Nuclear tests marked life on Earth with a radioactive spike. Theatlantic.com 10 interesting facts about the Chernobyl nuclear disaster foxnews.com U.N. nuclear watchdog plans alert on Iranian stonewalling - diplomats reuters.com Hot testing at the world's first Hualong One reactor has been completed, China National Nuclear Corporation (CNNC) announced yesterday. The tests at Fuqing unit 5 laid a "solid foundation" for the unit's operation, the company said. World-nuclear-news.org