Obsessive nose picking is called Rhinotillexomania.
101
Sloths take two weeks to digest their food.
243
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
The Basenji dog is the only dog that is not able to bark.
4
The widow of the inventor of the Winchester rifle built a house with mazes and dead-end staircases to confuse the ghosts of the people who were killed by her husband's rifles.
34
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301