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  1. Humans

    From the November 25, 1933, issue

    STEEL TOWERS GO UP AND DOWN TO SPEED SURVEY OF COUNTRY Work on control surveys of the United States is being rapidly pushed forward under funds recently provided by the Public Works Administration to the U.S. Coast and Geodetic Survey. Although the immediate purpose is to provide employment to a great number of men, the […]

    By Science News
  2. Math

    Fractal World

    Created by Michael Frame, Benoit Mandelbrot, and Nial Neger of Yale University, these Web pages serve as a remarkably comprehensive source of information on fractal geometry. The site offers basic definitions, many illustrations, and lots of mathematical details. Topics include natural fractals and dimensions, iterated function systems, the complex Newton’s method, fractals in art and […]

    By Science News
  3. Earth

    The Next MTBE: Contamination from fuel additives could spread

    Several alternatives to the common gasoline additives methyl tert-butyl ether (MTBE) and ethanol could create environmental problems similar to those that MTBE has already caused.