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  1. Health & Medicine

    A new way to lower cholesterol

    New agents lower cholesterol in a slightly different way than do statins, the most widely used cholesterol-lowering drugs.

    By Damaris Christensen
  2. Earth

    Algae do battle with bioweaponry

    Beneath the frozen surface of Sweden's lakes, algae wage wars over nutrients, and one combatant apparently prevails by releasing chemicals toxic to its adversaries.

    By Ben Harder
  3. Health & Medicine

    The Persistent Problem of Cystic Fibrosis

    Ten years after the discovery of the gene that, when mutated, causes cystic fibrosis, researchers are still struggling to understand why deadly lung infections are so common among people with the disease.

    By Damaris Christensen
  4. Computing

    Calculating Cartoons

    Thanks to sophisticated computer simulations of the laws of physics, spectacular special effects—plus a zoo of strange but real-looking creatures—increasingly enliven movie screens and computer-game consoles.