News

  1. Health & Medicine

    Salmonella seeks sweets

    A sugarlike substance in the roots of lettuce may attract food-poisoning bacteria.

    By Janet Raloff
  2. Earth

    Groundwater use adds CO2 to the air

    Pumping out groundwater for crop irrigation or industrial purposes releases planet-warming carbon dioxide into the atmosphere.

    By Sid Perkins
  3. Health & Medicine

    Earache microbe shows resistance

    A strain of bacterium that causes middle ear infection is resistant to all antibiotics currently approved for the ailment.

    By Nathan Seppa
  4. Tech

    Hooking up

    Cleverly designed molecules can self-assemble into networks and stay robustly connected.

    By Davide Castelvecchi
  5. Health & Medicine

    Plugging Leaks: Manipulating receptors may impede sepsis

    Manipulation of signaling proteins on blood vessels may help combat sepsis, an often fatal condition.