News

  1. Health & Medicine

    Wearing your food

    A broccoli extract, applied to the skin, has been found to reduce the incidence of skin tumors in mice.

    By Katie Greene
  2. Health & Medicine

    Dairy fats cut colon cancer risk

    High-fat dairy foods appear to confer protection against colon cancer.

    By Janet Raloff
  3. Earth

    Sex and the sewage

    Chemicals in sewage sludge appear to have stunted the testes and fostered other reproductive-system changes in fetal lambs.

    By Janet Raloff
  4. Health & Medicine

    Monthly cycle changes women’s brains

    Activity in a brain region that regulates emotions fluctuates over the course of a woman's menstrual cycle.