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  1. Humans

    Physicist steps up to be science adviser

    President Bush has announced that he intends to nominate John Marburger, the head of Brookhaven National Laboratory, as his science advisor.

    By Charlotte Schubert

  2. Tree pollen exploits surrogate mothers

    An Algerian cypress releases pollen that can develop without fertilization, using another tree species' female organs instead of a mate's.

    By Susan Milius

  3. 18956

    Both smokers and nonsmokers should appreciate results of studies of the effect of organic selenium on angiogenesis. A report last year by Cheng Jiang et al. in Molecular Carcinogenesis (vol. 29, issue 4) reports sustained suppression of angiogenesis in breast and prostate cancer cells. However, inorganic selenium supplements induce less favorable effects.