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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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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The bark of an older redwood tree is fireproof.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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A cubic yard of air weighs about 2 pounds at sea level.
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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 most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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If you blowtorch Pepto-Bismol, you would get a hunk of metal.
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