With the incident at Fukushima causing much renewed concern about the risks of nuclear power this year, the NY Times brings news that the U.S. Nuclear Regulatory Commission has released the preliminary version of a safety report due out in April 2012, based upon new science about the behavior of Cesium-137. The report finds that the public health hazards of nuclear accidents at the types of reactor designs currently in common use are lower than previously thought, based upon a better understanding of the science behind earlier estimates. - SlashDot