Science and technology

Associated Press
In this photo taken Wednesday July 26, 1995, leading South African palaeo-anthropologist, Phillip Tobias, displays his latest archeological discovery in his lab in Johannesburg. Tobias died Thursday June 7, 2012 aged 86, after a three-month illness. (AP Photo/Adil Bradlow-file)

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

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