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  1. Health & Medicine

    Lupus in Depth

    The Lupus Foundation of America provides a comprehensive Web site about this autoimmune disease, which affects up to 1.5 million people in the United States. The site offers information on the kinds of lupus, causes, symptoms, testing, and treatment. Students and researchers may also find it useful to check detailed accounts of ongoing studies. Go […]

    By Science News
  2. Physics

    Celebrating the laser

    An introduction to the special section on lasers.

    By Tom Siegfried

  3. Special cosmic edition: PDF download page

    All files are saved as PDFs.  Please download Adobe’s Acrobat Reader to view these files. Cosmic questions, answers pending: Complete packagePDF 2.61MB Mission: reveal the secrets of the universePDF 555KB Pre-Bang branes and bubbles | By Ron Cowen PDF 546KB In the dark | By Alexandra Witze PDF 328KB Strung together | By Matt Crenson […]

    By Science News