Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Balsa wood is classified as a hard wood!
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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