Pumice is the only rock that floats on water.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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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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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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According to studies, men change their minds two to three times more often than women.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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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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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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