A 'jiffy' is an actual unit of time for 1/100th of a second!
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Hot water can freeze faster than cold water.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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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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