Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Iron weighs more after it rusts.
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The average home creates more pollution than does the average car.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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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 have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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The average temperature at 40,000 feet above sea level is -60 F.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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