Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9
Mosquitoes don't just bite you, they also pee on you.
11
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Your ears secrete more earwax when you are afraid than when you aren't.
229
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6