Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
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Car airbags kill 1 person for every 22 lives that they save.
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A toaster uses almost half as much energy as a full-sized oven.
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First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
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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 ball on top of a flagpole is called a 'truck'.
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Surgeons who grew up playing video games make 37 percent fewer mistakes.
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