In zero gravity, a candle's flame is round and blue.
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German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One barrel of petroleum holds 42 gallons.
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The sun is 330,330 times larger than the earth.
75
Pumice is the only rock that floats on water.
14
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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