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Cell Membranes: How Does Stuff Get Into Your Cells?: Crash Course Biology #24
The cell membrane is a protein-studded phospholipid bilayer that not only protects our cells, but also regulates what goes in and out. In this episode of Crash Course Biology, we’ll look at the structure of the bilayer, learn about its...
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The Unexpected Truth About Water: Crash Course Biology #21
This is a love letter to water, life’s solvent, and one of the most wonderful molecules around. In this episode of Crash Course Biology, we’ll learn about how water’s polarity and hydrogen bonding help it sustain life on a larger scale....
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What is Climate Change?: Crash Course Biology #8
Life on Earth has weathered boiling-hot oceans and volcanic-ash-darkened skies—but that’s nothing like the climate change we’re experiencing now. In this episode of Crash Course Biology, we’ll talk about the greenhouse effect, learn why...
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Intro to Ecology: Why Did All These Elephants Die?: Crash Course Biology #5
Ecology is the study of the interactions of living things with each other and their environment. It’s a field that not only lets us explore the interconnections between living things, but also how our environment affects us, and how we...
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Ma'ui, Oceania's Hero: Crash Course World Mythology
In which Mike Rugnetta teaches you about Ma'ui, prominent hero of many cultures in Oceania, aka the Pacific Island nations. Ma'ui is just the kind of hero we're interested in here at Crash Course. He's a culture hero, he's a an...
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Taxes: Crash Course Economics
We've been talking about the unavoidables recently. Last time, we covered Death. This time, it's taxes. So, what are taxes? Why do we pay taxes? What is all that tax money used for? This week, Adriene is going to cover all that and more....
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Rama and the Ramayana: Crash Course World Mythology
The next entry in our parade of heroes is Rama, the protagonist of the Ramayana, one of India's oldest stories. We're going to be talking about Rama's importance to Hindu culture, and how Rama fits into Campbell's idea of the Hero's...
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Revenue Streams: Crash Course Entrepreneurship
Profit, revenue, income, assets, cash flow -- all these words mean money, but they all have specific uses. In business, money is important to us and we want to describe it as accurately as possible.
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How World War I Started: Crash Course World History 209
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...
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Let's Talk About Sex: Crash Course Psychology
Sex is complicated for different reasons in different cultures. But, it's the entire purpose of life, so there's no reason to blush. In this episode of Crash Course Psychology, Hank talks about Kinsey, Masters and Johnson, Sexuality,...
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Who Started World War I: Crash Course World History 210
In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius...
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Post-World War II Recovery: Crash Course European History
At the end of World War II, the nations of Europe were a shambles. Today we'll learn about how the various countries and blocs approached the problem of rebuilding their infrastructure and helping their residents recover. You'll learn...
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Labor Markets and Minimum Wage: Crash Course Economics
How much should you get paid for your job? Well, that depends on a lot of factors. Your skill set, the demand for the skills you have, and what other people are getting paid around you all factor in. In a lot of ways, labor markets work...
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Booker T. Washington and W.E.B DuBois
As the 19th century gave way to the 20th, Black Americans were searching for ways to think about how and where they would fit into a post-slavery society. There were several competing schools of thought. Booker T. Washington and W.E.B....
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Political Ideology: Crash Course Government and Politics #35
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...
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Witches and Hags: Crash Course World Mythology #39
This week, Mike is teaching you about the most mythic of mythological creatures: Dragons. Cultures across the world (and across Westeros) tell stories of dragons, and their power to destroy, their power to prop up kings, and their power...
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Serpents and Dragons: Crash Course World Mythology #38
This week, Mike is teaching you about the most mythic of mythological creatures: Dragons. Cultures across the world (and across Westeros) tell stories of dragons, and their power to destroy, their power to prop up kings, and their power...
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Mythical Language and Idiom: Crash Course World Mythology #41
It's the end of the world, everybody. Well, it's the end of our mythology series, anyway. This week, we're talking about how mythological themes have made their way into the English language. We're taking on the Herculean task of...
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Mythical Horses: Crash Course World Mythology #37
Horses have been human companions for thousands of years, and have been essential companions and tools for the development of human culture. So, it makes sense that horses would make their way into our most important stories. Today,...
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Freud, Jung, Luke Skywalker, and the Psychology of Myth: Crash Course World Mythology #40
In which Mike Rugnetta teaches you about Sigmund Freud and Carl Jung, and how a lot of their work was influenced by myth and mythology. While Freud and Jung aren't quite as revered as they once were, they were undoubtedly a huge...
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Crash Course World Mythology Preview
Crash Course Mythology with Mike Rugnetta is here, and we have the preview video to prove it. We'll be uploading Friday afternoons to fulfill all your hunger for foundational cultural stories and whatnot.
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The Horrors of the Grand Guignol: Crash Course Theater #35
Prepare to be horrified, and to look into the face of inhumanity with the Grand Guignol. Mike Rugnetta teaches you about one of theater history's most horrible chapters. The Grand Guignol was a French theater based in Paris from the late...
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The Harlem Renaissance: Crash Course Theater #41
In the 1920s, there was a blossoming of all kinds of art made by African Americans in the New York neighborhood Harlem. Let's call it a renaissance. While all the arts were having a great run, some extremely interesting things were...
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The Birth of Off Broadway: Crash Course Theater #47
By the middle of the 20th century, the epicenter of American theater, the Broadway theater district in New York, was getting to be a pretty staid and commercial place. There was a lot of money to be made from prestige plays and dancing...