News

  1. Animals

    Dogged Dieting: Low-cal canines enjoy longer life

    The first completed diet-restriction study in a large animal shows that labrador retrievers fed 25 percent less food than those allowed to eat as much as they desired tend to live longer and suffer fewer age-related diseases.

    By John Pickrell
  2. Earth

    September’s Science: Shutdown of airlines aided contrail studies

    The shutdown of commerical aviation within the United States for 3 days after Sept. 11, 2001, provided scientists with a unique opportunity to study the influence of high-flying jet aircraft on Earth's climate.

    By Sid Perkins
  3. Health & Medicine

    Could nicotine patch fight depression?

    Chronic nicotine administration blocked a symptom of depression in an animal model of the disease.