Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Iron weighs more after it rusts.
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The bark of an older redwood tree is fireproof.
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The sun is 330,330 times larger than the earth.
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Research indicates that plants grow healthier when they are stroked.
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The force of a suction cup is calculated using F=AP.
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According to studies, men change their minds two to three times more often than women.
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