The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Most of the dust underneath your bed is actually your own dead skin.
251
Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
"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