The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists aren't sure what color dinosaurs were.
312
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The force of a suction cup is calculated using F=AP.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Hot water can freeze faster than cold water.
181