Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
In 1386, a pig in France was executed by public hanging for the murder of a child.
469
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
Sniffologists have the job of sniffing armpits.
4
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6