Condoms were originally made of animal intestines or linen.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