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
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Sniffologists have the job of sniffing armpits.
4