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  1. Physics

    Corralling the Mass Maker: Hunting ground shifts for elusive particle

    Hunters of the most eagerly sought particle in high-energy physics, the Higgs boson, are gleaning fresh clues about where and how to look from a new finding about another fundamental particle called the top quark.

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  2. Physics

    Light Projects

    This colorful, interactive Web site provides a lively introduction to the nature of light and spectra. A product of Project LITE (Light Inquiry Through Experiments) at Boston University, the site offers a variety of applets, activities, and materials on topics ranging from color mixing and afterimage effects to moire patterns and geometrical optics. A fascinating […]

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  3. Humans

    Letters from the June 12, 2004, issue of Science News

    Go with the flow In “Tales of the Undammed: Removing barriers doesn’t automatically restore river health” (SN: 4/10/04, p.