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  1. Astronomy

    Elliptical duet rides the Kuiper belt

    Follow-up observations of an icy object in the Kuiper belt and its moon reveal that the two bodies revolve about each other in the most elongated orbit of any pair of objects in the solar system.

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  2. Health & Medicine

    Virus gives cancer the cold treatment

    A genetically engineered version of a common cold virus appears to kill cancer cells without harming healthy tissue.

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  3. 19000

    I’ve been hosting an interactive forum on the Web for the past 7 years. Our community is made up of people with chronic inflammatory bowel diseases and their families and friends. The nature of these diseases is such that sufferers tend to be socially isolated, and finding each other on the Web has opened up […]

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  4. The Social Net

    New studies explore the nature of social interactions on the Internet, from online corporate work groups to white supremacist chat rooms.