One cubic foot of gold weighs more than 1,200 pounds!
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
For every gallon of sea water, you get more than a quarter pound of salt.
45
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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