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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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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A ball of glass will bounce higher than a ball made of rubber.
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Iron weighs more after it rusts.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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Cold water weighs more than hot water.
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