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Science  05 Jun 1998:
Vol. 280, Issue 5369, pp. 1499
DOI: 10.1126/science.280.5369.1499d

Bomb signatures. Seismic signals provide clues to the punch packed by nuclear devices recently tested in Pakistan and India. To see the seismograms for yourself, start at a site operated by the Incorporated Research Institutions for Seismology ( For news, analysis, and policy background about the tests, try the Coalition on the Comprehensive Test Ban Treaty site,

Outsmarting HIV. To design better AIDS drugs, researchers need to know how HIV mutates in response to various drug treatments. Now they can turn to a new public site linking HIV gene sequences to info on treatment history. The site, launched by a Stanford University researcher in conjunction with an article on HIV resistance appearing this week in Annals of Internal Medicine, contains some 4500 HIV sequences.

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