News

  1. Health & Medicine

    A dash of marrow helps kidney transplant

    A new approach enables researchers to wean some patients who receive poorly matched kidneys off immune-suppressing drugs

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  2. Old memories interfere with remembering new ones

    Scans in healthy people reveal how the brain juggles outdated versus fresh information.

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  3. Life

    Exercise brings on DNA changes

    Workouts and caffeine can turn on genes that make energy-regulating proteins.

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  4. Physics

    Lose a memory, use energy

    Lab experiment confirms link between erasing information and heat flow.

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  5. Space

    Galactic smashup leaves dark matter debris

    Find in ‘train wreck’ cluster forces astronomers to re-think theories about relationship between mysterious dark matter and galaxies.