News FocusTohoku Disaster

Insistence on Gathering Real Data Confirms Low Radiation Exposures

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Science  10 May 2013:
Vol. 340, Issue 6133, pp. 678-679
DOI: 10.1126/science.340.6133.678

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As the disaster at the Fukushima Daiichi Nuclear Power Plant was unfolding in March 2011, Ryugo Hayano started posting Twitter observations about radioactive releases. Gradually, the University of Tokyo particle physicist found himself drawn deeper into a debate over the exposure of area residents. Last month, he and his colleagues reported finding no detectable radiocesium in recently tested children and minimal levels in adults, suggesting that efforts to keep the food supply safe are working. The findings are drawing both praise and criticism.

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