Your ears secrete more earwax when you are afraid than when you aren't.
229
Sniffologists have the job of sniffing armpits.
4
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Cockroaches can live for 9 days after their head has been cut off.
140
Most of the dust underneath your bed is actually your own dead skin.
251
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6