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Science  04 Feb 2000:
Vol. 287, Issue 5454, pp. 763
DOI: 10.1126/science.287.5454.763c

One-stop shopping. Looking for the freshest research in your field? The new PrePRINT Network trolls more than 20 databases—such as the Los Alamos e-print server—and scores of departmental Web pages for preprints in physics, math, chemistry, environmental science, and other areas funded by the Department of Energy. www.osti.gov/preprints

Color me purple. Dress them in ribbons, assemble them as balls and sticks, or put them in movies: Those are among the options offered by Visual Molecular Dynamics (VMD), a free software package for modeling proteins, lipid bilayers, and nucleic acids. Just released for Windows (there's also a UNIX version), VMD also has a sister program for simulating molecular dynamics. www.ks.uiuc.edu/Research/vmd

Patent peeves. Riled by patent claims on DNA fragments, or concerned that the U.S. government is handing out software patents like candy? The editor of a well-known e-newsletter has assembled this site of “legal resources and tools for surviving the patenting frenzy.” Although it's partly subscription based, free sections include papers on biotech patenting and a list of software patents that were eventually deemed invalid. http://www.bustpatents.com/

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