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  1. Letters

    From the August 30, 2008 issue of Science News.

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  2. Life

    Brain boost

    Protein improves old rats’ ability to form new memories.

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  3. Pop chirp bite crunch chew

    The ultrasonic din of dying trees inspires a new kind of research to save forests from beetle attacks — and battle climate change

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  4. Evolution’s Ear

    Recent changes in hearing-related genes may have influenced language development

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  5. Physics

    Stars ablaze in other skies

    A new study suggests that a surprising number of universes, even those with laws of physics different from those in our universe, can still support stars.