Mosquitoes don't just bite you, they also pee on you.
11
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
Condoms were originally made of animal intestines or linen.
347
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13