Uncategorized

  1. Computing

    Web worms: Code Red to Warhol

    Using an efficient infection strategy, a malicious programmer could deploy a rogue computer program far more voracious than the Code Red worm that struck on July 19.

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  2. Ecosystems

    Wanted: Reef Cleaners

    Nearly 18 years after a near total die-off of algae-grazing urchins in the Caribbean, those herbivores are poised for a comeback—which could help save area corals.

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  3. Physics

    Accelerators load some new ammo: Crystals

    To make denser accelerator beams that may open new doors in physics, researchers have chilled ions in a miniature test accelerator until the ions coalesced into crystals.

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  4. Materials Science

    Chemical sensors gain true portability

    Researchers have designed simple new films for indicating the presence of worrisome airborne chemicals.