The average temperature at 40,000 feet above sea level is -60 F.
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Sound travels about 4 times faster in water than in air.
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A cesium atom in an atomic clock beats over nine billion times a second.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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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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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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