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  1. Health & Medicine

    Body & Brain

    Sight restored after 55 years, plus hockey-checking injuries, statins' diabetes link and more in this week's news.

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  2. Space

    Spacecraft goes from crash landing to mission accomplished

    The wreckage of the Genesis probe yields a bonanza of discoveries about conditions in the early solar system.

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  3. Life

    From Z’s to A’s

    Two new studies show sleep is crucial to learning.

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  4. Paleontology

    Big dinosaurs kept their cool

    Body temperature of long-gone beasts resembled that of mammals, study of fossil teeth suggests.

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  5. Health & Medicine

    Food choices matter in weight control

    Potatoes and sugary soft drinks add pounds, a long-term analysis shows; fruit, yogurt and nuts help shed them.