Airports that are at higher altitudes require a longer airstrip due to lower air density.
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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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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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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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Billions of neutrinos pass unnoticed through your body every second.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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A ball of glass will bounce higher than a ball made of rubber.
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