In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Sniffologists have the job of sniffing armpits.
4
"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
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6