Mosquitoes don't just bite you, they also pee on you.
11
In 1386, a pig in France was executed by public hanging for the murder of a child.
469
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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
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