Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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The electric chair was invented by a dentist!
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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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Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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Energy is being wasted if a toaster is left plugged in after use.
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