THE FASTEST TRAINS

A magnetic levitation passenger train set a world speed record of 375 m.p.h. (603 km/h) on a test track in Japan on April 21. Here are top operating speeds, in miles per hour, of some of the world’s other fastest trains: Shanghai Maglev Train, China: 268 TGV, France: 199 AVE, Spain: 193 Sapsan, Russia: 155 Acela Express, U.S.: 150

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Voyager 1 Escaping Our Solar System

On the 35th anniversary of its launch, the Voyager 1 spacecraft is close to becoming the first man-made object to escape our solar system. The spacecraft—run by a 1977 computer 100,000 times less powerful than an iPod Nano—is currently 11.3 billion miles away. In 2004, Voyager 1 entered the turbulent boundary zone beyond Pluto, where solar winds encounter plasma pushing […]

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CITY TRAFFIC

THE PROBLEM Congestion caused by commuters carries an annual price tag of $121 billion in wasted time and fuel costs. The average American who drives to work wastes 38 hours in traffic each year. THE INNOVATION City planning authorities increasingly prioritize pedestrians and cyclists over cars. A commitment to public transportation also signals the end of the age when cars […]

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The Danger of Annual Checkups

Visiting your doctor for an annual physical examination might actually have a negative impact on your health, WebMD.com reports. Danish researchers analyzed studies involving 183,000 patients and found that those who received regular checkups were no less likely to die of cancer or heart disease than those who only saw the doctor when they had symptoms. People who skipped their […]

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