Researchers have identified at least one asteroid from another sun that's been hanging out in our solar system for billions of years. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/alien-asteroids-been-lurking-in-solar-system-since-beginning.htm

American Versus British English: What Are Biscuits, Muffins, and Pudding?
09:51

How Do Sunspots Work?
14:22

Did the Lost Continent of Lemuria Really Exist?
11:05