Iron weighs more after it rusts.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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Pure water (H2O) does not conduct electricity on its own.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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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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