The Earth's atmosphere weighs about 5.5 quadrillion tons.
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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!
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One ragweed plant can release as many as one billion grains of pollen!
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Hot water can freeze faster than cold water.
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Sound travels about 4 times faster in water than in air.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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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.
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