Inside a nondescript building at Los Alamos National Laboratory known as TA-66, nuclear weapons inspectors are carefully trained in the detection of plutonium. Courtesy of Los Alamos National Laboratory hide caption

toggle caption Courtesy of Los Alamos National Laboratory
How Do You Find Plutonium? Go To Nuclear Inspector School
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Japan's draft of a new energy proposal calls for opening nuclear power plants that were shut down after the nuclear disaster in 2011. Greg Webb/IAEA/AP hide caption

toggle caption Greg Webb/IAEA/AP
Idle No More: Japan Plans To Restart Closed Nuclear Reactors
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