News

  1. 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
  2. Health & Medicine

    Could nicotine patch fight depression?

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

    By Janet Raloff
  3. Health & Medicine

    Fetal stress begets adult hypertension

    Intense stress during pregnancy may program the baby's development in ways that foster high blood pressure during adulthood.

    By Janet Raloff
  4. Health & Medicine

    With this bait, TB won’t play possum

    An oral tuberculosis vaccine, designed to help curtail the spread of the disease in wildlife populations, may also find use in people.