Condoms were originally made of animal intestines or linen.
347
"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
Cockroaches can live for 9 days after their head has been cut off.
140
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
Most of the dust underneath your bed is actually your own dead skin.
251
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Mosquitoes don't just bite you, they also pee on you.
11