4.5 pounds of sunlight strike the Earth each day.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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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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Sound travels about 4 times faster in water than in air.
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One ragweed plant can release as many as one billion grains of pollen!
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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