Condoms were originally made of animal intestines or linen.
347
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Sniffologists have the job of sniffing armpits.
4