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
Within three days of death, the enzymes that once digested your food begin to eat you.
22
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Sniffologists have the job of sniffing armpits.
4