Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Your ears secrete more earwax when you are afraid than when you aren't.
229
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Sniffologists have the job of sniffing armpits.
4
Most of the dust underneath your bed is actually your own dead skin.
251