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Science  23 Jun 2000:
Vol. 288, Issue 5474, pp. 2091
DOI: 10.1126/science.288.5474.2091b

Weighing the alternatives. Echinacea wards off colds, St. John's Wort will cure depression: If you're skeptical of such claims, find out what research has actually shown for 100-some herbs at HerbMed, an “evidence-based herbal formulary.” The site posts excerpts from articles in PubMed on clinical studies, mechanisms, warnings, and ethnobotanical uses; links lead to PubMed abstracts.

Global meltdown. Mountain glaciers, sea ice, and seasonal snow cover are all shrinking as temperatures have warmed over the past century. For an overview of these trends and the changes greenhouse gas warming may bring, visit State of the Cryosphere, a brief primer that includes a glossary and references.

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