A 'jiffy' is an actual unit of time for 1/100th of a second!
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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For every gallon of sea water, you get more than a quarter pound of salt.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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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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A cesium atom in an atomic clock beats over nine billion times a second.
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