A team of experts assembled by the National Oceanic and Atmospheric Agency is looking into radiation from Japan’s nuclear disaster as one of several possible causes of the ongoing sea lion stranding along Southern California beaches. enenews.com

World powers and Iran failed again to end the deadlock in a decade-old dispute over Tehran’s nuclear program in talks that ended in Kazakhstan on Saturday, prolonging a standoff that could yet spiral into a new Middle East war. uk.reuters.com

A senior Israeli minister called on world powers on Sunday to set a deadline for military action of weeks to persuade Iran to halt its nuclear enrichment program after talks ended without progress at the weekend. uk.reuters.com

Martyl Langsdorf, designer of nuclear Doomsday Clock, dies at 96. washingtonpost.com