Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
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
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1