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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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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The smell of freshly cut grass is actually a plant distress call.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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Pumice is the only rock that floats on water.
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Nylon is made from coal and petroleum.
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