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

Boise, Idaho • An Idaho university says it can’t find a small amount of radioactive, weapons-grade plutonium about the size of a U.S. quarter, and federal officials are proposing an $8,500 fine.The U.S. Nuclear Regulatory Commission said in a statement Friday that Idaho State University can’t account for a third of an ounce (1 gram) of the material that’s used in nuclear reactors and to make nuclear bombs.Officials say the amount is too small to make a nuclear bomb but cou