If we collected the whole evolutionary history of animals in a book ... I’m Rae Wynn-Grant, and this is Crash Course Zoology. INTRO Eyes can be intricate structures or simple collections ...

In this episode of Crash Course Botany, we’ll find out what botanists ... This alliance with plants was a history-bending, society-shaping big deal. It changed how people related to food ...

After all, it’s true! But if you want details, well then, you’ll just have to watch Episode 44 of Crash Course Astronomy: A Brief History of the Universe. These topics—the Big Bang ...

John Green is teaching history again. This time, we're looking at the history of Europe in 50 episodes. We'll start at the tail end of the so called Middle Ages, and look at how Europe's place in ...

Crash Course Biology's episodes premiered on May 30, but the "Crash Course" show has been around since 2012. It joins a cast of other topics, from history to public health. The series was created ...

Deciding how to cover the many ways that humans practice religion in only 24 episodes was a big challenge. With Crash Course, we always strive to create content that is useful to students and ...

It is my pleasure to introduce you to the very first episode of my new online video series, Crash Course Astronomy. I’m not gonna lie to you: I’m pretty happy about this. It was a lot of fun ...