2013-11-17 Figure 1: The radioactivity of the aerosol particles after the Fukushima Daiichi nuclear power plant accident in Tsukuba, Japan. http://www.nature.com/srep/2013/130830/srep02554/fig_tab/srep02554_F1.htmlhttp://www.nature.com/srep/2013/130830/srep02554/full/srep02554.html