Fukushima leak gave everyone an X-ray's worth of radiation
Everyone on Earth got radiation equivalent of an X-ray from Japan's Fukushima nuclear disaster, a first-ever global survey claims. Over 80% of the radiation was deposited in oceans and poles, so people got minimal exposure and don't need to worry, said the lead researcher. The nuclear fuel leaked after a 9.0 earthquake-caused tsunami hit the Fukushima power plant in 2011.