News

  1. 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
  2. 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
  3. Tech

    Hooking up

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

    By Davide Castelvecchi
  4. Health & Medicine

    Plugging Leaks: Manipulating receptors may impede sepsis

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

    By Nathan Seppa
  5. Physics

    Rock, paper, toxins

    A computer model simulates a kind of rock-paper-scissors competition among three species of virtual bacteria.