Most of the dust underneath your bed is actually your own dead skin.
251
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Your ears secrete more earwax when you are afraid than when you aren't.
229
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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
An average person’s yearly fast food intake will contain 12 pubic hairs.
-57
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13