Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Sniffologists have the job of sniffing armpits.
4
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
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