Most of the dust underneath your bed is actually your own dead skin.
251
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Your ears secrete more earwax when you are afraid than when you aren't.
229
Mosquitoes don't just bite you, they also pee on you.
11
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Condoms were originally made of animal intestines or linen.
347