News in Brief

  1. Agriculture

    Superbugs take flight from cattle farms

    Winds can carry antibiotics and drug-resistant bacteria from cattle farms to downwind communities.

    By Beth Mole
  2. Physics

    How blueshift might beat redshift

    Even though the expanding universe makes light redder, light emitted by collapsing stars and dust clouds could appear unusually blue.

    By Andrew Grant
  3. Life

    When bacteria-killing viruses take over, it’s bad news for the gut

    A rise in some bacteria-killing viruses in the intestines may deplete good bacteria and trigger inflammatory bowel diseases.

    By Tina Hesman Saey
  4. Environment

    Atrazine’s path to cancer possibly clarified

    Scientists have identified a cellular button that the controversial herbicide atrazine presses to promote tumor development.