A 'jiffy' is an actual unit of time for 1/100th of a second!
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All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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Iron weighs more after it rusts.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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A cesium atom in an atomic clock beats over nine billion times a second.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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4.5 pounds of sunlight strike the Earth each day.
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