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
Sniffologists have the job of sniffing armpits.
4
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
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Mosquitoes don't just bite you, they also pee on you.
11
Most of the dust underneath your bed is actually your own dead skin.
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