The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Cockroaches can live for 9 days after their head has been cut off.
140
Your ears secrete more earwax when you are afraid than when you aren't.
229
Condoms were originally made of animal intestines or linen.
347
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13