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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…
1 week, 2 days 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…
1 week, 2 days 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…
1 week, 2 days 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…
1 week, 2 days 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…
1 week, 2 days ago
Multicellular Function: Why We Aren’t Just One Big Cell: Crash Course Biology #41
There are countless types of plants and animals on Earth, but how do they work? In this episode of Crash Course Biology, we’ll take a bird’s eye view…
1 week, 2 days ago
Crash Course Art History Preview
Welcome to Crash Course Art History! Over the next 22 episodes, Sarah Urist Green will explore the hidden stories behind artworks. We’ll make connect…
1 week, 2 days ago
America in World War I: Crash Course US History #30
In which John Green teaches you about American involvement in World War I, which at the time was called the Great War. They didn't know there was goi…
1 week, 2 days ago
Bacterial DNA and Genetics: Crash Course Biology #38
Bacteria often get a bad rap, but they’re some of our best partners in science and medicine! In this episode, we’ll explore what bacteria are doing w…
1 week, 2 days ago
Gilded Age Politics: Crash Course US History #26
In which John Green teaches you about the Gilded Age and its politics. What, you may ask, is the Gilded Age? The term comes from a book by Mark Twai…
1 week, 2 days ago