Nature World: A new report by the influential non-profit group National Resources Defense Council (NRDC) suggests that the US Nuclear Regulatory Commission is still not adequately protecting American nuclear reactors from the risk of hydrogen explosions such as the ones that crippled the Fukushima Dai-ichi nuclear campus three years ago.
In a severe loss-of-coolant scenario such as the one that triggered the meltdown at Fukushima after a March 11, 2011 earthquake and tsunami, uranium-filled fuel rods, made...