News

  1. Genetics

    How to grow toxin-free corn

    Corn genetically altered to produce specialized molecules may prevent a fungus from tainting it with carcinogenic toxins.

    By Elizabeth Eaton
  2. Neuroscience

    Scratching is catching in mice

    Contagious itching spreads by sight mouse-to-mouse, and scientists have identified brain structures behind the phenomenon.

    By Susan Milius
  3. Earth

    Warming soils may belch much more carbon

    New measurements suggest soils below 15 centimeters deep could play a sizable role in boosting carbon emissions as the planet warms.

    By Thomas Sumner
  4. Archaeology

    Ancient nomadic herders beat a path to the Silk Road

    Herders’ mountain treks helped mold the Silk Road, an ancient, cross-continental trade network.