Out of all the senses, smell is most closely linked to memory.
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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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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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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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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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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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