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  1. Materials Science

    Taken for a Spin

    Considering silk from the spider's perspective may offer the best chance of replicating these creatures' tough threads.

    By Aimee Cunningham
  2. Humans

    Letters from the April 14, 2007, issue of Science News

    Heated comments I am disappointed in your article on the latest Intergovernmental Panel on Climate Change (IPCC) summary (“From Bad to Worse: Earth’s warming to accelerate,” SN: 2/10/07, p. 83). It was a political summary, not the 1,500 page report that’s due in May 2007. How often have you seen a scientific summary published 3 […]

    By Science News
  3. Math

    Can’t Knock It Down

    Mathematicians have found three-dimensional shapes that flip themselves upright from any position.