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  1. Life

    Skin cells transformed directly into neurons

    Researchers making neurons bypass the need to revert cells to an embryonic state.

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  2. Life

    Keeping black bears wild

    Wildlife managers compare ways to keep bears away from food and people.

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  3. Chemistry

    Self-stirring liquids

    Chemistry, not force, leads to fluid flow, mixes solution.

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  4. Archaeology

    Skeleton of Western man found in ancient Mongolian tomb

    A genetic analysis of a skeleton from an ancient Asian tomb illuminates the spread of Indo-Europeans.

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  5. Starting Anew

    Scientists turn to lowly creatures to unlock the secrets of regeneration.