The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
If you see an ingredients list that includes carmine, cochineal extract or natural red 4, the product contains crushed up bugs.
8
Condoms were originally made of animal intestines or linen.
347
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6