Jumbo jets use 4,000 gallons of fuel to take off.
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Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
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Kleenex tissues were originally used as filters in gas masks.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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