News

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

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

    By Kate Ramsayer
  2. 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
  3. 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.

    By Alexandra Goho
  4. Earth

    Chicken Little? Study cites arsenic in poultry

    Most chicken eaten in the United States contains 3 to 4 times as much arsenic as is present in other kinds of meat and poultry.