The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Condoms were originally made of animal intestines or linen.
347
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13