Science and technology

Associated Press
Carrying scientists and researchers, the zeppelin, Eureka lifts off from McClellan Air Park in Sacramento, Calif., to search for pieces of a meteorite, Thursday, May 3, 2012.  The researchers are using an aerial search hoping to locate sites where large fragments landed after a meteor exploded in the atmosphere over the Sierra Nevada in late April. (AP Photo/Rich Pedroncelli)

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