The two were invariably associated in the pitchblende from which the Curies extracted radium. Dr. Bertram B. Boltwood, of Yale University, has made tests with various ores that lead him to think ...

An IAEA expert mission was deployed to Suva, Fiji, to support the recovery and transportation of radium-226 to the USA, where the sources will be used as a feedstock to produce actinium-225, an ...