Building muscle isn't just about getting ripped -- it's a way all of us can be healthier. Learn about the facts and fictions behind building muscle (aka mucle hypertrophy) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/diet-fitness/exercise/hypertrophy.htm

What Was the World's Largest Nuclear Weapon?
10:52

How Do Red-Tailed Hawks Work?
09:24

How Does Ketchup Work?
11:37