Motorists navigate the morning rush hour in Chicago. Ford and other major automakers hope to install technology in cars that enables vehicles to communicate with one another to avoid crashes. Scott Olson/Getty Images hide caption

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Scott Olson/Getty Images

New Car Technology Tells Tailgaters To Back Off

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The open pit mine at Molycorp Minerals' rare earths mining and processing facility in Mountain Pass, Calif. The mine is expected to produce 40,000 tons of rare earth minerals each year after a $500 million expansion project. Courtesy of Molycorp Minerals hide caption

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Courtesy of Molycorp Minerals

California Challenges China In Rare Earths Mining

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In Haiti, Cellphones Serve As Debit Cards

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The Role Of New And Old Media In Egypt

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Digital Music Sampling: Creativity Or Criminality?

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Blood Spotting Made Easier

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Twitter, Facebook As Political Tools In Arab World

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Privacy At Stake As Sites Track Online Preferences

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Loss Of Solar Jobs Has Mass. Rethinking State Aid

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iPad Storybook Apps And The Kids Who Love Them

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In this screen capture, President Obama is seen live on the White House YouTube channel answering video and text questions on Feb. 1, 2010, after last year's State of the Union. AP hide caption

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AP

Obama No Longer Leads The Pack On Social Media

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Chicago Bears quarterback Jay Cutler stands on the sideline in the third quarter after leaving the game with an injury against the Green Bay Packers on Sunday. His decision to sit out of the remainder of the game, which Chicago lost, made Cutler the target of critical Tweets from his peers in the National Football League. Jonathan Daniel/Getty Images hide caption

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Jonathan Daniel/Getty Images

In Age Of Tweets, NFL Learns 140 Characters Hurt

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