Most of the dust underneath your bed is actually your own dead skin.
251
Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
21
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
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