Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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One third of the electricity produced on earth is used to power electric light bulbs!
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Nylon is made from coal and petroleum.
42
Hot water can freeze faster than cold water.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
A cubic yard of air weighs about 2 pounds at sea level.
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