News

  1. Animals

    Chicks open wide, ultraviolet mouths

    The first analysis of what the mouths of begging birds look like in the ultraviolet spectrum reveals a dramatic display that birds can see but people can't.

    By Susan Milius
  2. Animals

    Fishy Paternity Defense: Bluegill dads: Not mine? Why bother?

    Bluegill sunfish have provided an unusually tidy test of the much-discussed prediction that animal dads' diligence in child care depends on how certain they are that the offspring really are their own.

    By Susan Milius
  3. Health & Medicine

    Protein Pump: Experimental therapy fights Parkinson’s

    Bathing surviving dopamine-making neurons with a natural protein that induces nerve-fiber growth reverses some of the symptoms in Parkinson's disease patients.