Policy and funding Opinion and reviews Too hot to handle A book about the complex history of nuclear waste in the US, reviewed by Robert Hayes Read article: Too hot to handle
Nuclear power Opinion and reviews Fuelling the thorium dream An advocate's account of thorium's potential as an energy source, reviewed by Jess Gehin Read article: Fuelling the thorium dream
Philosophy, sociology and religion Opinion and reviews Forming a critical mass of experts A book about how the nuclear profession developed, reviewed by Geoff Vaughan Read article: Forming a critical mass of experts
Nuclear power Research update Tuna carry Fukushima isotopes to California Caesium levels could help study of fish migration Read article: Tuna carry Fukushima isotopes to California
Policy and funding News Head of the US nuclear regulator resigns Particle physicist Gregory Jaczko steps down amid criticisms Read article: Head of the US nuclear regulator resigns
Instrumentation and measurement Feature In the wake of Fukushima Steven Judge and Hiroyuki Kuwahara report on efforts to monitor radioactive contamination in areas near Japan's stricken Fukushima Daiichi nuclear power stat... Read article: In the wake of Fukushima
Renewables Research update Department of Energy boost for small nuclear reactors Three firms to build modular power plants at US site Read article: Department of Energy boost for small nuclear reactors
Philosophy, sociology and religion Opinion and reviews Lessons from Fukushima Mike Weightman says improving nuclear safety should never stop Read article: Lessons from Fukushima
Ultrafast science Research update Isotope separation with a light touch Lithium-7 could be isolated without toxic mercury Read article: Isotope separation with a light touch
Ultracold matter News Our favourite pictures of 2011 From Batman under the microscope to dancing black holes Read article: Our favourite pictures of 2011