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  1. Math

    Floating Bodies

    An extension of work by Archimedes on the stability of floating bodies leads to some insights into the behavior of icebergs and other structures.

    By Ivars Peterson
  2. Humans

    From the August 18, 1934, issue

    The Great Dust Storm of 1934, preferred sleep position and handedness, and tensor theory applied to electrical machinery.

    By Science News
  3. Tech

    Aerodynamics for Beginners

    NASA’s Glenn Research Center offers an extensive online tutorial on the basics of aerodynamics. Aimed at elementary and high school teachers, the site provides lots of useful information and has slides and worksheets suitable for classroom use at various levels. Go to: http://www.grc.nasa.gov/WWW/K-12/airplane/bga.html

    By Science News
  4. Materials Science

    Warm Reflections: Window tint kicks in when it’s hot

    A novel window coating automatically transforms into a heat mirror only when warmed above room temperature.