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  1. Health & Medicine

    Going Under

    While every anesthetic drug has its own effect, scientists know little about how the various versions work on the brain to transport patients from normal waking awareness to dreamless nothingness.

    By Susan Gaidos

  2. Science Future for May 21, 2011

    June 1The 2011 hurricane season begins. For storm updates go to www.nhc.noaa.gov June 1–5The World Science Festival returns to New York City with its annual fun and flair. See worldsciencefestival.com July 5–10Watch a 360-degree under-water film and visit exhibits at the Royal Society’s Summer Science Exhibition in London. Learn more at royalsociety.org

    By Science News

  3. Science Past from the issue of May 20, 1961

    U.S. SPACEMAN A-OKAY — The United States broke the space barrier May 5 when Alan B.