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The amount of radiation found in Pacific bluefin tuna spawned near Fukushima does not threaten our health, despite today's suggestive headlines. What a new study shows is that scientists can rely on tiny amounts of radiation to track animals across great distances.
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Japan is far from back to normal, after an earthquake, tsunami and nuclear disaster devastated the northeastern part of the country a year ago. U.S. Ambassador to Japan John Roos talks to Steve Inskeep about his latest visit to the hard-hit region of Tohoku.
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All of Japan's nuclear power plants will be offline by April and might never restart. That's forcing the country to increase its reliance on coal, oil and natural gas. This could cost the country an extra $100 million per day and significantly increase carbon dioxide emissions.
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Though the immediate nuclear crisis in Japan has passed, the process of securing and stabilizing the radioactive materials from the melted-down reactors will be a long, expensive slog. Recovery workers will also need to decontaminate the area surrounding the plant.
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Interactive photos show continuity and change in Japan since the tsunami struck one year ago.
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A new independent report on the Fukushima nuclear accident found that a far worse meltdown — one that could have forced the evacuation of Tokyo's 30 million people — was narrowly avoided. It also suggests that Japan also suffered a failure of government regulation, supervision and response.
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Experts say health effects from the radiation released by last year's nuclear disaster will be minimal. But the lasting psychological trauma from the tsunami, including the loss of life and livelihoods, will be an ongoing struggle.