News

  1. Life

    Great-grandpa’s genes gone, effects stay

    Removing an obesity-preventing scrap of DNA from a mouse lineage doesn’t prevent descendants from reaping its slimming benefits for generations.

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  2. Humans

    Just breathing in Iraq can be hazardous

    Poor air quality is an added danger for troops, testing indicates.

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  3. Health & Medicine

    New drug boosts hepatitis C treatments

    An experimental medication has cleared a major hurdle and seems poised for FDA approval, two studies show.

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  4. Space

    First portraits of Mercury from orbit

    MESSENGER spacecraft to capture more than 1,500 images in three days.

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  5. Life

    Wasps airlift annoying ants

    In a scrap over food, being big and able to fly is an advantage.