Condoms were originally made of animal intestines or linen.
347
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Mosquitoes don't just bite you, they also pee on you.
11
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9