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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.

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.

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.

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