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
Your ears secrete more earwax when you are afraid than when you aren't.
229
Within three days of death, the enzymes that once digested your food begin to eat you.
22
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
Some Chinese-made hair bands were fashioned from recycled condoms.
131
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13