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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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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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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One ragweed plant can release as many as one billion grains of pollen!
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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Hot water can freeze faster than cold water.
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