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By Eric Hand of Nature magazine It took years of fierce debate to winnow the dozens of potential landing sites for NASA's Mars Curiosity rover down to just one. [More]

By Kaori Kaneko and Osamu Tsukimori TOKYO (Reuters) - Two Japanese utilities moved on Friday to extend the life of reactors at a pair of central coastal nuclear plants, fuelling already fierce debate over energy policy in the wake of the Fukushima radiation crisis. [More]