Science and technology

Associated Press
FILE - This undated file photo provided by NASA shows astronaut Neil Armstrong. The family of Neil Armstrong, the first man to walk on the moon, says he has died Saturday, Aug. 25, 2012, at age 82. Armstrong commanded the Apollo 11 spacecraft that landed on the moon July 20, 1969. He radioed back to Earth the historic news of "one giant leap for mankind." (AP Photo/NASA, File)

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