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  1. Physics

    Frizzed molecular carpets

    Measurements of the speed with which heat travels along single hydrocarbon molecules could aid in the design of molecular electronics.

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  2. Health & Medicine

    Vaccine targets ovarian-cancer cells

    A vaccine for ovarian cancer enables some women who've undergone chemotherapy to stay in remission.

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  3. Archaeology

    Map yields new view of ancient city

    A new map shows that Angkor, the world's largest preindustrial city, covered more than 1,000 square kilometers of what is now Cambodia and possessed an elaborate canal system.

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  4. Computing

    Squashing Worms

    Defeating computer worms that mutate will take some smart defense strategies.