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  1. Space

    Atom & Cosmos

    A world record for atom smashing, plus black hole threesomes, a volcanic Mars and more in this week’s news.

    By Science News
  2. Health & Medicine

    Blame brain cells for lack of focus

    Denser tissue in a particular brain region may result in higher distractibility, a new study finds.

    By Laura Sanders
  3. Health & Medicine

    Coronary bypass rates drop

    Heart patients have been less likely to undergo the surgery since 2001, with many getting a less invasive procedure.

    By Nathan Seppa
  4. Life

    Sickle-cell may blunt, not stop, malaria

    Once thought to keep parasite out of cells, the trait appears to diminish the severity of infection.