Crash Course
Invisible Man: Crash Course Literature 308
This week, we're on to reading Ralph Ellison's great novel about the black experience in America after World War II, Invisible Man. John will teach you about Ellison's nameless narrator, and his attempts to find his way in a social order...
Crash Course
Computer Engineering & the End of Moore's Law: Crash Course Engineering #35
This week we’re exploring a field of engineering that is essential to how you’re watching this video: computers and computer engineering. We’ll explain differences between hardware and software, how engineers are working on making...
Crash Course
The Adventures of Huckleberry Finn Part 1: Crash Course Literature
In which John Green teaches you about Mark Twain's The Adventures of Huckleberry Finn. This week, we'll talk a little bit about Samuel Langhorne Clemens, who wrote under the name Mark Twain, and how he mined his early life for decades to...
Crash Course
The Economics of Happiness: Crash Course Econ
They say money can't buy happiness, but who are they? Can money buy happiness? The answer is: sort of. While money may not be able to buy true happiness, lack of money can cause very real misery. Today, we look at the economics of...
Crash Course
Immune System, part 3: Crash Course A&P
THE FINAL SHOWDOWN! This is the last episode on the immune system and also the very last episode of Crash Course Anatomy & Physiology. In it, Hank explains how the cellular immune response uses helper, cytotoxic, and regulatory T cells...
Crash Course
Media & the Mind: Crash Course Media Literacy
First thing’s first: what is media literacy? In our first episode, Jay breaks this question down and explains how we’re going to use it to explore our media saturated world.
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Social Groups: Crash Course Sociology
How do the groups that you're part of affect you? How do you, in turn, affect those groups? Today we are talking about how people in society come together with a look at social groups. We’ll look at what social groups are, the different...
Crash Course
Toni Morrison: Crash Course Black American History #48
Today, Clint Smith will teach you about the legendary writer Toni Morrison. Morrison is best known for her novels which chronicle the experiences of Black Americans throughout history. She was the first Black American Woman to win a...
Crash Course
The Cold War in Asia Crash Course US History
In which John Green teaches you about the Cold War as it unfolded in Asia. As John pointed out last week, the Cold War was occasionally hot, and a lot of that heat was generated in Asia. This is starting to sound weird with the hot/cold...
Crash Course
Urinary System, part 1: Crash Course A&P
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...
Crash Course
Deep Time
As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion...
Crash Course
Mean, Median, and Mode Measures of Central Tendency - Crash Course Statistics
Today we’re going to talk about measures of central tendency - those are the numbers that tend to hang out in the middle of our data: the mean, the median, and mode. All of these numbers can be called “averages” and they’re the numbers...
Crash Course
Sula: Crash Course Literature
This week, John is talking about Toni Morrison's novel of friendship, betrayal, and loss, Sula. Sula tells the story of two African American girls, the town where they grew up, the tragic even that was central to their youth, and the...
Crash Course
Meteors
Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower....
Crash Course
Quantum Mechanics - Part 2: Crash Course Physics
e=mc2... it's a big deal, right? But why? And what about this grumpy cat in a box and probability? In this episode of Crash Course Physics, Shini attempts to explain a little more on the topic of Quantum Mechanics.
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Freedom of Religion: Crash Course Government and Politics
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...
Crash Course
Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry
Have you ever been to a Demolition Derby? Then you have an idea of how molecular collisions happen. In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions,...
Crash Course
Migrations and Intensification Crash Course Big History 7
In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of...
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Thermodynamics: Crash Course History of Science
It's time to heat things up! LITERALLY! It's time for Hank to talk about the history of Thermodynamics!!! It's messy and there are a lot of people who came up with some ideas that worked and other that didn't and then some ideas that...
Crash Course
Market Failures, Taxes, and Subsidies: Crash Course Economics
This week on Crash Course Econ, Jacob and Adriene are talking about failure. Specifically, we're talking about market failures. When markets don't provide a good or service efficiently, that's a market failure. When markets fail, often...
Crash Course
Digestive System, Part 1: Crash Course A&P
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...
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Archdukes, Cynicism, and World War I Crash Course World History
In which John Green teaches you about the war that was supposed to end all wars. Instead, it solved nothing and set the stage for the world to be back at war just a couple of decades later. As an added bonus, World War I changed the way...
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Neural Networks and Deep Learning
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 more complicated tasks like image recognition, and the key to their...
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The History of Electrical Engineering: Crash Course Engineering #4
Next stop on our tour of engineering’s major fields: electrical engineering. In this episode we’ll explore the history of telecommunications, electric power and lighting, and computers. We’ll introduce topics like magnetism, electrical...