Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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One third of the electricity produced on earth is used to power electric light bulbs!
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Scientists in Germany have developed a candy that doesn't cause cavities.
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The force of a suction cup is calculated using F=AP.
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