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  1. Agriculture

    Wheat gone wild

    Researchers have identified a gene responsible for boosting the protein, iron, and zinc content of some varieties of wild wheat by 10 to 15 percent.

    By Julie Rehmeyer

  2. Leggy lizards adapt fast

    In response to a new predator, lizards on several Caribbean islands underwent selection first for long legs and then for short legs.

    By Julie Rehmeyer
  3. Planetary Science

    So long, Surveyor

    After 8 years of relaying pictures, topographic maps, magnetic field data, and compositional information from above the Red Planet, NASA's Mars Global Surveyor spacecraft appears to have called it quits.

    By Ron Cowen
  4. Health & Medicine

    Pain type matters to brain

    Chronic back pain affects different parts of the brain than acute back pain does, magnetic resonance images reveal.