Condoms were originally made of animal intestines or linen.
347
An average person’s yearly fast food intake will contain 12 pubic hairs.
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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
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15