Condoms were originally made of animal intestines or linen.
347
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Your ears secrete more earwax when you are afraid than when you aren't.
229
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
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10