TEPCO officials unaware of cooling system shutdown
Fukushima No. 1 nuclear power plant
Hundreds of trillions of becquerels of radioactive strontium leaked into sea
Chernobyl rumors persist 25 years later
Long road looms for next stage at Fukushima nuke plant
Village in Fukushima evacuation zone plans for return
Study: Cesium did not penetrate forest soil
Evacuation-zone radiation limit set; criticism rises
Noda to declare cold shutdown of nuke reactors