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The Roaring 20's: Crash Course US History #32
In which John Green teaches you about the United States in the 1920s. They were known as the roaring 20s, but not because there were lions running ar…
4 days, 18 hours ago
The First Fraction of a Second | Crash Course Pods: The Universe #1
Head to https://policygenius.com/crashcourse to get your free life insurance quotes and see how much you could save.
Dr. Katie Mack teaches John Green…
4 days, 18 hours ago
The Deadliest Infectious Disease of All Time | Crash Course Lecture
Tuberculosis is often thought of as an old-timey disease, but in reality, it continues to kill over a million and a half people per year, despite its…
4 days, 18 hours ago
Conjugation and UV-Vis Spectroscopy: Crash Course Organic Chemistry #41
Carrots get their orange-y color from, you guessed it, an organic chemical. This chemical, called beta carotene, gets its pigment from its conjugated…
4 days, 18 hours ago
Crash Course Chemistry: Outtakes #2
In which Hank has trouble doing and saying things.
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/cr…
4 days, 18 hours ago
How Genes Express Themselves: Crash Course Biology #36
If nearly all your cells have the same DNA, why are muscle cells so different from skin cells? In this episode, we’ll learn how gene expression is re…
4 days, 19 hours ago
Equilibrium: Crash Course Chemistry #28
In this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all abou…
4 days, 19 hours ago
Women's Suffrage: Crash Course US History #31
In which John Green teaches you about American women in the Progressive Era and, well, the progress they made. So the big deal is, of course, the rig…
4 days, 19 hours ago
Genetic Mutations: Is Drinking Milk a Super Power?: Crash Course Biology #37
Science fiction is full of superpowered mutants, but in reality, mutations are much more diverse and complex. Sometimes, they can change someone’s en…
4 days, 19 hours ago
Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry #32
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 betw…
4 days, 20 hours ago