Uncategorized

  1. Humans

    Letters from the April 7, 2007, issue of Science News

    Winter wonders The theory of “nuclear winter” was originally put forward by an Eastern European mathematician in the 1980s (“Sudden Chill,” SN: 2/3/07, p. 72). Some months later, it was shown that an error in his original calculations so vastly exaggerated “nuclear winter” as to make it meaningless. Still, the dramatic concept of a “nuclear […]

    By
  2. Math

    Math Circles Inspire Students

    Programs outside of school are helping students discover math on their own.

    By
  3. The Billion Tree Campaign

    The United Nations Environment Programme has launched a major global tree-planting campaign to encourage people, businesses, and governments to enter tree-planting pledges online.