Uncategorized

  1. Astronomy

    Magnetic Memory: New model forecasts solar storms

    A new computer model predicts that the next solar-activity cycle won't begin until late 2008, a year later than the sun's standard cycle would forecast.

    By Ron Cowen
  2. Humans

    Letters from the March 11, 2006, issue of Science News

    Seasonal effect? Might your article, “Bright Lights, Big Cancer” (SN: 1/7/06, p. 8), on breast cancer have missed something? If the daily light-dark cycle affects melatonin, is there a seasonal change in cancer rates in the Northern (and Southern) Hemispheres? If so or not, that might give a clue to any latency period. Alan MacGregorSalmon […]

    By Science News
  3. Health & Medicine

    Genes for macular degeneration

    Variations in two genes could account for three-quarters of all cases of age-related macular degeneration.