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  1. Planetary Science

    When storms collide on Jupiter

    Astronomers have for the first time witnessed two giant storms merging on Jupiter.

    By Ron Cowen
  2. Tech

    Chair becomes personalized posture coach

    Pressure imprints made by a person in a chair provide a new type of computer input useful for tracking posture or, perhaps, other clues to someone's activities and state of mind.

    By Peter Weiss
  3. Health & Medicine

    Path to heart health is one with a peel

    Consuming lots of oranges and other citrus fruits, or their juices, can trigger beneficial, cholesterol-moderating changes in the blood.

    By Janet Raloff
  4. Astronomy

    Variable quasar may help measure the cosmos

    A flickering cosmic mirage, recorded for the first time in X rays, promises to provide a new estimate of how rapidly the universe is expanding.