A 'jiffy' is an actual unit of time for 1/100th of a second!
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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Balsa wood is classified as a hard wood!
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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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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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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