Today, a small radiation symbol, visible on some of the devices, offers the only hint of their highly lethal contents. "That's 2,100 curies, just there," said Lerry Meskhi, head of Georgia's ...

But language, like radioactive materials, has a half life. Beowulf, from only 1,000 years ago, is incomprehensible today. The panel also considered symbols ... is a small, predominantly black ...

An electronic gauge that contains small amounts of two radioactive ... "The thief gets down the street, [sees] the radioactive symbol on the device, and -- out the window, into the ditch." ...

The black, magenta or yellow trefoil symbol or the words “radiation” or “radioactive” are typically used around the world to label devices or containers holding radioactive sources. Radioactive ...

Norwegian authorities say there has been a small leak of radioactive iodine at a nuclear reactor in Halden, in southern Norway. Officials said Tuesday that the leak posed no risk to workers at the ...