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  • 11:24 Keyboards & Command Line Interfaces: Crash Course Computer Science #22

    Keyboards & Command Line Interfaces: Crash Course Computer Science #22

    694 views / 0 likes - added

    Today, we are going to start our discussion on user experience. We've talked a lot in this series about how computers move data around within the computer, but not so much about our role in the process. So today, we're going to look at our earliest form o

  • 09:23 Political Parties: Crash Course Government And Politics #40

    Political Parties: Crash Course Government And Politics #40

    670 views / 1 likes - added

    Today, Craig is going to talk about political parties and their role in American politics. So, when most people think about political parties they associate them with the common ideologies of the voters and representatives within that party, but the goal

  • 08:51 Popular Taking Notes: Crash Course Study Skills #1

    Taking Notes: Crash Course Study Skills #1

    831 views / 0 likes - added

    The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ. Resources: Study

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

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

    832 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

  • 12:17 Popular Registers and RAM: Crash Course Computer Science #6

    Registers and RAM: Crash Course Computer Science #6

    738 views / 0 likes - added

    Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to create memory! Using the basic logic gates we discussed in episode 3 we can build a circuit that stores a single bit of information, and then through some

  • 12:17 Memory & Storage: Crash Course Computer Science #19

    Memory & Storage: Crash Course Computer Science #19

    589 views / 0 likes - added

    Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is sto

  • 05:58 Types Of Bureaucracies: Crash Course Government And Politics #16

    Types Of Bureaucracies: Crash Course Government And Politics #16

    610 views / 0 likes - added

    This week Craig Benzine breaks down the different types of bureaucracies. I mean sure, they’re all part of the executive branch, but some work more directly with the president than others. Some bureaucracies exist solely to independently regulate industry

  • 08:50 Test Anxiety: Crash Course Study Skills #8

    Test Anxiety: Crash Course Study Skills #8

    612 views / 0 likes - added

    Exams can be terrifying. It’s easy to feel like the weight of the world rests in these moments – like this one test determines your grades and, in turn, your whole future – even if you know, rationally, that this isn’t really the case. What’s worse is tha

  • 10:16 Popular Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    1,551 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 09:00 Papers & Essays: Crash Course Study Skills #9

    Papers & Essays: Crash Course Study Skills #9

    546 views / 0 likes - added

    Writing research papers is an essential skill in your career as a student, and this week we’re going to help you do that like a pro. From figuring out where to begin, to finding the best systems, to breaking out of “research recursion system” (maybe just

  • 11:32 Screens & 2D Graphics: Crash Course Computer Science #23

    Screens & 2D Graphics: Crash Course Computer Science #23

    588 views / 0 likes - added

    Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by the early 1960s a

  • 10:23 Popular Respiratory System, Part 2: Crash Course A&P #32

    Respiratory System, Part 2: Crash Course A&P #32

    1,174 views / 1 likes - added

    Can a paper bag really help you when you are hyperventilating? It turns out that it can. In part 2 of our look at your respiratory system Hank explains how your blood cells exchange oxygen and CO2 to maintain homeostasis. We'll dive into partial pressure

  • 12:22 Why the Evolutionary Epic Matters: Crash Course Big History #203

    Why the Evolutionary Epic Matters: Crash Course Big History #203

    448 views / 0 likes - added

    Today we're talking about evolution–basically the history of all life on Earth. The thing is, why are we talking about this. Well, the story of life, all the way back to single celled microbes billions of years ago, is all part of our human story. An impo

  • What Are Rocks and How Do They Form? Crash Course Geography #18

    What Are Rocks and How Do They Form? Crash Course Geography #18

    228 views / 0 likes - added

    From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has a far-reaching sto

  • 09:13 Popular Immune System, Part 1: Crash Course A&P #45

    Immune System, Part 1: Crash Course A&P #45

    1,251 views / 2 likes - added

    Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’

  • 09:36 Breaking the Silence: Crash Course Film History #10

    Breaking the Silence: Crash Course Film History #10

    558 views / 1 likes - added

    Nothing changed movies like the arrival of synchronous sound. NOTHING! Acting, directing, cinematography, and presentation all had to be rethought. Some studios were more quick to take on the challenge while others waited until the last moment. Some actor

  • 15:35 Galaxies, Part 2: Crash Course Astronomy #39

    Galaxies, Part 2: Crash Course Astronomy #39

    670 views / 0 likes - added

    Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local Group, and will one da

  • 03:47 Popular A Change Of Scenery: Crash Course Kids #17.2

    A Change Of Scenery: Crash Course Kids #17.2

    4,435 views / 2 likes - added

    The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly or slowly. This fi

  • 11:05 Popular Digestive System, Part 1: Crash Course A&P #33

    Digestive System, Part 1: Crash Course A&P #33

    1,807 views / 5 likes - added

    Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime

  • 12:26 Robots: Crash Course Computer Science #37

    Robots: Crash Course Computer Science #37

    603 views / 2 likes - added

    Today we're going to talk about robots! Robots are often thought as a technology of the future, but they're already here by the millions in the workplace, our homes, and pretty soon on the roads. We'll discuss the origins of robotics to its proliferation,

  • 10:30 Popular Taste&Smell: Crash Course A&P #16

    Taste&Smell: Crash Course A&P #16

    985 views / 0 likes - added

    Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli into action potent

  • 16:23 Popular The Enlightenment: Crash Course European History #18

    The Enlightenment: Crash Course European History #18

    846 views / 2 likes - added

    So far in this series, we've covered a lot of war, disease, climate disaster, and some more war. Well, prepare yourself for something a little more positive. This week, we're talking about the Enlightenment. In this video, you'll learn about the ideas of

  • 03:55 Popular Wood, Water, And Properties: Crash Course Kids #15.1

    Wood, Water, And Properties: Crash Course Kids #15.1

    826 views / 1 likes - added

    Quick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us understand objects.

  • 03:33 Popular Land And Water: Crash Course Kids #16.1

    Land And Water: Crash Course Kids #16.1

    1,239 views / 2 likes - added

    Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different materials. In fact, even a

  • 10:15 Popular Polymers - Crash Course Chemistry #45

    Polymers - Crash Course Chemistry #45

    2,009 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.

  • 04:37 Popular Living Things Change: Crash Course Kids #41.1

    Living Things Change: Crash Course Kids #41.1

    1,327 views / 3 likes - added

    Have you ever heard of the Peppered Moth? It's a great example of how living things can change because their environment has changed. And it's not just them! There used to be giant insects roaming the world, but they got smaller through time because their

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  • 10:22 Television Production: Crash Course Film Production #15

    Television Production: Crash Course Film Production #15

    548 views / 0 likes - added

    In our final episode of Crash Course Film Production, it's time to take a look at television production and how it differs from feature film production. It's subtle but it has a lot to do with how television shows make money for their many different types

  • 10:57 Popular The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

    The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

    1,427 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: NerdFighteria FROM: Dave at DTXC.CO Cycling t-shirts at DTXC.CO. Don't give up the Road! DFTBA! *** Subbable Co-Sponsors: Logan Sanders https://www.facebook.com/perrylogans Dr. Boyev http://youtube.com/taichiknees *** You can di

  • 09:36 Popular Alkenes&Alkynes - Crash Course Chemistry #41

    Alkenes&Alkynes - Crash Course Chemistry #41

    1,092 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.

  • 10:36 Popular Money And Finance: Crash Course Economics #11

    Money And Finance: Crash Course Economics #11

    846 views / 1 likes - added

    So, we've been putting off a kind of basic question here. What is money? What is currency? How are the two different. Well, not to give away too much, but money has a few basic functions. It acts as a store of value, a medium of exchange, and as a unit of

  • 09:50 Popular Public Opinion: Crash Course Government And Politics #33

    Public Opinion: Crash Course Government And Politics #33

    1,202 views / 0 likes - added

    So today, Craig is finally going to start talking about politics. Now up until this point we've specifically been looking at government - that is answering the questions of who, what, and how in relation to policies. But politics is different in that it l

  • 11:09 Water and Classical Civilizations: Crash Course World History 222

    Water and Classical Civilizations: Crash Course World History 222

    692 views / 1 likes - added

    In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John talks about water i

  • 09:29 Popular The Language of Film: Crash Course Film History #5

    The Language of Film: Crash Course Film History #5

    761 views / 0 likes - added

    In this episode of Crash Course Film History, we talk about the development of the language of films by filmmakers like Edwin S. Porter and his films; Life of an American Fireman and The Great Train Robbery. Produced in collaboration with PBS Digital Stud

  • 10:55 Popular Digestive System, Part 2: Crash Course A&P #34

    Digestive System, Part 2: Crash Course A&P #34

    1,649 views / 1 likes - added

    Nearly 200 years ago, Alexis St. Martin was shot in the stomach. He was saved by local army doctor William Beaumont, but had to live out his remaining years with a gaping hole in the stomach -- allowing Beaumont to learn a lot about how human digestion wo

  • 11:00 The Future of Artificial Intelligence: Crash Course AI #20

    The Future of Artificial Intelligence: Crash Course AI #20

    544 views / 0 likes - added

    Today, in our final episode of Crash Course AI, we're going to look towards the future. We've spent much of this series explaining how and why we don't have the Artificial General Intelligence (or AGI) that we see in the movies like Bladerunner, Her, or E

  • 11:32 Popular Hydrocarbon Power! - Crash Course Chemistry #40

    Hydrocarbon Power! - Crash Course Chemistry #40

    913 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.

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

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

    1,436 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

  • 05:10 Popular Weather Channels: Crash Course Kids #34.2

    Weather Channels: Crash Course Kids #34.2

    1,327 views / 2 likes - added

    Why is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable. In this episode of Crash Course Kids, Sabrina talk

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  • 04:42 Popular Material Magic - Making Diamonds: Crash Course Kids #40.2

    Material Magic - Making Diamonds: Crash Course Kids #40.2

    972 views / 1 likes - added

    Did you know we can actually make diamonds in a lab? It's true! We can! And this is both really good and really cool. In this episode of Crash Course Kids, Sabrina shows us how materials scientists have done just that and why it's so important. Watch More

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  • 14:02 The Northern Renaissance: Crash Course European History #3

    The Northern Renaissance: Crash Course European History #3

    412 views / 0 likes - added

    The European Renaissance may have started in Florence, but it pretty quickly moved out of Italy and spread the art, architecture, literature, and humanism across Europe to places like France, Spain, England, and the Low Countries.SOURCES:Hunt, Lynn et al.

  • 10:32 Popular What Is God Like?: Crash Course Philosophy #12

    What Is God Like?: Crash Course Philosophy #12

    760 views / 0 likes - added

    Today we are moving on from the existence of God to look at the philosophical debate surrounding the traditional divine attributes - omnipotence, omniscience, omnitemporality, and omnibenevolence. We are exploring the puzzles that these attributes create

  • 04:20 Popular Oobleck And Non-Newtonian Fluids: Crash Course Kids #46.1

    Oobleck And Non-Newtonian Fluids: Crash Course Kids #46.1

    1,054 views / 1 likes - added

    Ever heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of Crash Course Kids,

  • 10:44 Popular Sympathetic Nervous System: Crash Course A&P #14

    Sympathetic Nervous System: Crash Course A&P #14

    705 views / 0 likes - added

    Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to Effectors 1:48 Ace

  • 12:26 Popular Black Holes: Crash Course Astronomy #33

    Black Holes: Crash Course Astronomy #33

    942 views / 3 likes - added

    We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar mass black holes form when a very massive star dies, and its core collapses. The core has to be more than about 2.8 times the Su

  • 03:59 Defining Success: Crash Course Kids #18.2

    Defining Success: Crash Course Kids #18.2

    621 views / 0 likes - added

    In our last episode, Sabrina talked about how Engineers define the problems they need to solve. But how do you know when you've actually solved a problem? What do you expect to happen that would equal success? In this episode, Sabrina chats about how Engi

  • 11:00 Why Cosmic Evolution Matters: Crash Course Big History #201

    Why Cosmic Evolution Matters: Crash Course Big History #201

    492 views / 0 likes - added

    Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look at why the stuff we

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

    The Agricultural Revolution: Crash Course World History #1

    847 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

  • 09:26 Popular Planning & Organization: Crash Course Study Skills #4

    Planning & Organization: Crash Course Study Skills #4

    834 views / 1 likes - added

    The best way to make sure you’re making the most of the time you have is to start off well organized. This week we’re talking about planning and organizational systems and how to set yourself up for success. Resources: Planning Mode vs. Robot Mode: https:

  • 04:29 Popular The Great Aqua Adventure: Crash Course Kids #24.1

    The Great Aqua Adventure: Crash Course Kids #24.1

    888 views / 3 likes - added

    Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and how you can create

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  • 08:57 Microsoft And Connected Consoles: Crash Course Games #10

    Microsoft And Connected Consoles: Crash Course Games #10

    659 views / 1 likes - added

    Today, we wrap up our discussion of the console wars by taking a look at Microsoft’s Xbox which was announced in 2001. The early 2000s saw a lot of innovation in hardware and games and we’ll cover some of that, but one significant change that would heavil

  • 04:53 Popular Following The Sun: Crash Course Kids #8.2

    Following The Sun: Crash Course Kids #8.2

    1,955 views / 7 likes - added

    Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited and hope you enjoy

  • 07:53 Presidential Powers 2: Crash Course Government And Politics

    Presidential Powers 2: Crash Course Government And Politics

    669 views / 0 likes - added

    This week Craig continues our conversation on presidential powers by looking at those NOT found in the Constitution - implied or inherent powers. We’ll talk about how the president uses his or her power to negotiate executive agreements, recommend legisla

  • 15:01 Popular The Progressive Era: Crash Course US History #27

    The Progressive Era: Crash Course US History #27

    907 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 keep the channel producing great conten

  • 04:31 Popular Orbits Are Odd: Crash Course Kids #22.2

    Orbits Are Odd: Crash Course Kids #22.2

    776 views / 0 likes - added

    Last week we talked about the orbits of the Earth and our Moon. But today we're going to go a little bigger... well, a lot better. Did you know that there is a massive Black Hole at the center of our Galaxy? Or that Pluto's orbit is really... weird? Today

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  • 04:01 Popular Earth's Rotation & Revolution: Crash Course Kids 8.1

    Earth's Rotation & Revolution: Crash Course Kids 8.1

    1,528 views / 1 likes - added

    So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and how these things co

  • Ancient & Medieval Medicine: Crash Course History of Science #9

    Ancient & Medieval Medicine: Crash Course History of Science #9

    544 views / 0 likes - added

    The history of medicine is about two of our big questions: one, what is life? What makes it so special, so fragile, so goopy!? Two, how do we know what we know? Why should I take my doctors advice? Why are deep-fried Oreos bad for me?It may be tempting to

  • 07:56 Popular Civil Rights & Liberties: Crash Course Government #23

    Civil Rights & Liberties: Crash Course Government #23

    709 views / 0 likes - added

    Today, Craig is going to give you an overview of civil rights and civil liberties. Often these terms are used interchangeably, but they are actually very different. Our civil liberties, contained in the Bill of Rights, once only protected us from the fede

  • 10:48 Party Systems: Crash Course Government And Politics #41

    Party Systems: Crash Course Government And Politics #41

    683 views / 0 likes - added

    Today, Craig is going to dive into the history of American political parties. So throughout most of United States history our political system has been dominated by a two-party system, but the policies and the groups that support these parties have change

  • 06:16 Congressional Delegation: Crash Course Government And Politics #13

    Congressional Delegation: Crash Course Government And Politics #13

    614 views / 0 likes - added

    In which Craig Benzine teaches you about delegation, and informal powers. What are all these federal agencies about? Well, the president has a lot of stuff to do as the chief executive, and as much as Americans like to talk about personal responsibility,

  • 12:23 Neural Networks and Deep Learning: Crash Course AI #3

    Neural Networks and Deep Learning: Crash Course AI #3

    319 views / 1 likes - added

    You can learn more about CuriosityStream at https://curiositystream.com/crashcourse. Today, we're going to combine the artificial neuron we created last week into an artificial neural network. Artificial neural networks are better than other methods for m

  • 11:05 Reversibility & Irreversibility: Crash Course Engineering #8

    Reversibility & Irreversibility: Crash Course Engineering #8

    312 views / 0 likes - added

    How do we design the most efficient machines and processes? Today well try to figure that out as we discuss heat & work, reversibility & irreversibility, and how to use efficiency to measure a system. Crash Course Engineering is produced in association wi

  • 10:38 Popular The Skeletal System: Crash Course A&P #19

    The Skeletal System: Crash Course A&P #19

    2,036 views / 3 likes - added

    Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the skeletal system, including the flat, short, and irregular bones, and their individual arrangements

  • 09:23 Popular How Presidents Govern: Crash Course Government And Politics #14

    How Presidents Govern: Crash Course Government And Politics #14

    897 views / 0 likes - added

    This week Craig Benzine talks about how the president gets things done. Filling the role of the executive branch is a pretty big job - much too big for just one person. It's so big that the president employees an entire federal bureaucracy! Today, we’re j

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  • 07:00 Popular How and Why We Read: Crash Course English Literature #1

    How and Why We Read: Crash Course English Literature #1

    1,129 views / 2 likes - added

    In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d

  • 10:33 Popular Metabolism & Nutrition, Part 1: Crash Course A&P #36

    Metabolism & Nutrition, Part 1: Crash Course A&P #36

    1,107 views / 0 likes - added

    Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and prot

  • 15:54 Popular Napoleon Bonaparte: Crash Course European History #22

    Napoleon Bonaparte: Crash Course European History #22

    1,128 views / 5 likes - added

    We try not to get into too much great man history here at Crash Course, but we have to admit: Napoleon Bonaparte is a pretty big deal. Join us as we track the rise, further rise, fall, rise, fall, mortal fall, and posthumous rise of Napoleon. This guy cha

  • 10:08 Popular The Heart, Part 1 - Under Pressure: Crash Course A&P #25

    The Heart, Part 1 - Under Pressure: Crash Course A&P #25

    1,324 views / 0 likes - added

    Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from th

  • 11:22 Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16

    Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16

    397 views / 1 likes - added

    This week we're continuing our discussion of William Shakespeare and looking at his comedies and romances. As well as something called problem plays. Some of his plays, they had problems. We'll also put on pants, escape to forest, and talk about Shakepear

  • 09:54 Popular Uniform Circular Motion: Crash Course Physics #7

    Uniform Circular Motion: Crash Course Physics #7

    1,349 views / 0 likes - added

    Did you know that centrifugal force isn't really a thing? I mean, it's a thing, it's just not real. In fact, physicists call it a "Fictitious Force." Mind blown yet? To explore this idea further, this week Shini sits down with us to discuss centripetal fo

  • 09:39 Popular Market Economy: Crash Course Government And Politics #46

    Market Economy: Crash Course Government And Politics #46

    884 views / 1 likes - added

    Today, we’re going to take a look at how the government plays a role in the economy. Specifically, the way the government creates and maintains our market economic system. Now sure, the government’s role in the economy can be controversial, some may even

  • 03:31 The Ecliptic: Crash Course Kids #37.2

    The Ecliptic: Crash Course Kids #37.2

    551 views / 0 likes - added

    So, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its cycle in the sky.

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  • 08:36 Heat Transfer: Crash Course Engineering #14

    Heat Transfer: Crash Course Engineering #14

    376 views / 0 likes - added

    Today were talking about heat transfer and the different mechanisms behind it. Well explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation. Crash Course Engineering is produced in association with PBS Digital

  • 09:56 Popular The Golden Age of Hollywood: Crash Course Film History #11

    The Golden Age of Hollywood: Crash Course Film History #11

    792 views / 0 likes - added

    It's time for the glitz and the glamour of big motion pictures that helped keep American spirits up during and after the Great Depression. Sound was a huge change to motion pictures, but there were still a few technological innovations to come, like color

  • 10:51 Popular Psychological Research - Crash Course Psychology #2

    Psychological Research - Crash Course Psychology #2

    812 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.

  • 06:59 Popular Bureaucracy Basics: Crash Course Government And Politics #15

    Bureaucracy Basics: Crash Course Government And Politics #15

    959 views / 0 likes - added

    This week Craig Benzine discuses bureaucracies. Bureaucracies tend to be associated with unintelligible rules and time-wasting procedures, but they play an important, though controversial, role in governing. From the FDA to the EPA, these agencies were es

  • 09:38 Casual Gaming: Crash Course Games #11

    Casual Gaming: Crash Course Games #11

    655 views / 0 likes - added

    Today, we’re moving on from game consoles to talk about a bigger shift that was happening in the gaming industry. In the mid 2000s, we saw a proliferation of Internet accessible devices and with them gaming would expand to a new audience. We’re going to t

  • 09:13 Popular Anselm And The Argument For God: Crash Course Philosophy #9

    Anselm And The Argument For God: Crash Course Philosophy #9

    816 views / 0 likes - added

    Today we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that argument. -- “That’s a Neigh” David Goehring https://www.flickr

  • 09:29 Popular Equilibrium Equations: Crash Course Chemistry #29

    Equilibrium Equations: Crash Course Chemistry #29

    745 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.

  • 07:38 Popular Search And Seizure: Crash Course Government And Politics #27

    Search And Seizure: Crash Course Government And Politics #27

    702 views / 0 likes - added

    This week Craig talks about police searches and seizures. Now, the fourth amendment says that you have the right to be protected against "unreasonable searches and seizures" but what exactly this mean? Well, it's complicated. The police often need warrant

  • 11:34 Climate Science: Crash Course History of Science #45

    Climate Science: Crash Course History of Science #45

    319 views / 0 likes - added

    Scientists tend to be careful and resistant to big claims. So evidence for the possible end of the living world took a while to be seen as such. In this episode of Crash Course History of Science, Hank talks to us about where Climate Science started and h

  • 10:39 Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

    Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

    303 views / 0 likes - added

    Today were looking at silicon, and how introducing small amounts of other elements allow silicon layers to conduct currents, turning them into semiconductors. Well explore how putting two different types N and P semiconductors together gives us electrical

  • 08:51 Popular Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21

    Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21

    1,764 views / 0 likes - added

    Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like

  • 04:09 Popular Vacation Or Conservation (Of Mass): Crash Course Kids #23.1

    Vacation Or Conservation (Of Mass): Crash Course Kids #23.1

    4,242 views / 0 likes - added

    So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids, Sabrina shows us how Co

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  • 09:50 Popular Aromatics and Cyclic Compounds - Crash Course Chemistry #42

    Aromatics and Cyclic Compounds - Crash Course Chemistry #42

    1,822 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.

  • 05:07 Popular Current Events: Crash Course Kids #34.1

    Current Events: Crash Course Kids #34.1

    1,263 views / 2 likes - added

    What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure

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  • 10:25 Popular Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23

    Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23

    1,945 views / 0 likes - added

    Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells or just turn on spe

  • 10:26 Popular Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

    Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

    747 views / 0 likes - added

    Our unit on the philosophy of religion and the existence of god continues with Thomas Aquinas. Today, we consider his first four arguments: the cosmological arguments. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commo

  • 10:35 Popular The Physics of Music: Crash Course Physics #19

    The Physics of Music: Crash Course Physics #19

    1,087 views / 0 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Music plays a big part in many of our lives. Whether you just like to listen or you enjoy playing an instrument, music is powerful. So what is music? How does

  • 08:46 Designing the World of Film: Crash Course Film Production #9

    Designing the World of Film: Crash Course Film Production #9

    617 views / 0 likes - added

    Literally, ‘mise-en-scene’ means “placing on stage.” But in film, mise-en-scene encompasses everything the camera is capturing. The artists and crafts-people who work in Production Design, Wardrobe, and Hair and Makeup are responsible for setting the stag

  • 09:47 Anti-Vaxxers, Conspiracy Theories & Epistemic Responsibility: Crash Course Philosophy #14

    Anti-Vaxxers, Conspiracy Theories & Epistemic Responsibility: Crash Course Philosophy #14

    678 views / 1 likes - added

    Today we explore what obligations we hold with our personal beliefs. Hank explains epistemic responsibility and the issues it raises with everything from religious belief, to ship owning, to vaccinations. -- Images via Wikimedia Commons, licensed under Cr

  • 07:21 Shaping Public Opinion: Crash Course Government And Politics #34

    Shaping Public Opinion: Crash Course Government And Politics #34

    557 views / 0 likes - added

    So today Craig is going to talk about where our political opinions come from. Of course, most people’s politics are grounded in their ideologies, but there are also other external influences such as the government itself, interest groups, and the media. S

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

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

    2,261 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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  • 04:11 Popular A Fresh Future: Crash Course Kids #33.2

    A Fresh Future: Crash Course Kids #33.2

    750 views / 5 likes - added

    So, how are people fixing their water problems? In this episode of Crash Course Kids, Sabrina talks about a few different examples how some freshwater sources were good, then bad, then made good again. Also, Sabrina talks about parasites, fish, and dams!

  • 11:05 Popular Coal, Steam, and The Industrial Revolution: Crash Course World History #32

    Coal, Steam, and The Industrial Revolution: Crash Course World History #32

    908 views / 1 likes - added

    Mongols Shirts and Crash Course Posters! http://www.dftba.com/crashcourse In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in

  • 10:22 Georges Melies - Master of Illusion: Crash Course Film History #4

    Georges Melies - Master of Illusion: Crash Course Film History #4

    644 views / 0 likes - added

    After the Lumiere brothers and Thomas Edison got the ball rolling with Vaudeville acts and Actualites, the time was coming for movie magic and fiction to make an appearance. The time was coming of filmmakers like Georges Melies and Alice Guy-Blache. Produ

  • 14:41 Lets make a movie recommendation system: Crash Course AI #16

    Lets make a movie recommendation system: Crash Course AI #16

    320 views / 0 likes - added

    Follow along: https://colab.research.google.com/drive/1-v9cw18wTDjaCUlECKHsQnHeisLKyG8U We need to save Jabril and John Green Bots movie nights. Jabril generally likes action movies and John Green Bot likes romantic movies, but they need to find something

  • 11:44 Popular The Mughal Empire and Historical Reputation: Crash Course World History #217

    The Mughal Empire and Historical Reputation: Crash Course World History #217

    1,004 views / 0 likes - added

    There's a new Crash Course poster with all your favorite World History characters! Czech it: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Mughal Empire, which ruled large swaths of the Indian Sub-

  • 10:07 Popular Data Structures: Crash Course Computer Science #14

    Data Structures: Crash Course Computer Science #14

    1,079 views / 0 likes - added

    Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And it is this abilit

  • 10:16 Why Moving People is Complicated: Crash Course Engineering #41

    Why Moving People is Complicated: Crash Course Engineering #41

    302 views / 0 likes - added

    Transportation is a big part of our world and engineers play a big role in making it happen. Today well explore how transportation systems are designed and some things transportation engineers have to take into consideration, like signaling, user behavior

  • 13:12 Popular Reader, it's Jane Eyre - Crash Course Literature 207

    Reader, it's Jane Eyre - Crash Course Literature 207

    780 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

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

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

    634 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

  • 03:19 Popular The Dirt On Decomposers: Crash Course Kids #7.2

    The Dirt On Decomposers: Crash Course Kids #7.2

    2,198 views / 3 likes - added

    We've talked about food chains and how energy moves through an ecosystem, but let's take a step back and see how everything starts... and ends. Decomposers! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Cour

  • 10:36 Popular The Nervous System, Part 1: Crash Course A&P #8

    The Nervous System, Part 1: Crash Course A&P #8

    1,180 views / 1 likes - added

    •••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** 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 aff

  • 09:04 Popular Blood Vessels, Part 2: Crash Course A&P #28

    Blood Vessels, Part 2: Crash Course A&P #28

    1,476 views / 0 likes - added

    And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with high blood pressur

  • 06:35 Popular Seeing Stars: Crash Course Kids

    Seeing Stars: Crash Course Kids

    799 views / 0 likes - added

    ***Corrected with Images of Stars/planets*** So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are st

  • 10:26 Popular Economics Of Education: Crash Course Economics #23

    Economics Of Education: Crash Course Economics #23

    810 views / 0 likes - added

    How does education work? Where does the money come from? Who pays for it? Is going to college a good investment? Adriene and Jacob are talking today about the economics of education. Most countries require that their citizens get some education, and most

  • 09:39 Popular Natural Law Theory: Crash Course Philosophy #34

    Natural Law Theory: Crash Course Philosophy #34

    1,013 views / 0 likes - added

    Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason

  • 12:17 Popular High Mass Stars: Crash Course Astronomy #31

    High Mass Stars: Crash Course Astronomy #31

    978 views / 1 likes - added

    Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos,

  • 14:04 Popular American Imperialism: Crash Course US History #28

    American Imperialism: Crash Course US History #28

    1,408 views / 0 likes - added

    In which John Green teaches you about Imperialism. In the late 19th century, the great powers of Europe were running around the world obtaining colonial possessions, especially in Africa and Asia. The United States, which as a young country was especially

  • 15:08 Popular Scientific Revolution: Crash Course European History #12

    Scientific Revolution: Crash Course European History #12

    1,063 views / 0 likes - added

    There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this video we'll look

  • 12:29 Soviet Montage: Crash Course Film History #8

    Soviet Montage: Crash Course Film History #8

    674 views / 0 likes - added

    Russia went and had a revolution in 1917 and cinema was a big part of its aftermath. Even though film stock was hard to come by, we saw the first film school started, and the study of film became hugely important. Russian filmmakers started trying to unde

  • 07:17 Popular Freedom Of The Press: Crash Course Government And Politics #26

    Freedom Of The Press: Crash Course Government And Politics #26

    797 views / 0 likes - added

    Today, Craig is going to finish up our discussion of the First Amendment with freedom of the press. Like an individual's right to free speech, the press has a right, and arguably responsibility, to tell the public what the government is doing. But of cour

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  • 06:48 Popular Freedom Of Religion: Crash Course Government And Politics #24

    Freedom Of Religion: Crash Course Government And Politics #24

    751 views / 2 likes - added

    Today, Craig is going to take a look at the First Amendment and your right to freedom of religion. We’ll examine some significant Supreme Court decisions and talk about how they’ve affected our interpretations of the law with respect to stuff like animal

  • 10:44 Popular Electronic Computing: Crash Course Computer Science #2

    Electronic Computing: Crash Course Computer Science #2

    775 views / 0 likes - added

    So we ended last episode at the start of the 20th century with special purpose computing devices such as Herman Hollerith’s tabulating machines. But as the scale of human civilization continued to grow as did the demand for more sophisticated and powerful

  • 09:18 Popular Doing Solids: Crash Course Chemistry #33

    Doing Solids: Crash Course Chemistry #33

    1,108 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.

  • 09:30 Popular Blood Vessels, Part 1 - Form And Function: Crash Course A&P #27

    Blood Vessels, Part 1 - Form And Function: Crash Course A&P #27

    1,405 views / 0 likes - added

    Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures differ slightly in dif

  • 08:46 Popular Election Basics: Crash Course Government And Politics #36

    Election Basics: Crash Course Government And Politics #36

    748 views / 0 likes - added

    This week Craig is going to give you a broad overview of elections in the United States. So as you may have noticed, there are kind of a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem particularly plausible. So to

  • Gas Giants Weather: Crash Course Kids #43.2

    Gas Giants Weather: Crash Course Kids #43.2

    214 views / 0 likes - added

    Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t

  • 08:54 Popular Social Policy: Crash Course Government And Politics #49

    Social Policy: Crash Course Government And Politics #49

    2,000 views / 2 likes - added

    Today, Craig is going to talk about social policy - in the United States this means achieving one of three goals: protecting Americans from risk, promoting equal opportunity, or assisting the poor. Many Americans strongly believe in individualism, that is

  • 12:55 Popular Asian Responses to Imperialism: Crash Course World History #213

    Asian Responses to Imperialism: Crash Course World History #213

    814 views / 0 likes - added

    In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism, specifically writers from countries that were colonized by European powers. We'll look at th

  • 05:56 Popular Weather In Space (the Rocky Planets): Crash Course Kids #43.1

    Weather In Space (the Rocky Planets): Crash Course Kids #43.1

    955 views / 4 likes - added

    Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on the rocky planets in

  • 04:13 Popular Let's Build A City: Crash Course Kids #48.1

    Let's Build A City: Crash Course Kids #48.1

    807 views / 3 likes - added

    So, we've built a lot of things over the last year and we've become awesome engineers in the process. But now it's time for a real challenge. Let's build a city! That's right, you heard me! In this episode, Sabrina shows us what we need to think about whe

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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

    667 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

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

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

    924 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 14:34 Florence and the Renaissance: Crash Course European History #2

    Florence and the Renaissance: Crash Course European History #2

    565 views / 0 likes - added

    The Renaissance was a cultural revitalization that spread across Europe, and had repercussions across the globe, but one smallish city-state in Italy was in many ways the epicenter of the thing. Florence, or as Italians might say, Firenze, was the home to

  • 08:14 Popular Legal System Basics: Crash Course Government And Politics #18

    Legal System Basics: Crash Course Government And Politics #18

    1,148 views / 1 likes - added

    This week Craig Benzine takes a first look at the judicial branch. It's pretty easy to forget that the courts, and the laws that come out of them, affect our lives on a daily basis. But how exactly these decisions are made and where each law's jurisdictio

  • 10:41 Popular Muscles, Part 2 - Organismal Level: Crash Course A&P #22

    Muscles, Part 2 - Organismal Level: Crash Course A&P #22

    1,384 views / 1 likes - added

    Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three phase cycle of muscle twitches, and how t

  • 04:32 Popular Organizing Properties: Crash Course Kids #35.1

    Organizing Properties: Crash Course Kids #35.1

    763 views / 1 likes - added

    Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though these groups are total

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  • 04:42 Popular The Life Hydrologic: Crash Course Kids #30.2

    The Life Hydrologic: Crash Course Kids #30.2

    966 views / 0 likes - added

    Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go. Watch More Crash Course Kids: h

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  • 04:09 Popular The Zodiac Constellations: Crash Course Kids #37.1

    The Zodiac Constellations: Crash Course Kids #37.1

    911 views / 2 likes - added

    We've talked about constellations; groups of stars in the night sky that we assign names to. But there are a certain group of special constellations called The Zodiac that Sabrina is going to chat about. Gemini, Sagittarius, Scorpio? You've heard of them

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  • 08:20 Popular Network Solids and Carbon: Crash Course Chemistry #34

    Network Solids and Carbon: Crash Course Chemistry #34

    941 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.

  • 09:56 Sociology & the Scientific Method: Crash Course Sociology #3

    Sociology & the Scientific Method: Crash Course Sociology #3

    614 views / 0 likes - added

    What puts the “science” in social science? Today we’ll explore positivist sociology and how sociologists use empirical evidence to explore questions about the social world. We’ll also introduce two alternatives: interpretative sociology and critical socio

  • 10:24 Nuclear Physics: Crash Course Physics #45

    Nuclear Physics: Crash Course Physics #45

    650 views / 0 likes - added

    Take the PBS Digital Studios annual survey: http://surveymonkey.com/r/pbsds2017 It's time for our second to final Physics episode. So, let's talk Einstein and Nuclear Physics. What does E=MC2 actually mean? Why is it so useful to us as physicists and huma

  • 09:24 Social Class & Poverty in the US: Crash Course Sociology #24

    Social Class & Poverty in the US: Crash Course Sociology #24

    601 views / 1 likes - added

    Today we’re breaking down the five different social class in the United States: the upper class, the upper middle class, the average middle class, the working class, and the lower class. We’ll also go over what poverty looks like in the United States. Cra

  • 08:20 Popular How To Survive A Plane Crash!? - Myths Debunked

    How To Survive A Plane Crash!? - Myths Debunked

    722 views / 0 likes - added

    It's something we've all worried about - will the plane you’re on crash in a horrible accident killing everyone on board? But is the brace position we’re all told to use actually designed to kill us? And where exactly should you sit on a plane to increase

  • Popular Metals & Ceramics: Crash Course Engineering #19

    Metals & Ceramics: Crash Course Engineering #19

    1,155 views / 0 likes - added

    Today well explore more about two of the three main types of materials that we use as engineers: metals and ceramics. Well discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. Well also look at the applications of our

  • 04:43 Popular Gas Giants Weather: Crash Course Kids #43.2

    Gas Giants Weather: Crash Course Kids #43.2

    761 views / 1 likes - added

    Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t

  • 09:22 Popular Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology #9

    Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology #9

    1,913 views / 1 likes - added

    Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles. Like Crash Course! http://www.facebook.com/YouTubeCrashCourse Follow Cras

  • 09:03 Popular Leonardo DiCaprio & The Nature Of Reality: Crash Course Philosophy #4

    Leonardo DiCaprio & The Nature Of Reality: Crash Course Philosophy #4

    705 views / 0 likes - added

    Today Hank gains insight from that most philosophical of figures...Leonardo DiCaprio. In this episode, we’re talking about the process of philosophical discovery and questioning the relationship between appearance and reality by taking a look at Plato’s f

  • 10:27 Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

    Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

    344 views / 0 likes - added

    There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing th

  • 13:38 Reformation and Consequences: Crash Course European History #7

    Reformation and Consequences: Crash Course European History #7

    482 views / 0 likes - added

    The Protestant Reformation didn't exactly begin with Martin Luther, and it didn't end with him either. Reformers and monarchs changed the ways that religious and state power were organized throughout the 16th and early 17th centuries. Jean Calvin in Franc

  • 09:16 Popular The Physics of Heat: Crash Course Physics #22

    The Physics of Heat: Crash Course Physics #22

    1,127 views / 0 likes - added

    Have you ever wondered why we wear clothes? I mean, beyond the obvious. Why does wearing a jacket in the cold keep your warmer? What is happening to all the heat inside your body? In this episode of Crash Course Physics, Shini talks about the Physics of h

  • 09:03 Popular The Ideal Gas Law: Crash Course Chemistry #12

    The Ideal Gas Law: Crash Course Chemistry #12

    1,163 views / 0 likes - added

    Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is they almost never beh

  • 15:09 Modern Thought and Culture in 1900: Crash Course European History #31

    Modern Thought and Culture in 1900: Crash Course European History #31

    360 views / 0 likes - added

    Europe was in transition politically and culturally at the beginning of the 20th century. Today, we're looking at the dawn of modern science, and the rise of Modernism in the arts, especially in music, dance, and visual arts. We'll look at changes in musi

  • 14:16 Using Wikipedia: Crash Course Navigating Digital Information #5

    Using Wikipedia: Crash Course Navigating Digital Information #5

    297 views / 0 likes - added

    Let's talk about Wikipedia. Wikipedia is often maligned by teachers and twitter trolls alike as an unreliable source. And yes, it does sometimes have major errors and omissions, but Wikipedia is also the Internet's largest general reference work and as su

  • 09:13 Indiana Jones & Pascal's Wager: Crash Course Philosophy #15

    Indiana Jones & Pascal's Wager: Crash Course Philosophy #15

    693 views / 0 likes - added

    Today we conclude our unit on Philosophy of Religion and Hank gets a little help from Indiana Jones to explain religious pragmatism and Pascal’s Wager, fideism, and Kierkegaard’s leap to faith. -- “Indiana Jones” © Copyright Walt Disney Studios All other

  • 07:14 Affirmative Action: Crash Course Government And Politics #32

    Affirmative Action: Crash Course Government And Politics #32

    679 views / 0 likes - added

    So we've been talking about civil rights for the last few episodes now, and we're finally going to wrap this discussion up with the rather controversial topic of affirmative action. We'll explain what exactly affirmative action is, who it is for, and why

  • 10:10 Popular Introduction To Intellectual Property: Crash Course IP 1

    Introduction To Intellectual Property: Crash Course IP 1

    825 views / 0 likes - added

    This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat

  • 02:56 Popular Gotta Eat! - Crash Course Kids 1.1

    Gotta Eat! - Crash Course Kids 1.1

    1,181 views / 2 likes - added

    Welcome to Crash Course Kids. In this first episode, Sabrina takes a look at why all living things need to eat. Plus, she shows you a way to investigate why all living things need to eat. This first series is based on 5th grade science. We're super excite

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  • 11:37 Aliens: Crash Course Film Criticism

    Aliens: Crash Course Film Criticism

    663 views / 0 likes - added

    James Cameron rocketed onto the action film scene with 1984's "The Terminator" and followed that up with a highly anticipated sequel to the 1979 film, "Alien." His film, "Aliens," would go on to not only be a financial success, but a critical one and has

  • 08:57 Interest Group Formation: Crash Course Government And Politics #43

    Interest Group Formation: Crash Course Government And Politics #43

    629 views / 1 likes - added

    So last week we talked about what special interest groups are and how they influence the political system, and today we’re going to focus on why we even have them in the first place. As to avoid getting too cynical, we’re going to focus on five benefits o

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

    Autonomic Nervous System: Crash Course A&P #13

    1,523 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

  • 08:40 Discrimination: Crash Course Government And Politics #31

    Discrimination: Crash Course Government And Politics #31

    689 views / 1 likes - added

    Today, Craig is going to wrap up our discussion of discrimination by looking more closely at those “discrete and insular minorities” referenced in the 14th Amendment. We’ll talk about instances of discrimination of Asian, European, and Latino immigrants,

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  • 09:40 Popular The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

    The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

    868 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev

  • 15:40 The Age of Exploration: Crash Course European History #4

    The Age of Exploration: Crash Course European History #4

    530 views / 0 likes - added

    The thing about European History is that it tends to leak out of Europe. Europeans haven't been great at staying put in Europe. As human beings do, the people of Europe were very busy traveling around to trade, to spread religion, and in a lot of cases to

  • 10:39 How Not to Set Your Pizza on Fire: Crash Course Engineering #15

    How Not to Set Your Pizza on Fire: Crash Course Engineering #15

    314 views / 0 likes - added

    Today were going to explain how exchangers...exchange heat. Well look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And well look at some equations to help us sort through heat transfer and decide what heat

  • 11:02 Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

    Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

    360 views / 0 likes - added

    Engineering, like life, could really use a lot more cheese. This week we are looking at a cheese factory in Toronto and what it can teach us about process control systems. Well explore feedforward and feedback systems, and see how integrating them both wi

  • 03:37 Popular The Science Of Lunch: Crash Course Kids #15.2

    The Science Of Lunch: Crash Course Kids #15.2

    3,609 views / 2 likes - added

    Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series is based on 5th gra

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  • 09:52 Popular Locke, Berkeley, & Empiricism: Crash Course Philosophy #6

    Locke, Berkeley, & Empiricism: Crash Course Philosophy #6

    759 views / 0 likes - added

    This week we answer skeptics like Descartes with empiricism. Hank explains John Locke’s primary and secondary qualities and why George Berkeley doesn’t think that distinction works -- leaving us with literally nothing but our minds, ideas, and perceptions

  • 09:10 Popular HOW World War I Started: Crash Course World History 209

    HOW World War I Started: Crash Course World History 209

    1,519 views / 6 likes - added

    In which John Green teaches you about World War I and how it got started. Crash Course doesn't usually talk much about dates, but the way that things unfolded in July and August of 1914 are kind of important to understanding the Great War. You'll learn ab

  • 14:48 Post-World War I Recovery: Crash Course European History #36

    Post-World War I Recovery: Crash Course European History #36

    466 views / 0 likes - added

    In which John Green looks at Europe's attempts to recover from the devastation of World War I and forge a lasting peace. The peace did not last. Today we're talking about the economic cultural recovery of the 1920s, and the economic depression of the 1930

  • 10:04 Popular The Hydrologic And Carbon Cycles: Always Recycle! - Crash Course Ecology #8

    The Hydrologic And Carbon Cycles: Always Recycle! - Crash Course Ecology #8

    1,280 views / 0 likes - added

    Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle do

  • 09:51 Popular Urinary System, Part 2: Crash Course A&P #39

    Urinary System, Part 2: Crash Course A&P #39

    1,630 views / 2 likes - added

    As we promised last week, we're not quite done talking about your pee yet. Today Hank explains how the urinary system regulates the production of urine, by maintaining a study glomerular flow rate. He'll also cover the anatomy of storing and excreting uri

  • 13:42 Popular The Cold War in Asia: Crash Course US History #38

    The Cold War in Asia: Crash Course US History #38

    970 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

  • 11:32 Popular Wait For It...The Mongols!: Crash Course World History #17

    Wait For It...The Mongols!: Crash Course World History #17

    989 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

  • 08:07 Popular Sex Discrimination: Crash Course Government And Politics #30

    Sex Discrimination: Crash Course Government And Politics #30

    740 views / 1 likes - added

    Today, Craig is going to talk about employment discrimination, and we're going to focus primarily on women in the workforce. Discrimination against women tends to be handled somewhat differently in the courts as they are not a minority. Even so, the court

  • 10:54 Popular The Civil War Part 2: Crash Course US History #21

    The Civil War Part 2: Crash Course US History #21

    1,262 views / 6 likes - added

    In which John Green teaches you how the Civil War played a large part in making the United States the country that it is today. He covers some of the key ways in which Abraham Lincoln influenced the outcome of the war, and how the lack of foreign interven

  • 08:29 Popular Due Process Of Law: Crash Course Government And Politics #28

    Due Process Of Law: Crash Course Government And Politics #28

    732 views / 0 likes - added

    This week Craig is going to continue our discussion of due process. Technically, we started last week with the 4th amendment and search and seizure, but this week we’re going to look at the 5th and 6th amendments and how they ensure a fair trial. We’ll ta

  • 15:29 The French Revolution: Crash Course European History #21

    The French Revolution: Crash Course European History #21

    527 views / 0 likes - added

    In 1789, the French Monarchy's habit of supporting democratic popular revolutions in North America backfired. Today, we're talking about the French Revolution. Across the world, people were rising up to throw off monarchies, and Louis didn't see the writi

  • 12:16 Popular Neural Networks: Crash Course Statistics #41

    Neural Networks: Crash Course Statistics #41

    953 views / 0 likes - added

    Today we're going to talk big picture about what Neural Networks are and how they work. Neural Networks, which are computer models that act like neurons in the human brain, are really popular right now - they're being used in everything from self-driving

  • 10:01 Popular Cartesian Skepticism - Neo, Meet Rene: Crash Course Philosophy #5

    Cartesian Skepticism - Neo, Meet Rene: Crash Course Philosophy #5

    1,012 views / 0 likes - added

    This week Hank introduces skepticism, exploring everything from the nature of reality through the eyes of a 17th century philosopher and, of course, The Matrix. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commons by 4

  • 13:36 Popular Operating Systems: Crash Course Computer Science #18

    Operating Systems: Crash Course Computer Science #18

    763 views / 0 likes - added

    Get 10% off a custom domain and email address by going to https://www.hover.com/CrashCourse. So as you may have noticed from last episode, computers keep getting faster and faster, and by the start of the 1950s they had gotten so fast that it often took l

  • 08:45 Media Institution: Crash Course Government And Politics #44

    Media Institution: Crash Course Government And Politics #44

    698 views / 0 likes - added

    So today we're going to look at the rather thorny issue of the media and its role in politics. Wether you're talking about older forms of media like newspapers and radio or newer forms like television and the Internet, all media serves the same purpose -

  • 10:13 Conservation And Restoration Ecology: Crash Course Ecology #12

    Conservation And Restoration Ecology: Crash Course Ecology #12

    641 views / 0 likes - added

    Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting ecosystems and to c

  • 09:16 Media Regulation: Crash Course Government And Politics #45

    Media Regulation: Crash Course Government And Politics #45

    636 views / 0 likes - added

    Today we wrap up our discussion of the media by talking about how the government interacts with and influences the content we see. Now it may be easy to assume that because we live in a free-market capitalist society, the only real regulation of the media

  • 07:58 Popular Gerrymandering: Crash Course Government And Politics #37

    Gerrymandering: Crash Course Government And Politics #37

    750 views / 1 likes - added

    Today Craig is going to talk about a topic that makes voters and politicians alike ANGRY! We're going to talk about Gerrymandering - that is the process in which voting districts are redrawn in a way to favor one party during elections. As you'll see, thi

  • 13:14 Expansion and Resistance: Crash Course European History #28

    Expansion and Resistance: Crash Course European History #28

    528 views / 0 likes - added

    In 19th century Europe, with nation building well under way, thoughts turned outward, toward empire. This week, we're looking at how Europeans expanded into Africa, Asia, and Oceania during the 1800s. You'll learn about China and the Opium War, British In

  • 08:16 Popular Equal Protection: Crash Course Government And Politics #29

    Equal Protection: Crash Course Government And Politics #29

    763 views / 1 likes - added

    Today, Craig is going to talk about the most important part of the Constitution - the Fourteenth Amendment. In particular, we're going to discuss the "equal protection" clause and how it relates to our civil rights. So we've spent the last few episodes ta

  • 09:30 Popular YouTube Couldn't Exist Without Communications & Signal Processing: Crash Course Engineering #42

    YouTube Couldn't Exist Without Communications & Signal Processing: Crash Course Engineering #42

    1,052 views / 0 likes - added

    Engineering helped make this video possible. This week well look at how its possible for you to watch this video with the fundamentals of signal processing. Well explore things from Morse Code, to problems like bandwidth capacity and noise, to how we arri

  • 13:23 Popular The Big Bang: Crash Course Astronomy #42

    The Big Bang: Crash Course Astronomy #42

    948 views / 0 likes - added

    Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a

  • 11:23 Popular pH and pOH: Crash Course Chemistry #30

    pH and pOH: Crash Course Chemistry #30

    920 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.

  • 10:24 Popular Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

    Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

    1,283 views / 2 likes - added

    We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament m

  • 06:52 Popular Freedom Of Speech: Crash Course Government And Politics #25

    Freedom Of Speech: Crash Course Government And Politics #25

    760 views / 1 likes - added

    Today, FINALLY, Craig is going to talk about Free Speech! Now, free speech is so important because it not only allows you to critique the government, but it also protects you from the government. But it's essential to remember that not ALL speech is prote

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  • 15:01 The Roads to World War I: Crash Course European History #32

    The Roads to World War I: Crash Course European History #32

    384 views / 0 likes - added

    Much has been written about what exactly caused World War I. As befits a true global war, the reality is that there isn't a single cause. There aren't even three causes. There are a vast array of causes. Today we'll get into just a few of those causes, in

  • 08:47 Popular Political Ideology: Crash Course Government And Politics #35

    Political Ideology: Crash Course Government And Politics #35

    892 views / 1 likes - added

    So today Craig is going to look at political ideology in America. We're going to focus on liberals and conservatives and talk about the influencers of both of these viewpoints. Now, it's important to remember that political ideologies don't always perfect

  • 09:42 Building a Desalination Plant from Scratch: Crash Course Engineering #44

    Building a Desalination Plant from Scratch: Crash Course Engineering #44

    320 views / 0 likes - added

    An essential part of engineering is engineering design. Today well see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. Well explain the need test things on a smaller scal

  • 10:18 Popular Mercury: Crash Course Astronomy #13

    Mercury: Crash Course Astronomy #13

    1,316 views / 10 likes - added

    Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface. -- Table of Contents Closest Planet to the Sun 0:03 Rotation Locked t

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  • 09:05 Popular Nomenclature - Crash Course Chemistry #44

    Nomenclature - Crash Course Chemistry #44

    1,367 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.

  • 10:52 Memory: Crash Course Study Skills #3

    Memory: Crash Course Study Skills #3

    589 views / 0 likes - added

    This episode is sponsored by The Great Courses Plus. Start your free one-month trial today (and let The Great Courses Plus know we sent you!): http://ow.ly/faUN30db5c7 An essential part of learning and studying is remembering things, so this week Thomas e

  • 14:51 Popular The Rise of Conservatism: Crash Course US History #41

    The Rise of Conservatism: Crash Course US History #41

    714 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. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 05:28 Popular Let's Take A Hike: Crash Course Kids #30.1

    Let's Take A Hike: Crash Course Kids #30.1

    923 views / 2 likes - added

    Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and moorlands. Let's take a

  • 10:18 Popular Urinary System, Part 1: Crash Course A&P #38

    Urinary System, Part 1: Crash Course A&P #38

    992 views / 1 likes - added

    Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt and water concentrat

  • 03:58 Popular Landforms, Hey!: Crash Course Kids #17.1

    Landforms, Hey!: Crash Course Kids #17.1

    1,922 views / 8 likes - added

    If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and they come in differen

  • 10:35 Popular Software Engineering: Crash Course Computer Science #16

    Software Engineering: Crash Course Computer Science #16

    1,027 views / 0 likes - added

    Today, we’re going to talk about how HUGE programs with millions of lines of code like Microsoft Office are built. Programs like these are way too complicated for a single person, but instead require teams of programmers using the tools and best practices

  • 03:04 Popular How To Get Resources - Picky Pineapples: Crash Course Kids #2.2

    How To Get Resources - Picky Pineapples: Crash Course Kids #2.2

    1,515 views / 1 likes - added

    Want a Pineapple? If you want a pineapple, it's possible you can just run down to the store and get one. But, if you wanted to grow one, that's a lot more difficult depending on where you live. In this episode of Crash Course Kids, Sabrina talks about how

  • 09:54 Reading Assignments: Crash Course Study Skills #2

    Reading Assignments: Crash Course Study Skills #2

    524 views / 0 likes - added

    Leaving the bookstore at the beginning of the semester you’re probably wondering how the heck you’re going to get through all of that reading. Today we’re explaining how much of that reading you really need to do and the best strategies for making your wa

  • 09:32 Popular Language & Meaning: Crash Course Philosophy #26

    Language & Meaning: Crash Course Philosophy #26

    983 views / 1 likes - added

    Today we start our unit on language with a discussion of meaning and how we assign and understand meaning. We’ll cover sense and reference, beetles in boxes, and language games. We’re also getting into the meaning-making game ourselves: bananas are now ch

  • 10:46 Popular Binary - Representing Numbers and Letters: Crash Course Computer Science #4

    Binary - Representing Numbers and Letters: Crash Course Computer Science #4

    1,477 views / 0 likes - added

    Today, we’re going to take a look at how computers use a stream of 1s and 0s to represent all of our data - from our text messages and photos to music and webpages. We’re going to focus on how these binary values are used to represent numbers and letters,

  • 13:44 Earth Science: Crash Course History of Science #20

    Earth Science: Crash Course History of Science #20

    490 views / 0 likes - added

    It's Earth Science time!!!! In this field, natural philosophers were asking questions like, whats up with fossils? Are they the remains of extinct organisms? Or are they so-called sports of naturerocks that just happen to look like living things but dont

  • 15:33 Popular Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

    Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

    898 views / 1 likes - added

    In which John Green teaches you about the end of World History, and the end of the world as we know it, kind of. For the last hundred years or so, it seemed that one important ingredient for running an economically successful country was a western-style d

  • 13:26 Let's make an AI that destroys video games: Crash Course AI #13

    Let's make an AI that destroys video games: Crash Course AI #13

    306 views / 0 likes - added

    Follow along: https://colab.research.google.com/drive/1uYXTDeBbPeuJfM1teufZ9nUaiRIN9nHW Today we create a game and then build an AI to destroy it. Our game is called TrashBlaster, and its like Asteroids but with trash in the ocean, and instead of a spaces

  • 12:49 Popular Decolonization and Nationalism Triumphant: Crash Course World History #40

    Decolonization and Nationalism Triumphant: Crash Course World History #40

    908 views / 2 likes - added

    READ THIS: THERE ARE TWO MORE VIDEOS IN THE WORLD HISTORY SERIES. You should also turn on the captions. You'll like them. In which John Green teaches you about the post-World War II breakup of most of the European empires. As you'll remember from previous

  • 09:58 Popular Nuclear Chemistry: Crash Course Chemistry #38

    Nuclear Chemistry: Crash Course Chemistry #38

    760 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.

  • 11:16 Mass Separation: Crash Course Engineering #17

    Mass Separation: Crash Course Engineering #17

    418 views / 0 likes - added

    It can be really important to separate out chemicals for all kinds of reasons. Today were going over three different processes engineers use to achieve that separation: distillation, which separates substances based on their different boiling points; liqu


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