Uncategorized

  1. Astronomy

    When really big winds collide

    A newly released image shows dramatic details of the Crescent nebula, a giant gaseous shell created by outbursts of a massive star about to explode as a supernova.

    By Ron Cowen

  2. Bad for the Bones: Thwarted hormone leads to skeletal decay

    Thyroid-stimulating hormone plays an unexpected role in bone remodeling.

    By Kate Ramsayer
  3. Health & Medicine

    First Viruses, Now Tumors: AIDS drug shows promise against brain cancers

    A potential AIDS drug may also slow the growth of deadly brain tumors.

    By John Travis
  4. Tech

    Timing Is Everything: Implantable polymer chip delivers meds on schedule

    A polymer microchip implanted under the skin could deliver multiple doses of medications at programmed intervals, eliminating the need for pills and injections.