Health & Fitness
This week, Alison stuns the "It's Only Science" crew with a smorgasbord of facts about the uvula—you know, that thing that hangs from the back of your throat. Prepare to be shocked, horrified and utterly fascinated. Nikola Tesla belongs in the "Jerks of Science" club, and Bill tells us why. Carl explains the incredibly effective techniques of a WWII Nazi interrogator, and the team agrees that he's actually kind of a nice guy—for a Nazi. Plus: If Earth collapsed on itself, how big of a black hole would it generate? And what the heck is a time crystal? Nate and Alison have the answers you seek.