radionuclides

Radionuclides in seawater have been reported from the Fukushima plant's discharge canals, from coastal waters five to ten kilometers south of the plant, and from 30 kilometers offshore. "Levels of some radionuclides are at least an order of magnitude higher than the highest levels in 1986 in...

Electricity has been restored to three reactors at the Japanese nuclear plant wrecked by fire and explosions after the 11 March quake and tsunami. However the cooling systems are not yet operating, and the UN nuclear watchdog, the IAEA, says the situation remains "very serious". Some workers...