Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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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The bark of an older redwood tree is fireproof.
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The only letter not appearing on the Periodic Table is the letter "J".
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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No matter how cold it gets, gasoline will not freeze.
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