Science and technology

Associated Press
FILE - In this Nov. 6, 2014, file photo, LinkedIn CEO Jeff Weiner speaks during the company's second annual "Bring In Your Parents Day," at LinkedIn headquarters in Mountain View, Calif. LinkedIn reports quarterly financial results on Thursday, July 30, 2015. (AP Photo/Marcio Jose Sanchez, File)

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Astronomy, meteorology, environment, archaeology, electronics, computers and gadgets

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