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  1. Astronomy

    Nine Planets, or Eight?

    Astronomers probe Pluto's place in the solar system.

    By Ron Cowen

  2. Robot Zoo

    The Robot Zoo Web site, developed by the Tech Museum of Innovation in San Jose, Calif., captures some of the charm of a traveling biomechanics exhibit featuring giant robot models of animals. These fanciful contraptions provide insights into how chameleons, bats, and other animals eat, move, and see. Go to: http://www.thetech.org/exhibits_events/traveling/robotzoo/

    By Science News

  3. From the June 6, 1931, issue

    LARGEST WIND TUNNEL AND TOWING CHANNEL FINISHED Aeronautic research took a stride forward when two outstanding pieces of apparatus for testing and improving aircraft–both the largest of their kind in the world–were officially put in operation last week by the National Advisory Committee for Aeronautics at its Langley Memorial Aeronautical Laboratory in Langley Field, Va.