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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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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The smell of freshly cut grass is actually a plant distress call.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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Liquid TIDE laundry detergent glows under a blacklight.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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