Science and technology

Associated Press
In this April 25, 2012 photo, Tammy Ballard works on a Chevrolet Sonic at the General Motors Orion Assembly plant in Orion Township, Mich. Nearly four years after GM filed for bankruptcy protection, the automaker is building the Sonic, the best-selling subcompact car in the nation. It's a vehicle no one thought could be made profitably in the U.S., by a company that few people thought would last. (AP Photo/Duane Burleson)

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