Your ears secrete more earwax when you are afraid than when you aren't.
229
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
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