Most of the dust underneath your bed is actually your own dead skin.
251
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Cockroaches can live for 9 days after their head has been cut off.
140
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15