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Science  14 Apr 2000:
Vol. 288, Issue 5464, pp. 223
DOI: 10.1126/science.288.5464.223c

Model T. Need a rundown of major sites for the rat or fruit fly? This National Institutes of Health hub is a handy launch pad to genome databases and other links for eight model organisms, from mouse to worm to yeast.

Physics essentials. From a science librarian comes this short and sweet annotated list of major physics Web sites—from directories to biographies to online tutorials.

Lifesavers. Offering a good set of links on conservation biology, from plant databases to a handbook on population viability analysis, is this site accompanying a new biodiversity teaching CD-ROM by biologist E. O. Wilson.

Build it yourself. Although it's mostly entertainment, students may learn a little physics from this page, where creatures made from springs and masses amble across the screen. See what happens when you adjust gravity, friction, spring strength, and amplitude of motion.

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