Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Your ears secrete more earwax when you are afraid than when you aren't.
229
Most of the dust underneath your bed is actually your own dead skin.
251
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Mosquitoes don't just bite you, they also pee on you.
11
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