry/07 - Polygons on the coordinate plane - 03 - Coordinates of a missing vertex.webm 3.0 MB
Math by grade/05 - 4th - 02 - Multiplication and division/07 - Multi-digit division - 02 - Long division_ 280÷5.webm 3.0 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/09 - Order of operations - 02 - Order of operations examples_ exponents.webm 3.0 MB
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/01 - Circuit elements - 02 - Ideal sources.webm 3.0 MB
Math by grade/09 - 8th - 01 - Numbers and operations/02 - Square roots and cube roots - 04 - Square root of decimal.webm 3.0 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 04 - Square root of decimal.webm 3.0 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 04 - Square root of decimal.webm 3.0 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 06 - Futures and forward curves.webm 3.0 MB
Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/02 - GDP and the circular flow of income and expenditures - 03 - More on final and intermediate GDP contributions.webm 3.0 MB
Math by grade/06 - 5th - 02 - Fractions/10 - Multiplying fractions word problems - 01 - Multiplying fractions word problem_ muffins.webm 3.0 MB
Math by grade/03 - 2nd - 04 - Measurement and data/04 - Picture graphs - 01 - Picture graphs.webm 3.0 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/04 - Multiply and divide negative fractions - 02 - Dividing negative fractions.webm 3.0 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/01 - A beginner's guide to ancient Greece - 05 - Sprinter on a vase from Rhodes and a bronze running girl.webm 3.0 MB
Arts and humanities/05 - Grammar - 02 - Parts of speech_ the noun/03 - Irregular plural nouns_ base plurals and irregular endings - 01 - Irregular plural nouns – -f to -ves.webm 3.0 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/07 - Percent word problems - 03 - Percent word problem_ penguins.webm 3.0 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 04 - Jim goes to college subculture.webm 3.0 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/03 - Subtracting with regrouping within 1000 - 03 - Worked example_ Subtracting 3-digit numbers (regrouping twice).webm 3.0 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 03 - Worked example_ Subtracting 3-digit numbers (regrouping twice).webm 3.0 MB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 07 - Reflecting points in the coordinate plane.webm 3.0 MB
Computing/04 - Computer animation - 04 - Color Science/02 - Color spaces - 01 - Introduction to color space.webm 3.0 MB
Math by grade/03 - 2nd - 05 - Geometry/02 - Fractions of shapes - 01 - Equal parts of circles and rectangles.webm 3.0 MB
Computing/04 - Computer animation - 05 - Virtual cameras/02 - Mathematics of depth of field - 03 - Simple lens law.webm 3.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 04 - Reverse electrodes (polarity).webm 2.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/05 - Solving systems with substitution - 02 - Systems of equations with substitution_ y=4x-17.5 and y+2x=6.5.webm 2.9 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/05 - Introduction to the domain and range of a function - 04 - Worked example_ domain and range from graph.webm 2.9 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/05 - Introduction to the domain and range of a function - 04 - Worked example_ domain and range from graph.webm 2.9 MB
Math by grade/06 - 5th - 03 - Place value and decimals/01 - Decimal place value intro - 01 - Decimal place value.webm 2.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/07 - Systems of equations word problems - 01 - Age word problem_ Imran.webm 2.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/08 - Systems of equations word problems - 01 - Age word problem_ Imran.webm 2.9 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 07 - Area of a quadrilateral on a grid.webm 2.9 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/02 - Real and nominal return - 02 - Calculating real return in last year dollars.webm 2.9 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/03 - Real and nominal return - 02 - Calculating real return in last year dollars.webm 2.9 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 01 - Credit default swaps (CDS) intro.webm 2.9 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/15 - Perimeter word problems - 02 - Perimeter word problem_ skating rink.webm 2.9 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/03 - Rational exponents intro - 03 - Exponential equation with rational answer.webm 2.9 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/03 - Rational exponents intro - 03 - Exponential equation with rational answer.webm 2.9 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/05 - Multiplying decimals - 01 - Intro to multiplying decimals.webm 2.9 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/04 - Multiplying decimals - 01 - Intro to multiplying decimals.webm 2.9 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/02 - Solutions to linear equations - 03 - Testing solutions to linear equations.webm 2.9 MB
Test prep/03 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 22 - GMAT_ Data sufficiency 21 (correction).webm 2.9 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/11 - Area and the distributive property - 01 - Area and the distributive property.webm 2.9 MB
Math by grade/05 - 4th - 05 - Measurement and data/12 - Line plots with fractions - 01 - Reading a line plot with fractions.webm 2.9 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/01 - Factors and multiples - 02 - Finding factors and multiples.webm 2.9 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/13 - Perimeter - 01 - Perimeter_ introduction.webm 2.9 MB
Math by grade/05 - 4th - 03 - Fractions/08 - Mixed numbers - 02 - Rewriting improper fractions as mixed numbers.webm 2.9 MB
Math by grade/05 - 4th - 02 - Multiplication and division/08 - Remainders - 01 - Intro to remainders.webm 2.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 04 - Multiplying rational expressions_ multiple variables.webm 2.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/03 - Multiplying and dividing rational expressions - 06 - Multiplying rational expressions_ multiple variables.webm 2.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 04 - Multiplying rational expressions_ multiple variables.webm 2.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/02 - Multiplying and dividing rational expressions - 06 - Multiplying rational expressions_ multiple variables.webm 2.9 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/06 - Writing basic algebraic expressions word problems - 01 - Writing basic expressions word problems.webm 2.9 MB
Computing/01 - Computer programming - 06 - HTML_JS_ Making webpages interactive/01 - Get ready to make your webpages interactive - 01 - Welcome to making webpages interactive.webm 2.9 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/01 - Combining functions - 02 - Subtracting functions.webm 2.9 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/01 - Combining functions - 02 - Subtracting functions.webm 2.9 MB
Computing/04 - Computer animation - 09 - Animation/02 - Mathematics of animation curves - 02 - 2. Repeated linear interpolation.webm 2.9 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/05 - Verb aspect_ simple, progressive, and perfect - 04 - Perfect Aspect.webm 2.9 MB
Arts and humanities/04 - Art history/01 - Art history basics - 01 - First things first/01 - First things first - 01 - Why look at art_.webm 2.9 MB
Math by grade/05 - 4th - 05 - Measurement and data/08 - Converting units of time - 03 - Time word problem_ Susan's break.webm 2.9 MB
Math by grade/06 - 5th - 04 - Measurement and data/04 - Unit measurement word problems - 01 - Time word problem_ Susan's break.webm 2.9 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/03 - Deflation - 01 - Deflation.webm 2.9 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 01 - Deflation.webm 2.9 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/09 - Multiplying by tens - 02 - Multiplying by tens word problem.webm 2.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/04 - Ant bot - 03 - Move block.webm 2.9 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 01 - Move block.webm 2.9 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/02 - Discovery of magnetic fields - 03 - Discovery of magnetic fields.webm 2.9 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 02 - Stagflation.webm 2.9 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/02 - Inflation scenarios - 02 - Stagflation.webm 2.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 02 - Analyzing structure word problem_ pet store (2 of 2).webm 2.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 02 - Analyzing structure word problem_ pet store (2 of 2).webm 2.9 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/03 - Quadratic equations_ completing the square - 02 - Worked example_ Rewriting expressions by completing the square.webm 2.9 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/06 - Completing the square - 03 - Worked example_ Rewriting expressions by completing the square.webm 2.9 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/03 - Quadratic equations_ completing the square - 06 - Worked example_ Completing the square (intro).webm 2.9 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/06 - Completing the square - 02 - Worked example_ Completing the square (intro).webm 2.9 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 01 - Parallel lines from equation.webm 2.9 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 03 - Using the cosine double-angle identity.webm 2.9 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/05 - Introduction to the trigonometric angle addition identities - 03 - Using the cosine double-angle identity.webm 2.9 MB
Arts and humanities/01 - World history - 06 - The 20th century/01 - Beginning of World War I - 02 - German and Italian Empires in 1914.webm 2.9 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/04 - Working with triangles - 04 - Finding angles in isosceles triangles (example 2).webm 2.9 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/01 - Cognition - 06 - Aging and cognitive abilities.webm 2.9 MB
Test prep/02 - MCAT - 10 - Processing the environment/10 - Cognition - 08 - Aging and cognitive abilities.webm 2.9 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/01 - Absolute value equations - 04 - Worked example_ absolute value equations with no solution.webm 2.9 MB
Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 01 - Accumulating foreign currency reserves.webm 2.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 08 - Social support.webm 2.9 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 15 - Social support.webm 2.9 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 07 - Recognizing functions from verbal description word problem.webm 2.9 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/07 - Recognizing functions - 05 - Recognizing functions from verbal description word problem.webm 2.9 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/07 - Recognizing functions - 05 - Recognizing functions from verbal description word problem.webm 2.9 MB
Science & engineering/10 - Health and medicine - 02 - Advanced circulatory system physiology/02 - Blood pressure - 05 - Adding up resistance problem.webm 2.9 MB
Test prep/05 - NCLEX-RN - 02 - Circulatory system physiology/02 - Blood pressure - 05 - Adding up resistance problem.webm 2.9 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/02 - Combining like terms - 03 - Combining like terms example.webm 2.9 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 01 - Defined matrix operations.webm 2.9 MB
Math by grade/05 - 4th - 03 - Fractions/12 - Multiplying whole numbers and fractions word problems - 03 - Multiplying fractions by whole numbers word problem.webm 2.8 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/02 - Graphing two-variable inequalities - 03 - Two-variable inequalities from their graphs.webm 2.8 MB
Arts and humanities/04 - Art history/10 - Expressionism to Pop Art - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 05 - Brancusi, Bird in Space.webm 2.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 18 - Futures fair value in the pre-market.webm 2.8 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/12 - Decompose figures to find area - 01 - Decomposing shapes to find area_ grids.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/07 - Fundamental theorem of Algebra - 03 - Number of possible real roots of a polynomial.webm 2.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/09 - The Fundamental Theorem of Algebra - 03 - Number of possible real roots of a polynomial.webm 2.8 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 01 - Zinc copper cell (reduction-oxidation).webm 2.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 12 - Call writer payoff diagram.webm 2.8 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/02 - Real and nominal return - 01 - Real and nominal return.webm 2.8 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/03 - Real and nominal return - 01 - Real and nominal return.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/03 - Finite geometric series - 03 - Worked example_ finite geometric series (sigma notation).webm 2.8 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/05 - Finite geometric series - 03 - Worked example_ finite geometric series (sigma notation).webm 2.8 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/05 - Finite geometric series - 03 - Worked example_ finite geometric series (sigma notation).webm 2.8 MB
Math by grade/05 - 4th - 08 - Place value and rounding/02 - How 10 relates to place value - 03 - Understanding place value.webm 2.8 MB
Math by grade/05 - 4th - 06 - Geometry/05 - Constructing angles - 01 - Constructing angles.webm 2.8 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 01 - Writing two-variable inequalities word problem.webm 2.8 MB
Math by grade/05 - 4th - 02 - Multiplication and division/02 - Multi-digit multiplication_ place value and area models - 03 - Multiplying with area model_ 6 x 7981.webm 2.8 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/04 - Intro to percents - 03 - Converting percents to decimals and fractions example.webm 2.8 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/02 - Factoring monomials - 04 - Greatest common factor of monomials.webm 2.8 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/01 - Converting fractions to decimals - 04 - Fraction to decimal with rounding.webm 2.8 MB
Math by grade/06 - 5th - 03 - Place value and decimals/09 - Multiplying and dividing with powers of 10 - 03 - Dividing a decimal by a power of 10.webm 2.8 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 03 - Similarity.webm 2.8 MB
Math by grade/06 - 5th - 02 - Fractions/15 - Rewriting fractions as decimals - 03 - Rewriting a fraction as a decimal_ 21_60.webm 2.8 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/01 - Equations with variables on both sides - 02 - Equations with variables on both sides_ 20-7x=6x-6.webm 2.8 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/01 - Linear equations with variables on both sides - 03 - Equations with variables on both sides_ 20-7x=6x-6.webm 2.8 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/07 - Linear equations with variables on both sides - 03 - Equations with variables on both sides_ 20-7x=6x-6.webm 2.8 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/01 - Introduction to arithmetic sequences - 05 - Worked example_ using recursive formula for arithmetic sequence.webm 2.8 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/01 - Introduction to arithmetic sequences - 05 - Worked example_ using recursive formula for arithmetic sequence.webm 2.8 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/01 - Graphing proportional relationships - 02 - Rates and proportional relationships_ gas mileage.webm 2.8 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/04 - Angle bisector theorem - 02 - Using the angle bisector theorem.webm 2.8 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/04 - Angle bisector theorem - 02 - Using the angle bisector theorem.webm 2.8 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/07 - Electric motor - 01 - Spinning compass.webm 2.8 MB
Test prep/03 - GMAT - 01 - Problem solving/01 - Problem solving - 31 - GMAT_ Math 31.webm 2.8 MB
Math by grade/04 - 3rd - 03 - Fractions/04 - Fractions and whole numbers - 01 - Representing 1 as a fraction.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 07 - Equation with two rational expressions (old example 3).webm 2.8 MB
Math by grade/05 - 4th - 02 - Multiplication and division/09 - Multiplication, division word problems - 01 - Division word problem_ field goals.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/11 - Modeling with rational functions - 07 - Reasoning about unknown variables_ divisibility.webm 2.8 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/10 - Modeling with rational functions - 07 - Reasoning about unknown variables_ divisibility.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/01 - Square-root equations - 03 - Solving square-root equations_ one solution.webm 2.8 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/01 - Solving square-root equations - 03 - Solving square-root equations_ one solution.webm 2.8 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/09 - Systems of quadratic equations - 04 - Quadratic systems_ both variables are squared.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/02 - Systems of quadratic equations - 04 - Quadratic systems_ both variables are squared.webm 2.8 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/02 - Systems of quadratic equations - 04 - Quadratic systems_ both variables are squared.webm 2.8 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/01 - What is addition_ What is subtraction_ - 02 - Intro to subtraction.webm 2.8 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/01 - Combining functions - 03 - Multiplying functions.webm 2.8 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/01 - Combining functions - 03 - Multiplying functions.webm 2.8 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 11 - Prejudice vs discrimination.webm 2.8 MB
Computing/04 - Computer animation - 12 - Crowds/02 - Counting crowds - 02 - 2. Snake bots.webm 2.8 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/05 - Multi-step inequalities - 02 - Inequalities with variables on both sides (with parentheses).webm 2.8 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/04 - Multi-step inequalities - 02 - Inequalities with variables on both sides (with parentheses).webm 2.8 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 02 - China/02 - A beginner's guide to Imperial China - 05 - Ascending the Heron Tower written in cursive script.webm 2.8 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/01 - Graphing proportional relationships - 05 - Graphing proportional relationships from an equation.webm 2.8 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/07 - Special products of binomials - 04 - Squaring binomials of the form (ax+b)².webm 2.8 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/07 - Special products of binomials - 04 - Squaring binomials of the form (ax+b)².webm 2.8 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/02 - Identifying proportional relationships - 02 - Is side length and perimeter proportional_.webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 05 - Factoring perfect squares_ negative common factor.webm 2.7 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/04 - Factoring polynomials - Special product forms - 03 - Factoring perfect squares_ negative common factor.webm 2.7 MB
Math by grade/09 - 8th - 04 - Systems of equations/05 - Solving systems with substitution - 06 - Systems of equations with substitution_ y=-1_4x+100 and y=-1_4x+120.webm 2.7 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/09 - Intro to addition with 2-digit numbers - 05 - Adding by making a group of 10.webm 2.7 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/04 - Intro to addition with 2-digit numbers - 05 - Adding by making a group of 10.webm 2.7 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/06 - Strategies for adding and subtracting within 100 - 02 - Adding by making a group of 10.webm 2.7 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/01 - Solving equations by graphing - 02 - Interpreting equations graphically (example 2).webm 2.7 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/01 - Solving equations by graphing - 02 - Interpreting equations graphically (example 2).webm 2.7 MB
Science & engineering/10 - Health and medicine - 01 - Human anatomy and physiology/09 - Skeletal system introduction - 06 - Ligaments, tendons, and joints.webm 2.7 MB
Test prep/02 - MCAT - 07 - Organ systems/16 - Skeletal system - 06 - Ligaments, tendons, and joints.webm 2.7 MB
Test prep/05 - NCLEX-RN - 14 - Muscular-skeletal system physiology/02 - Skeletal system - 06 - Ligaments, tendons, and joints.webm 2.7 MB
Science & engineering/10 - Health and medicine - 17 - Mental health/01 - Drug abuse and drug addictions - 06 - Drug dependence and homeostasis.webm 2.7 MB
Test prep/02 - MCAT - 10 - Processing the environment/07 - Drug dependence - 05 - Drug dependence and homeostasis.webm 2.7 MB
Test prep/02 - MCAT - 11 - Behavior/06 - Psychological disorders - 13 - Drug dependence and homeostasis.webm 2.7 MB
Test prep/05 - NCLEX-RN - 21 - Mental health/01 - Drug abuse and drug addictions - 06 - Drug dependence and homeostasis.webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/06 - Factoring quadratics by grouping - 02 - Factoring quadratics by grouping.webm 2.7 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 04 - Factoring quadratics by grouping.webm 2.7 MB
Science & engineering/11 - Electrical engineering - 01 - Introduction to electrical engineering/01 - Getting started - 03 - Voltage.webm 2.7 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/03 - Subtracting 1s and 10s - 03 - Subtracting 10s using place value.webm 2.7 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 04 - Perpendicular lines from equation.webm 2.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/01 - Two-variable linear equations intro - 02 - Solutions to 2-variable equations.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/01 - Two-variable linear equations intro - 02 - Solutions to 2-variable equations.webm 2.7 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/07 - Dividing fractions by fractions - 03 - Dividing fractions_ 3_5 ÷ 1_2.webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/03 - Sums and products of rational_irrational numbers - 03 - Proof_ sum of rational and irrational is irrational.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/02 - Sums and products of rational and irrational numbers - 03 - Proof_ sum of rational and irrational is irrational.webm 2.7 MB
Math by grade/08 - 7th - 06 - Geometry/07 - Scale drawings - 03 - Making a scale drawing.webm 2.7 MB
Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 08 - Euler's totient function.webm 2.7 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 07 - Correction to total final velocity for projectile.webm 2.7 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 07 - Correction to total final velocity for projectile.webm 2.7 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/07 - Intro to inequalities with variables - 04 - Inequalities word problems.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/01 - Introduction to inequalities with variables - 04 - Inequalities word problems.webm 2.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 08 - Checking if an equation represents a function.webm 2.7 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/01 - Two-variable linear equations intro - 03 - Worked example_ solutions to 2-variable equations.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/01 - Two-variable linear equations intro - 03 - Worked example_ solutions to 2-variable equations.webm 2.7 MB
Computing/04 - Computer animation - 14 - Rendering/02 - Mathematics of Rendering - 04 - 4. Using the line equation.webm 2.7 MB
Math by grade/08 - 7th - 06 - Geometry/05 - Constructing triangles - 04 - Ordering triangle sides and angles example.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/02 - Graphing two-variable inequalities - 05 - Graphing systems of inequalities.webm 2.7 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/08 - Symmetry - 03 - Finding a quadrilateral from its symmetries.webm 2.7 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/08 - Symmetry - 03 - Finding a quadrilateral from its symmetries.webm 2.7 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 09 - Electrode (surface area test).webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/01 - Intro to polynomials - 04 - Simplifying polynomials.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/01 - Intro to polynomials - 04 - Simplifying polynomials.webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/11 - Constructing regular polygons inscribed in circles - 01 - Geometric constructions_ circle-inscribed square.webm 2.7 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/13 - Constructing regular polygons inscribed in circles - 01 - Geometric constructions_ circle-inscribed square.webm 2.7 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/02 - Addition within 20 - 02 - Adding 8 + 7.webm 2.7 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/09 - Properties of matrix multiplication - 03 - Dimensions of identity matrix.webm 2.7 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/10 - Multiply to find area - 03 - Comparing areas of plots of land.webm 2.7 MB
Math by grade/07 - 6th - 08 - Geometry/01 - Areas of parallelograms - 01 - Area of a parallelogram.webm 2.7 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/04 - Area - 03 - Area of a parallelogram.webm 2.7 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 07 - Oligodendrocytes.webm 2.7 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 07 - Oligodendrocytes.webm 2.7 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 06 - Oligodendrocytes.webm 2.7 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/02 - One-step equations intuition - 02 - Representing a relationship with an equation.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/02 - Why we do the same thing to both sides of an equation - 02 - Representing a relationship with an equation.webm 2.7 MB
Arts and humanities/04 - Art history/07 - Baroque to Neoclassical art in Europe - 02 - Rococo/01 - Rococo - 04 - Vigée Le Brun, Madame Perregaux.webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/08 - Inscribed shapes problem solving - 04 - Inscribed shapes_ find inscribed angle.webm 2.7 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/08 - Inscribed shapes problem solving - 04 - Inscribed shapes_ find inscribed angle.webm 2.7 MB
Math by grade/05 - 4th - 03 - Fractions/06 - Adding and subtracting fractions with like denominators - 01 - Adding fractions with like denominators.webm 2.7 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 09 - Treating type II diabetes - A practical approach.webm 2.7 MB
Science & engineering/10 - Health and medicine - 09 - Endocrine system diseases/01 - Diabetes - 10 - Treating type II diabetes - A practical approach.webm 2.7 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 09 - Treating type II diabetes - A practical approach.webm 2.7 MB
Test prep/05 - NCLEX-RN - 08 - Endocrine system diseases/01 - Diabetes - 10 - Treating type II diabetes - A practical approach.webm 2.7 MB
Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 01 - Moderate inflation in a good economy.webm 2.7 MB
Economics and finance/03 - Finance and capital markets - 03 - Inflation/02 - Inflation scenarios - 01 - Moderate inflation in a good economy.webm 2.7 MB
Math by grade/05 - 4th - 03 - Fractions/07 - Adding and subtracting fractions_ word problems - 03 - Fraction word problem_ piano.webm 2.7 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/07 - Factoring polynomials with quadratic forms - 05 - Factoring two-variable quadratics_ grouping.webm 2.7 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 09 - Factoring two-variable quadratics_ grouping.webm 2.7 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/03 - Subtracting 1s and 10s - 01 - Subtracting 1 vs. subtracting 10.webm 2.7 MB
Math by grade/05 - 4th - 05 - Measurement and data/08 - Converting units of time - 01 - Converting units of time.webm 2.7 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/02 - One-step equations intuition - 03 - Dividing both sides of an equation.webm 2.7 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/02 - Why we do the same thing to both sides of an equation - 03 - Dividing both sides of an equation.webm 2.7 MB
Science & engineering/07 - Organic chemistry - 02 - Resonance and acid-base chemistry/03 - Organic acid-base chemistry - 04 - Ka and pKa review.webm 2.6 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/06 - Determining the domain of a function - 04 - Worked example_ determining domain word problem (positive integers).webm 2.6 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/06 - Determining the domain of a function - 04 - Worked example_ determining domain word problem (positive integers).webm 2.6 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/03 - Subtracting 1s and 10s - 02 - Subtracting 1s using place value.webm 2.6 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/07 - Linear models - 02 - Linear graphs word problem_ cats.webm 2.6 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 04 - Linear graphs word problem_ cats.webm 2.6 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/01 - Interpreting linear functions and equations - 04 - Linear graphs word problem_ cats.webm 2.6 MB
Math by grade/09 - 8th - 04 - Systems of equations/04 - Solving systems with elimination - 01 - Systems of equations with elimination_ 3t+4g=6 and -6t+g=6.webm 2.6 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/03 - Cube-root equations - 01 - Solving cube-root equations.webm 2.6 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/03 - Solving cube-root equations - 01 - Solving cube-root equations.webm 2.6 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/03 - Modeling with linear inequalities - 10 - Analyzing structure with linear inequalities_ balls.webm 2.6 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/05 - Writing algebraic expressions introduction - 03 - Writing expressions with variables and parentheses.webm 2.6 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/05 - Writing algebraic expressions introduction - 03 - Writing expressions with variables and parentheses.webm 2.6 MB
Math by grade/06 - 5th - 03 - Place value and decimals/11 - Regrouping decimal numbers - 06 - Regrouping with decimals_ 0.25.webm 2.6 MB
Math by grade/05 - 4th - 02 - Multiplication and division/03 - Multi-digit multiplication_ standard algorithm - 05 - Multiplying 4-digit by 1-digit (regrouping).webm 2.6 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/06 - Verb aspect and modal verbs - 01 - Perfect progressive aspect.webm 2.6 MB
Math by grade/05 - 4th - 05 - Measurement and data/01 - Estimating mass - 03 - U.S. customary units_ weight.webm 2.6 MB
Test prep/02 - MCAT - 12 - Individuals and society/04 - Social behavior - 04 - Harlow monkey experiments.webm 2.6 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 08 - Harlow monkey experiments.webm 2.6 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/06 - Determining the domain of a function - 03 - Worked example_ determining domain word problem (real numbers).webm 2.6 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/06 - Determining the domain of a function - 03 - Worked example_ determining domain word problem (real numbers).webm 2.6 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/02 - Translations - 03 - Translation challenge problem.webm 2.6 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/02 - Translations - 03 - Translation challenge problem.webm 2.6 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/05 - Equations and geometry - 02 - Equation practice with midpoints.webm 2.6 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/03 - Adding and subtracting with negatives on the number line - 03 - Interpreting numeric expressions example.webm 2.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 10 - Art Terms in Action_ Stain.webm 2.6 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/02 - Magnitude of vectors - 02 - Magnitude of a vector from components.webm 2.6 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/06 - Percent problems - 01 - Finding a percent.webm 2.6 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 11 - Naming two isobutyl groups systematically.webm 2.6 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 11 - Naming two isobutyl groups systematically.webm 2.6 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/12 - Constructing circumcircles and incircles - 01 - Geometric constructions_ triangle-inscribing circle.webm 2.6 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/14 - Constructing circumcircles and incircles - 01 - Geometric constructions_ triangle-inscribing circle.webm 2.6 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 04 - Stellar parallax clarification.webm 2.6 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/02 - Factoring monomials - 01 - Monomial factorization.webm 2.6 MB
Math by grade/02 - 1st - 03 - Measurement and data/01 - Length and size - 01 - Ordering by length.webm 2.6 MB
Computing/04 - Computer animation - 03 - Simulation/01 - Hair simulation 101 - 05 - Support springs.webm 2.6 MB
Math by grade/05 - 4th - 03 - Fractions/03 - Comparing fractions with unlike denominators visually - 03 - Comparing fractions_ fraction models.webm 2.6 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/07 - Absolute value and angle of complex numbers - 01 - Absolute value of complex numbers.webm 2.6 MB
Science & engineering/10 - Health and medicine - 10 - Advanced nervous system physiology/02 - Neural cells and neurotransmitters - 08 - Schwann cells.webm 2.6 MB
Test prep/02 - MCAT - 07 - Organ systems/02 - Neural cells - 08 - Schwann cells.webm 2.6 MB
Test prep/05 - NCLEX-RN - 16 - Nervous system physiology/01 - Neural cells - 07 - Schwann cells.webm 2.6 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/02 - Addition within 20 - 03 - Adding 5 + 3 + 6.webm 2.6 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/01 - Repeated addition - 01 - Repeated addition_ haircuts.webm 2.6 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/05 - Dilations - 01 - Performing dilations.webm 2.6 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/05 - Dilations - 01 - Performing dilations.webm 2.6 MB
Math by grade/06 - 5th - 03 - Place value and decimals/03 - Decimals in written form - 02 - Decimals in written form (thousandths).webm 2.6 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 10 - Standard cell.webm 2.6 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/03 - Adding and subtracting with negatives on the number line - 02 - Number equations and number lines.webm 2.6 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/05 - Intro to subtraction with 2-digit numbers - 01 - Subtracting 2-digit numbers without regrouping 1.webm 2.6 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/08 - Subtraction within 100 - 01 - Subtracting 2-digit numbers without regrouping 1.webm 2.6 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/05 - Arc length (radians) - 01 - Arc length as fraction of circumference.webm 2.6 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/05 - Arc length (radians) - 01 - Arc length as fraction of circumference.webm 2.6 MB
Math by grade/09 - 8th - 05 - Geometry/07 - Volume - 02 - Volume of a sphere.webm 2.6 MB
Math by grade/10 - High school/02 - Mathematics II - 11 - Solid geometry/01 - Solid geometry intro - 04 - Volume of a sphere.webm 2.6 MB
Math by grade/10 - High school/05 - High school geometry - 06 - Solid geometry/01 - Solid geometry intro - 04 - Volume of a sphere.webm 2.6 MB
Science & engineering/08 - Biology - 25 - Behavioral biology/01 - Animal behavior - 02 - Animal behavior_ foraging.webm 2.6 MB
Science & engineering/09 - AP Biology - 26 - Behavioral biology/01 - Animal behavior - 02 - Animal behavior_ foraging.webm 2.6 MB
Test prep/02 - MCAT - 12 - Individuals and society/07 - Biological explanations of social behavior in animals - 01 - Animal behavior_ foraging.webm 2.6 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 03 - Evaluating fractional exponents_ fractional base.webm 2.6 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 03 - Evaluating fractional exponents_ fractional base.webm 2.6 MB
Math by grade/05 - 4th - 03 - Fractions/03 - Comparing fractions with unlike denominators visually - 01 - Comparing fractions_ tape diagram.webm 2.6 MB
Math by grade/05 - 4th - 07 - Factors, multiples and patterns/03 - Math patterns - 02 - Math patterns_ table.webm 2.6 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 13 - Arbitrage basics.webm 2.6 MB
Math by grade/10 - High school/02 - Mathematics II - 13 - Conic sections_ circle and parabola/02 - Features of a circle - 01 - Graphing circles from features.webm 2.5 MB
Math by grade/10 - High school/06 - Algebra II - 13 - Introduction to conic sections/02 - The features of a circle - 01 - Graphing circles from features.webm 2.5 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/02 - The features of a circle - 01 - Graphing circles from features.webm 2.5 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/05 - Manipulating expressions with unknown variables - 02 - Manipulating expressions using structure (example 2).webm 2.5 MB
Math by grade/06 - 5th - 03 - Place value and decimals/03 - Decimals in written form - 01 - Decimals in written form (hundredths).webm 2.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/05 - Discovery of electromagnetism - 04 - Electromagnetic field (loop).webm 2.5 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/02 - Commas in space and time - 01 - Salutations and valedictions.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/12 - Constructing circumcircles and incircles - 02 - Geometric constructions_ triangle-circumscribing circle.webm 2.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/14 - Constructing circumcircles and incircles - 02 - Geometric constructions_ triangle-circumscribing circle.webm 2.5 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/09 - Intro to addition with 2-digit numbers - 02 - Adding 2-digit numbers without regrouping 2.webm 2.5 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/04 - Intro to addition with 2-digit numbers - 02 - Adding 2-digit numbers without regrouping 2.webm 2.5 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/07 - Addition within 100 - 01 - Adding 2-digit numbers without regrouping 2.webm 2.5 MB
Science & engineering/10 - Health and medicine - 16 - Executive systems of the brain/04 - Memory - 06 - Long term potentiation and synaptic plasticity.webm 2.5 MB
Test prep/02 - MCAT - 10 - Processing the environment/09 - Memory - 06 - Long term potentiation and synaptic plasticity.webm 2.5 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 09 - Long term potentiation and synaptic plasticity.webm 2.5 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 01 - Status.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/04 - Introduction to radians - 04 - Radians to degrees.webm 2.5 MB
Math by grade/10 - High school/03 - Mathematics III - 06 - Trigonometric functions/04 - Introduction to radians - 04 - Radians to degrees.webm 2.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/04 - Introduction to radians - 04 - Radians to degrees.webm 2.5 MB
Math by grade/10 - High school/06 - Algebra II - 09 - Trigonometric functions/01 - Introduction to radians - 04 - Radians to degrees.webm 2.5 MB
Math by grade/10 - High school/08 - Trigonometry - 03 - The unit circle definition of sine, cosine, and tangent/01 - Introduction to radians - 04 - Radians to degrees.webm 2.5 MB
Math by grade/05 - 4th - 02 - Multiplication and division/09 - Multiplication, division word problems - 02 - Multiplication word problem_ pizza.webm 2.5 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/01 - Equations with variables on both sides - 04 - Equation with the variable in the denominator.webm 2.5 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/01 - Linear equations with variables on both sides - 05 - Equation with the variable in the denominator.webm 2.5 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/07 - Linear equations with variables on both sides - 05 - Equation with the variable in the denominator.webm 2.5 MB
Arts and humanities/04 - Art history/12 - Art of Asia - 06 - Southeast Asia/05 - Bali - 06 - Balinese mask carver.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/09 - Factoring quadratics_ Perfect squares - 06 - Factoring perfect squares_ missing values.webm 2.5 MB
Math by grade/05 - 4th - 05 - Measurement and data/09 - Money word problems - 01 - Word problem_ making change.webm 2.5 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/03 - Subtracting with regrouping within 1000 - 02 - Subtracting 3-digit numbers (regrouping) 2.webm 2.5 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 02 - Subtracting 3-digit numbers (regrouping) 2.webm 2.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 03 - Compass build (stroke direction).webm 2.5 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/02 - The distributive property and equivalent expressions - 02 - Factoring with the distributive property.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/03 - Factoring polynomials by taking common factors - 01 - Factoring with the distributive property.webm 2.5 MB
Math by grade/05 - 4th - 02 - Multiplication and division/04 - Comparing with multiplication - 04 - Comparing with multiplication_ age.webm 2.5 MB
Math by grade/05 - 4th - 05 - Measurement and data/11 - Area and perimeter - 01 - Area and perimeter word problem_ dog pen.webm 2.5 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/03 - Intercepts - 04 - Worked example_ intercepts from an equation.webm 2.5 MB
Math by grade/05 - 4th - 04 - Decimals/02 - Decimals on the number line - 03 - Graphing hundredths from 0 to 0.1.webm 2.5 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/10 - Word problems with 'more' and 'fewer' (within 100) - 01 - Subtraction word problem_ basketball.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/03 - Sums and products of rational_irrational numbers - 02 - Proof_ product of rational and irrational is irrational.webm 2.5 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/02 - Sums and products of rational and irrational numbers - 02 - Proof_ product of rational and irrational is irrational.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/10 - Long division of polynomials - 02 - Dividing polynomials_ long division.webm 2.5 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/03 - Long division of polynomials - 02 - Dividing polynomials_ long division.webm 2.5 MB
Math by grade/06 - 5th - 05 - Geometry/02 - Coordinate plane word problems - 01 - Plotting corners of a rectangle.webm 2.5 MB
Test prep/02 - MCAT - 11 - Behavior/10 - Theories of attitude and behavior change - 05 - Reciprocal determinism.webm 2.5 MB
Math by grade/04 - 3rd - 03 - Fractions/08 - Comparing fractions of different wholes - 01 - Comparing fractions of different wholes 1.webm 2.5 MB
Computing/04 - Computer animation - 09 - Animation/01 - Introduction to animation - 04 - 3. Bezier curves.webm 2.5 MB
Math by grade/03 - 2nd - 03 - Addition and subtraction within 1000/03 - Strategies for adding 2- and 3-digit numbers - 04 - Adding and subtracting on number line 2.webm 2.5 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/01 - Strategies for adding two and three-digit numbers - 03 - Adding and subtracting on number line 2.webm 2.5 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/08 - Adding 1s and 10s - 03 - Understanding place value when adding ones.webm 2.5 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/02 - Adding 1s and 10s - 03 - Understanding place value when adding ones.webm 2.5 MB
Math by grade/07 - 6th - 08 - Geometry/07 - Polygons on the coordinate plane - 05 - Coordinates of rectangle example.webm 2.5 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/12 - Practice dividing polynomials with remainders - 02 - Dividing polynomials with remainders_ monomial divisors (example 2).webm 2.5 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/05 - Practice dividing polynomials with remainders - 02 - Dividing polynomials with remainders_ monomial divisors (example 2).webm 2.5 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/01 - Introduction to commas - 03 - Punctuating a list.webm 2.5 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/04 - Intro to percents - 01 - The meaning of percent.webm 2.5 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/01 - Intro to variables - 01 - What is a variable_.webm 2.5 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/02 - Introduction to variables - 01 - What is a variable_.webm 2.5 MB
Math by grade/08 - 7th - 06 - Geometry/08 - Volume problems - 01 - Volume word problem_ gold ring.webm 2.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/08 - Electrostatics - 03 - Foil leaf electroscope.webm 2.4 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/01 - Intro to adding negative numbers - 03 - Missing numbers on the number line examples.webm 2.4 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/02 - Discovery of magnetic fields - 01 - Magnet near compass.webm 2.4 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/04 - Slope - 01 - Slope and direction of a line.webm 2.4 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/04 - Quadratic vertex form - 02 - Graphing quadratics_ vertex form.webm 2.4 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/05 - Multiplication rule for dependent events - 02 - Independent and dependent probability.webm 2.4 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/06 - Multiplication rule for dependent events - 02 - Independent and dependent probability.webm 2.4 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/05 - Dependent events - 04 - Independent and dependent probability.webm 2.4 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 06 - Electrolyte (salt test).webm 2.4 MB
Math by grade/09 - 8th - 06 - Data and modeling/02 - Interpreting scatter plots - 01 - Scatter plots_ studying, shoe size, and test scores.webm 2.4 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/01 - Creating and interpreting scatterplots - 02 - Scatter plots_ studying, shoe size, and test scores.webm 2.4 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/01 - Creating and interpreting scatterplots - 02 - Scatter plots_ studying, shoe size, and test scores.webm 2.4 MB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 04 - Quadrants of the coordinate plane.webm 2.4 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/05 - Intro to subtraction with 2-digit numbers - 02 - Subtracting two-digit numbers without regrouping (example 2).webm 2.4 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/08 - Adding 1s and 10s - 01 - Adding 1 vs. adding 10.webm 2.4 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/02 - Adding 1s and 10s - 01 - Adding 1 vs. adding 10.webm 2.4 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/01 - What is addition_ What is subtraction_ - 01 - Intro to addition.webm 2.4 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/03 - Introduction to geometric sequences - 02 - Extending geometric sequences.webm 2.4 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/03 - Introduction to geometric sequences - 02 - Extending geometric sequences.webm 2.4 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 05 - Rational number word problem_ computers.webm 2.4 MB
Math by grade/07 - 6th - 03 - Negative numbers/04 - Comparing negative numbers - 01 - Ordering negative numbers.webm 2.4 MB
Math by grade/10 - High school/08 - Trigonometry - 05 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 04 - Using trigonometric identities.webm 2.4 MB
Math by grade/10 - High school/09 - Precalculus - 01 - Trigonometric equations and identities/06 - Using trigonometric identities to solve problems - 04 - Using trigonometric identities.webm 2.4 MB
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/03 - Relative pronouns - 01 - Relative pronouns.webm 2.4 MB
Math by grade/07 - 6th - 08 - Geometry/06 - Surface area - 04 - Surface area of a cuboid.webm 2.4 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 05 - Writing equations of perpendicular lines.webm 2.4 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/02 - Combining like terms - 02 - Combining like terms.webm 2.4 MB
Test prep/02 - MCAT - 12 - Individuals and society/05 - Social interactions - 02 - Role strain and role conflict.webm 2.4 MB
Math by grade/09 - 8th - 04 - Systems of equations/02 - Intro to systems of equations - 03 - Testing a solution to a system of equations.webm 2.4 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/02 - Introduction to systems of equations - 03 - Testing a solution to a system of equations.webm 2.4 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/05 - Percent-decimal conversions - 01 - Converting decimals to percents_ 0.601.webm 2.4 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/05 - Dilations - 03 - Dilating shapes_ expanding.webm 2.4 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/05 - Dilations - 03 - Dilating shapes_ expanding.webm 2.4 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 05 - Object image height and distance relationship.webm 2.4 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 05 - Object image height and distance relationship.webm 2.4 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 05 - Object image height and distance relationship.webm 2.4 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/01 - Combining functions - 01 - Adding functions.webm 2.3 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/01 - Combining functions - 01 - Adding functions.webm 2.3 MB
Math by grade/05 - 4th - 06 - Geometry/06 - Angles in circles - 02 - Measuring angles with a circular protractor.webm 2.3 MB
Math by grade/07 - 6th - 08 - Geometry/07 - Polygons on the coordinate plane - 02 - Area of a parallelogram on the coordinate plane.webm 2.3 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/06 - Rational equations - 01 - Equations with one rational expression.webm 2.3 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/05 - Solving rational equations - 01 - Equations with one rational expression.webm 2.3 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/11 - Skip-counting - 01 - Skip-counting by 5s.webm 2.3 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 08 - Comparing linear functions_ table vs. graph.webm 2.3 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/02 - Comparing linear functions - 02 - Comparing linear functions_ table vs. graph.webm 2.3 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/02 - Comparing linear functions - 02 - Comparing linear functions_ table vs. graph.webm 2.3 MB
Science & engineering/01 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 03 - Optimal angle for a projectile part 3_ Horizontal distance as a function of angle (and speed).webm 2.3 MB
Science & engineering/02 - AP Physics 1 - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 03 - Optimal angle for a projectile part 3_ Horizontal distance as a function of angle (and speed).webm 2.3 MB
Math by grade/02 - 1st - 04 - Geometry/02 - Fractions of shapes - 01 - Halves and fourths.webm 2.3 MB
Science & engineering/10 - Health and medicine - 05 - Respiratory system diseases/02 - Asthma - 04 - Asthma severity.webm 2.3 MB
Test prep/05 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 04 - Asthma severity.webm 2.3 MB
Math by grade/09 - 8th - 05 - Geometry/04 - Pythagorean theorem application - 02 - Pythagorean theorem word problem_ carpet.webm 2.3 MB
Math by grade/10 - High school/02 - Mathematics II - 10 - Right triangles and trigonometry/01 - Pythagorean theorem - 05 - Pythagorean theorem word problem_ carpet.webm 2.3 MB
Math by grade/10 - High school/05 - High school geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 05 - Pythagorean theorem word problem_ carpet.webm 2.3 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/09 - Multiplying by tens - 01 - Multiplying by multiples of 10.webm 2.3 MB
Computing/04 - Computer animation - 10 - Environment modeling/01 - Modeling grass with parabolas - 04 - 3. Parabolic arcs.webm 2.3 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/01 - Relate addition and subtraction - 01 - Relating addition and subtraction.webm 2.3 MB
Math by grade/05 - 4th - 02 - Multiplication and division/07 - Multi-digit division - 01 - Intro to long division (no remainders).webm 2.3 MB
Computing/04 - Computer animation - 11 - Character modeling/02 - Mathematics of subdivision - 02 - 2. Weighted subdivision.webm 2.3 MB
Math by grade/05 - 4th - 06 - Geometry/07 - Angle types - 03 - Drawing acute, right and obtuse angles.webm 2.3 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/02 - The tenses - 02 - The present tense.webm 2.3 MB
Math by grade/06 - 5th - 02 - Fractions/06 - Multiplying fractions and whole numbers - 03 - Multiplying fractions and whole numbers 1.webm 2.3 MB
Math by grade/06 - 5th - 02 - Fractions/03 - Adding and subtracting mixed number with unlike denominators - 02 - Subtracting mixed numbers_ 7 6_9 - 3 2_5.webm 2.3 MB
Computing/04 - Computer animation - 11 - Character modeling/01 - Modeling with subdivision surfaces - 04 - 3. Subdividing your own designs.webm 2.3 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/07 - Percent word problems - 02 - Percent word problem_ recycling cans.webm 2.3 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/02 - Adding with regrouping within 1000 - 04 - Adding 3-digit numbers with regrouping.webm 2.3 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 03 - Adding 3-digit numbers with regrouping.webm 2.3 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/01 - All about Spout - 04 - Spout lights.webm 2.3 MB
Science & engineering/01 - Physics - 09 - Fluids/03 - Fluid Dynamics - 08 - Turbulence at high velocities and Reynold's number.webm 2.3 MB
Science & engineering/03 - AP Physics 2 - 01 - Fluids/03 - Fluid Dynamics - 08 - Turbulence at high velocities and Reynold's number.webm 2.3 MB
Test prep/02 - MCAT - 08 - Physical processes/10 - Fluids in motion - 08 - Turbulence at high velocities and Reynold's number.webm 2.3 MB
Computing/01 - Computer programming - 07 - HTML_JS_ Making webpages interactive with jQuery/01 - Welcome to jQuery - 01 - From the inventor_ Welcome!.webm 2.3 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/02 - Factoring monomials - 03 - Worked example_ finding missing monomial side in area model.webm 2.3 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 11 - Art Terms in Action_ Palette Knife.webm 2.3 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/04 - Properties of exponents (rational exponents) - 01 - Simplifying quotient of powers (rational exponents).webm 2.3 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/04 - Properties of exponents (rational exponents) - 01 - Simplifying quotient of powers (rational exponents).webm 2.3 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/02 - Quasars and galactive collisions - 02 - Quasar correction.webm 2.3 MB
Computing/01 - Computer programming - 08 - Meet the professional/01 - Meet the professional - 01 - Welcome to 'Meet the professional'!.webm 2.3 MB
Math by grade/09 - 8th - 06 - Data and modeling/02 - Interpreting scatter plots - 02 - Scatter plot_ smokers.webm 2.3 MB
Math by grade/05 - 4th - 03 - Fractions/10 - Multiplying unit fractions and whole numbers - 01 - Multiplying unit fractions and whole numbers.webm 2.3 MB
Math by grade/06 - 5th - 02 - Fractions/06 - Multiplying fractions and whole numbers - 02 - Multiplying unit fractions and whole numbers.webm 2.3 MB
Math by grade/06 - 5th - 04 - Measurement and data/03 - Unit conversion - 03 - Converting units_ centimeters to meters.webm 2.3 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/02 - Graphing two-variable inequalities - 02 - Graphing two-variable inequalities.webm 2.3 MB
Math by grade/06 - 5th - 02 - Fractions/14 - Dividing fractions and whole numbers word problems - 01 - Dividing whole numbers by fractions_ word problem.webm 2.3 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/02 - Number patterns - 04 - Graphing sequence relationships.webm 2.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 03 - Systems of equations with graphing_ y=7_5x-5 and y=3_5x-1.webm 2.3 MB
Math by grade/09 - 8th - 04 - Systems of equations/03 - Systems of equations with graphing - 04 - Systems of equations with graphing_ y=7_5x-5 and y=3_5x-1.webm 2.3 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/02 - Introduction to systems of equations - 04 - Systems of equations with graphing_ y=7_5x-5 and y=3_5x-1.webm 2.3 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/11 - Skip-counting - 02 - Counting by 10s.webm 2.3 MB
Test prep/02 - MCAT - 06 - Cells/11 - Embryology - 05 - Germ layer derivatives.webm 2.2 MB
Test prep/02 - MCAT - 11 - Behavior/02 - Human development - 04 - Germ layer derivatives.webm 2.2 MB
Math by grade/07 - 6th - 03 - Negative numbers/05 - Absolute value - 03 - Placing absolute values on the number line.webm 2.2 MB
Math by grade/09 - 8th - 01 - Numbers and operations/08 - Working with powers of 10 - 01 - Multiplying multiples of powers of 10.webm 2.2 MB
Math by grade/10 - High school/03 - Mathematics III - 07 - Advanced equations and functions/06 - Comparing features of functions - 01 - Comparing functions_ x-intercepts.webm 2.2 MB
Math by grade/10 - High school/06 - Algebra II - 10 - Advanced equations and functions/06 - Comparing features of functions - 01 - Comparing functions_ x-intercepts.webm 2.2 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/06 - Unit vectors - 03 - Worked example_ Scaling unit vectors.webm 2.2 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/06 - Simplifying square roots - 01 - Simplifying square roots.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/06 - Simplifying square roots - 01 - Simplifying square roots.webm 2.2 MB
Math by grade/08 - 7th - 07 - Statistics and probability/03 - Compound events and sample spaces - 04 - Counting outcomes_ flower pots.webm 2.2 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/02 - Counting with permutations - 01 - Counting outcomes_ flower pots.webm 2.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 07 - Comparing linear functions_ equation vs. graph.webm 2.2 MB
Math by grade/10 - High school/01 - Mathematics I - 05 - Linear equations and functions word problems/02 - Comparing linear functions - 01 - Comparing linear functions_ equation vs. graph.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 07 - Linear equations and functions word problems/02 - Comparing linear functions - 01 - Comparing linear functions_ equation vs. graph.webm 2.2 MB
Math by grade/04 - 3rd - 03 - Fractions/01 - Fractions intro - 03 - Identifying unit fractions word problem.webm 2.2 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/02 - The tenses - 03 - The past tense.webm 2.2 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/03 - Probability with counting, permutations, combinations - 03 - Example_Different ways to pick officers.webm 2.2 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/04 - Probability with counting, permutations, combinations - 03 - Example_Different ways to pick officers.webm 2.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 07 - Example_Different ways to pick officers.webm 2.2 MB
Math by grade/10 - High school/03 - Mathematics III - 08 - Series/03 - Finite geometric series - 01 - Geometric series intro.webm 2.2 MB
Math by grade/10 - High school/06 - Algebra II - 11 - Sequences and series/05 - Finite geometric series - 01 - Geometric series intro.webm 2.2 MB
Math by grade/10 - High school/09 - Precalculus - 07 - Sequences, series and induction/05 - Finite geometric series - 01 - Geometric series intro.webm 2.2 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/07 - Constructing bisectors of lines and angles - 03 - Geometric constructions_ angle bisector.webm 2.2 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/05 - Teens - 01 - Teens as sums with 10.webm 2.2 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/02 - Numbers 0 to 100 - 02 - Missing numbers between 0 and 120.webm 2.2 MB
Math by grade/02 - 1st - 01 - Place value/01 - Numbers 0 to 120 - 02 - Missing numbers between 0 and 120.webm 2.2 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 04 - Simplifying higher-index root expressions.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 04 - Simplifying higher-index root expressions.webm 2.2 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 02 - Evaluating fractional exponents_ negative unit-fraction.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 02 - Evaluating fractional exponents_ negative unit-fraction.webm 2.2 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/03 - Compound probability of independent events using diagrams - 03 - Compound events example with tree diagram.webm 2.2 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/05 - Equations of proportional relationships - 02 - Writing proportional equations.webm 2.2 MB
Science & engineering/04 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 08 - Supernova clarification.webm 2.2 MB
Computing/01 - Computer programming - 07 - HTML_JS_ Making webpages interactive with jQuery/01 - Welcome to jQuery - 02 - What is jQuery_.webm 2.2 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/05 - Writing algebraic expressions introduction - 01 - Writing basic expressions with variables.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/05 - Writing algebraic expressions introduction - 01 - Writing basic expressions with variables.webm 2.2 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/04 - Evaluating expressions with unknown variables - 02 - Worked example_ evaluating expressions using structure (more examples).webm 2.2 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 06 - Naming alkanes with ethyl groups.webm 2.2 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 06 - Naming alkanes with ethyl groups.webm 2.2 MB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 02 - Plotting a point (ordered pair).webm 2.2 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/02 - Combining like terms - 04 - Combining like terms with distribution.webm 2.2 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/06 - Introduction to inverses of functions - 03 - Graphing the inverse of a linear function.webm 2.2 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/06 - Introduction to inverses of functions - 03 - Graphing the inverse of a linear function.webm 2.2 MB
Math by grade/10 - High school/03 - Mathematics III - 01 - Manipulating functions/02 - Composing functions - 05 - Finding composite functions.webm 2.2 MB
Math by grade/10 - High school/06 - Algebra II - 01 - Manipulating functions/02 - Composing functions - 05 - Finding composite functions.webm 2.2 MB
Computing/01 - Computer programming - 03 - Intro to SQL_ Querying and managing data/01 - SQL basics - 01 - Welcome to SQL.webm 2.2 MB
Math by grade/06 - 5th - 05 - Geometry/03 - Quadrilaterals - 04 - Quadrilateral types.webm 2.2 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/03 - Polygons - 12 - Quadrilateral types.webm 2.2 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/09 - Linear and nonlinear functions - 05 - Interpreting a graph example.webm 2.2 MB
Arts and humanities/04 - Art history/03 - Art of the ancient Mediterranean - 04 - Greek art/01 - A beginner's guide to ancient Greece - 02 - Victorious athlete_ The Vaison Daidoumenos.webm 2.2 MB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/02 - Identifying proportional relationships - 05 - Proportional relationships_ movie tickets.webm 2.2 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/04 - Quadratic equations_ quadratic formula - 03 - Worked example_ quadratic formula.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/07 - The quadratic formula - 03 - Worked example_ quadratic formula.webm 2.2 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/01 - Circle basics - 03 - Proof_ all circles are similar.webm 2.2 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/01 - Circle basics - 03 - Proof_ all circles are similar.webm 2.2 MB
Math by grade/06 - 5th - 03 - Place value and decimals/04 - Comparing decimals - 03 - Ordering decimals 1.webm 2.2 MB
Math by grade/02 - 1st - 01 - Place value/02 - Ones and tens - 02 - Place value example_ 25.webm 2.2 MB
Math by grade/09 - 8th - 05 - Geometry/11 - Congruence and similarity - 03 - Dilating shapes_ shrinking.webm 2.2 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/05 - Dilations - 02 - Dilating shapes_ shrinking.webm 2.2 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/05 - Dilations - 02 - Dilating shapes_ shrinking.webm 2.2 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/07 - One-step inequalities - 02 - One-step inequalities_ -5c ≤ 15.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/02 - One-step inequalities - 02 - One-step inequalities_ -5c ≤ 15.webm 2.2 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 05 - Why all the letters in algebra_.webm 2.2 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 02 - Parallel lines from equation (example 2).webm 2.2 MB
Math by grade/02 - 1st - 03 - Measurement and data/03 - Time - 01 - Telling time (labeled clock).webm 2.1 MB
Math by grade/03 - 2nd - 04 - Measurement and data/07 - Time - 01 - Telling time (labeled clock).webm 2.1 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 04 - 3. Scale deformers.webm 2.1 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/03 - Probability with counting, permutations, combinations - 02 - Example_ All the ways you can flip a coin.webm 2.1 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/04 - Probability with counting, permutations, combinations - 02 - Example_ All the ways you can flip a coin.webm 2.1 MB
Math by grade/10 - High school/09 - Precalculus - 02 - Conic sections/05 - Center and radii of an ellipse - 03 - Ellipse graph from standard equation.webm 2.1 MB
Math by grade/09 - 8th - 01 - Numbers and operations/10 - Arithmetic with numbers in scientific notation - 01 - Multiplying and dividing in scientific notation.webm 2.1 MB
Math by grade/06 - 5th - 02 - Fractions/03 - Adding and subtracting mixed number with unlike denominators - 01 - Adding mixed numbers_ 19 3_18 + 18 2_3.webm 2.1 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 02 - Intro to adding rational expressions with unlike denomina.webm 2.1 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 02 - Intro to adding rational expressions with unlike denominators.webm 2.1 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/08 - Exponents - 01 - Intro to exponents.webm 2.1 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/10 - End behavior of polynomial functions - 02 - End behavior of functions and their graphs.webm 2.1 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/12 - End behavior of polynomial functions - 02 - End behavior of functions and their graphs.webm 2.1 MB
Math by grade/06 - 5th - 03 - Place value and decimals/11 - Regrouping decimal numbers - 02 - Regrouping whole numbers_ 76,830.webm 2.1 MB
Math by grade/05 - 4th - 03 - Fractions/07 - Adding and subtracting fractions_ word problems - 04 - Fraction word problem_ lizard.webm 2.1 MB
Math by grade/05 - 4th - 06 - Geometry/07 - Angle types - 02 - Recognizing angles.webm 2.1 MB
Computing/04 - Computer animation - 09 - Animation/02 - Mathematics of animation curves - 03 - 3. De Casteljau's algorithm.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 03 - Parallel lines from equation (example 3).webm 2.1 MB
Math by grade/03 - 2nd - 04 - Measurement and data/05 - Bar graphs - 01 - Reading bar graphs_ bikes.webm 2.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/03 - Coin detector - 06 - Polling sensors.webm 2.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/05 - Programming basics - 09 - Polling sensors.webm 2.1 MB
Math by grade/06 - 5th - 05 - Geometry/03 - Quadrilaterals - 05 - Classifying quadrilaterals.webm 2.1 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/02 - Discovery of magnetic fields - 05 - Increase strength of magnet.webm 2.1 MB
Science & engineering/11 - Electrical engineering - 07 - Home-made robots/04 - Spider Bot - 02 - Fun with Spider Bot.webm 2.1 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 07 - Electrode (distance test).webm 2.1 MB
Math by grade/05 - 4th - 06 - Geometry/09 - Line of symmetry - 01 - Intro to reflective symmetry.webm 2.1 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/08 - Symmetry - 01 - Intro to reflective symmetry.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/08 - Symmetry - 01 - Intro to reflective symmetry.webm 2.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/05 - Slope-intercept form - 02 - Graph from slope-intercept equation.webm 2.1 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/06 - Graphing slope-intercept equations - 01 - Graph from slope-intercept equation.webm 2.1 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/06 - Graphing slope-intercept equations - 01 - Graph from slope-intercept equation.webm 2.1 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/05 - Exponential equations_ logarithms - 01 - Solving exponential equations using logarithms_ base-10.webm 2.1 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/05 - Solving exponential equations with logarithms - 01 - Solving exponential equations using logarithms_ base-10.webm 2.1 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/05 - Arc length (radians) - 02 - Arc length from subtended angle_ radians.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/05 - Arc length (radians) - 02 - Arc length from subtended angle_ radians.webm 2.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 06 - Manipulating formulas_ temperature.webm 2.1 MB
Math by grade/10 - High school/02 - Mathematics II - 08 - Modeling with algebra/02 - Manipulating formulas - 03 - Manipulating formulas_ temperature.webm 2.1 MB
Math by grade/10 - High school/06 - Algebra II - 12 - Modeling with algebra/02 - Manipulating formulas - 03 - Manipulating formulas_ temperature.webm 2.1 MB
Math by grade/08 - 7th - 06 - Geometry/04 - Missing angle problems - 04 - Equation practice with supplementary angles.webm 2.1 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/05 - Equations and geometry - 05 - Equation practice with supplementary angles.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 09 - Equation practice with supplementary angles.webm 2.1 MB
Math by grade/09 - 8th - 05 - Geometry/11 - Congruence and similarity - 04 - Similar shapes and transformations.webm 2.1 MB
Math by grade/10 - High school/02 - Mathematics II - 09 - Similarity/01 - Definitions of similarity - 01 - Similar shapes and transformations.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 04 - Similarity/01 - Definitions of similarity - 01 - Similar shapes and transformations.webm 2.1 MB
Science & engineering/01 - Physics - 15 - Geometric optics/03 - Lenses - 03 - Concave lenses.webm 2.1 MB
Science & engineering/03 - AP Physics 2 - 06 - Geometric optics/03 - Lenses - 03 - Concave lenses.webm 2.1 MB
Test prep/02 - MCAT - 08 - Physical processes/22 - Thin lenses - 03 - Concave lenses.webm 2.1 MB
Math by grade/06 - 5th - 03 - Place value and decimals/02 - Decimals in expanded form - 01 - Write decimal in expanded form.webm 2.1 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/04 - Equivalent expressions - 01 - Equivalent expressions.webm 2.1 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/08 - Introduction to equivalent algebraic expressions - 01 - Equivalent expressions.webm 2.1 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/02 - Translations - 01 - Translating shapes.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/02 - Translations - 01 - Translating shapes.webm 2.1 MB
Math by grade/09 - 8th - 05 - Geometry/10 - Reflections - 02 - Performing reflections.webm 2.1 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/01 - Introduction to rigid transformations - 04 - Performing reflections.webm 2.1 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/01 - Introduction to rigid transformations - 04 - Performing reflections.webm 2.1 MB
Math by grade/05 - 4th - 03 - Fractions/11 - Multiplying whole numbers and fractions - 02 - Multiplying fractions and whole numbers 2.webm 2.1 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/08 - Dependent and independent variables - 01 - Dependent and independent variables.webm 2.1 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/06 - Dependent and independent variables - 01 - Dependent and independent variables.webm 2.1 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/03 - Intro to rates - 02 - Solving unit rate problem.webm 2.1 MB
Math by grade/06 - 5th - 02 - Fractions/11 - Fractions as division - 03 - Mixed numbers on a number line.webm 2.1 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 05 - Compass build (magnet orientation).webm 2.1 MB
Math by grade/06 - 5th - 02 - Fractions/11 - Fractions as division - 02 - Creating a fraction through division.webm 2.1 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 02 - Rational number word problem_ cosmetics.webm 2.1 MB
Math by grade/05 - 4th - 06 - Geometry/11 - Classifying geometric shapes - 01 - Classifying shapes by line and angles types.webm 2.1 MB
Math by grade/09 - 8th - 05 - Geometry/11 - Congruence and similarity - 05 - Side lengths after dilation.webm 2.1 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/01 - Counting small numbers - 02 - Counting in order.webm 2.1 MB
Computing/04 - Computer animation - 10 - Environment modeling/02 - Calculating parabolas - 04 - 4. How can we prove this_.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/01 - Intro to polynomials - 02 - The parts of polynomial expressions.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/01 - Intro to polynomials - 02 - The parts of polynomial expressions.webm 2.0 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/02 - One-step equations intuition - 01 - Same thing to both sides of equations.webm 2.0 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/04 - Two-step equations intro - 01 - Same thing to both sides of equations.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/02 - Why we do the same thing to both sides of an equation - 01 - Same thing to both sides of equations.webm 2.0 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/03 - Subtracting with regrouping within 1000 - 01 - Worked example_ Subtracting 3-digit numbers (regrouping).webm 2.0 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 01 - Worked example_ Subtracting 3-digit numbers (regrouping).webm 2.0 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/02 - Adding with regrouping within 1000 - 03 - Adding with regrouping.webm 2.0 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 02 - Adding with regrouping.webm 2.0 MB
Math by grade/09 - 8th - 06 - Data and modeling/01 - Introduction to scatter plots - 01 - Constructing a scatter plot.webm 2.0 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/01 - Creating and interpreting scatterplots - 01 - Constructing a scatter plot.webm 2.0 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/01 - Creating and interpreting scatterplots - 01 - Constructing a scatter plot.webm 2.0 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/05 - Verb aspect_ simple, progressive, and perfect - 01 - Introduction to verb aspect.webm 2.0 MB
Math by grade/03 - 2nd - 04 - Measurement and data/02 - Comparing and estimating length - 02 - Estimating lengths.webm 2.0 MB
Test prep/02 - MCAT - 05 - Biomolecules/04 - DNA - 12 - Semi conservative replication.webm 2.0 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/13 - Finding the inverse of a matrix using its determinant - 01 - Finding inverse of a 2x2 matrix using determinant and adjugate.webm 2.0 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/03 - Relating multiplication and division - 04 - Multiplication word problem_ soda party.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 08 - Modeling with algebra/02 - Manipulating formulas - 02 - Manipulating formulas_ area.webm 2.0 MB
Math by grade/10 - High school/06 - Algebra II - 12 - Modeling with algebra/02 - Manipulating formulas - 02 - Manipulating formulas_ area.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/07 - Factoring polynomials with quadratic forms - 04 - Factoring two-variable quadratics_ rearranging.webm 2.0 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/03 - Factoring polynomials - Quadratic forms - 08 - Factoring two-variable quadratics_ rearranging.webm 2.0 MB
Math by grade/08 - 7th - 06 - Geometry/04 - Missing angle problems - 03 - Equation practice with complementary angles.webm 2.0 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/05 - Equations and geometry - 04 - Equation practice with complementary angles.webm 2.0 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 08 - Equation practice with complementary angles.webm 2.0 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/02 - Number patterns - 01 - Graphing patterns on coordinate plane.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/09 - Properties of tangents - 05 - Tangents of circles problem (example 3).webm 2.0 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/09 - Properties of tangents - 05 - Tangents of circles problem (example 3).webm 2.0 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/04 - Comparing small numbers - 01 - Comparing numbers of objects.webm 2.0 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/07 - One-step inequalities - 03 - One-step inequality word problem.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/02 - One-step inequalities - 03 - One-step inequality word problem.webm 2.0 MB
Math by grade/06 - 5th - 03 - Place value and decimals/02 - Decimals in expanded form - 02 - Convert decimal from expanded form to standard form.webm 2.0 MB
Science & engineering/04 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 06 - What causes precession and other orbital changes.webm 2.0 MB
Math by grade/02 - 1st - 02 - Addition and subtraction/09 - Intro to addition with 2-digit numbers - 01 - Adding 2-digit numbers without regrouping 1.webm 2.0 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/04 - Intro to addition with 2-digit numbers - 01 - Adding 2-digit numbers without regrouping 1.webm 2.0 MB
Computing/04 - Computer animation - 10 - Environment modeling/02 - Calculating parabolas - 02 - 2. Where is the touching point_.webm 2.0 MB
Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 02 - Conditional probability explained visually.webm 2.0 MB
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/02 - Polio - 04 - Poliomyelitis diagnosis and treatment.webm 2.0 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/04 - Compound probability of independent events using the multiplication rule - 04 - Die rolling probability with independent events.webm 2.0 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/04 - Two-step equations intro - 04 - Worked example_ two-step equations.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/05 - Two-steps equations intro - 03 - Worked example_ two-step equations.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/06 - Sectors - 01 - Area of a sector.webm 2.0 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/06 - Sectors - 01 - Area of a sector.webm 2.0 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 05 - Evaluating mixed radicals and exponents.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/05 - Advanced exponent and radical evaluation - 05 - Evaluating mixed radicals and exponents.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/03 - Factoring polynomials by taking common factors - 05 - Factoring polynomials_ common binomial factor.webm 2.0 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/06 - Multi-digit division - 04 - Dividing by 2-digits_ 7182÷42.webm 2.0 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/05 - Dividing whole numbers - 02 - Dividing by 2-digits_ 7182÷42.webm 2.0 MB
Math by grade/01 - Kindergarten - 03 - Measurement and geometry/04 - Composing shapes - 01 - Composing shapes.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/05 - Multiplying monomials by polynomials - 02 - Multiplying monomials by polynomials.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/05 - Multiplying monomials by polynomials - 02 - Multiplying monomials by polynomials.webm 2.0 MB
Math by grade/05 - 4th - 06 - Geometry/10 - Classifying triangles - 03 - Worked example_ Classifying triangles.webm 2.0 MB
Science & engineering/05 - Chemistry - 17 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 04 - Correction - 2-propylheptane should never be the name!.webm 2.0 MB
Science & engineering/07 - Organic chemistry - 03 - Alkanes, cycloalkanes, and functional groups/01 - Naming alkanes - 04 - Correction - 2-propylheptane should never be the name!.webm 2.0 MB
Math by grade/04 - 3rd - 02 - Multiplication and division/03 - Relating multiplication and division - 02 - Multiplication word problem_ parking lot.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/10 - Division by zero - 02 - The problem with dividing zero by zero.webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/03 - Sums and products of rational_irrational numbers - 01 - Proof_ sum and product of two rationals is rational.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/02 - Sums and products of rational and irrational numbers - 01 - Proof_ sum and product of two rationals is rational.webm 2.0 MB
Math by grade/05 - 4th - 05 - Measurement and data/07 - Converting units of length - 01 - Converting metric units of length.webm 2.0 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/01 - Converting fractions to decimals - 02 - Worked example_ Converting a fraction (7_8) to a decimal.webm 2.0 MB
Math by grade/05 - 4th - 05 - Measurement and data/06 - Converting units of volume - 01 - Converting US customary units of volume.webm 2.0 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/03 - Subtracting with regrouping within 1000 - 05 - Subtracting in your head (no regrouping).webm 2.0 MB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 03 - Simplifying cube root expressions (two variables).webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/07 - Simplifying radicals (higher-index roots) - 03 - Simplifying cube root expressions (two variables).webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/03 - Sums and products of rational_irrational numbers - 04 - Worked example_ rational vs. irrational expressions.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/02 - Sums and products of rational and irrational numbers - 05 - Worked example_ rational vs. irrational expressions.webm 2.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 02 - Battery meter (galvanometer).webm 2.0 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/05 - Discovery of electromagnetism - 05 - Battery meter (galvanometer).webm 2.0 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/01 - Quadratic equations_ taking square root - 01 - Solving quadratics by taking square roots.webm 2.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/03 - Properties of logarithms - 05 - Using the properties of logarithms_ multiple steps.webm 2.0 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/03 - Solving quadratics by taking square roots - 01 - Solving quadratics by taking square roots.webm 2.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/03 - Properties of logarithms - 05 - Using the properties of logarithms_ multiple steps.webm 2.0 MB
Math by grade/09 - 8th - 05 - Geometry/08 - Translations - 01 - Performing translations.webm 2.0 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/01 - Introduction to rigid transformations - 02 - Performing translations.webm 2.0 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/01 - Introduction to rigid transformations - 02 - Performing translations.webm 2.0 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/06 - Solving exponential models - 02 - Exponential model word problem_ bacteria growth.webm 2.0 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/06 - Solving exponential models - 02 - Exponential model word problem_ bacteria growth.webm 2.0 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 03 - 2. Robot combinations.webm 1.9 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/08 - Inscribed shapes problem solving - 02 - Inscribed shapes_ find diameter.webm 1.9 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/08 - Inscribed shapes problem solving - 02 - Inscribed shapes_ find diameter.webm 1.9 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/04 - Evaluating expressions word problems - 03 - Evaluating expressions with variables_ exponents.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/04 - Evaluating expressions word problems - 03 - Evaluating expressions with variables_ exponents.webm 1.9 MB
Math by grade/05 - 4th - 08 - Place value and rounding/04 - Regrouping whole numbers - 01 - Regrouping numbers into various place values.webm 1.9 MB
Math by grade/05 - 4th - 05 - Measurement and data/11 - Area and perimeter - 03 - Comparing areas word problem.webm 1.9 MB
Math by grade/03 - 2nd - 02 - Addition and subtraction within 100/06 - Strategies for adding and subtracting within 100 - 04 - Addition and subtraction with number lines.webm 1.9 MB
Math by grade/08 - 7th - 02 - Negative numbers_ multiplication and division/04 - Multiply and divide negative fractions - 03 - Dividing mixed numbers.webm 1.9 MB
Math by grade/08 - 7th - 06 - Geometry/04 - Missing angle problems - 05 - Equation practice with vertical angles.webm 1.9 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/05 - Equations and geometry - 03 - Equation practice with vertical angles.webm 1.9 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 06 - Equation practice with vertical angles.webm 1.9 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 07 - Adding three decimals.webm 1.9 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/01 - Adding decimals - 03 - Adding three decimals.webm 1.9 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/03 - One-step addition and subtraction equations - 01 - One-step addition and subtraction equations.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/03 - One-step addition and subtraction equations - 01 - One-step addition and subtraction equations.webm 1.9 MB
Math by grade/07 - 6th - 04 - Properties of numbers/03 - Least common multiple - 02 - Least common multiple_ repeating factors.webm 1.9 MB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/04 - Adding and subtracting rational expressions - 06 - Least common multiple_ repeating factors.webm 1.9 MB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/03 - Adding and subtracting rational expressions - 06 - Least common multiple_ repeating factors.webm 1.9 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/03 - Counting objects - 03 - Counting objects 2.webm 1.9 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/01 - Vector basics - 02 - Recognizing vectors.webm 1.9 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/02 - The tenses - 01 - Introduction to verb tense.webm 1.9 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/02 - Inputs and outputs of a function - 03 - Worked example_ two inputs with the same output (graph).webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/02 - Inputs and outputs of a function - 03 - Worked example_ two inputs with the same output (graph).webm 1.9 MB
Science & engineering/04 - Cosmology and astronomy - 01 - Scale of the universe/04 - Big bang and expansion of the universe - 03 - Radius of observable universe (correction).webm 1.9 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/02 - Making 10 - 01 - Getting to 10 by filling boxes.webm 1.9 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/02 - Counting with permutations - 06 - Ways to pick officers.webm 1.9 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/06 - Permutations - 06 - Ways to pick officers.webm 1.9 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/06 - Compound inequalities - 03 - A compound inequality with no solution.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/05 - Compound inequalities - 03 - A compound inequality with no solution.webm 1.9 MB
Math by grade/04 - 3rd - 03 - Fractions/02 - What fractions mean - 03 - Identifying numerators and denominators.webm 1.9 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/03 - Introduction to geometric sequences - 03 - Using explicit formulas of geometric sequences.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/03 - Introduction to geometric sequences - 03 - Using explicit formulas of geometric sequences.webm 1.9 MB
Math by grade/06 - 5th - 04 - Measurement and data/01 - Volume intro - 02 - Measuring volume with unit cubes.webm 1.9 MB
Math by grade/08 - 7th - 06 - Geometry/01 - Area and circumference of circles - 02 - Labeling parts of a circle.webm 1.9 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/07 - Dividing decimals - 02 - Dividing whole numbers to get a decimal.webm 1.9 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 01 - Dividing whole numbers to get a decimal.webm 1.9 MB
Math by grade/05 - 4th - 02 - Multiplication and division/04 - Comparing with multiplication - 01 - Comparing with multiplication_ basics.webm 1.9 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/04 - Put together, take apart - 02 - Addition and subtraction within 10.webm 1.9 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/05 - Adding and subtracting negative fractions - 02 - Adding and subtracting fractions.webm 1.9 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/03 - Arc length (degrees) - 02 - Subtended angle from arc length.webm 1.9 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/03 - Arc length (degrees) - 02 - Subtended angle from arc length.webm 1.9 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 05 - Adding decimals_ 9.087+15.31.webm 1.9 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/01 - Adding decimals - 01 - Adding decimals_ 9.087+15.31.webm 1.9 MB
Math by grade/09 - 8th - 04 - Systems of equations/06 - Number of solutions to systems of equations - 08 - How many solutions does a system of linear equations have if there are at least two_.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/06 - Number of solutions to systems of equations - 08 - How many solutions does a system of linear equations have if there are at least tw.webm 1.9 MB
Math by grade/05 - 4th - 02 - Multiplication and division/08 - Remainders - 02 - Worked example_ Long division with remainders_ 3771÷8.webm 1.9 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/03 - Adding and subtracting decimals word problems - 02 - Adding and subtracting decimals word problem.webm 1.9 MB
Arts and humanities/05 - Grammar - 07 - Punctuation_ the comma and the apostrophe/05 - Introduction to the possessive - 02 - Possession for words ending in “s”.webm 1.9 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/11 - Average rate of change - 02 - Worked example_ average rate of change from graph.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/11 - Average rate of change - 02 - Worked example_ average rate of change from graph.webm 1.9 MB
Math by grade/05 - 4th - 04 - Decimals/02 - Decimals on the number line - 02 - Identifying tenths on a number line.webm 1.9 MB
Math by grade/10 - High school/03 - Mathematics III - 02 - Polynomial expressions, equations, and functions/05 - Polynomial identities with complex numbers - 02 - Factoring sum of squares.webm 1.9 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/07 - Polynomial identities with complex numbers - 02 - Factoring sum of squares.webm 1.9 MB
Math by grade/10 - High school/01 - Mathematics I - 13 - Exponential functions/01 - Introduction to exponential growth and decay - 03 - Writing exponential functions.webm 1.9 MB
Math by grade/10 - High school/04 - Algebra I - 13 - Introduction to exponential functions/06 - Exponential functions from tables and graphs - 01 - Writing exponential functions.webm 1.9 MB
Math by grade/10 - High school/02 - Mathematics II - 01 - Absolute value equations and functions/01 - Absolute value equations - 03 - Worked example_ absolute value equations with one solution.webm 1.9 MB
Test prep/02 - MCAT - 11 - Behavior/09 - Learning - 07 - Operant conditioning_ Escape and avoidance learning.webm 1.9 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/01 - Converting fractions to decimals - 01 - Decimal to simplified fraction.webm 1.9 MB
Math by grade/05 - 4th - 08 - Place value and rounding/02 - How 10 relates to place value - 04 - Comparing place values.webm 1.9 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/08 - Multiplying binomials by polynomials - 01 - Multiplying binomials by polynomials.webm 1.8 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/08 - Multiplying binomials by polynomials - 01 - Multiplying binomials by polynomials.webm 1.8 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/02 - Multiplying polynomials - 01 - Multiplying binomials by polynomials.webm 1.8 MB
Math by grade/05 - 4th - 08 - Place value and rounding/06 - Rounding whole numbers - 02 - Rounding whole numbers to nearest thousand.webm 1.8 MB
Math by grade/06 - 5th - 05 - Geometry/01 - Intro to the coordinate plane - 02 - Coordinate plane_ graphing points.webm 1.8 MB
Computing/04 - Computer animation - 09 - Animation/02 - Mathematics of animation curves - 01 - 1. Mathematics of linear interpolation.webm 1.8 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 01 - Adding polynomials_ two variables.webm 1.8 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 01 - Adding polynomials_ two variables.webm 1.8 MB
Math by grade/06 - 5th - 03 - Place value and decimals/04 - Comparing decimals - 02 - Comparing decimals_ 156.378 and 156.348.webm 1.8 MB
Math by grade/08 - 7th - 06 - Geometry/02 - Area and circumference challenge problems - 01 - Finding circumference of a circle when given the area.webm 1.8 MB
Math by grade/05 - 4th - 03 - Fractions/06 - Adding and subtracting fractions with like denominators - 02 - Subtracting fractions with like denominators.webm 1.8 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/04 - Put together, take apart - 01 - Add and subtract_ pieces of fruit.webm 1.8 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/03 - Interpreting linear expressions - 02 - Interpreting linear expressions_ flowers.webm 1.8 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/09 - Interpreting linear expressions - 02 - Interpreting linear expressions_ flowers.webm 1.8 MB
Math by grade/05 - 4th - 03 - Fractions/12 - Multiplying whole numbers and fractions word problems - 01 - Multiplying fractions word problem_ milk.webm 1.8 MB
Math by grade/06 - 5th - 02 - Fractions/07 - Multiplying fractions and whole numbers word problems - 02 - Multiplying fractions word problem_ milk.webm 1.8 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/07 - Special products of binomials - 03 - Special products of the form (ax+b)(ax-b).webm 1.8 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/07 - Special products of binomials - 03 - Special products of the form (ax+b)(ax-b).webm 1.8 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 01 - Mortgage-backed security overview.webm 1.8 MB
Math by grade/06 - 5th - 02 - Fractions/08 - Multiplying fractions - 04 - Multiplying 2 fractions_ 5_6 x 2_3.webm 1.8 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/04 - Rational number word problems - 03 - Rational number word problem_ cab.webm 1.8 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/10 - Factoring polynomials with special product forms - 03 - Factoring difference of squares_ two variables (example 2).webm 1.8 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/04 - Factoring polynomials - Special product forms - 06 - Factoring difference of squares_ two variables (example 2).webm 1.8 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 02 - Compass_ Which way is north_.webm 1.8 MB
Math by grade/05 - 4th - 08 - Place value and rounding/01 - Intro to place value - 01 - Finding place value.webm 1.8 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 01 - Testing if a relationship is a function.webm 1.8 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/02 - Inputs and outputs of a function - 01 - Worked example_ matching an input to a function's output (equation).webm 1.8 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/02 - Inputs and outputs of a function - 01 - Worked example_ matching an input to a function's output (equation).webm 1.8 MB
Math by grade/09 - 8th - 05 - Geometry/09 - Rotations - 02 - Performing rotations.webm 1.8 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/01 - Introduction to rigid transformations - 03 - Performing rotations.webm 1.8 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/01 - Introduction to rigid transformations - 03 - Performing rotations.webm 1.8 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/08 - Two-step inequalities - 03 - Two-step inequality word problem_ RandB.webm 1.8 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/03 - Two-step inequalities - 03 - Two-step inequality word problem_ RandB.webm 1.8 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/09 - Linear and nonlinear functions - 02 - Linear and nonlinear functions_ table.webm 1.8 MB
Computing/04 - Computer animation - 12 - Crowds/01 - Building crowds - 05 - 4. Counting with trees.webm 1.8 MB
Math by grade/06 - 5th - 02 - Fractions/06 - Multiplying fractions and whole numbers - 01 - Multiplying fractions by whole numbers on a number line.webm 1.7 MB
Math by grade/09 - 8th - 01 - Numbers and operations/03 - Irrational numbers - 02 - Classifying numbers_ rational and irrational.webm 1.7 MB
Math by grade/10 - High school/02 - Mathematics II - 05 - Rational and irrational numbers/01 - Irrational numbers - 02 - Classifying numbers_ rational and irrational.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 17 - Rational and irrational numbers/01 - Irrational numbers - 02 - Classifying numbers_ rational and irrational.webm 1.7 MB
Math by grade/05 - 4th - 08 - Place value and rounding/01 - Intro to place value - 02 - Creating the largest number.webm 1.7 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/05 - Picture graphs - 03 - Interpreting picture graphs_ paint.webm 1.7 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/03 - Interpreting linear expressions - 01 - Interpreting linear expressions_ diamonds.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/09 - Interpreting linear expressions - 01 - Interpreting linear expressions_ diamonds.webm 1.7 MB
Math by grade/05 - 4th - 03 - Fractions/13 - Fractions with denominators of 10 and 100 - 03 - Decomposing hundredths on number line.webm 1.7 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/05 - Verb aspect_ simple, progressive, and perfect - 02 - Simple Aspect.webm 1.7 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/02 - Adding with regrouping within 1000 - 02 - Adding 3-digit numbers.webm 1.7 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 01 - Adding 3-digit numbers.webm 1.7 MB
Math by grade/05 - 4th - 03 - Fractions/07 - Adding and subtracting fractions_ word problems - 02 - Fraction word problem_ spider eyes.webm 1.7 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/08 - Factoring quadratics_ Difference of squares - 02 - Factoring difference of squares_ leading coefficient ≠ 1.webm 1.7 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/04 - Factoring polynomials - Special product forms - 02 - Factoring difference of squares_ leading coefficient ≠ 1.webm 1.7 MB
Computing/04 - Computer animation - 08 - Rigging/01 - Introduction to Rigging - 05 - 4. Putting everything together.webm 1.7 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/02 - Ratio word problems - 02 - Ratio word problem_ boys to girls.webm 1.7 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/02 - Substitution and evaluating expressions - 01 - Evaluating an expression with one variable.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/02 - Introduction to variables - 03 - Evaluating an expression with one variable.webm 1.7 MB
Math by grade/09 - 8th - 06 - Data and modeling/04 - Two-way tables - 03 - Interpreting two-way tables.webm 1.7 MB
Math by grade/10 - High school/01 - Mathematics I - 10 - Two-way tables/02 - Two-way relative frequency tables - 02 - Interpreting two-way tables.webm 1.7 MB
Math by grade/10 - High school/07 - High school statistics - 03 - Two-way tables/02 - Two-way relative frequency tables - 02 - Interpreting two-way tables.webm 1.7 MB
Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 16 - Put-call parity clarification.webm 1.7 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/01 - Time - 06 - Time word problem_ puzzle.webm 1.7 MB
Math by grade/05 - 4th - 05 - Measurement and data/04 - Time - 03 - Time word problem_ puzzle.webm 1.7 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/03 - Counting objects - 01 - Counting in pictures.webm 1.7 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/11 - Average rate of change - 03 - Worked example_ average rate of change from table.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/11 - Average rate of change - 03 - Worked example_ average rate of change from table.webm 1.7 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/08 - Dependent and independent variables - 03 - Dependent and independent variables_ equation.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/06 - Dependent and independent variables - 03 - Dependent and independent variables_ equation.webm 1.7 MB
Math by grade/04 - 3rd - 03 - Fractions/01 - Fractions intro - 02 - Cutting shapes into equal parts.webm 1.7 MB
Math by grade/09 - 8th - 05 - Geometry/01 - Angles between intersecting lines - 03 - Missing angles with a transversal.webm 1.7 MB
Math by grade/10 - High school/05 - High school geometry - 01 - Geometry foundations/02 - Angles - 12 - Missing angles with a transversal.webm 1.7 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/02 - Adding and subtracting polynomials - 04 - Adding and subtracting multiple polynomials.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/02 - Adding and subtracting polynomials - 04 - Adding and subtracting multiple polynomials.webm 1.7 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/01 - Adding and subtracting polynomials - 01 - Adding and subtracting multiple polynomials.webm 1.7 MB
Math by grade/10 - High school/01 - Mathematics I - 14 - Geometry transformations/02 - Translations - 02 - Determining translations.webm 1.7 MB
Math by grade/10 - High school/05 - High school geometry - 02 - Transformations/02 - Translations - 02 - Determining translations.webm 1.7 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/04 - One-step multiplication and division equations - 02 - One-step multiplication equations.webm 1.7 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/04 - One-step multiplication and division equations - 02 - One-step multiplication equations.webm 1.7 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/03 - Intro to rates - 03 - Solving unit price problem.webm 1.7 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 04 - Function notation example.webm 1.7 MB
Math by grade/06 - 5th - 05 - Geometry/02 - Coordinate plane word problems - 02 - Coordinate plane graphing word problem.webm 1.7 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/05 - Addition and subtraction word problems - 01 - Addition word problems within 10.webm 1.7 MB
Math by grade/07 - 6th - 07 - Equivalent expressions/03 - The distributive property - 02 - Distributive property over subtraction.webm 1.7 MB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/06 - Multiplying matrices by scalars - 01 - Multiplying matrices by scalars.webm 1.7 MB
Math by grade/05 - 4th - 04 - Decimals/05 - Converting decimals to fractions - 01 - Rewriting decimals as fractions_ 0.15.webm 1.7 MB
Computing/01 - Computer programming - 03 - Intro to SQL_ Querying and managing data/01 - SQL basics - 02 - S-Q-L or SEQUEL_.webm 1.7 MB
Math by grade/03 - 2nd - 04 - Measurement and data/07 - Time - 02 - Telling time (unlabeled clock).webm 1.7 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/02 - Making 10 - 02 - Adding to 10.webm 1.7 MB
Math by grade/07 - 6th - 03 - Negative numbers/05 - Absolute value - 01 - Absolute value examples.webm 1.7 MB
Math by grade/10 - High school/02 - Mathematics II - 14 - Probability/03 - Probability with counting, permutations, combinations - 01 - Probability with counting outcomes.webm 1.6 MB
Math by grade/10 - High school/07 - High school statistics - 05 - Probability/04 - Probability with counting, permutations, combinations - 01 - Probability with counting outcomes.webm 1.6 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/03 - Compound probability of independent events using diagrams - 02 - Probability with counting outcomes.webm 1.6 MB
Math by grade/10 - High school/09 - Precalculus - 06 - Probability and combinatorics/08 - Probability using combinatorics - 03 - Probability with counting outcomes.webm 1.6 MB
Math by grade/04 - 3rd - 01 - Addition and subtraction/03 - Subtracting with regrouping within 1000 - 04 - Worked example_ Subtracting 3-digit numbers (regrouping from 0).webm 1.6 MB
Math by grade/05 - 4th - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 04 - Worked example_ Subtracting 3-digit numbers (regrouping from 0).webm 1.6 MB
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/01 - Introduction to verbs - 01 - Introduction to verbs.webm 1.6 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/07 - Dividing fractions by fractions - 04 - Dividing whole numbers and fractions_ t-shirts.webm 1.6 MB
Arts and humanities/04 - Art history/01 - Art history basics - 04 - Materials and techniques/04 - Painting - 12 - Art Terms in Action_ Turpentine Burn.webm 1.6 MB
Math by grade/08 - 7th - 05 - Expressions, equations, and inequalities/06 - Two-step equation word problems - 02 - Two-step equation word problem_ garden.webm 1.6 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/06 - Two-step equation word problems - 02 - Two-step equation word problem_ garden.webm 1.6 MB
Math by grade/06 - 5th - 04 - Measurement and data/02 - Finding volume - 01 - Volume of a rectangular prism.webm 1.6 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/10 - Factoring polynomials with special product forms - 01 - Factoring perfect squares_ 4th degree polynomial.webm 1.6 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/04 - Factoring polynomials - Special product forms - 05 - Factoring perfect squares_ 4th degree polynomial.webm 1.6 MB
Math by grade/05 - 4th - 02 - Multiplication and division/03 - Multi-digit multiplication_ standard algorithm - 04 - Multiplying 3-digit by 1-digit (regrouping).webm 1.6 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/02 - Adding and subtracting polynomials - 02 - Subtracting polynomials.webm 1.6 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/02 - Adding and subtracting polynomials - 02 - Subtracting polynomials.webm 1.6 MB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/04 - Adding and subtracting complex numbers - 02 - Subtracting complex numbers.webm 1.6 MB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/04 - Adding and subtracting complex numbers - 02 - Subtracting complex numbers.webm 1.6 MB
Math by grade/03 - 2nd - 01 - Place value/02 - Comparing 3-digit numbers - 01 - Comparing whole numbers.webm 1.6 MB
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/02 - Titrations - 10 - 2015 AP Chemistry free response 3c.webm 1.6 MB
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 12 - 2015 AP Chemistry free response 3c.webm 1.6 MB
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/02 - Titrations - 10 - 2015 AP Chemistry free response 3c.webm 1.6 MB
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 12 - 2015 AP Chemistry free response 3c.webm 1.6 MB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 05 - Points and quadrants example.webm 1.6 MB
Test prep/02 - MCAT - 13 - Society and culture/03 - Culture - 06 - Diffusion.webm 1.6 MB
Math by grade/04 - 3rd - 04 - Measurement and geometry/13 - Perimeter - 02 - Perimeter of a shape.webm 1.6 MB
Math by grade/10 - High school/04 - Algebra I - 09 - Systems of linear equations/05 - Manipulating expressions with unknown variables - 01 - Manipulating expressions using structure.webm 1.6 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/09 - Linear and nonlinear functions - 04 - Linear and nonlinear functions_ missing value.webm 1.6 MB
Math by grade/08 - 7th - 06 - Geometry/02 - Area and circumference challenge problems - 02 - Area of a shaded region.webm 1.6 MB
Math by grade/05 - 4th - 06 - Geometry/02 - Parallel and perpendicular - 03 - Drawing parallel line segments.webm 1.6 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/06 - Percent problems - 02 - Percent of a whole number.webm 1.5 MB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/05 - Percent-decimal conversions - 02 - Converting decimals to percents_ 1.501.webm 1.5 MB
Arts and humanities/05 - Grammar - 08 - Punctuation_ the colon, semicolon, and more/01 - Introduction to colons - 02 - The colon as a separator.webm 1.5 MB
Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 01 - Primality test challenge.webm 1.5 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 02 - Subtracting polynomials_ two variables.webm 1.5 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/03 - Adding and subtracting polynomials_ two variables - 02 - Subtracting polynomials_ two variables.webm 1.5 MB
Math by grade/10 - High school/06 - Algebra II - 03 - Arithmetic with polynomials/01 - Adding and subtracting polynomials - 02 - Subtracting polynomials_ two variables.webm 1.5 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/04 - Ant bot - 02 - Robot construction.webm 1.5 MB
Math by grade/05 - 4th - 02 - Multiplication and division/03 - Multi-digit multiplication_ standard algorithm - 03 - Multiplying_ 2-digit by 1-digit (regrouping).webm 1.5 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/06 - Determining the domain of a function - 01 - Domain of a radical function.webm 1.5 MB
Math by grade/10 - High school/03 - Mathematics III - 03 - Radical equations and functions/04 - Domain of radical functions - 01 - Domain of a radical function.webm 1.5 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/06 - Determining the domain of a function - 01 - Domain of a radical function.webm 1.5 MB
Math by grade/10 - High school/06 - Algebra II - 05 - Radical equations and functions/04 - Domain of radical functions - 01 - Domain of a radical function.webm 1.5 MB
Math by grade/05 - 4th - 06 - Geometry/07 - Angle types - 04 - Identifying an angle.webm 1.5 MB
Math by grade/10 - High school/02 - Mathematics II - 03 - Polynomial factorization/10 - Factoring polynomials with special product forms - 02 - Factoring difference of squares_ two variables.webm 1.5 MB
Math by grade/10 - High school/06 - Algebra II - 04 - Polynomial expressions, equations, and functions/04 - Factoring polynomials - Special product forms - 01 - Factoring difference of squares_ two variables.webm 1.5 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/05 - Writing algebraic expressions introduction - 02 - Writing expressions with variables.webm 1.5 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/05 - Writing algebraic expressions introduction - 02 - Writing expressions with variables.webm 1.5 MB
Science & engineering/08 - Biology - 21 - Evolution and the tree of life/01 - Evolution and natural selection - 02 - Ape clarification.webm 1.5 MB
Science & engineering/09 - AP Biology - 22 - Evolution and the tree of life/01 - Evolution and natural selection - 02 - Ape clarification.webm 1.5 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/03 - Coin detector - 02 - Construction.webm 1.5 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/02 - Subtracting decimals - 02 - Subtracting decimals_ 39.1 - 0.794.webm 1.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/05 - Discovery of electromagnetism - 03 - Electromagnetic field (forward vs. reverse).webm 1.5 MB
Math by grade/05 - 4th - 06 - Geometry/02 - Parallel and perpendicular - 01 - Parallel and perpendicular lines intro.webm 1.5 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/04 - Parallel and perpendicular lines on the coordinate plane - 01 - Parallel and perpendicular lines intro.webm 1.5 MB
Math by grade/10 - High school/09 - Precalculus - 03 - Vectors/04 - Vector addition and subtraction - 03 - Graphically subtracting vectors.webm 1.5 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/01 - Writing expressions - 02 - Evaluating expressions with and without parentheses.webm 1.5 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 06 - Neutralize a compass.webm 1.5 MB
Math by grade/10 - High school/02 - Mathematics II - 12 - Circles/07 - Inscribed angles - 01 - Inscribed angles.webm 1.5 MB
Math by grade/10 - High school/05 - High school geometry - 08 - Circles/07 - Inscribed angles - 01 - Inscribed angles.webm 1.5 MB
Math by grade/07 - 6th - 03 - Negative numbers/02 - Negative decimals and fractions on the number line - 02 - Decimals and fractions on the number line.webm 1.5 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/02 - Subtracting decimals - 01 - Subtracting decimals_ 9.005 - 3.6.webm 1.5 MB
Math by grade/10 - High school/02 - Mathematics II - 04 - Quadratic equations and functions/01 - Quadratic equations_ taking square root - 04 - Solving quadratics by taking square roots_ with steps.webm 1.4 MB
Math by grade/10 - High school/04 - Algebra I - 16 - Quadratic equations and functions/03 - Solving quadratics by taking square roots - 04 - Solving quadratics by taking square roots_ with steps.webm 1.4 MB
Math by grade/05 - 4th - 04 - Decimals/02 - Decimals on the number line - 01 - Graphing tenths from 0 to 1.webm 1.4 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/05 - Multiplying monomials by polynomials - 01 - Multiplying monomials by polynomials_ area model.webm 1.4 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/05 - Multiplying monomials by polynomials - 01 - Multiplying monomials by polynomials_ area model.webm 1.4 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/03 - Intercepts - 01 - x-intercept of a line.webm 1.4 MB
Math by grade/10 - High school/01 - Mathematics I - 03 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 02 - x-intercept of a line.webm 1.4 MB
Math by grade/10 - High school/04 - Algebra I - 05 - Two-variable linear equations/02 - x-intercepts and y-intercepts - 02 - x-intercept of a line.webm 1.4 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/06 - Dividing decimals - 02 - Dividing a decimal by a whole number.webm 1.4 MB
Math by grade/05 - 4th - 04 - Decimals/08 - Comparing decimals - 01 - Comparing decimal numbers on a number line.webm 1.4 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/02 - Adding and subtracting polynomials - 01 - Adding polynomials.webm 1.4 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/02 - Adding and subtracting polynomials - 01 - Adding polynomials.webm 1.4 MB
Math by grade/05 - 4th - 06 - Geometry/08 - Decomposing angles - 01 - Decomposing an angle.webm 1.4 MB
Math by grade/10 - High school/03 - Mathematics III - 05 - Exponential and logarithmic functions/01 - Introduction to logarithms - 03 - Relationship between exponentials and logarithms.webm 1.4 MB
Math by grade/10 - High school/06 - Algebra II - 08 - Exponential and logarithmic functions/01 - Introduction to logarithms - 03 - Relationship between exponentials and logarithms.webm 1.4 MB
Math by grade/06 - 5th - 03 - Place value and decimals/09 - Multiplying and dividing with powers of 10 - 04 - Dividing a decimal by a power of 10_ pattern.webm 1.4 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/07 - Constructing bisectors of lines and angles - 01 - Geometric constructions_ perpendicular bisector.webm 1.4 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/03 - Subtracting decimals - 05 - Subtracting decimals_ 10.1-3.93.webm 1.4 MB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/02 - Substitution and evaluating expressions - 02 - Evaluating expressions with two variables.webm 1.4 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/03 - Substitution and evaluating expressions - 01 - Evaluating expressions with two variables.webm 1.4 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 11 - How much electrolyte does a single cell need_.webm 1.4 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/04 - Multiplying monomials - 02 - Multiplying monomials to find area_ two variables.webm 1.4 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/04 - Multiplying monomials - 02 - Multiplying monomials to find area_ two variables.webm 1.4 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/03 - Coin detector - 01 - Demo_ coin detector.webm 1.4 MB
Math by grade/05 - 4th - 02 - Multiplication and division/03 - Multi-digit multiplication_ standard algorithm - 02 - Multiplying 3-digit by 1-digit.webm 1.4 MB
Math by grade/08 - 7th - 06 - Geometry/05 - Constructing triangles - 01 - Construct a right isosceles triangle.webm 1.4 MB
Math by grade/10 - High school/05 - High school geometry - 07 - Analytic geometry/05 - Equations of parallel and perpendicular lines - 06 - Writing equations of perpendicular lines (example 2).webm 1.4 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/03 - Number of solutions to equations - 02 - Worked example_ number of solutions to equations.webm 1.3 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/03 - Analyzing the number of solutions to linear equations - 02 - Worked example_ number of solutions to equations.webm 1.3 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/09 - Analyzing the number of solutions to linear equations - 02 - Worked example_ number of solutions to equations.webm 1.3 MB
Math by grade/05 - 4th - 02 - Multiplication and division/03 - Multi-digit multiplication_ standard algorithm - 01 - Multiplying 2-digit by 1-digit.webm 1.3 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/04 - Discovery of batteries - 05 - Electrolyte (strong acid test).webm 1.3 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/03 - Adding and subtracting decimals word problems - 01 - Adding decimals word problem.webm 1.3 MB
Math by grade/09 - 8th - 05 - Geometry/11 - Congruence and similarity - 01 - Congruent shapes and transformations.webm 1.3 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/01 - Transformations and congruence - 01 - Congruent shapes and transformations.webm 1.3 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/03 - One-step addition and subtraction equations - 02 - One-step subtraction equations.webm 1.3 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/03 - One-step addition and subtraction equations - 02 - One-step subtraction equations.webm 1.3 MB
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/01 - Converting fractions to decimals - 03 - Fraction to decimal_ 11_25.webm 1.3 MB
Math by grade/08 - 7th - 01 - Negative numbers_ addition and subtraction/02 - Intro to subtracting negative numbers - 02 - Subtracting a negative = adding a positive.webm 1.3 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 09 - Does a vertical line represent a function_.webm 1.3 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/07 - Recognizing functions - 02 - Does a vertical line represent a function_.webm 1.3 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/07 - Recognizing functions - 02 - Does a vertical line represent a function_.webm 1.3 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/03 - Number of solutions to equations - 04 - Creating an equation with infinitely many solutions.webm 1.3 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/03 - Analyzing the number of solutions to linear equations - 04 - Creating an equation with infinitely many solutions.webm 1.3 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/09 - Analyzing the number of solutions to linear equations - 04 - Creating an equation with infinitely many solutions.webm 1.3 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 04 - Floating magnet.webm 1.3 MB
Math by grade/05 - 4th - 08 - Place value and rounding/05 - Comparing multi-digit numbers - 02 - Comparing whole number place values.webm 1.3 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/08 - Exponents - 03 - Powers of fractions.webm 1.3 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/01 - Graphing proportional relationships - 01 - Rates and proportional relationships example.webm 1.2 MB
Math by grade/07 - 6th - 08 - Geometry/07 - Polygons on the coordinate plane - 01 - Drawing a quadrilateral on the coordinate plane example.webm 1.2 MB
Math by grade/06 - 5th - 03 - Place value and decimals/04 - Comparing decimals - 04 - Ordering decimals 2.webm 1.2 MB
Math by grade/06 - 5th - 01 - Arithmetic operations/02 - Adding decimals - 06 - Adding decimals_ 0.822+5.65.webm 1.2 MB
Math by grade/07 - 6th - 02 - Arithmetic operations/01 - Adding decimals - 02 - Adding decimals_ 0.822+5.65.webm 1.2 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/03 - Counting objects - 02 - Counting objects 1.webm 1.2 MB
Math by grade/09 - 8th - 05 - Geometry/11 - Congruence and similarity - 02 - Non-congruent shapes and transformations.webm 1.2 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/01 - Transformations and congruence - 02 - Non-congruent shapes and transformations.webm 1.2 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/03 - Measuring magnetic fields - 02 - Earth's magnetic field (how to measure).webm 1.2 MB
Math by grade/09 - 8th - 06 - Data and modeling/03 - Estimating lines of best fit - 01 - Estimating the line of best fit exercise.webm 1.2 MB
Math by grade/10 - High school/01 - Mathematics I - 08 - Scatterplots/02 - Estimating with trend lines - 01 - Estimating the line of best fit exercise.webm 1.2 MB
Math by grade/10 - High school/07 - High school statistics - 01 - Scatterplots/02 - Estimating with trend lines - 01 - Estimating the line of best fit exercise.webm 1.2 MB
Math by grade/01 - Kindergarten - 01 - Counting and place value/04 - Comparing small numbers - 02 - Comparing numbers on the number line.webm 1.2 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/01 - Evaluating functions - 04 - Worked example_ evaluating expressions with function notation.webm 1.2 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/01 - Evaluating functions - 04 - Worked example_ evaluating expressions with function notation.webm 1.2 MB
Science & engineering/01 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 04 - Correction to force of friction keeping the block stationary.webm 1.2 MB
Science & engineering/02 - AP Physics 1 - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 04 - Correction to force of friction keeping the block stationary.webm 1.2 MB
Test prep/02 - MCAT - 08 - Physical processes/07 - Forces on inclined planes - 04 - Correction to force of friction keeping the block stationary.webm 1.2 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/02 - Inputs and outputs of a function - 02 - Worked example_ matching an input to a function's output (graph).webm 1.2 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/02 - Inputs and outputs of a function - 02 - Worked example_ matching an input to a function's output (graph).webm 1.2 MB
Math by grade/04 - 3rd - 03 - Fractions/02 - What fractions mean - 02 - Recognizing fractions greater than 1.webm 1.1 MB
Math by grade/10 - High school/05 - High school geometry - 03 - Congruence/07 - Constructing bisectors of lines and angles - 02 - Geometric constructions_ perpendicular line.webm 1.1 MB
Math by grade/05 - 4th - 05 - Measurement and data/05 - Converting units of mass - 02 - Converting pounds to ounces.webm 1.1 MB
Math by grade/06 - 5th - 02 - Fractions/10 - Multiplying fractions word problems - 02 - Multiplying fractions word problem_ laundry.webm 1.1 MB
Science & engineering/01 - Physics - 18 - Discoveries and projects/05 - Discovery of electromagnetism - 01 - Discovery of electromagnetism.webm 1.1 MB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/02 - Light guitar - 01 - Demo_ light guitar.webm 1.1 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/09 - Intervals where a function is positive, negative, increasing, or decreasing - 02 - Worked example_ positive and negative intervals.webm 1.1 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/09 - Intervals where a function is positive, negative, increasing, or decreasing - 02 - Worked example_ positive and negative intervals.webm 1.1 MB
Math by grade/06 - 5th - 06 - Algebraic thinking/01 - Writing expressions - 01 - Constructing numerical expressions.webm 1.1 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 05 - Recognizing functions from verbal description.webm 1.1 MB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/07 - Recognizing functions - 04 - Recognizing functions from verbal description.webm 1.1 MB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/07 - Recognizing functions - 04 - Recognizing functions from verbal description.webm 1.1 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/07 - Intro to inequalities with variables - 03 - Plotting an inequality example.webm 1.1 MB
Math by grade/10 - High school/04 - Algebra I - 03 - One-variable linear inequalities/01 - Introduction to inequalities with variables - 03 - Plotting an inequality example.webm 1.1 MB
Math by grade/09 - 8th - 02 - Solving equations with one unknown/03 - Number of solutions to equations - 03 - Creating an equation with no solutions.webm 1.1 MB
Math by grade/10 - High school/01 - Mathematics I - 01 - Equations and inequalities in one variable/03 - Analyzing the number of solutions to linear equations - 03 - Creating an equation with no solutions.webm 1.1 MB
Math by grade/10 - High school/04 - Algebra I - 02 - One-variable linear equations/09 - Analyzing the number of solutions to linear equations - 03 - Creating an equation with no solutions.webm 1.1 MB
Math by grade/01 - Kindergarten - 02 - Addition and subtraction/05 - Addition and subtraction word problems - 02 - Subtraction word problems within 10.webm 1.1 MB
Math by grade/05 - 4th - 02 - Multiplication and division/04 - Comparing with multiplication - 05 - Comparing with multiplication_ magic.webm 1.1 MB
Math by grade/07 - 6th - 06 - Equations and inequalities introduction/08 - Dependent and independent variables - 02 - Dependent and independent variables_ graphing.webm 1.1 MB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/06 - Dependent and independent variables - 02 - Dependent and independent variables_ graphing.webm 1.1 MB
Math by grade/10 - High school/04 - Algebra I - 10 - Two-variable linear inequalities/01 - Checking solutions of two-variable inequalities - 02 - Testing solutions to systems of inequalities.webm 1.0 MB
Math by grade/05 - 4th - 04 - Decimals/05 - Converting decimals to fractions - 03 - Rewriting decimals as fractions_ 0.36.webm 1.0 MB
Math by grade/05 - 4th - 05 - Measurement and data/01 - Estimating mass - 02 - Choose pounds or ounces to measure weight.webm 1.0 MB
Math by grade/10 - High school/01 - Mathematics I - 11 - Sequences/01 - Introduction to arithmetic sequences - 03 - Extending arithmetic sequences.webm 1.0 MB
Math by grade/10 - High school/04 - Algebra I - 08 - Sequences/01 - Introduction to arithmetic sequences - 03 - Extending arithmetic sequences.webm 1.0 MB
Math by grade/07 - 6th - 03 - Negative numbers/02 - Negative decimals and fractions on the number line - 01 - Negative decimals on the number line.webm 1.0 MB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/09 - Polynomials word problems - 03 - Polynomial word problem_ total value of bills.webm 1.0 MB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/09 - Polynomials word problems - 03 - Polynomial word problem_ total value of bills.webm 1.0 MB
Math by grade/09 - 8th - 03 - Linear equations and functions/01 - Graphing proportional relationships - 04 - Graphing proportional relationships from a table.webm 1.0 MB
Math by grade/06 - 5th - 03 - Place value and decimals/11 - Regrouping decimal numbers - 03 - Regrouping whole numbers_ 430.webm 1.0 MB
Math by grade/06 - 5th - 03 - Place value and decimals/05 - Rounding decimals - 01 - Worked example_ Rounding decimals to nearest tenth.webm 1017.2 KB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/04 - Adding and subtracting complex numbers - 01 - Adding complex numbers.webm 1013.3 KB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/04 - Adding and subtracting complex numbers - 01 - Adding complex numbers.webm 1013.3 KB
Science & engineering/01 - Physics - 18 - Discoveries and projects/02 - Discovery of magnetic fields - 02 - Tracing a magnetic field.webm 1000.0 KB
Math by grade/05 - 4th - 06 - Geometry/03 - Angle introduction - 02 - Naming angles.webm 996.9 KB
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/02 - Ratio word problems - 01 - Ratio word problem_ centimeters to kilometers.webm 994.3 KB
Math by grade/10 - High school/02 - Mathematics II - 06 - Introduction to complex numbers/03 - The complex plane - 01 - Plotting numbers on the complex plane.webm 993.9 KB
Math by grade/10 - High school/09 - Precalculus - 05 - Imaginary and complex numbers/03 - The complex plane - 01 - Plotting numbers on the complex plane.webm 993.9 KB
Math by grade/01 - Kindergarten - 01 - Counting and place value/01 - Counting small numbers - 01 - Counting with small numbers.webm 993.9 KB
Science & engineering/01 - Physics - 18 - Discoveries and projects/05 - Discovery of electromagnetism - 02 - Electromagnetic field (above vs. below).webm 973.0 KB
Math by grade/09 - 8th - 03 - Linear equations and functions/08 - Recognizing functions - 04 - Checking if a table represents a function.webm 969.4 KB
Math by grade/07 - 6th - 05 - Variables and expressions introduction/04 - Evaluating expressions word problems - 01 - Evaluating expressions with variables_ temperature.webm 969.0 KB
Math by grade/10 - High school/04 - Algebra I - 01 - Introduction to algebra/04 - Evaluating expressions word problems - 01 - Evaluating expressions with variables_ temperature.webm 969.0 KB
Science & engineering/11 - Electrical engineering - 08 - Lego robotics/04 - Ant bot - 01 - Demo_ ant bot.webm 955.6 KB
Science & engineering/07 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 02 - Triple bonds cause linear configurations.webm 939.9 KB
Math by grade/08 - 7th - 04 - Rates and proportional relationships/02 - Identifying proportional relationships - 04 - Proportional relationships_ spaghetti.webm 939.2 KB
Math by grade/04 - 3rd - 03 - Fractions/03 - Fractions on the number line - 02 - Fractions on number line widget.webm 929.1 KB
Math by grade/10 - High school/01 - Mathematics I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 02 - Understanding square roots.webm 925.8 KB
Math by grade/10 - High school/04 - Algebra I - 12 - Expressions with rational exponents and radicals/02 - Radicals - 02 - Understanding square roots.webm 925.8 KB
Math by grade/10 - High school/09 - Precalculus - 04 - Matrices/11 - The determinant of a 2x2 matrix - 01 - Determinant of a 2x2 matrix.webm 915.5 KB
Math by grade/07 - 6th - 02 - Arithmetic operations/07 - Dividing fractions by fractions - 02 - Dividing fractions_ 2_5 ÷ 7_3.webm 906.2 KB
Math by grade/07 - 6th - 03 - Negative numbers/06 - Coordinate plane - 03 - Finding the point not graphed.webm 889.1 KB
Math by grade/06 - 5th - 01 - Arithmetic operations/03 - Subtracting decimals - 06 - Subtracting decimals_ 9.57-8.09.webm 843.1 KB
Science & engineering/07 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 04 - Friedel crafts acylation addendum.webm 836.4 KB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/04 - Multiplying monomials - 03 - Multiplying monomials to find area.webm 829.8 KB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/04 - Multiplying monomials - 03 - Multiplying monomials to find area.webm 829.8 KB
Science & engineering/01 - Physics - 18 - Discoveries and projects/01 - Discovery of magnetism - 07 - Compass interactions.webm 821.5 KB
Math by grade/10 - High school/02 - Mathematics II - 02 - Introduction to polynomials/01 - Intro to polynomials - 03 - Evaluating polynomials.webm 804.0 KB
Math by grade/10 - High school/04 - Algebra I - 14 - Introduction to polynomials/01 - Intro to polynomials - 03 - Evaluating polynomials.webm 804.0 KB
Math by grade/05 - 4th - 05 - Measurement and data/09 - Money word problems - 02 - Currency conversion word problem.webm 797.7 KB
Math by grade/05 - 4th - 08 - Place value and rounding/06 - Rounding whole numbers - 03 - Rounding whole numbers to nearest ten.webm 784.8 KB
Math by grade/05 - 4th - 04 - Decimals/05 - Converting decimals to fractions - 02 - Rewriting decimals as fractions_ 0.8.webm 767.6 KB
Math by grade/04 - 3rd - 04 - Measurement and geometry/04 - Bar graphs - 02 - Reading bar graphs_ Harry Potter.webm 757.9 KB
Math by grade/01 - Kindergarten - 01 - Counting and place value/04 - Comparing small numbers - 03 - Counting by category.webm 747.6 KB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 02 - Worked example_ Evaluating functions from equation.webm 688.9 KB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/01 - Evaluating functions - 02 - Worked example_ Evaluating functions from equation.webm 688.9 KB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/01 - Evaluating functions - 02 - Worked example_ Evaluating functions from equation.webm 688.9 KB
Science & engineering/01 - Physics - 18 - Discoveries and projects/08 - Electrostatics - 02 - Pith ball electroscope.webm 644.6 KB
Math by grade/10 - High school/03 - Mathematics III - 04 - Rational expressions, equations, and functions/02 - Simplifying rational expressions - 08 - Simplifying rational expressions (old video).webm 637.9 KB
Math by grade/10 - High school/06 - Algebra II - 06 - Rational expressions, equations, and functions/01 - Simplifying rational expressions - 08 - Simplifying rational expressions (old video).webm 637.9 KB
Science & engineering/01 - Physics - 18 - Discoveries and projects/03 - Measuring magnetic fields - 01 - Are 2 magnets stronger than 1_.webm 637.8 KB
Math by grade/05 - 4th - 05 - Measurement and data/07 - Converting units of length - 02 - Converting feet to inches.webm 634.7 KB
Math by grade/09 - 8th - 03 - Linear equations and functions/06 - Functions and function notation - 03 - Worked example_ evaluating functions from graph.webm 560.3 KB
Math by grade/10 - High school/01 - Mathematics I - 04 - Functions/01 - Evaluating functions - 03 - Worked example_ evaluating functions from graph.webm 560.3 KB
Math by grade/10 - High school/04 - Algebra I - 06 - Functions/01 - Evaluating functions - 03 - Worked example_ evaluating functions from graph.webm 560.3 KB
readme.txt 1.3 KB
Arts and humanities/02 - US history - 01 - The historian's toolkit/01 - How to think like a historian - 04 - Avoiding common mistakes in historical essays.webm 0 bytes
Arts and humanities/03 - AP US History - 01 - AP US History skills and test strategies/01 - Thinking like a historian - 04 - Avoiding common mistakes in historical essays.webm 0 bytes
Arts and humanities/04 - Art history/11 - Global contemporary art - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 02 - Mona Hatoum's self-contradictory objects.webm 0 bytes
Arts and humanities/04 - Art history/12 - Art of Asia - 01 - A beginner's guide to Asian art and culture/01 - Hindu art and culture, an introduction - 01 - Hindu temples.webm 0 bytes
Arts and humanities/05 - Grammar - 03 - Parts of speech_ the verb/04 - Irregular verbs - 02 - The funky -ed irregular verb.webm 0 bytes
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/01 - Introduction to pronouns - 01 - What is a pronoun_.webm 0 bytes
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/01 - Introduction to pronouns - 02 - Personal pronouns.webm 0 bytes
Arts and humanities/05 - Grammar - 04 - Parts of speech_ the pronoun/04 - Subject, object, person, and number - 03 - Pronoun number.webm 0 bytes
Computing/04 - Computer animation - 11 - Character modeling/01 - Modeling with subdivision surfaces - 03 - 2. Subdivide operation.webm 0 bytes
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 02 - Engineering a Solution to Every Problem.webm 0 bytes
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 04 - Top of the World, Ma.webm 0 bytes
Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/12 - Jason Christiansen - President and CEO of Rigid Industries - 01 - Turning a Hobby into a Bright Business.webm 0 bytes
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/04 - Intro to percents - 02 - Meaning of 109%.webm 0 bytes
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/05 - Percent-decimal conversions - 03 - Converting percents to decimals_ 59.2%.webm 0 bytes
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/05 - Percent-decimal conversions - 04 - Converting percents to decimals_ 113.9%.webm 0 bytes
Math by grade/07 - 6th - 01 - Ratios, rates, and percentages/06 - Percent problems - 04 - Percent word problem_ 78 is 15% of what number_.webm 0 bytes
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/02 - Adding and subtracting rational numbers - 02 - Adding and subtracting rational numbers_ 79% - 79.1 - 58 1_10.webm 0 bytes
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/02 - Adding and subtracting rational numbers - 03 - Adding and subtracting rational numbers_ 0.79 - 4_3 - 1_2 + 150%.webm 0 bytes
Math by grade/08 - 7th - 03 - Fractions, decimals, and percentages/03 - Percent word problems - 04 - Percent word problem_ 78 is 15% of what number_.webm 0 bytes
Science & engineering/01 - Physics - 19 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 01 - AP Physics 1 review of 1D motion.webm 0 bytes
Science & engineering/02 - AP Physics 1 - 11 - Review for AP Physics 1 exam/01 - AP Physics 1 concept review - 01 - AP Physics 1 review of 1D motion.webm 0 bytes
Science & engineering/05 - Chemistry - 10 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 05 - 2015 AP Chemistry free response 4.webm 0 bytes
Science & engineering/05 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 07 - 2015 AP Chemistry free response 7.webm 0 bytes
Science & engineering/05 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 12 - 2015 AP Chemistry free response 5.webm 0 bytes
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 16 - 2015 AP Chemistry free response 4.webm 0 bytes
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 17 - 2015 AP Chemistry free response 5.webm 0 bytes
Science & engineering/05 - Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 20 - 2015 AP Chemistry free response 7.webm 0 bytes
Science & engineering/06 - AP Chemistry - 09 - Kinetics/02 - Relationship between reaction concentrations and time - 12 - 2015 AP Chemistry free response 5.webm 0 bytes
Science & engineering/06 - AP Chemistry - 10 - Thermodynamics/02 - Enthalpy - 07 - 2015 AP Chemistry free response 7.webm 0 bytes
Science & engineering/06 - AP Chemistry - 13 - Buffers, titrations, and solubility equilibria/03 - Solubility equilibria - 05 - 2015 AP Chemistry free response 4.webm 0 bytes
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 16 - 2015 AP Chemistry free response 4.webm 0 bytes
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 17 - 2015 AP Chemistry free response 5.webm 0 bytes
Science & engineering/06 - AP Chemistry - 15 - Studying for the AP Chemistry exam_/01 - 2015 AP Chemistry free response questions - 20 - 2015 AP Chemistry free response 7.webm 0 bytes
Science & engineering/10 - Health and medicine - 18 - Infectious diseases/06 - HIV and AIDS - 01 - What is HIV and AIDS_.webm 0 bytes
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 01 - Series resistors.webm 0 bytes
Science & engineering/11 - Electrical engineering - 02 - Circuit analysis/02 - Resistor circuits - 02 - Parallel resistors (part 1).webm 0 bytes
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/01 - Sexually transmitted diseases - 16 - What are warts_.webm 0 bytes
Test prep/05 - NCLEX-RN - 20 - Infectious diseases/03 - HIV and AIDS - 01 - What is HIV and AIDS_.webm 0 bytes

KA

File List

Download Torrent

Related Resources

Copyright Infringement