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  1. Life

    Insulin-producing cells can regenerate in diabetic mice

    Animal study finds that the pancreas can spontaneously regenerate beta cells.

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  2. Life

    Researchers figure out how flies taste water

    A study identifies the cell membrane protein that flies use to detect water’s flavor.

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  3. Math

    Million-dollar math prize awarded, but not necessarily accepted

    The reclusive mathematician who proved the Poincaré conjecture may or may not claim his prize.

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  4. Life

    When two hyenas get the giggles

    Laughs of higher-status individuals are more posh, a study in a captive colony suggests.

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  5. Anthropology

    Inca cemetery holds brutal glimpses of Spanish violence

    Bones from a 500-year-old cemetery have yielded the first direct evidence of Inca death at Spaniards’ hands.