Scientists are now able to grow 'beating' heart tissue in a lab!
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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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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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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A ball of glass will bounce higher than a ball made of rubber.
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