Uncategorized

  1. Earth

    Clearly Concerning

    The toxicity of a chemical that leaches from a widely used plastic receives conflicting evaluations in two new reviews.

    By Janet Raloff
  2. Math

    Beating the Bush for Patterns

    Across some arid landscapes, sparse vegetation grows in fractal patterns that hold clues to its resilience.

    By Julie Rehmeyer
  3. Humans

    Letters from the September 29, 2007, issue of Science News

    Questioning the surge “The Power of Induction” (SN: 7/21/07, p. 40) was written as if this was a newly discovered technology. I have been using an electric shaver with induction recharging for years. Mike YorkPhoenix, Ariz. The ability to project electrical power some distance suggests a possible method to detonate or disable improvised explosive devices.