News

  1. Health & Medicine

    Vaccine targets ovarian-cancer cells

    A vaccine for ovarian cancer enables some women who've undergone chemotherapy to stay in remission.

    By Nathan Seppa
  2. Archaeology

    Map yields new view of ancient city

    A new map shows that Angkor, the world's largest preindustrial city, covered more than 1,000 square kilometers of what is now Cambodia and possessed an elaborate canal system.

    By Bruce Bower
  3. Health & Medicine

    Lithium might help bone healing

    In mice, treatment with lithium assists in the production of a bone-repair protein and improves the healing of fractures.

    By Nathan Seppa
  4. Earth

    Cat disease associated with flame retardants

    An epidemic of hyperthyroidism in house cats may be the result of environmental exposure to certain flame retardants.