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 ball of glass will bounce higher than a ball made of rubber.
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German chemists made a replica of a trophy the size of one molecule.
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In zero gravity, a candle's flame is round and blue.
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Out of all the senses, smell is most closely linked to memory.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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Sound travels fifteen times faster through steel than through air.
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Nylon is made from coal and petroleum.
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