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  1. Humans

    Letters from the December 11, 2004, issue of Science News

    Mover Earth I would have thought that it is more likely that Earth’s hum creates the weather patterns (“Humming Along: Ocean waves may cause global seismic noise,” SN: 10/2/04, p. 212: Humming Along: Ocean waves may cause global seismic noise) than the other way around. Judy AngelGlasgow, Scotland Nuclear fallout “Hurrying a nuclear identity switch” […]

    By Science News
  2. Health & Medicine

    Stemming Incontinence: Injected muscle cells restore urinary control

    Stem cells removed from healthy muscle, grown in a lab, and inserted back into women with urinary incontinence can rebuild a muscle needed to control urine flow.

    By Ben Harder
  3. Materials Science

    Color Collective: Polymer self-assembles into light-emitting film

    Stacks of sheets of light-emitting organic molecules that assemble into nanoscale structures could be more efficient and luminescent than existing display materials based on organic substances.