Uncategorized

  1. Animals

    Pesticides Mess with Immunity: Double whammy promotes frog deformities

    Agricultural pollutants may conspire with parasites to cause the epidemic of limb deformity that's sweeping through North America's frog populations.

    By John Pickrell
  2. Anthropology

    Evolution’s Surprise: Fossil find uproots our early ancestors

    Researchers announced the discovery of a nearly complete fossil skull, along with jaw fragments and isolated teeth, from the earliest known member of the human evolutionary family, which lived in central Africa between 7 million and 6 million years ago.

    By Bruce Bower
  3. Astronomy

    Let There Be Spin

    X-ray outbursts from two different pairs of stars in our Milky Way are providing clues about how the most rapidly rotating stars in the universe got their spin.