Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One third of the electricity produced on earth is used to power electric light bulbs!
75
Sound at the right vibration can bore holes through a solid object.
134
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The average temperature at 40,000 feet above sea level is -60 F.
56
Pumice is the only rock that floats on water.
14