Sniffologists have the job of sniffing armpits.
4
Most of the dust underneath your bed is actually your own dead skin.
251
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
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