Cockroaches can live for 9 days after their head has been cut off.
140
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
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Condoms were originally made of animal intestines or linen.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
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151