Science and technology

Associated Press
Sony Corp. President Kazuo Hirai bows at the end of a press conference at the company's headquarters in Tokyo, Wednesday, Sept. 17, 2014. Sony expects its annual loss to swell to $2 billion and has canceled dividends for the first time in more than half a century after writing down the value of its troubled smartphone business. Citing intense competition, especially from Chinese rivals, Sony said it anticipates a net loss of 230 billion yen ($2.15 billion) for the fiscal year that ends March 31, 2015. (AP Photo/Toru Takahashi)

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