"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Most of the dust underneath your bed is actually your own dead skin.
251
Your ears secrete more earwax when you are afraid than when you aren't.
229
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10