Uncategorized

  1. Earth

    Memory problems linked to PCBs in fish

    Adult exposures to polychlorinated biphenyls, from eating tainted fish, correlate with lower scores on learning and memorization tasks.

    By Janet Raloff
  2. Materials Science

    Scientists get a handle on crystal shape

    Researchers have discovered how the orientation of amino acid molecules can make a growing crystal take on either a right- or a left-handed form.

    By Jessica Gorman

  3. Healthy aging may depend on past habits

    A 60-year study indicates that middle-aged men can exert a considerable amount of personal control over their eventual physical and mental health as seniors.

    By Bruce Bower

  4. 18951

    That is a neat little recycle program described in “New test traces underground forest carbon.”