Condoms were originally made of animal intestines or linen.
347
Mosquitoes don't just bite you, they also pee on you.
11
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Most of the dust underneath your bed is actually your own dead skin.
251
Sniffologists have the job of sniffing armpits.
4