Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
It 'snows' metal on Venus.
13
One in three dog owners say they have talked to their pets on the phone.
427
There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
34
Donkeys kill more people annually than plane crashes.
927