Iron weighs more after it rusts.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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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 at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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The bark of an older redwood tree is fireproof.
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One cubic foot of gold weighs more than 1,200 pounds!
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