Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The drummer for the rock group Def Leppard only has one arm.
156
There is a tiger named Kenny who is the only known tiger to have downs syndrome.
10
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
