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  1. Materials Science

    Physicists untangle the geometry of rope

    Equations explain why winding fibers together does the job, no matter what they’re made of.

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  2. Space

    Backward planets may have flipped into place

    Reversed orbits among ‘hot Jupiters’ decreases chance of Earthlike neighbors.

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  3. Life

    Mutation effects often depend on genetic milieu

    Genetic background is at least as important as environment, fruit fly research shows.

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  4. Health & Medicine

    Intentional weight loss in old age not detrimental, study finds

    Among obese group, those who shed pounds as part of diet study were less likely to die during follow-up years.

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  5. Math

    Hiding patients in plain sight

    A new technique could help make medical records available to researchers without compromising privacy.

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  6. Health & Medicine

    Mapping the fruit fly brain

    A new digital atlas could reveal how 100,000 neurons work together.

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  7. Physics

    Colliding dust grains charge each other up

    Physicists propose a way that cloud particles can electrify themselves.

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  8. Book Review: Here Be Dragons by Dennis McCarthy

    Review by Sid Perkins.

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  9. Book Review: The Eerie Silence: Renewing Our Search for Alien Intelligence by Paul Davies

    Review by Elizabeth Quill.

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  10. 50 Great Myths of Popular Psychology by S.O. Lilienfeld, S.J. Lynn, J. Ruscio and B.L. Beyerstein

    Psychologists team up to debunk popular urban legends in that field. Wiley-Blackwell, 2010, 332 p., $26.95. 50 GREAT MYTHS OF POPULAR PSYCHOLOGY BY S.O. LILIENFELD, S.J. LYNN, J. RUSCIO AND B.L. BEYERSTEIN

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  11. Duel at Dawn: Heroes, Martyrs, and the Rise of Modern Mathematics by Amir Alexander

    The Romantic Age zeitgeist profoundly influenced modern mathematicians, a science historian argues. DUEL AT DAWN: HEROES, MARTYRS, AND THE RISE OF MODERN MATHEMATICS BY AMIR ALEXANDER Harvard Univ. Press, 2010, 320 p., $28.95.

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  12. Wild Urban Plants of the Northeast: A Field Guide by Peter Del Tredici

    An exploration of the plant life that springs up amid chain-link fences and asphalt jungles. WILD URBAN PLANTS OF THE NORTHEAST: A FIELD GUIDE BY PETER DEL TREDICI Cornell Univ. Press, 2010, 374 p., $29.95.

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