Science and technology

Associated Press
FILE - In this July 27, 2011, file photo, a Sprint logo is displayed on a store in Homestead, Pa. Sprint is expected to report its earnings Wednesday, April 25, 2012. The impending shutdown of the Nextel network doubled Sprint Nextel Corp.'s loss in the first quarter, as it wrote down the value of the network and subscribers kept leaving it. (AP Photo/Gene J. Puskar, File)

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