Japan may obtain nuclear weapons “virtually overnight” if the North Korean threat persists, US Vice-President Joe Biden warned China’s Xi Jinping. He urged to exert influence on Pyongyang, reassuring that US military buildup in Asia is not targeting China. rt.com New research shows that most of the radioactive fallout which landed on downtown Tokyo a few days after the Fukushima accident was concentrated and deposited in non-soluble glass microparticles, as a type of 'glassy soot'. eurekalert.org Rosatom is ever to reach its potential as a global industrial giant, it will have to shed Russia’s reputation for using energy policy as a means to political ends. nuclear-news.net The closure of Diablo Canyon in California will benefit California marine species. nrdc.org