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
Condoms were originally made of animal intestines or linen.
347
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Your ears secrete more earwax when you are afraid than when you aren't.
229