The average temperature at 40,000 feet above sea level is -60 F.
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
One barrel of petroleum holds 42 gallons.
20
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists in Germany have developed a candy that doesn't cause cavities.
11
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5