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
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13