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  1. Cool Science for Kids

    This Web site, produced by the Howard Hughes Medical Institute, provides hands-on science activities for elementary-school students. It uses animation, sound, quizzes, and other techniques to encourage kids to explore biology. Activities include building a model of a butterfly emerging from a cocoon and identifying which parts of plants belong in the family salad bowl. […]

    By Science News
  2. Health & Medicine

    Freeing Up the Flow: Clearing neck-artery blockage diminishes signs of depression in elderly

    Propping open a clogged carotid artery may ease symptoms of depression in elderly people.

    By Nathan Seppa

  3. Old Mice and Men: Species share genetic markers of aging

    The amounts of protein produced by a particular set of genes could give researchers clues to how much a person or another animal has aged.