China, S. Korea rebuff Japan on import restrictions after quake

China and South Korea rebuffed on Sunday Japan's calls for more 'reasonable' restrictions on imports of food and other products that could be contaminated with radiation after last month's nuclear disaster, showing the difficulty Japan will face in restoring trust in its products.

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Banking stem cells could save Japan nuclear workers

Health officials should collect blood from workers at the crippled Fukushima Daiichi nuclear power plant in case they are accidentally exposed to high levels of radiation and need a stem cell transplant, Japanese researchers said on Thursday.

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