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The Reproductive System: How Gonads Go - CrashCourse Biology #34
Hank lets us in on the meaning of life, at least from a biological perspective - it's reproduction, which answers the essential question of all organ…
2 weeks, 3 days ago
What Makes Someone Native American?: Ep 4 of Crash Course Native American History
What makes a Native American? Is it the way a person looks, their family history, or something else? In this episode of Crash Course Native American …
2 weeks, 3 days ago
Samurai, Daimyo, Matthew Perry, and Nationalism: Crash Course World History #34
In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-sta…
2 weeks, 3 days ago
Let's talk about porn literacy: Sex Ed #12
Like it or not, porn exists. In this episode of Crash Course Sex Ed, we unpack the pros and cons of pornography, its long and storied history, and ho…
2 weeks, 3 days ago
Great Glands - Your Endocrine System: CrashCourse Biology #33
Hank fills us in on the endocrine system - the system of glands that produce and secrete different types of hormones directly into the bloodstream to…
2 weeks, 3 days ago
Why Land Matters to Native Americans: Ep 5 of Crash Course Native American History
What do we mean when we say that Native Americans have a strong connection to the land? In this episode of Crash Course Native American History, we’l…
2 weeks, 3 days ago
World History Outtakes!
John Green makes it rain, and hijinks ensue on the Crash Course World History set.
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2 weeks, 3 days ago
Capitalism and Socialism: Crash Course World History #33
In which John Green teaches you about capitalism and socialism in a way that is sure to please commenters from both sides of the debate. Learn how ca…
2 weeks, 3 days ago
What to know about orgasms: Sex Ed #13
Why and how do we orgasm? In this episode of Crash Course Sex Ed, we’ll break down “the Big O”—its physical aspects, gendered expectations, and misco…
2 weeks, 3 days ago
Your Immune System: Natural Born Killer - Crash Course Biology #32
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also kn…
2 weeks, 4 days ago