Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Chainsaws were derived from a tool originally intended to help deliver babies
45
There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
34
The Danish word for condom is 'svangerskabsforebyggendemiddel'.
89
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Thinking in a foreign language makes decisions more rational.
6