News

  1. Health & Medicine

    If You Can Stomach It: Obesity surgery extends life span

    Drastic weight loss achieved through gastric bypass and other stomach surgeries improves long-term survival for very obese people.

    By Nathan Seppa
  2. Physics

    Frizzed molecular carpets

    Measurements of the speed with which heat travels along single hydrocarbon molecules could aid in the design of molecular electronics.

    By Davide Castelvecchi
  3. 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
  4. 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.