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 Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
6
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
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9