Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9
Cockroaches can live for 9 days after their head has been cut off.
140
Sniffologists have the job of sniffing armpits.
4
Some Chinese-made hair bands were fashioned from recycled condoms.
131
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13