Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Cockroaches can live for 9 days after their head has been cut off.
140
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
21
Condoms were originally made of animal intestines or linen.
347
Sniffologists have the job of sniffing armpits.
4