News

  1. Anthropology

    . . . and then takes some lumps

    The skeletal diversity that many scientists use to divide up fossil species in our evolutionary past masks a genetic unity that actually encompassed relatively few species, contend researchers in an opposing camp.

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  2. Anthropology

    Our family tree does the splits…

    Large-scale changes in climate and habitats may have sparked the evolution of many new animal species in Africa beginning 7 million to 5 million years ago, including a string of new species in the human evolutionary family.

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  3. Humans

    Biomedicine, defense to sidestep budget ax

    President Bush's first budget request would boost funding for biomedical and military research but trim federal outlays for other areas of science and technology.