"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
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
In 1386, a pig in France was executed by public hanging for the murder of a child.
469
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Condoms were originally made of animal intestines or linen.
347
Your ears secrete more earwax when you are afraid than when you aren't.
229