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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The force of a suction cup is calculated using F=AP.
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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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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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A ball of glass will bounce higher than a ball made of rubber.
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One ragweed plant can release as many as one billion grains of pollen!
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Nylon is made from coal and petroleum.
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One third of the electricity produced on earth is used to power electric light bulbs!
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