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  1. Life

    Anxiety switch makes mice shy no more

    Brain-control experiments could help shed light on psychiatric disorders

    By Laura Sanders
  2. Space

    Atom & Cosmos

    Buckyballs may abound in space, plus the latest on planets and solar siblings in this week's news.

    By Science News
  3. Life

    Help, elephants need somebody

    In pull-together tests, pachyderms are on par with chimps in understanding the basics of cooperation.

    By Susan Milius
  4. Physics

    Soot hastens snowmelt on Tibetan Plateau

    Black carbon pollution is a more potent driver of melting in the region than increases in carbon dioxide, a new computer simulation suggests.

    By Janet Raloff
  5. Science & Society

    Humans

    The sophisticated lives of early North Americans, plus third arms and drunken memories in this week's news.