Most of the dust underneath your bed is actually your own dead skin.
251
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
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
If you see an ingredients list that includes carmine, cochineal extract or natural red 4, the product contains crushed up bugs.
8
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6