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  • 02:09 Frequency Stability

    Frequency Stability

    329 views / 0 likes - added

    Can humans generate truly random sequences More free lessons at: http://www.khanacademy.org/video?v=vVXbgbMp0oY

  • 08:16 Law of Demand

    Law of Demand

    277 views / 0 likes - added

    Example of the law of demand More free lessons at: http://www.khanacademy.org/video?v=ShzPtU7IOXs

  • 05:48 Price of Related Products and Demand

    Price of Related Products and Demand

    363 views / 0 likes - added

    How changes in the price of related goods can shift demand More free lessons at: http://www.khanacademy.org/video?v=-oClpRv7msg

  • 03:33 Changes in Income, Population, or Preferences

    Changes in Income, Population, or Preferences

    416 views / 0 likes - added

    How demand can be effected by changes in income, population or preferences More free lessons at: http://www.khanacademy.org/video?v=do1HDIdfQkU

  • 05:56 Normal and Inferior Goods

    Normal and Inferior Goods

    313 views / 0 likes - added

    How the demand for some goods could actually go down if incomes go up More free lessons at: http://www.khanacademy.org/video?v=wYuAwm-5-Bk

  • 10:17 Market Equilibrium

    Market Equilibrium

    406 views / 0 likes - added

    Equilibrium price and quantity for supply and demand More free lessons at: http://www.khanacademy.org/video?v=PEMkfgrifDw

  • 09:05 Changes in Market Equilibrium

    Changes in Market Equilibrium

    321 views / 0 likes - added

    How the equilibrium price or quantity might change due to changes in supply or demand More free lessons at: http://www.khanacademy.org/video?v=NgPqyM3I_8o

  • 13:17 Price Elasticity of Demand

    Price Elasticity of Demand

    305 views / 0 likes - added

    Introduction to price elasticity of demand More free lessons at: http://www.khanacademy.org/video?v=slP8XZ6Nq40

  • 06:01 More on Elasticity of Demand

    More on Elasticity of Demand

    311 views / 0 likes - added

    Looking a bit deeper at why elasticity changes despite having a linear demand curve More free lessons at: http://www.khanacademy.org/video?v=YOT8ryWzwbY

  • 09:41 Perfect Inelasticity and Perfect Elasticity of Demand

    Perfect Inelasticity and Perfect Elasticity of Demand

    369 views / 0 likes - added

    Extreme examples of price elasticity of demand More free lessons at: http://www.khanacademy.org/video?v=6udRtn5jSWk

  • 04:37 Constant Unit Elasticity

    Constant Unit Elasticity

    295 views / 0 likes - added

    What a demand curve with constant unit elasticity would look like More free lessons at: http://www.khanacademy.org/video?v=m7qXvQvWlY4

  • 11:20 Cross Elasticity of Demand

    Cross Elasticity of Demand

    298 views / 0 likes - added

    Price of one good effecting quantity demanded of another More free lessons at: http://www.khanacademy.org/video?v=Ngv0Be9NxAw

  • 05:53 Demand Curve as Marginal Benefit Curve

    Demand Curve as Marginal Benefit Curve

    323 views / 0 likes - added

    Thinking about a demand curve in terms of quantity driving price More free lessons at: http://www.khanacademy.org/video?v=KrkbbRxdDZ8

  • 05:46 Total Consumer Surplus as Area

    Total Consumer Surplus as Area

    263 views / 0 likes - added

    Looking at consumer surplus as area between the demand curve and the market price More free lessons at: http://www.khanacademy.org/video?v=RBUBIRtn0xQ

  • 07:51 Taxes and Perfectly Inelastic Demand

    Taxes and Perfectly Inelastic Demand

    295 views / 0 likes - added

    Who bears the burden for the taxes when demand is inelastic More free lessons at: http://www.khanacademy.org/video?v=lsn16U5DWD4

  • 06:52 Taxes and Perfectly Elastic Demand

    Taxes and Perfectly Elastic Demand

    300 views / 0 likes - added

    Who bears the burden for a tax on a good with perfectly elastic demand More free lessons at: http://www.khanacademy.org/video?v=z1yJPpGC3-o

  • 08:43 Deriving Demand Curve from Tweaking Marginal Utility per Dollar

    Deriving Demand Curve from Tweaking Marginal Utility per Dollar

    348 views / 0 likes - added

    Seeing what happens to quantity demanded when price changes More free lessons at: http://www.khanacademy.org/video?v=4-_-wQc3EGE

  • 04:56 Optional Calculus Proof to Show that MR has Twice Slope of Demand

    Optional Calculus Proof to Show that MR has Twice Slope of Demand

    351 views / 0 likes - added

    Using some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist More free lessons at: http://www.khanacademy.org/video?v=atI4QH2acuw

  • 09:02 How Many People to Hire Given the MPR curve

    How Many People to Hire Given the MPR curve

    390 views / 0 likes - added

    Thinking about how many people it makes sense to hire. Brief discussion of a monopsony. More free lessons at: http://www.khanacademy.org/video?v=p8PSIpMkEvA

  • 06:18 Adding Demand Curves

    Adding Demand Curves

    271 views / 0 likes - added

    How to add demand curves More free lessons at: http://www.khanacademy.org/video?v=gHs3zuRek7o

  • 09:54 Interest as Rent for Money

    Interest as Rent for Money

    329 views / 0 likes - added

    Thinking about interest as the price of money. Looking at money from a supply and demand perspective More free lessons at: http://www.khanacademy.org/video?v=Lru0vKmkzR8

  • 07:34 Money Supply and Demand Impacting Interest Rates

    Money Supply and Demand Impacting Interest Rates

    266 views / 0 likes - added

    Examples showing how various factors can affect interest rates More free lessons at: http://www.khanacademy.org/video?v=vItRHYu-A88

  • 13:53 Aggregate Demand

    Aggregate Demand

    282 views / 0 likes - added

    Understanding how aggregate demand is different from demand for a specific good or service. Justifications for the aggregate demand curve being downward sloping More free lessons at: http://www.khanacademy.org/video?v=oLhohwfwf_U

  • 05:18 Shifts in Aggregate Demand

    Shifts in Aggregate Demand

    241 views / 0 likes - added

    Factors that might shift aggregate demand More free lessons at: http://www.khanacademy.org/video?v=scN-1B6plos

  • 09:18 Demand-Pull Inflation under Johnson

    Demand-Pull Inflation under Johnson

    346 views / 0 likes - added

    Thinking about whether inflation in the late 1960s is consistent with the AD-AS model More free lessons at: http://www.khanacademy.org/video?v=HdqbCvqTb20

  • 02:40 Tax Lever of Fiscal Policy

    Tax Lever of Fiscal Policy

    273 views / 0 likes - added

    How government can effect aggregate demand through tax policy More free lessons at: http://www.khanacademy.org/video?v=BRXBCxKjiK8

  • 07:49 LM part of the IS-LM model

    LM part of the IS-LM model

    304 views / 0 likes - added

    How the theory of liquidity preference drives demand for money and the LM (liquidity preference-money supply) curve More free lessons at: http://www.khanacademy.org/video?v=yro2jLBfyDQ

  • 12:26 Human Evolution Overview

    Human Evolution Overview

    502 views / 0 likes - added

    From the extinction of the dinosaurs to humanity More free lessons at: http://www.khanacademy.org/video?v=frE1rjhH77Y

  • 06:56 Vi and Sal Explore How We Think About Scale

    Vi and Sal Explore How We Think About Scale

    369 views / 0 likes - added

    Vi Hart (http://www.youtube.com/vihart) and Sal talk about how we humans perceive things nonlinearly More free lessons at: http://www.khanacademy.org/video?v=4xfOq00BzJA

  • 13:11 IIT JEE Algebraic Manipulation

    IIT JEE Algebraic Manipulation

    496 views / 0 likes - added

    2010 Paper 1 problem 35 Algebraic Manipulation More free lessons at: http://www.khanacademy.org/video?v=zs5LM7dxyTo

  • 09:33 Structure of the Earth

    Structure of the Earth

    343 views / 0 likes - added

    Structure of the Earth - crust, mantle, core More free lessons at: http://www.khanacademy.org/video?v=4AxZ-6MOznY

  • 06:03 Plates Moving Due to Convection in Mantle

    Plates Moving Due to Convection in Mantle

    322 views / 0 likes - added

    Plates Moving Due to Convection in Mantle More free lessons at: http://www.khanacademy.org/video?v=f8GK2oEN-uI

  • 11:50 Compositional and Mechanical Layers of the Earth

    Compositional and Mechanical Layers of the Earth

    580 views / 2 likes - added

    Crust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, inner core More free lessons at: http://www.khanacademy.org/video?v=hHteUIS0OFY

  • 06:13 The Mohorovicic Seismic Discontinuity

    The Mohorovicic Seismic Discontinuity

    385 views / 0 likes - added

    The Mohorovicic Seismic Discontinuity- boundary between crust and mantle (or Moho) More free lessons at: http://www.khanacademy.org/video?v=yAQSucmHrAk

  • 13:03 Detectable Civilizations in our Galaxy 1

    Detectable Civilizations in our Galaxy 1

    279 views / 0 likes - added

    A framework for thinking about how many detectable civilizations are out there. More free lessons at: http://www.khanacademy.org/video?v=YYEgq1bweN4

  • 13:17 Collective Learning

    Collective Learning

    363 views / 0 likes - added

    How symbolic language drives collective learning and how this is one of the truly differentiating aspects of human beings relative to the rest of the animal kingdom More free lessons at: http://www.khanacademy.org/video?v=NqR_dtZu4Mo

  • 13:00 Land Productivity Limiting Human Population

    Land Productivity Limiting Human Population

    530 views / 0 likes - added

    Thinking about how we get Calories from the land limits human population densities More free lessons at: http://www.khanacademy.org/video?v=xM8szz4VB28

  • 14:22 Newman Projections

    Newman Projections

    276 views / 0 likes - added

    Newman Projections More free lessons at: http://www.khanacademy.org/video?v=IkmM4CPnqF0

  • 11:12 Newman Projections 2

    Newman Projections 2

    203 views / 0 likes - added

    Newman Projections 2 More free lessons at: http://www.khanacademy.org/video?v=ryJvNEHcuDg

  • 14:39 Double Newman Diagram for Methcyclohexane

    Double Newman Diagram for Methcyclohexane

    266 views / 0 likes - added

    Double Newman Diagram for Methcyclohexane More free lessons at: http://www.khanacademy.org/video?v=I6LsWSXx8fg

  • 02:06 Bay Area CBS Station with Salman Khan

    Bay Area CBS Station with Salman Khan

    360 views / 1 likes - added

    Bay Area CBS Station with Salman Khan Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 12:41 Taxonomy and the Tree of Life

    Taxonomy and the Tree of Life

    467 views / 0 likes - added

    The science of taxonomy and where humans fit into the tree of life More free lessons at: http://www.khanacademy.org/video?v=oHvLlS_Sc54

  • 06:41 A look at a seductive but wrong Gibbs/Spontaneity Proof

    A look at a seductive but wrong Gibbs/Spontaneity Proof

    308 views / 0 likes - added

    A look at why the "proof" of the relation between changes in Gibbs Free Energy and Spontaneity is wrong in many textbooks. More free lessons at: http://www.khanacademy.org/video?v=yYbzJs6vgv8

  • 13:21 Inflation&Deflation 3: Obama Stimulus Plan

    Inflation&Deflation 3: Obama Stimulus Plan

    400 views / 0 likes - added

    Is the stimulus large enough to offset the demand shock caused by the contraction in credit? Will it lead to inflation? More free lessons at: http://www.khanacademy.org/video?v=sZRkERfzzn4

  • 10:45 Correlation and Causality

    Correlation and Causality

    391 views / 0 likes - added

    Understanding why correlation does not imply causality (even though many in the press and some researchers often imply otherwise) More free lessons at: http://www.khanacademy.org/video?v=ROpbdO-gRUo

  • 11:59 Banking 2: A bank's income statement

    Banking 2: A bank's income statement

    446 views / 0 likes - added

    Introduction to the income statement of a bank (and to income statements in general). More free lessons at: http://www.khanacademy.org/video?v=h3lMANILkw0

  • 09:21 The housing price conundrum

    The housing price conundrum

    414 views / 0 likes - added

    Why did housing prices go up so much from 2000-2006 even though classical supply/demand would not have called for it More free lessons at: http://www.khanacademy.org/video?v=8IR5LefXVPY

  • 09:57 Singapore Math: Grade 3a Unit 2 (part 3)

    Singapore Math: Grade 3a Unit 2 (part 3)

    287 views / 0 likes - added

    A man selling balloons at a carnival.

  • 09:29 Tension in an accelerating system and pie in the face

    Tension in an accelerating system and pie in the face

    413 views / 0 likes - added

    The second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to accelerate a pie for it to safely reach a man's face. More free lessons at: http://www.khanacademy.org/vide

  • 06:30 Presidential Power: Crash Course Government and Politics #11

    Presidential Power: Crash Course Government and Politics #11

    473 views / 0 likes - added

    This week Craig looks at the expressed powers of the President of the United States - that is the ones you can find in the Constitution. From appointing judges and granting pardons, to vetoing laws and acting as the nation’s chief diplomat on foreign poli

  • 12:12 Introduction to Astronomy: Crash Course Astronomy #1

    Introduction to Astronomy: Crash Course Astronomy #1

    453 views / 2 likes - added

    Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie

  • 12:01 Telescopes: Crash Course Astronomy #6

    Telescopes: Crash Course Astronomy #6

    441 views / 0 likes - added

    Today Phil explains how telescopes work and offers up some astronomical shopping advice. -- How Telescopes Work 1:07 Refractors vs Reflectors 2:50 Technology and the Light Spectrum 7:45 -- PBS Digital Studios: http://youtube.com/pbsdigitalstudios Follow P

  • 10:14 The Earth: Crash Course Astronomy #11

    The Earth: Crash Course Astronomy #11

    614 views / 0 likes - added

    Phil starts the planet-by-planet tour of the solar system right here at home, Earth. -- Table of Contents Earth is a Planet 0:03 Layers of Earth 1:25 The Magnetic Field 5:10 Atmosphere and the Human Influence 6:14 -- PBS Digital Studios: http://youtube.co

  • 09:51 The Moon: Astronomy #12

    The Moon: Astronomy #12

    649 views / 1 likes - added

    Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation. This episode is brought to you by Squarespace: http://www.squarespace.com/crashcourse -- Table of Contents Many Millio

  • 10:08 Popular Central Nervous System: Crash Course A&P #11

    Central Nervous System: Crash Course A&P #11

    703 views / 1 likes - added

    Today Hank talks about your central nervous system. In this episode we'll explore how your brain develops and how important location is for each of your brain's many functions. Table of Contents Central Nervous System, Location and Brain Function 1:48 Bra

  • 10:02 Peripheral Nervous System: Crash Course A&P #12

    Peripheral Nervous System: Crash Course A&P #12

    604 views / 2 likes - added

    It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it proc

  • 08:49 Autonomic Nervous System: Crash Course A&P #13

    Autonomic Nervous System: Crash Course A&P #13

    620 views / 1 likes - added

    Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences - where ner

  • 16:14 Human Evolution: Crash Course Big History #6

    Human Evolution: Crash Course Big History #6

    678 views / 1 likes - added

    In which John Green and Hank Green teach you about how human primates moved out of Africa and turned Earth into a real-life Planet of the Apes. And the apes are people! John and Hank teach you about how humans evolved, and the sort of tricks they picked u

  • 13:41 Popular Migrations and Intensification: Crash Course Big History #7

    Migrations and Intensification: Crash Course Big History #7

    721 views / 0 likes - added

    In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of innovators, and co

  • 13:58 The Modern Revolution: Crash Course Big History #8

    The Modern Revolution: Crash Course Big History #8

    463 views / 0 likes - added

    In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes haven't been great

  • 12:20 The Anthropocene and the Near Future: Crash Course Big History #9

    The Anthropocene and the Near Future: Crash Course Big History #9

    444 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome elect

  • 13:31 The Deep Future: Crash Course Big History #10

    The Deep Future: Crash Course Big History #10

    515 views / 1 likes - added

    Finally, after what seems like eons and eons, the end is nigh. We're talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end of the universe.John and Hank Green will teach you about what

  • 11:37 Disease! Crash Course World History 203

    Disease! Crash Course World History 203

    591 views / 1 likes - added

    In which John Green teaches you about disease, and the effects that disease has had in human history. Disease has been with man since the beginning, and it has shaped the way humans operate in a lot of ways. John will teach you about the Black Death, the

  • 10:37 War&Human Nature: Crash Course World History 204

    War&Human Nature: Crash Course World History 204

    582 views / 2 likes - added

    In which John Green teaches you about war! Specifically, John talks about whether humanity is naturally warlike, hard-wired to kill, or if perhaps war is a cultural construct. John will talk about the Hobbes versus Rousseau debate, the effects that war ha

  • 12:48 War and Civilization: Crash Course World History 205

    War and Civilization: Crash Course World History 205

    399 views / 3 likes - added

    In which John Green investigates war, and what exactly it may or may not be good for. Was war a result of human beings organizing into larger and more complex agricultural social orders, or did war maybe create agriculture and "civilization?" It's hard to

  • 10:08 Popular Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

    Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

    709 views / 1 likes - added

    In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar activity and volc

  • 07:21 Popular Humans and Energy: Crash Course World History 207

    Humans and Energy: Crash Course World History 207

    732 views / 1 likes - added

    In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been directly or indirec

  • 10:30 Drought and Famine: Crash Course World History #208

    Drought and Famine: Crash Course World History #208

    595 views / 0 likes - added

    In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was food around. There

  • 10:56 Popular Who Started World War I: Crash Course World History 210

    Who Started World War I: Crash Course World History 210

    724 views / 3 likes - added

    In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius Caesar? One thing w

  • 12:31 The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    362 views / 1 likes - added

    In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much all locomotion had

  • 12:51 Popular Population, Sustainability, and Malthus: Crash Course World History 215

    Population, Sustainability, and Malthus: Crash Course World History 215

    836 views / 0 likes - added

    In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In 1800, the human popu

  • 15:07 Luther and the Protestant Reformation: Crash Course World History #218

    Luther and the Protestant Reformation: Crash Course World History #218

    558 views / 2 likes - added

    In which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther didn't like the corrupt

  • 13:16 Charles V and the Holy Roman Empire: Crash Course World History #219

    Charles V and the Holy Roman Empire: Crash Course World History #219

    676 views / 0 likes - added

    Get the new Crash Course World History Character poster here: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Em

  • 11:02 Popular World War II, A War for Resources: Crash Course World History #220

    World War II, A War for Resources: Crash Course World History #220

    1,063 views / 9 likes - added

    In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways about resources.

  • 13:33 Popular Japan in the Heian Period and Cultural History: Crash Course World History 227

    Japan in the Heian Period and Cultural History: Crash Course World History 227

    788 views / 7 likes - added

    In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being known for a thriving

  • 10:24 Homunculus - Crash Course Psychology #6

    Homunculus - Crash Course Psychology #6

    401 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:19 Altered States - Crash Course Psychology #10

    Altered States - Crash Course Psychology #10

    403 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:50 Popular How to Train a Brain - Crash Course Psychology #11

    How to Train a Brain - Crash Course Psychology #11

    710 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:42 Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

    Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

    585 views / 1 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:38 Monkeys and Morality: Crash Course Psychology #19

    Monkeys and Morality: Crash Course Psychology #19

    529 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 12:24 Rorschach&Freudians: Crash Course Psychology #21

    Rorschach&Freudians: Crash Course Psychology #21

    412 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 12:39 Controversy of Intelligence: Crash Course Psychology #23

    Controversy of Intelligence: Crash Course Psychology #23

    454 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:04 Brains Vs. Bias: Crash Course Psychology #24

    Brains Vs. Bias: Crash Course Psychology #24

    454 views / 0 likes - added

    ***Subbable Message*** To: Everyone! Life is short. Don't forget to be awesome. Please. From: Dr. Dot To: All Living People Prepare - for I am about to take over the world. From: S.J. Black ****** You can directly support Crash Course at http://www.subbab

  • 10:00 Depressive and Bipolar Disorders: Crash Course Psychology #30

    Depressive and Bipolar Disorders: Crash Course Psychology #30

    403 views / 2 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:51 Trauma&Addiction: Crash Course Psychology #31

    Trauma&Addiction: Crash Course Psychology #31

    401 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:23 Getting Help - Psychotherapy: Crash Course Psychology #35

    Getting Help - Psychotherapy: Crash Course Psychology #35

    442 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:41 Aggression V. Altruism: Crash Course Psychology #40

    Aggression V. Altruism: Crash Course Psychology #40

    397 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:59 The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry #3

    The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry #3

    351 views / 0 likes - added

    Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went from alchemists to ch

  • 11:22 Popular The Periodic Table: Crash Course Chemistry #4

    The Periodic Table: Crash Course Chemistry #4

    714 views / 1 likes - added

    Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the

  • 13:41 Entropy: Embrace the Chaos! Crash Course Chemistry #20

    Entropy: Embrace the Chaos! Crash Course Chemistry #20

    462 views / 0 likes - added

    Life is chaos and the universe tends toward disorder. But why? If you think about it, there are only a few ways for things to be arranged in an organized manner, but there are nearly infinite other ways for those same things to be arranged. Simple rules o

  • 09:46 Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

    Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

    461 views / 0 likes - added

    Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The n

  • 11:41 Buffers, the Acid Rain Slayer: Crash Course Chemistry #31

    Buffers, the Acid Rain Slayer: Crash Course Chemistry #31

    375 views / 2 likes - added

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  • 10:34 The Global Carbon Cycle - Crash Course Chemistry #46

    The Global Carbon Cycle - Crash Course Chemistry #46

    561 views / 0 likes - added

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  • 11:20 The Black Legend, Native Americans, and Spaniards: Crash Course US History #1

    The Black Legend, Native Americans, and Spaniards: Crash Course US History #1

    485 views / 1 likes - added

    In which John Green kicks off Crash Course US History! Why, you may ask, are we covering US History, and not more World History, or the history of some other country, or the very specific history of your home region? Well, the reasons are many. But, like

  • 12:26 When is Thanksgiving? Colonizing America: Crash Course US History #2

    When is Thanksgiving? Colonizing America: Crash Course US History #2

    566 views / 1 likes - added

    In which John Green teaches you about the (English) colonies in what is now the United States. He covers the first permanent English colony at Jamestown, Virginia, the various theocracies in Massachusetts, the feudal kingdom in Maryland, and even a bit ab

  • 11:27 The Natives and the English - Crash Course US History #3

    The Natives and the English - Crash Course US History #3

    504 views / 0 likes - added

    In which John Green teaches you about relations between the early English colonists and the native people the encountered in the New World. In short, these relations were poor. As soon as they arrived, the English were in conflict with the native people.

  • 12:19 Taxes&Smuggling - Prelude to Revolution: Crash Course US History #6

    Taxes&Smuggling - Prelude to Revolution: Crash Course US History #6

    459 views / 1 likes - added

    In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the Revolutionary War are not the

  • 13:57 Where US Politics Came From: Crash Course US History #9

    Where US Politics Came From: Crash Course US History #9

    440 views / 0 likes - added

    In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything was new and excit

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  • 13:19 Thomas Jefferson&His Democracy: Crash Course US History #10

    Thomas Jefferson&His Democracy: Crash Course US History #10

    557 views / 3 likes - added

    In which John Green teaches you about founding father and third president of the United States, Thomas Jefferson. Jefferson is a somewhat controversial figure in American history, largely because he, like pretty much all humans, was a big bundle of contra

  • 12:43 The War of 1812 - Crash Course US History #11

    The War of 1812 - Crash Course US History #11

    506 views / 1 likes - added

    In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very little. John will tak

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  • 14:11 The Market Revolution: Crash Course US History #12

    The Market Revolution: Crash Course US History #12

    512 views / 0 likes - added

    In which John Green teaches you about the Market Revolution. In the first half of the 19th century, the way people lived and worked in the United States changed drastically. At play was the classic (if anything in a 30 year old nation can be called classi

  • 14:25 Popular Slavery - Crash Course US History #13

    Slavery - Crash Course US History #13

    724 views / 4 likes - added

    In which John Green teaches you about America's "peculiar institution," slavery. I wouldn't really call it peculiar. I'd lean more toward horrifying and depressing institution, but nobody asked me. John will talk about what life was like for a slave in th

  • 14:47 19th Century Reforms: Crash Course US History #15

    19th Century Reforms: Crash Course US History #15

    442 views / 1 likes - added

    In which John Green teaches you about various reform movements in the 19th century United States. From Utopian societies to the Second Great Awakening to the Abolition movement, American society was undergoing great changes in the first half of the 19th c

  • 05:28 History of the 4th of July: Crash Course US History Special

    History of the 4th of July: Crash Course US History Special

    495 views / 3 likes - added

    In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans celebrate the day. T

  • 13:01 Reconstruction and 1876: Crash Course US History #22

    Reconstruction and 1876: Crash Course US History #22

    649 views / 1 likes - added

    In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew Johnson took over, and the disagreements between Johnson

  • 12:32 The Industrial Economy: Crash Course US History #23

    The Industrial Economy: Crash Course US History #23

    532 views / 0 likes - added

    In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, and you're reading along and everything seems safely in the past, and then BOOM you think, "Man, t

  • 12:44 Popular Westward Expansion: Crash Course US History #24

    Westward Expansion: Crash Course US History #24

    1,256 views / 3 likes - added

    In which John Green teaches you about the Wild, Wild, West, which as it turns out, wasn't as wild as it seemed in the movies. When we think of the western expansion of the United States in the 19th century, we're conditioned to imagine the loner. The self

  • 12:45 Popular Growth, Cities, and Immigration: Crash Course US History #25

    Growth, Cities, and Immigration: Crash Course US History #25

    744 views / 2 likes - added

    In which John Green teaches you about the massive immigration to the United States during the late 19th and early 20th century. Immigrants flocked to the US from all over the world in this time period. Millions of Europeans moved to the US where they drov

  • 13:51 Gilded Age Politics:Crash Course US History #26

    Gilded Age Politics:Crash Course US History #26

    505 views / 0 likes - added

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  • 13:40 America in World War I: Crash Course US History #30

    America in World War I: Crash Course US History #30

    518 views / 2 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 13:31 Women's Suffrage: Crash Course US History #31

    Women's Suffrage: Crash Course US History #31

    471 views / 2 likes - added

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  • 13:12 The Roaring 20's: Crash Course US History #32

    The Roaring 20's: Crash Course US History #32

    464 views / 0 likes - added

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  • 14:23 World War II Part 2 - The Homefront: Crash Course US History #36

    World War II Part 2 - The Homefront: Crash Course US History #36

    685 views / 1 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 11:58 Popular Civil Rights and the 1950s: Crash Course US History #39

    Civil Rights and the 1950s: Crash Course US History #39

    776 views / 4 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 15:15 The 1960s in America: Crash Course US History #40

    The 1960s in America: Crash Course US History #40

    561 views / 0 likes - added

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  • 13:24 Ford, Carter, and the Economic Malaise: Crash Course US History #42

    Ford, Carter, and the Economic Malaise: Crash Course US History #42

    395 views / 0 likes - added

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  • 15:40 Obamanation: Crash Course US History #47

    Obamanation: Crash Course US History #47

    484 views / 0 likes - added

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  • 10:52 Language, Voice, and Holden Caulfield: The Catcher in the Rye Part 1

    Language, Voice, and Holden Caulfield: The Catcher in the Rye Part 1

    426 views / 0 likes - added

    In which John Green examines JD Salinger's novel The Catcher in the Rye. John pulls out the old school literary criticism by examining the text itself rather than paying attention to the biographical or historical context of the novel (that's for next wee

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  • 08:21 Holden, JD, and the Red Cap- The Catcher in the Rye Part 2: Crash Course English Literature #7

    Holden, JD, and the Red Cap- The Catcher in the Rye Part 2: Crash Course English Literature #7

    446 views / 0 likes - added

    In which John continues the discussion of JD Salinger's Catcher in the Rye. This week John reads the novel with Salinger's life story in mind. John explores how Salinger's war experience, educational background, and romantic life inform the events of Hold

  • 12:57 Don't Reanimate Corpses! Frankenstein Part 1: Crash Course Literature 205

    Don't Reanimate Corpses! Frankenstein Part 1: Crash Course Literature 205

    578 views / 1 likes - added

    In which John Green teaches you about Mary Shelley's novel, Frankenstein. Sure, you know Frankenstein the cultural phenomenon, but how much do you know about the novel that started it all? You'll learn about the Romantic movement in English lit, of which

  • 12:38 Frankenstein Part II: Crash Course Literature 206

    Frankenstein Part II: Crash Course Literature 206

    422 views / 0 likes - added

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  • 11:55 To Kill a Mockingbird, Part I - Crash Course Literature 210

    To Kill a Mockingbird, Part I - Crash Course Literature 210

    484 views / 0 likes - added

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  • 11:32 Langston Hughes&the Harlem Renaissance: Crash Course Literature 215

    Langston Hughes&the Harlem Renaissance: Crash Course Literature 215

    517 views / 1 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 12:33 That's Why Carbon Is A Tramp: Crash Course Biology #1

    That's Why Carbon Is A Tramp: Crash Course Biology #1

    604 views / 0 likes - added

    And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all containe

  • 14:08 DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

    DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

    589 views / 0 likes - added

    Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Crash Course B

  • 11:05 Population Genetics: When Darwin Met Mendel - Crash Course Biology #18

    Population Genetics: When Darwin Met Mendel - Crash Course Biology #18

    562 views / 0 likes - added

    Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation. Crash Course Biology is now available on DVD! http://dft.ba/-8

  • 11:31 Simple Animals: Sponges, Jellies,&Octopuses - Crash Course Biology #22

    Simple Animals: Sponges, Jellies,&Octopuses - Crash Course Biology #22

    511 views / 0 likes - added

    Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses a

  • 12:10 Chordates - CrashCourse Biology #24

    Chordates - CrashCourse Biology #24

    411 views / 0 likes - added

    Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteich

  • 11:53 Popular The Digestive System: CrashCourse Biology #28

    The Digestive System: CrashCourse Biology #28

    704 views / 3 likes - added

    Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like Crash Course? http://www.facebook.com/youtubecrashcourse Follow Crash Cours

  • 12:21 Popular The Excretory System: From Your Heart to the Toilet -  CrashCourse Biology #29

    The Excretory System: From Your Heart to the Toilet - CrashCourse Biology #29

    847 views / 1 likes - added

    Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourse Follow Cras

  • 13:11 Popular The Skeletal System: It's ALIVE! - CrashCourse Biology #30

    The Skeletal System: It's ALIVE! - CrashCourse Biology #30

    944 views / 1 likes - added

    Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly. Crash Course Biology is now a

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  • 12:52 Big Guns: The Muscular System - CrashCourse Biology #31

    Big Guns: The Muscular System - CrashCourse Biology #31

    683 views / 0 likes - added

    Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse: http://www.facebook.com/YouTubeCrashCourse Follow CrashCo

  • 15:02 Your Immune System: Natural Born Killer - Crash Course Biology #32

    Your Immune System: Natural Born Killer - Crash Course Biology #32

    567 views / 0 likes - added

    Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour

  • 11:21 Popular Great Glands - Your Endocrine System: CrashCourse Biology #33

    Great Glands - Your Endocrine System: CrashCourse Biology #33

    798 views / 1 likes - added

    Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development&function. Like CrashCourse on Facebook: h

  • 12:17 Old&Odd: Archaea, Bacteria&Protists - CrashCourse Biology #35

    Old&Odd: Archaea, Bacteria&Protists - CrashCourse Biology #35

    494 views / 1 likes - added

    Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organisms o

  • 10:26 Popular Ecology - Rules for Living on Earth: Crash Course Biology #40

    Ecology - Rules for Living on Earth: Crash Course Biology #40

    921 views / 0 likes - added

    Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea

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  • 11:11 The Agricultural Revolution: Crash Course World History #1

    The Agricultural Revolution: Crash Course World History #1

    585 views / 0 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 09:35 Indus Valley Civilization: Crash Course World History #2

    Indus Valley Civilization: Crash Course World History #2

    582 views / 0 likes - added

    In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how, when, where and why of the Indus Valley Civilization, and dispenses advice on how to be more successful in

  • 12:06 Mesopotamia: Crash Course World History #3

    Mesopotamia: Crash Course World History #3

    497 views / 0 likes - added

    In which John presents Mesopotamia, and the early civilizations that arose around the Fertile Crescent. Topics covered include the birth of territorial kingdoms, empires, Neo-Assyrian torture tactics, sacred marriages, ancient labor practices, the world's

  • 12:17 Buddha and Ashoka: Crash Course World History #6

    Buddha and Ashoka: Crash Course World History #6

    550 views / 0 likes - added

    In which John relates a condensed history of India, post-Indus Valley Civilization. John explores Hinduism and the origins of Buddhism. He also gets into the reign of Ashoka, the Buddhist emperor who, in spite of Buddhism's structural disapproval of viole

  • 12:12 ‎2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7

    ‎2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7

    578 views / 2 likes - added

    2,000 Years of Chinese History! The Mandate of Heaven and Confucius: Crash Course World History #7 In which John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese h

  • 12:26 The Roman Empire. Or Republic. Or...Which Was It?: Crash Course World History #10

    The Roman Empire. Or Republic. Or...Which Was It?: Crash Course World History #10

    664 views / 0 likes - added

    In which John Green explores exactly when Rome went from being the Roman Republic to the Roman Empire. Here's a hint: it had something to do with Julius Caesar, but maybe less than you think. Find out how Caesar came to rule the empire, what led to him ge

  • 11:37 Christianity from Judaism to Constantine: Crash Course World History #11

    Christianity from Judaism to Constantine: Crash Course World History #11

    387 views / 2 likes - added

    In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way, John will cover Abram

  • 12:44 Fall of The Roman Empire...in the 15th Century: Crash Course World History #12

    Fall of The Roman Empire...in the 15th Century: Crash Course World History #12

    635 views / 2 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 12:53 Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13

    Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13

    449 views / 0 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 12:08 The Dark Ages...How Dark Were They, Really?: Crash Course World History #14

    The Dark Ages...How Dark Were They, Really?: Crash Course World History #14

    534 views / 1 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 10:31 Mansa Musa and Islam in Africa: Crash Course World History #16

    Mansa Musa and Islam in Africa: Crash Course World History #16

    551 views / 0 likes - added

    In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive architecture, and several empi

  • 10:15 Int'l Commerce, Snorkeling Camels, and The Indian Ocean Trade: Crash Course World History #18

    Int'l Commerce, Snorkeling Camels, and The Indian Ocean Trade: Crash Course World History #18

    565 views / 1 likes - added

    In which John Green teaches you the history of the Indian Ocean Trade. John weaves a tale of swashbuckling adventure, replete with trade in books, ivory, and timber. Along the way, John manages to cover advances in seafaring technology, just how the monso

  • 10:12 Venice and the Ottoman Empire: Crash Course World History #19

    Venice and the Ottoman Empire: Crash Course World History #19

    559 views / 0 likes - added

    In which John Green discusses the strange and mutually beneficial relationship between a republic, the citystate of Venice, and an Empire, the Ottomans--and how studying history can help you to be a better boyfriend and/or girlfriend. Together, the Ottoma

  • 10:38 Popular Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course: World History #21

    Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course: World History #21

    840 views / 0 likes - added

    In which John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He? Columbus gets a bad rap from many mod

  • 12:09 The Columbian Exchange: Crash Course World History #23

    The Columbian Exchange: Crash Course World History #23

    645 views / 0 likes - added

    In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awesome history book "The Columbian Exchange" by Alfred Cosby, Jr. After Columbus "discovered" the Americas, Eu

  • 11:08 The Atlantic Slave Trade: Crash Course World History #24

    The Atlantic Slave Trade: Crash Course World History #24

    656 views / 0 likes - added

    In which John Green teaches you about one of the least funny subjects in history: slavery. John investigates when and where slavery originated, how it changed over the centuries, and how Europeans and colonists in the Americas arrived at the idea that peo

  • 10:46 The Spanish Empire, Silver,&Runaway Inflation: Crash Course World History #25

    The Spanish Empire, Silver,&Runaway Inflation: Crash Course World History #25

    506 views / 0 likes - added

    In which John Green explores how Spain went from being a middling European power to one of the most powerful empires on Earth, thanks to their plunder of the New World in the 16th and 17th centuries. Learn how Spain managed to destroy the two biggest pre-

  • 12:20 Popular The Seven Years War: Crash Course World History #26

    The Seven Years War: Crash Course World History #26

    822 views / 3 likes - added

    In which John teaches you about the Seven Years War, which may have lasted nine years. Or as many as 23. It was a very confusing was. The Seven Years War was a global war, fought on five continents, which is kind of a lot. John focuses on the war as it ha

  • 11:27 Popular Tea, Taxes, and The American Revolution: Crash Course World History #28

    Tea, Taxes, and The American Revolution: Crash Course World History #28

    837 views / 5 likes - added

    In which John Green teaches you about the American Revolution and the American Revolutionary War, which it turns out were two different things. John goes over the issues and events that precipitated rebellion in Britain's American colonies, and he also ex

  • 11:55 Popular The French Revolution: Crash Course World History #29

    The French Revolution: Crash Course World History #29

    858 views / 1 likes - added

    In which John Green examines the French Revolution, and gets into how and why it differed from the American Revolution. Was it the serial authoritarian regimes? The guillotine? The Reign of Terror? All of this and more contributed to the French Revolution

  • 12:35 Haitian Revolutions: Crash Course World History #30

    Haitian Revolutions: Crash Course World History #30

    522 views / 1 likes - added

    Ideas like liberty, freedom, and self-determination were hot stuff in the late 18th century, as evidenced by our recent revolutionary videos. Although freedom was breaking out all over, many of the societies that were touting these ideas relied on slave l

  • 13:43 Popular Latin American Revolutions: Crash Course World History #31

    Latin American Revolutions: Crash Course World History #31

    704 views / 0 likes - added

    In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created the United States

  • 11:53 Samurai, Daimyo, Matthew Perry, and Nationalism: Crash Course World History #34

    Samurai, Daimyo, Matthew Perry, and Nationalism: Crash Course World History #34

    410 views / 0 likes - added

    In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-states out of old empires. Nationalist leaders changed the way people thought of themselves and the places th

  • 13:46 Popular Imperialism: Crash Course World History #35

    Imperialism: Crash Course World History #35

    1,927 views / 0 likes - added

    In which John Green teaches you about European Imperialism in the 19th century. European powers started to create colonial empires way back in the 16th century, but businesses really took off in the 19th century, especially in Asia and Africa. During the

  • 11:45 Archdukes, Cynicism, and World War I: Crash Course World History #36

    Archdukes, Cynicism, and World War I: Crash Course World History #36

    660 views / 1 likes - added

    In which John Green teaches you about the war that was supposed to end all wars. Instead, it solved nothing and set the stage for the world to be back at war just a couple of decades later. As an added bonus, World War I changed the way people look at the

  • 13:13 Popular World War II: Crash Course World History #38

    World War II: Crash Course World History #38

    1,056 views / 2 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And wha

  • 12:16 USA vs USSR Fight! The Cold War: Crash Course World History #39

    USA vs USSR Fight! The Cold War: Crash Course World History #39

    557 views / 0 likes - added

    In which John Green teaches you about the Cold War, which was occasionally hot, but on average, it was just cool. In the sense of its temperature. It was by no means cool, man. After World War II, there were basically two big geopolitical powers left to d

  • 11:51 Globalization I - The Upside: Crash Course World History #41

    Globalization I - The Upside: Crash Course World History #41

    437 views / 0 likes - added

    In which John Green teaches you about globalization, a subject so epic, so, um, global, it requires two videos. In this video, John follows the surprisingly complex path of t-shirt as it criss-crosses the world before coming to rest on your doorstep, and

  • 13:55 Globalization II - Good or Bad?: Crash Course World History #42

    Globalization II - Good or Bad?: Crash Course World History #42

    398 views / 0 likes - added

    In which John asks whether globalization is a net positive for humanity. While the new global economy has created a lot of wealth, and lifted a lot of people out of poverty, it also has some effects that aren't so hot. Wealth disparity, rising divorce rat

  • 02:17 Sesame Street: Cookie Bunny is Coming to Town

    Sesame Street: Cookie Bunny is Coming to Town

    443 views / 0 likes - added

    The Cookie Bunny is going hippity hoppity all through town to hide cookies for good little boys and girls to find. Cookie Bunny has one white cookie and two blue cookies. So how many cookies will Cookie Bunny hide this year? Do you know what 1 + 2 is? Cou

  • 01:34 Sesame Street: Seth Meyers Greets the Count

    Sesame Street: Seth Meyers Greets the Count

    328 views / 0 likes - added

    A greeting is a polite way to say,“hello.” “Hi.” That’s another greeting. How many greetings do you know? Say them out loud with Seth Meyers and The Count will count your different greetings. Subscribe to the Sesame Street Channel here: http://www.youtube

  • 01:34 Sesame Street: Nia Long Divides

    Sesame Street: Nia Long Divides

    314 views / 0 likes - added

    Divide means to separate things into different groups or sections. Nia Long and Abby Cadabby demonstrate by dividing a group of birds. Can you separate the chickens from the penguins? How many are there of each? Subscribe to the Sesame Street Channel here

  • 01:47 Sesame Street: Zach Braff and Telly are Anxious

    Sesame Street: Zach Braff and Telly are Anxious

    320 views / 0 likes - added

    Anxious is when you feel nervous or very worried about something. When the mail man delivers Zach Braff and Telly a box, they are so anxious to know what is inside. What could it be? They're very anxious, so please watch this video so they can find out. S

  • 00:50 Sesame Street: Watch&Play with Sesame Street GO (App Preview)

    Sesame Street: Watch&Play with Sesame Street GO (App Preview)

    665 views / 0 likes - added

    Sesame Street Go is a subscription video on demand app that delivers all your favorite Sesame Street videos and games anytime, anywhere! Download the app for free and get an unlimited 48 hour all-access pass or sign up for just $3.99 a month or $29.99 a y

  • 12:28 Popular Sesame Street: Dance With Murray, Elmo, Mando and Rosita!

    Sesame Street: Dance With Murray, Elmo, Mando and Rosita!

    704 views / 0 likes - added

    Dancing the flamenco, singing with your amiguita, rhyming with words with Mando, this all just part of our Hispanic Heritage fiesta on Sesame Street. Come dance with Elmo, Murray, Mando and Rosita! Baile! Baile! Subscribe to the Sesame Street Channel here

  • 01:49 Sesame Street: Quince Song!

    Sesame Street: Quince Song!

    341 views / 0 likes - added

    Quince! That's Spanish for 15, the greatest number that you've ever seen. Quince is celebrating her quinceañera. That means its her 15th birthday. To celebrate, Mando, Abby, Telly, and Zoe got her 15 of everything! Count along with them! Subscribe to the

  • 01:31 Sesame Street: Song of One (Baker #1)

    Sesame Street: Song of One (Baker #1)

    598 views / 0 likes - added

    Can you count to the number 1? It's a fun number to count to. Just say it, "one," and you are done. How many things are there just one of? You have one belly button, there is one sun, one moon, and one big tree in your backyard. One is a special number. S

  • 02:14 Sesame Street: Beautiful Skin Song

    Sesame Street: Beautiful Skin Song

    591 views / 0 likes - added

    Skin covers your body from head to toe. Skin can stretch and grow and when you get hurt your skin can heal. It can be old or new, rough or smooth, and it comes in so many different colors. We all have beautiful skin! Subscribe to the Sesame Street Channel

  • 02:00 Sesame Street: Lupita Nyong'o Loves Her Skin

    Sesame Street: Lupita Nyong'o Loves Her Skin

    349 views / 0 likes - added

    Elmo is talking with his good friend Lupita about skin. Skin comes in all different textures and shades of color. Elmo's skin is very ticklish. Lupita's skin is a beautiful brown color. There are so many possibilities - ticklish or smooth, black, brown, w

  • 02:42 Sesame Street: Janelle Monae - Power of Yet

    Sesame Street: Janelle Monae - Power of Yet

    427 views / 0 likes - added

    Do you want to grow up to be an author, an astronaut, a scientist, or a doctor? That's great! But maybe you don't know how many bones are in an arm or even how to spell...yet. Believe in yourself, work hard, stay focused, and one day you'll get to where y

  • 01:05 Sesame Street: Letter M (Letter of the Day)

    Sesame Street: Letter M (Letter of the Day)

    575 views / 0 likes - added

    The Letter M is a marvelous letter. Mhhmm...maybe the letter M should hang in The Metropolitan Museum so that people can marvel at its many qualities. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameS

  • 00:33 Sesame Street: Catch Us Every Morning&Afternoon!

    Sesame Street: Catch Us Every Morning&Afternoon!

    498 views / 0 likes - added

    Ever look at your watch, and think "Man, I missed Sesame Street today?" Well now you have two chances to catch Sesame Street on TV! Catch all-new episodes of Sesame Street starting September 15 on PBS KIDS! Now every morning AND afternoon. Subscribe to th

  • 03:31 Sesame Street: U/V Salesman

    Sesame Street: U/V Salesman

    284 views / 0 likes - added

    Hey Bud, we've had this letter U in our family for years, and we're gonna hate to do this but we've gotta sell it. What's that? You say you need a V? Why? What kinds of words start with the letter V? Are you interested in vegetables? or a Vespa scooter? a

  • 01:40 Sesame Street: Bert&Ernie Imagine

    Sesame Street: Bert&Ernie Imagine

    326 views / 0 likes - added

    Your imagination is where all kinds of neat things can happen. Your room could turn into something totally cool like a fish tank, or your bed could really be a race car. Imagine you are a fish driving that race car? What would that feel like? What kinds o

  • 03:42 Sesame Street: Imagine Shapes

    Sesame Street: Imagine Shapes

    315 views / 1 likes - added

    Peace, love, happiness, and imagination, man! Can you imagine a circle, man? How about a rectangle? It can go up and down or side to side, whatever you're feeling man, yeah. Triangles, squares man, imagine all these shapes coming together to make a guitar

  • 03:35 Sesame Street: Explore a Fishing Boat!

    Sesame Street: Explore a Fishing Boat!

    399 views / 0 likes - added

    Ever wonder what it's like to work on a fishing boat? It's hard work. You drop the net in the water. You steer the boat. The net catches the boat and the machine drags the net in. It's not easy being a fisherman, but it sure is cool! Subscribe to the Sesa

  • 00:53 Sesame Street: Pilobolus Octagon

    Sesame Street: Pilobolus Octagon

    249 views / 0 likes - added

    Oh goodness gracious, these Pilobolus dancers are so ambitious! They're going to make an Octagon. Do you know how many sides an Octagon has? Take a guess. Did you guess eight? 8 is correct. Subscribe to the Sesame Street Channel here: http://www.youtube.c

  • 04:07 Sesame Street: True Mud (A True Blood Parody)

    Sesame Street: True Mud (A True Blood Parody)

    537 views / 0 likes - added

    Grouch-B-O presents True Mud: The Yuckiest Show on Television. Only a grouch has an appetite for true mud, not a spud, not cud, not a man named Bud, and certainly not a watch that's a dud! Subscribe to the Sesame Street Channel here: http://www.youtube.co

  • 02:14 Sesame Street: Ernie Forgets That He's Special

    Sesame Street: Ernie Forgets That He's Special

    495 views / 0 likes - added

    It can be hard to remember that you're special sometimes. There are just so many people and you think you don't stand out, but hey, don't forget: everyone is special, including you. Nobody has your nose or your eyes or your hair or your laugh. Nobody thro

  • 01:43 Sesame Street: Maya Angelou's Favorite Things

    Sesame Street: Maya Angelou's Favorite Things

    517 views / 0 likes - added

    Some of Maya Angelou's favorite things were mangoes and marshmallows and moose. She also liked writing memoirs. Mangoes, marshmallows, moose, and memoir all start with the letter M. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc

  • 05:47 Popular Sesame Street: Respect (Word on the Street Podcast)

    Sesame Street: Respect (Word on the Street Podcast)

    1,092 views / 1 likes - added

    The word on the street this week is respect: treating people the way you want to be treated. Everyone understands the importance of respect, little kids, Superman, a bunch of chickens! Watch this video to hear what other people think about respect, and pl

  • 05:48 Sesame Street: Courteous (Word on the Street Podcast)

    Sesame Street: Courteous (Word on the Street Podcast)

    512 views / 0 likes - added

    Being courteous is important when you are a wee little kiddo. Why, you may politely ask? Because it's important to be respectful and use manners and being polite when you are interacting with other people. Subscribe to the Sesame Street Channel here: http

  • 00:38 Sesame Street: "Monster Manners" Preview

    Sesame Street: "Monster Manners" Preview

    360 views / 0 likes - added

    Help your little monsters learn to mind their manners! Guest stars include David Hyde Pierce, Cobie Smulders, Henry Cavill, Zach Efron, Colbie Caillat, Common, and Mark Ruffalo. Click this link for the "Monster Manners" DVD! http://www.amazon.com/Sesame-S

  • 05:15 Sesame Street: Cookie of Oz (Wizard of Oz Parody)

    Sesame Street: Cookie of Oz (Wizard of Oz Parody)

    480 views / 0 likes - added

    If Cookie Monster wants to find the Cookie of Oz, he must remember the directions. He must follow the chocolate chip road, do the opposite of what the cookie tin man says, and finally, go through the Emerald Green door. See the world turn from black and w

  • 01:16 Sesame Street: Quatro Gatos

    Sesame Street: Quatro Gatos

    339 views / 0 likes - added

    Let's count! Uno, dos, tres, quatro. That's Spanish for one, two, three four. How many gatos, that's cats, do you see playing in the band? Listen to the song and count along! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription

  • 01:58 Sesame Street: Think Outside the Box

    Sesame Street: Think Outside the Box

    301 views / 0 likes - added

    Have you ever played in a box? Man, it is so much fun. A box can be anything when you use your imagination: a spaceship, a house, a submarine, a mid-sized sedan similar to your moms, a bobsled , a corporate jet, a yacht that your friend let you borrow for

  • 02:54 Sesame Street: Grover and Rosita and Triangles

    Sesame Street: Grover and Rosita and Triangles

    487 views / 0 likes - added

    Do all triangles look alike? Does a right triangle look different from an isosceles triangle which looks different from a Bermuda triangle? Triangles can come in many shapes and sizes but they all have two things in common: three sides and three angles. T

  • 01:23 Sesame Street: Let's Count to Three (1,2,3)

    Sesame Street: Let's Count to Three (1,2,3)

    500 views / 0 likes - added

    Let's count to three! How many jellyfish do you see? How many loops do you see? How many comets? How many fireworks? Things sure are neat when they come in groups of three's! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription

  • 01:53 Popular Sesame Street: Five Kangaroos with Jessica Mauboy!

    Sesame Street: Five Kangaroos with Jessica Mauboy!

    1,107 views / 0 likes - added

    1,2,3,4,5 Kangaroos! Hop hop hop 5 big red kangaroos! How many Kangaroos do you count dancing in the sand? Jessica Mauboy counted 5. Count along and sing with her in the land down under! Subscribe to the Sesame Street Channel here: http://www.youtube.com/

  • 01:49 Sesame Street: Jealous Robots

    Sesame Street: Jealous Robots

    320 views / 0 likes - added

    One of these robots' snowmen is way bigger than the other's, and well, one of these robots doesn't feel so good about that. He's mad and sad and frustrated that his snowman isn't as good as his friends. Do you know what feeling this is? Subscribe to the S

  • 00:45 Sesame Street: Cold Snowman

    Sesame Street: Cold Snowman

    320 views / 0 likes - added

    Do snowmen get cold? They're made out of snow after all, and they spend so much time outside. They've got to get cold at some point. Watch this video and see what the snowmen think. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc

  • 03:05 Sesame Street: Santa Song "Believe"

    Sesame Street: Santa Song "Believe"

    521 views / 1 likes - added

    Do you hear that? It sounds like sleigh bells. Could it be? The Big Man from the North Pole? Jolly Old St. Nick? The one and only Santa Claus? Anything is possible if you believe. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscri

  • 01:11 Sesame Street: Gotcha! with Tom Bergeron

    Sesame Street: Gotcha! with Tom Bergeron

    300 views / 0 likes - added

    Sesame Street- a place where the days are sunny, the clouds are swept away, and the air is sweet...or is it? Sometimes things aren't always as sweet as they appear. Find out on today's episode of Gotcha! The reality show that uses hidden cameras to catch

  • 01:25 Sesame Street: South American Drums!

    Sesame Street: South American Drums!

    427 views / 0 likes - added

    Gabriela and her friends are playing instruments from all over South America! See them play the Cajon like they do in Peru, the Brazilian Berimbau, the Colombian Conga, and many more great instruments! Clap your hands and follow the rhythm along with Gabr

  • 01:19 Sesame Street: How Many People are in this Family?

    Sesame Street: How Many People are in this Family?

    423 views / 0 likes - added

    Let's count the people in this boy's family. Looks like he has some brothers and sisters, aunts and uncles, little cousins and big cousins, and grandmas and grandpas. How many people do you see? Subscribe to the Sesame Street Channel here: http://www.yout

  • 02:33 Sesame Street: I Love My Hair Song (Mando's Spanish Version)

    Sesame Street: I Love My Hair Song (Mando's Spanish Version)

    695 views / 1 likes - added

    Is your hair frizzy or wavy or straight or curly or long or short or red or black or brown? Whatever it is, you should love your hair! It's a part of who you are. Listen to Mando sing about why he loves his hair! Watch the original: http://youtu.be/enpFde


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