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Other web sites of interest

  • Medline searching ( - now open to the public for free, no registration required, courtesy of the National Library of Medicine, a branch of the National Institutes of Health
  • Rare and well-done tidbits from the Annals of Improbable Research (
  • The NIST Online Reference Databases ( - include a section on physical reference data such as physical constants, units and conversion factors; atomic and molecular spectroscopy; nuclear physics; and condensed matter physics.
  • The ESG Biology Hypertextbook Home Page (esg- - Covers biology, chemistry, biochemistry and recombinant techniques.