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  1. Inner Tube of Life

    Science magazine presents a striking portrait of the human gut in a special collection of articles and features devoted to the flora, development, immunology, diseases, and more of this remarkable, 10-foot-long tube. The Web pages include an interactive poster displaying the gut in all its glory. Requires free registration. Go to: http://www.sciencemag.org/sciext/gut/

    By Science News
  2. Chemistry

    Color Trails: Natural dyes in historic textiles get a closer look

    A new chemical technique for extracting natural dyes from ancient textiles could help identify the plant species from which the colorants came.

    By Alexandra Goho
  3. Animals

    Fish Din: Reef clamor attracts young fish settlers

    When looking for a home, young fish seem to prefer a reef that's alive with the sounds of shrimp and fish rather than a quieter environment.