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  1. Science Future for September 11, 2010

    September 16 The North Carolina Museum of Life and Science hosts a Science of Beer event. Go to www.ncmls.org/visit/events/science-beer September 26 An exhibit on archaeology of the Ottoman Empire comes to Philadelphia. See www.penn.museum/upcoming-exhibits.html October 15 Entry deadline for National Engineers Week Future City design competition for middle-schoolers. See www.futurecity.org

    By Science News

  2. Science Past from September 10, 1960 issue

    PRIMARY CLUE TO MATTER — The shortest lifetime of an elementary particle — only a quarter of a millionth of a billionth of a second — gives a primary clue to the structure of matter…. [S]cientists have known for about ten years of the neutral pi-meson and have been trying to pin down its lifetime.