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  1. Humans

    Letters from the November 3, 2007, issue of Science News

    Waste not, want not “Cellulose Dreams” (SN: 8/25/07, p. 120) ignored important research by David Tilman and Jason Hill of the University of Minnesota. They found that planting a crop of 18 different native prairie plants grown in highly degraded and infertile soil with little fertilizer or chemicals yielded substantially more bioenergy than a single […]

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  2. Chemistry

    Chemistry—Weird and Otherwise

    During this—Chemistry Week—check out the “Who, What, When, Where, and Why of Chemistry.” The site’s periodic postings are offered up by Bryn Mawr College computational chemist Michelle M. Francl, who comments on events of the day—always inserting a gentle chemistry twist.