Crash Course Kids
A Case of 'What-Ifs'
Variables: What are they? In the case of engineering, variables are a condition or value that can change. Sometimes we control a variable, sometimes we don't. In this episode of Crash Course Kids, Sabrina chats to us about how variables...
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Media Institution: Crash Course Government and Politics
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...
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Biochemical Building Blocks & Fischer and Haworth Projections: Crash Course Organic Chemistry
Although we've spent a lot of time in this series looking at human-made organic chemicals, the term "organic chemistry" was originally used to describe molecules isolated from living things. In this episode of Crash Course Organic...
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Educational Technology: Crash Course Computer Science
Today we’re going to go a little meta and talk about how computer science can support learning with educational technology. We here at Crash Course are big fans of interactive in-class learning and hands-on experiences, but we also...
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100 Years of Solitude Part 1: Crash Course Literature 306
Our first of two episodes about Gabriel Garcia Marquez's novel, 100 Years of Solitude. This week, we're looking at the Buendia family, and their many generations of people with the same names. We'll also look at the fascinating way the...
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Lost in Translation: Crash Course Film Criticism
It's time to take a look at a quieter, sweeter, and maybe happier film in this series. Sophia Coppola's "Lost in Translation" is a wonderful romantic comedy that doesn't play by the usual rules of its genre. In this episode, Michael...
Crash Course Kids
Dinosaur Pee?
Today we continue our exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed...
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Instructions & Programs: Crash Course Computer Science
Today we’re going to take our first baby steps from hardware into software! Using that CPU we built last episode we’re going to run some instructions and walk you through how a program operates on the machine level. We'll show you how...
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The History of Game Shows: Crash Course Games
Today we're going to talk about game shows! Game shows have a long history going all the way back to the 1920s on the radio and then proliferating across media to the massive pop culture icons they are today. And they're different from...
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The Future of Artificial Intelligence
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...
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How YouTube Knows What You Should Watch
Today we’re going to talk about recommender systems which form the backbone of so much of the content we see online from video recommendations on YouTube and Netflix to ads we see on Facebook, Twitter, and well, everywhere else. We’ll...
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The War on Drugs: Crash Course Black American History #42
The War on Drugs is a decades-long United States policy intended to curb illegal drug use and trafficking. Long story short: it has not worked to reduce drug use or trade, and the policy has had devastating effects, especially on...
Crash Course Kids
The Life Hydrologic
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.
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Islam and Politics: Crash Course World History 216
In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that...
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Conjugation & UV-Vis Spectroscopy: Crash Course Organic Chemistry
Carrots get their orange-y color from, you guessed it, an organic chemical. This chemical, called beta carotene, gets its pigment from its conjugated electron system. We’ve talked some already about conjugation, but in this episode of...
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Can We Predict An Outbreak's Future? - Modeling: Crash Course Outbreak Science
When outbreaks happen, we need to be able to predict the course they’ll take in the future, but of course we can’t run experiments on real people to figure that out. Thankfully we can simulate outbreaks and use models to find out how...
Crash Course Kids
The Engineering Process
So, how do we go about being engineers? In this episode of Crash Course Kids, Sabrina talks to us about the Engineering Process and why we should do things in order, as well as many of the questions we should ask along the way. This...
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Uranus & Neptune
Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird...
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Pride and Prejudice, Part 1: Crash Course Literature 411
In which a series about literature, which is wanting of an episode on Jane Austen, gets the first of two episodes. It's Pride and Prejudice, everybody! John Green talks about Pride and Prejudice as a product of Regency England, gives you...
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The Anthropocene and the Near Future: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle,...
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Media Regulation: Crash Course Government and Politics
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...
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How to Identify Molecules - Proton NMR: Crash Course Organic Chemistry
If you were given a chemical and told to identify it, how would you go about doing that? You could look at different factors like color, boiling point, melting point, or smell, but the answer still might not be clear. Thankfully, today...
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Personality Disorders: Crash Course Psychology
What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash Course Psychology, Hank gives us the down low on things like Ego-Dystonic and Ego-Syntonic Disorders, Borderline and...
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Sound Production: Crash Course Film Production
Good sound is easy to miss because, usually, you're not paying attention to it. You're just simply, "in the story." But, sound recordists and engineers need to have a lot of technical know how as well as an instinct for story to help...