Idaho school can't find small bit of weapons-grade plutonium

A small amount of radioactive, weapons-grade plutonium about the size of a U.S. quarter is missing from an Idaho university that was using it for research, leading federal officials on Friday to propose an $8,500 fine. The U.S. Nuclear Regulatory Commission said Idaho State University can't account for about a 30th of an ounce (1 gram) of the material that's used in nuclear reactors and to make nuclear bombs. -- More...

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