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  1. Humans

    From the June 1, 1935, issue

    High-voltage circuit breakers, harnessing tides for electric power, and confirming the existence of the Sargasso Sea.

    By Science News
  2. Earth

    Sustainable Resource Use

    This British Web site provides educational material about the sustainable use of resources, including water, waste management, textiles, and timber. It provides puzzles, experiments, worksheets, and lesson plans, with links to a wide range of environmental information. Go to: http://www.e4s.org.uk/

    By Science News
  3. Humans

    Letters from the June 4, 2005, issue of Science News

    Stem winder “Full Stem Ahead” (SN: 4/2/05, p. 218) showed several reasons why stem cell research is a good thing: Stem cells from embryos might cure cancer, Parkinson’s disease, Alzheimer’s disease, diabetes, and many other diseases.