In many countries, urine was used as a detergent for washing.
17
The most collected calls are made on Father's Day.
92
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Drying your hands with paper towel will reduce the bacterial count by 45 - 60% on your hands. However, using a hand dryer will increase the bacteria on your hands by up to 255% because it blows out bacteria already living in the, conveniently, warm moist environment.
26
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
Daydreamers are better at solving complex problems.
28
It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
174