News

  1. Life

    When cells go quiet

    Connections between nerve cells may be lost when communication between the cells lapses.

    By
  2. Health & Medicine

    Breathe easy

    When it comes to heart function, the concentration of pollution in the air may matter less than its chemical makeup.

    By
  3. Space

    Ice on Mars

    White stuff on Mars is water ice, Phoenix team confirms.

    By
  4. Physics

    Left in the cold

    An optical trap lets atoms in but not out, and it can be used to study matter at ultracold temperatures.

    By
  5. Chemistry

    Catching your breath

    Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.