Sniffologists have the job of sniffing armpits.
4
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
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
Condoms were originally made of animal intestines or linen.
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