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

694 views / 0 likes - added 6 years ago

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
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Political Parties: Crash Course Government And Politics #40

670 views / 1 likes - added 8 years ago

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
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Taking Notes: Crash Course Study Skills #1

831 views / 0 likes - added 6 years ago

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

832 views / 3 likes - added 9 years ago

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
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Registers and RAM: Crash Course Computer Science #6

738 views / 0 likes - added 7 years ago

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
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Memory & Storage: Crash Course Computer Science #19

589 views / 0 likes - added 6 years ago

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
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Types Of Bureaucracies: Crash Course Government And Politics #16

610 views / 0 likes - added 9 years ago

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
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Test Anxiety: Crash Course Study Skills #8

612 views / 0 likes - added 6 years ago

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

1,551 views / 0 likes - added 9 years ago

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

546 views / 0 likes - added 6 years ago

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

588 views / 0 likes - added 6 years ago

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

1,174 views / 1 likes - added 8 years ago

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

448 views / 0 likes - added 6 years ago

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

228 views / 0 likes - added 2 years ago

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

1,251 views / 2 likes - added 8 years ago

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’
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Breaking the Silence: Crash Course Film History #10

558 views / 1 likes - added 6 years ago

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
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Galaxies, Part 2: Crash Course Astronomy #39

670 views / 0 likes - added 8 years ago

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
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A Change Of Scenery: Crash Course Kids #17.2

4,435 views / 2 likes - added 8 years ago

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

1,807 views / 5 likes - added 8 years ago

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
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Robots: Crash Course Computer Science #37

603 views / 2 likes - added 6 years ago

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,
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Taste&Smell: Crash Course A&P #16

985 views / 0 likes - added 9 years ago

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
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The Enlightenment: Crash Course European History #18

846 views / 2 likes - added 4 years ago

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

826 views / 1 likes - added 8 years ago

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.
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Land And Water: Crash Course Kids #16.1

1,239 views / 2 likes - added 8 years ago

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
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Polymers - Crash Course Chemistry #45

2,009 views / 0 likes - added 9 years ago

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.
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Living Things Change: Crash Course Kids #41.1

1,327 views / 3 likes - added 8 years ago

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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Television Production: Crash Course Film Production #15

548 views / 0 likes - added 6 years ago

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

1,427 views / 0 likes - added 9 years ago

•••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
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Alkenes&Alkynes - Crash Course Chemistry #41

1,092 views / 0 likes - added 9 years ago

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.
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Money And Finance: Crash Course Economics #11

846 views / 1 likes - added 8 years ago

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
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Public Opinion: Crash Course Government And Politics #33

1,202 views / 0 likes - added 8 years ago

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
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Water and Classical Civilizations: Crash Course World History 222

692 views / 1 likes - added 9 years ago

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
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The Language of Film: Crash Course Film History #5

761 views / 0 likes - added 7 years ago

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

1,649 views / 1 likes - added 8 years ago

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
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The Future of Artificial Intelligence: Crash Course AI #20

544 views / 0 likes - added 4 years ago

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
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Hydrocarbon Power! - Crash Course Chemistry #40

913 views / 0 likes - added 9 years ago

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

1,436 views / 0 likes - added 9 years ago

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
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Weather Channels: Crash Course Kids #34.2

1,327 views / 2 likes - added 8 years ago

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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Material Magic - Making Diamonds: Crash Course Kids #40.2

972 views / 1 likes - added 8 years ago

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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The Northern Renaissance: Crash Course European History #3

412 views / 0 likes - added 4 years ago

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.
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What Is God Like?: Crash Course Philosophy #12

760 views / 0 likes - added 8 years ago

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

1,054 views / 1 likes - added 8 years ago

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,
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Sympathetic Nervous System: Crash Course A&P #14

705 views / 0 likes - added 9 years ago

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
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Black Holes: Crash Course Astronomy #33

942 views / 3 likes - added 8 years ago

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
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Defining Success: Crash Course Kids #18.2

621 views / 0 likes - added 8 years ago

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
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Why Cosmic Evolution Matters: Crash Course Big History #201

492 views / 0 likes - added 7 years ago

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
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The Agricultural Revolution: Crash Course World History #1

846 views / 0 likes - added 9 years ago

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
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Planning & Organization: Crash Course Study Skills #4

834 views / 1 likes - added 6 years ago

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:
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The Great Aqua Adventure: Crash Course Kids #24.1

888 views / 3 likes - added 8 years ago

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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Microsoft And Connected Consoles: Crash Course Games #10

659 views / 1 likes - added 8 years ago

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
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Following The Sun: Crash Course Kids #8.2

1,955 views / 7 likes - added 9 years ago

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
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Presidential Powers 2: Crash Course Government And Politics

669 views / 0 likes - added 9 years ago

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
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The Progressive Era: Crash Course US History #27

907 views / 1 likes - added 9 years ago

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
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Orbits Are Odd: Crash Course Kids #22.2

776 views / 0 likes - added 8 years ago

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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Earth's Rotation & Revolution: Crash Course Kids 8.1

1,528 views / 1 likes - added 9 years ago

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

544 views / 0 likes - added 4 years ago

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
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Civil Rights & Liberties: Crash Course Government #23

709 views / 0 likes - added 8 years ago

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
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Party Systems: Crash Course Government And Politics #41

683 views / 0 likes - added 8 years ago

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
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Congressional Delegation: Crash Course Government And Politics #13

614 views / 0 likes - added 9 years ago

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,
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Neural Networks and Deep Learning: Crash Course AI #3

319 views / 1 likes - added 4 years ago

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
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Reversibility & Irreversibility: Crash Course Engineering #8

312 views / 0 likes - added 4 years ago

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
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The Skeletal System: Crash Course A&P #19

2,036 views / 3 likes - added 9 years ago

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
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How Presidents Govern: Crash Course Government And Politics #14

896 views / 0 likes - added 9 years ago

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

1,129 views / 2 likes - added 9 years ago

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

1,107 views / 0 likes - added 8 years ago

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
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Napoleon Bonaparte: Crash Course European History #22

1,128 views / 5 likes - added 4 years ago

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

1,324 views / 0 likes - added 8 years ago

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

397 views / 1 likes - added 4 years ago

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
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Uniform Circular Motion: Crash Course Physics #7

1,349 views / 0 likes - added 8 years ago

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
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Market Economy: Crash Course Government And Politics #46

884 views / 1 likes - added 8 years ago

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
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The Ecliptic: Crash Course Kids #37.2

551 views / 0 likes - added 8 years ago

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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Heat Transfer: Crash Course Engineering #14

376 views / 0 likes - added 4 years ago

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

792 views / 0 likes - added 6 years ago

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
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Psychological Research - Crash Course Psychology #2

812 views / 1 likes - added 9 years ago

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.
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Bureaucracy Basics: Crash Course Government And Politics #15

959 views / 0 likes - added 9 years ago

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
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Casual Gaming: Crash Course Games #11

655 views / 0 likes - added 7 years ago

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

816 views / 0 likes - added 8 years ago

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
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Equilibrium Equations: Crash Course Chemistry #29

745 views / 0 likes - added 9 years ago

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.
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Search And Seizure: Crash Course Government And Politics #27

702 views / 0 likes - added 8 years ago

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
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Climate Science: Crash Course History of Science #45

319 views / 0 likes - added 4 years ago

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

303 views / 0 likes - added 4 years ago

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

1,764 views / 0 likes - added 9 years ago

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

4,242 views / 0 likes - added 8 years ago

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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Aromatics and Cyclic Compounds - Crash Course Chemistry #42

1,822 views / 0 likes - added 9 years ago

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.
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Current Events: Crash Course Kids #34.1

1,263 views / 2 likes - added 8 years ago

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

1,945 views / 0 likes - added 8 years ago

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
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Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

747 views / 0 likes - added 8 years ago

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
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The Physics of Music: Crash Course Physics #19

1,085 views / 0 likes - added 7 years ago

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

616 views / 0 likes - added 6 years ago

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

678 views / 1 likes - added 8 years ago

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
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Shaping Public Opinion: Crash Course Government And Politics #34

557 views / 0 likes - added 8 years ago

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

2,261 views / 0 likes - added 9 years ago

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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A Fresh Future: Crash Course Kids #33.2

750 views / 5 likes - added 8 years ago

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

908 views / 1 likes - added 9 years ago

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

644 views / 0 likes - added 7 years ago

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

320 views / 0 likes - added 4 years ago

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

1,004 views / 0 likes - added 9 years ago

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-
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Data Structures: Crash Course Computer Science #14

1,079 views / 0 likes - added 7 years ago

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
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Why Moving People is Complicated: Crash Course Engineering #41

302 views / 0 likes - added 4 years ago

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

780 views / 2 likes - added 9 years ago

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

634 views / 0 likes - added 9 years ago

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
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The Dirt On Decomposers: Crash Course Kids #7.2

2,198 views / 3 likes - added 9 years ago

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

1,180 views / 1 likes - added 9 years ago

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

1,476 views / 0 likes - added 8 years ago

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
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Seeing Stars: Crash Course Kids

799 views / 0 likes - added 8 years ago

***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
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Economics Of Education: Crash Course Economics #23

809 views / 0 likes - added 8 years ago

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
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Natural Law Theory: Crash Course Philosophy #34

1,013 views / 0 likes - added 7 years ago

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
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High Mass Stars: Crash Course Astronomy #31

978 views / 1 likes - added 8 years ago

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,
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American Imperialism: Crash Course US History #28

1,408 views / 0 likes - added 9 years ago

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
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Scientific Revolution: Crash Course European History #12

1,063 views / 0 likes - added 4 years ago

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
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Soviet Montage: Crash Course Film History #8

674 views / 0 likes - added 7 years ago

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

797 views / 0 likes - added 8 years ago

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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Freedom Of Religion: Crash Course Government And Politics #24

751 views / 2 likes - added 8 years ago

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

775 views / 0 likes - added 7 years ago

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
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Doing Solids: Crash Course Chemistry #33

1,108 views / 0 likes - added 9 years ago

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

1,405 views / 0 likes - added 8 years ago

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
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Election Basics: Crash Course Government And Politics #36

748 views / 0 likes - added 8 years ago

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

214 views / 0 likes - added 2 years ago

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
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Social Policy: Crash Course Government And Politics #49

2,000 views / 2 likes - added 8 years ago

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
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Asian Responses to Imperialism: Crash Course World History #213

814 views / 0 likes - added 9 years ago

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

955 views / 4 likes - added 8 years ago

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

807 views / 3 likes - added 8 years ago

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

667 views / 0 likes - added 9 years ago

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

924 views / 0 likes - added 9 years ago

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
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Florence and the Renaissance: Crash Course European History #2

565 views / 0 likes - added 4 years ago

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
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Legal System Basics: Crash Course Government And Politics #18

1,148 views / 1 likes - added 9 years ago

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

1,384 views / 1 likes - added 9 years ago

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
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Organizing Properties: Crash Course Kids #35.1

763 views / 1 likes - added 8 years ago

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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The Life Hydrologic: Crash Course Kids #30.2

966 views / 0 likes - added 8 years ago

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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The Zodiac Constellations: Crash Course Kids #37.1

911 views / 2 likes - added 8 years ago

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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Network Solids and Carbon: Crash Course Chemistry #34

941 views / 0 likes - added 9 years ago

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.
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Sociology & the Scientific Method: Crash Course Sociology #3

614 views / 0 likes - added 7 years ago

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
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Nuclear Physics: Crash Course Physics #45

649 views / 0 likes - added 7 years ago

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

601 views / 1 likes - added 6 years ago

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
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How To Survive A Plane Crash!? - Myths Debunked

722 views / 0 likes - added 5 years ago

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
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Metals & Ceramics: Crash Course Engineering #19

1,155 views / 0 likes - added 4 years ago

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
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Gas Giants Weather: Crash Course Kids #43.2

761 views / 1 likes - added 8 years ago

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

1,913 views / 1 likes - added 8 years ago

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

705 views / 0 likes - added 8 years ago

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

344 views / 0 likes - added 4 years ago

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
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Reformation and Consequences: Crash Course European History #7

482 views / 0 likes - added 4 years ago

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
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The Physics of Heat: Crash Course Physics #22

1,126 views / 0 likes - added 7 years ago

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
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The Ideal Gas Law: Crash Course Chemistry #12

1,162 views / 0 likes - added 9 years ago

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

360 views / 0 likes - added 4 years ago

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
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Using Wikipedia: Crash Course Navigating Digital Information #5

297 views / 0 likes - added 4 years ago

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

693 views / 0 likes - added 8 years ago

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
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Affirmative Action: Crash Course Government And Politics #32

679 views / 0 likes - added 8 years ago

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
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Introduction To Intellectual Property: Crash Course IP 1

825 views / 0 likes - added 9 years ago

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
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Gotta Eat! - Crash Course Kids 1.1

1,181 views / 2 likes - added 8 years ago

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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Aliens: Crash Course Film Criticism

663 views / 0 likes - added 6 years ago

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
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Interest Group Formation: Crash Course Government And Politics #43

629 views / 1 likes - added 8 years ago

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
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Autonomic Nervous System: Crash Course A&P #13

1,523 views / 1 likes - added 9 years ago

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
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Discrimination: Crash Course Government And Politics #31

689 views / 1 likes - added 8 years ago

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

868 views / 0 likes - added 9 years ago

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

529 views / 0 likes - added 4 years ago

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

314 views / 0 likes - added 4 years ago

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

360 views / 0 likes - added 4 years ago

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
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The Science Of Lunch: Crash Course Kids #15.2

3,609 views / 2 likes - added 8 years ago

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

759 views / 0 likes - added 8 years ago

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
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HOW World War I Started: Crash Course World History 209

1,519 views / 6 likes - added 9 years ago

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

466 views / 0 likes - added 4 years ago

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

1,279 views / 0 likes - added 8 years ago

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

1,630 views / 2 likes - added 8 years ago

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

970 views / 1 likes - added 9 years ago

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

988 views / 2 likes - added 9 years ago

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
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Sex Discrimination: Crash Course Government And Politics #30

740 views / 1 likes - added 8 years ago

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

1,262 views / 6 likes - added 9 years ago

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

732 views / 0 likes - added 8 years ago

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
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The French Revolution: Crash Course European History #21

526 views / 0 likes - added 4 years ago

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
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Neural Networks: Crash Course Statistics #41

953 views / 0 likes - added 4 years ago

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

1,012 views / 0 likes - added 8 years ago

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
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Operating Systems: Crash Course Computer Science #18

763 views / 0 likes - added 6 years ago

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
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Media Institution: Crash Course Government And Politics #44

698 views / 0 likes - added 8 years ago

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 -
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Conservation And Restoration Ecology: Crash Course Ecology #12

641 views / 0 likes - added 8 years ago

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
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Media Regulation: Crash Course Government And Politics #45

636 views / 0 likes - added 8 years ago

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
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Gerrymandering: Crash Course Government And Politics #37

750 views / 1 likes - added 8 years ago

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

528 views / 0 likes - added 4 years ago

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

763 views / 1 likes - added 8 years ago

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

1,052 views / 0 likes - added 4 years ago

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

948 views / 0 likes - added 8 years ago

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

920 views / 1 likes - added 9 years ago

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

1,283 views / 2 likes - added 9 years ago

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

760 views / 1 likes - added 8 years ago

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

384 views / 0 likes - added 4 years ago

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

892 views / 1 likes - added 8 years ago

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

320 views / 0 likes - added 4 years ago

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

1,316 views / 10 likes - added 9 years ago

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

1,367 views / 0 likes - added 9 years ago

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

589 views / 0 likes - added 6 years ago

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

714 views / 0 likes - added 9 years ago

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

923 views / 2 likes - added 8 years ago

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

992 views / 1 likes - added 8 years ago

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

1,922 views / 8 likes - added 8 years ago

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
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Software Engineering: Crash Course Computer Science #16

1,026 views / 0 likes - added 6 years ago

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

1,515 views / 1 likes - added 9 years ago

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

524 views / 0 likes - added 6 years ago

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

983 views / 1 likes - added 7 years ago

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

1,477 views / 0 likes - added 7 years ago

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,
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Earth Science: Crash Course History of Science #20

490 views / 0 likes - added 4 years ago

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

898 views / 1 likes - added 9 years ago

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

306 views / 0 likes - added 4 years ago

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

908 views / 2 likes - added 9 years ago

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

760 views / 0 likes - added 9 years ago

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

418 views / 0 likes - added 4 years ago

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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