Most hydrogen peroxide sold to consumers comes in opaque brown bottles. Learn why in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/why-does-hydrogen-peroxide-come-in-brown-bottle.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