Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The sun is 330,330 times larger than the earth.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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Sound travels about 4 times faster in water than in air.
408
Most dust particles in your house are made from dead skin!
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