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  1. Humans

    From the June 23, 1934, issue

    Young desert hawks in their nest, properties of newly found element 93, and the effect of high pressure on phosphorus.

    By Science News
  2. Astronomy

    Tracking Solar Activity

    Part of the Student Observation Network, this NASA Web site offers information and activities related to solar flares and storms. Vividly illustrated online tutorials provide guidelines and background for observing sunspots, recording radio waves, collecting data from magnetometers, and viewing auroras. Learn how to make a sunspot viewer or magnetometer. See live images of the […]

    By Science News
  3. Humans

    Letters from the June 26, 2004, issue of Science News

    Theory and practice Like physicists, mathematicians have always been divided into theorists and experimentalists (“Math Lab: Computer experiments are transforming mathematics,” SN: 4/24/04, p.