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  1. Physics

    Life’s code in soap

    The mathematics of soapy water yields some clues to the origin of the genetic code.

    By Davide Castelvecchi
  2. Humans

    Symbolic snacks

    Capuchin monkeys can reason with tokens as they do with different foods, demonstrating a basic capacity for thinking symbolically.

    By Bruce Bower
  3. Health & Medicine

    Parasite payback

    The protozoan parasite that causes leishmaniasis seems vulnerable to the anticancer drug tamoxifen, research in mice shows.

    By Nathan Seppa
  4. Physics

    Suction hunters

    Scientists reveal new details on how extendable jaws help fish capture prey.

    By Davide Castelvecchi
  5. Health & Medicine

    Time on their side

    Review of a decade's worth of major league baseball games shows a slight cost in performance in teams with jet lag.