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
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
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
Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9