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  1. Archaeology

    Neandertals may have hunted in horse-trapping teams 200,000 years ago

    A revised age for a German site indicates that our evolutionary cousins organized horse ambushes around 200,000 years ago.

    By Bruce Bower
  2. Animals

    Chimp chatter is a lot more like human language than previously thought

    Chimpanzees combine hoots, calls and grunts to convey far more concepts than with single sounds alone. It may be a first among nonhuman animals.

    By Jake Buehler
  3. Health & Medicine

    How to fight Lyme may lie in the biology of its disease-causing bacteria

    The unusual molecular makeup of Borrelia burgdorferi, which causes Lyme disease, may hold clues for understanding and treating the tick-borne disease.