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
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Within three days of death, the enzymes that once digested your food begin to eat you.
22