Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
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Iron weighs more after it rusts.
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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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German chemists made a replica of a trophy the size of one molecule.
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