News

  1. Physics

    Grainy Geyser: Tall squirts reveal sand’s liquid ways

    Dropping a steel ball into fine, loosely packed sand produces towering jets of grains.

    By Peter Weiss

  2. Clearing Up Blurry Vision: Scientists gaze toward causes of myopia

    Scientists are beginning to unravel the genetic mechanism that causes nearsightedness.

    By Carrie Lock
  3. Archaeology

    Mexican murals store magnetic data

    Tiny magnetic particles in the pigments of some Mexican murals recorded the direction of Earth's magnetic field when the paint dried.

    By Sid Perkins
  4. Health & Medicine

    Protective enzyme has a downside: Asthma

    The abnormal production of a parasite-fighting enzyme contributes to asthma.

    By John Travis

  5. Watching the biological clock

    Biologists now have a way to predict when a woman will start menopause.