Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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A toaster uses almost half as much energy as a full-sized oven.
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All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
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The ball on top of a flagpole is called a 'truck'.
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Sony researchers have developed a refrigerator that only opens when you smile.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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