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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Pumice is the only rock that floats on water.
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Balsa wood is classified as a hard wood!
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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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 most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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