Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
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
Most of the dust underneath your bed is actually your own dead skin.
251
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1