#Japan #Radiation Is Everywhere, but How to Rate Harm?

nytimesscience

Radiation Is Everywhere, but How to Rate Harm? http://nyti.ms/gFDXbi


Since the first reports last month of damage to nuclear reactors at the Fukushima Daiichi power plant, the lingering question has been whether drifting plumes of radioactive elements from the plant will harm people in Japan or other parts of the world. For many people, the biggest fear is cancer.