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saving maize: Scientists have developed an effective form of biological control for a toxin-producing fungus that plagues crops in sub-Saharan Africa and poses serious health risks to people. The method uses a component of the fungus Aspergillus to control itself. Scientists from Germany, the us and Nigeria have carried out the research.

unique trouble: Asian-Americans born in the US have distinctive patterns of cancer, says the American Cancer Society. The report, focuses on five ethnic groups: Chinese, Filipino, Japanese, Korean and Vietnamese. Asian-Americans have lower rates of cancer than other groups in the US. But cancer is a major cause of death for Asians.

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