Science and technology

Associated Press
Nick Lam, data controller, monitors the Mars rover Curiosity from the Deep Space Network's control room at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Thursday, August 2, 2012. After traveling 8 1/2 months and 352 million miles, Curiosity will attempt a landing on Mars the night of Aug. 5, 2012. (AP Photo/Damian Dovarganes)

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