Crash Course
Recession, Hyperinflation, and Stagflation: Crash Course Econ
If you're ever put in charge of a national economy, there are a few things you should try to avoid. Before you laugh, just remember, you COULD be in charge of an economy someday. Someone has to do it, and anyway, if it could happen to...
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Simple Harmonic Motion: Crash Course Physics
Bridges... bridges, bridges, bridges. We talk a lot about bridges in Physics. Why? Because there is A LOT of practical physics that can be learned from the planning and construction of them. In this episode of Crash Course Physics, Shini...
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The Evolutionary Epic: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
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Stereochemistry - Crash Course Organic Chemistry
The shape of molecules is super important to life as we know it. In this episode of Crash Course Organic Chemistry we’re learning about stereochemistry and how to identify molecules as chiral or achiral. And as always, we’ll be doing a...
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Binary and Multiple Stars
Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. If they are close enough together...
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Before I Got My Eye Put Out - The Poetry of Emily Dickinson: Crash Course English Lit
In which John Green concludes the Crash Course Literature mini-series with an examination of the poetry of Emily Dickinson. Sure, John explores the creepy biographical details of Dickinson's life, but he also gets into why her poems have...
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Separation of Powers and Checks and Balances: Crash Course Government and Politics
In which Craig Benzine teaches you about the US Governments Separation of powers and the system of checks and balances. In theory, the Legislative Branch, the Executive Branch, and the Judicial Brach are designed to keep each other in...
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Introduction: Crash Course U.S. Government and Politics
In which Craig Benzine introduces a brand new Crash Course about U.S. Government and Politics! This course will provide you with an overview of how the government of the United States is supposed to function, and we'll get into how it...
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The Spanish Golden Age: Crash Course Theater #19
This week on Crash Course Theater, Mike and Yorick take us to beautiful Spain, and look at its Golden Age. Spain was having kind of a moment in the 16th and 17th centuries. They had this big empire, the culture was really flowering, and...
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Zora Neale Hurston: Crash Course Black American History
The Harlem Renaissance produced many remarkable artists, writers, and thinkers. Today we'll talk about one of the most interesting minds of the time, Zora Neale Hurston. Hurston was an anthropologist by training, and spent much of her...
Crash Course
Synthesis, Distillation, & Recrystallization: Crash Course Organic Chemistry
We’re going back to the lab! So far we’ve learned some important lab techniques that organic chemists might use day to day, like chromatography and proton NMR, but there are even more to learn. In this episode of Crash Course Organic...
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ANOVA Part 2 Dealing with Intersectional Groups - Crash Course Statistics
Do you think a red minivan would be more expensive than a beige one? Now what if the car was something sportier like a corvette? Last week we introduced the ANOVA model which allows us to compare measurements of more than two groups, and...
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Evaluating Evidence: Crash Course Navigating Digital Information #6
Today we’re going to focus on how to tell good evidence from bad evidence and maybe importantly, how to identify “Fine, but that doesn’t actually prove your point” evidence - the stuff that the Internet is built on.
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How to Develop a Business Idea: Crash Course Business - Entrepreneurship
So, where do ideas come from? And what do you do with them once you have them? In this episode of Crash Course Entrepreneurship, Anna helps to answer these questions (and more) as we figure out what we need to do to launch our business.
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What Is Myth? Crash Course World Mythology
Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the...
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Joints: Crash Course A&P
We continue our look at your bones and skeletal system, skipping over the silly kid's song in favor of a more detailed look at your your axial and appendicular skeleton. This episode also talks about the structural and functional...
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Engineering Ethics: Crash Course Engineering #27
We’ve talked about many important concepts for engineers, but today we’re going to discuss a hugely important one that you might not even realize is an engineering concept: ethics. We’ll talk about what a Code of Ethics is. We’ll explore...
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Fall of The Roman Empire...in the 15th Century Crash Course World History
In which John Green teaches you about the fall of the Roman Empire, which happened considerably later than you may have been told. While the Western Roman Empire fell to barbarians in 476 CE, the Byzantines in Constantinople continued...
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Integrated Circuits & Moore’s Law: Crash Course Computer Science
So you may have heard of Moore's Law and while it isn't truly a law it has pretty closely estimated a trend we've seen in the advancement of computing technologies. Moore's Law states that we'll see approximately a 2x increase in...
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Intro to Reaction Mechanisms - Crash Course Organic Chemistry
When we venture to new places, we need navigational tools to guide us. In organic chemistry, those are reaction mechanisms! In this episode of Crash Course Organic Chemistry, we’ll learn all about how to write reaction mechanisms. Having...
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Party Systems: Crash Course Government and Politics
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...
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World War II: Crash Course World History
In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And what does it mean? We've all learned the facts about World War II many times over, thanks to repeated...
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China, Zaju, and Beijing Opera: Crash Course Theater #25
This week we're headed to China to learn about the ancient origins of theater there. We'll look at the early days of wizard theater (not a typo), the development of classical Chinese theater, and the evolution of Beijing Opera.
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Maxwell's Equations: Crash Course Physics
In the early 1800s, Michael Faraday showed us how a changing magnetic field induces an electromotive force, or emf, resulting in an electric current. He also found that electric fields sometimes act like magnetic fields, and developed...