The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Balsa wood is classified as a hard wood!
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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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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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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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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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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
A cubic yard of air weighs about 2 pounds at sea level.
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