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  1. Science Future for August 29, 2009

    September 29 MESSENGER spacecraft expected to make its third and final flyby of Mercury. Learn more at messenger.jhuapl.edu October 4–10 Celebrate World Space Week. Find local events and activities at www.worldspaceweek.org October 18–21 The Geological Society of America hosts its annual meeting in Portland, Ore. Visit www.geosociety.org/meetings/2009

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  2. Letters

    Conspiratorial skepticism After achieving two degrees in psychology, I concluded that the field is largely bereft of genuine insight and simple common sense, and that it masquerades as a science, with notable exceptions here and there. Articles such as “Tracing the inner world of suspicion,” (SN: 6/20/09, p. 11) confirm and underline psychology’s essential mindlessness. […]

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  3. Archaeology

    Fire engineers of the Stone Age

    New evidence indicates that people used fires to heat stones in preparation for making cutting instruments at least 72,000 years ago in southern Africa.