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  1. Astronomy

    Young and Near: Baby galaxies roam our backyard

    An ultraviolet-detecting satellite has found that youthful versions of massive galaxies like the Milky Way may be only a cosmic stone's throw away.

    By Ron Cowen
  2. Health & Medicine

    Expanding the therapeutic arsenal

    Two experimental drugs can send chronic myeloid leukemia into remission in patients who don't benefit from the best currently available drugs.

    By Nathan Seppa
  3. Health & Medicine

    Drug counters severe platelet shortage

    An experimental drug called AMG531 revs up production of platelets in people with severe shortages of these clotting agents.

    By Nathan Seppa
  4. Health & Medicine

    Viagra eases lung pressure in patients

    Viagra eases increased blood pressure in the lungs, a condition that affects about one-third of adults with sickle-cell disease.