Science and technology

Associated Press
Sony Corp. Chief Financial Officer Masaru Kato bites his lips during a news conference at the company's head office in Tokyo, Thursday, May 10, 2012. Sony Corp. racked up a record annual loss of 457 billion yen ($5.7 billion) in its fourth straight year of red ink as the once-glorious maker of the Walkman and PlayStation struggles toward a turnaround under a new president. (AP Photo/Shizuo Kambayashi)

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