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  1. Neuroscience

    Anxiety in monkeys is linked to hereditary brain traits

    A key brain connection may be behind childhood anxiety, brain scans of monkeys suggest.

    By Laura Sanders
  2. Health & Medicine

    This tick may play a part in gumming up your arteries

    Having antibodies to a sugar tied to red-meat allergy is associated with more plaque in the artery walls, a small study shows.

    By Aimee Cunningham
  3. Anthropology

    Conflict reigns over the history and origins of money

    Thousands of years ago, money took different forms as a means of debt payment, archaeologists and anthropologists say.

    By Bruce Bower
  4. Anthropology

    How an ancient stone money system works like cryptocurrency

    Money has ancient and mysterious pedigrees that go way beyond coins.