National Geographic

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WHO issues guidelines on radiation exposure
GENEVA (Reuters) - In the wake of Japan&#39;s nuclear crisis, the World Health Organization (WHO) issued fresh guidelines on how to minimize exposure to radiation that can cause cancers, especially in children and young adults. The United Nations agency ...
Radiation exposure: What we know from Hiroshima and NagasakiLos Angeles Times
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Japan hails the heroic &#39;Fukushima 50&#39;BBC News -National Geographic
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