August 19, 2000 | Science News

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    Computer grid cracks problem

    A large network of powerful computers solved a 32-year-old optimization challenge known as the "nug30" quadratic assignment problem.
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    Strength and weakness in diversity

    Although the Internet's redundancy and diversity help it survive local node malfunctions despite its vast size and complexity, it is vulnerable to attacks aimed specifically at the most highly connected nodes.
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    Feedback matters for getting the joke

    Plausible information about how others react to jokes colors a college student's own perception of the humor value of the material.
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    In gauging beauty, congeniality counts

    People judge others who have positive personality traits by more lenient physical criteria for attractiveness than they do those about whom they have no personality information.
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    Older isn't wiser in moral reasoning

    Researchers find more endorsement of immanent justice, the belief that the natural world punishes human misdeeds, among college students than sixth-graders.
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