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  1. Physics

    Spinning into Control

    High-speed flywheels could replace batteries in hybrid vehicles and help make the electrical grid more reliable.

    By Davide Castelvecchi

  2. 19831

    Kudos for Science News for this article. I think this holistic view of the microbe community—rather than investigating the single organism—offers a hopeful path to numerous insights for preventive measures for optimum health. Terry MooreCorvallis, Ore.

    By Science News

  3. Our Microbes, Ourselves

    Trillions of microbes live in the human gut and skin, and they may be essential to health.

    By Alexandra Goho
  4. Math

    Miles from Nowhere

    Scientists have developed a new technique for calculating the ecological value of road-free areas of land and representing them geometrically.