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  1. In field or backyard, frogs face threats

    Amphibians and other sensitive groups encounter chemicals across the landscape.

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  2. DNA on the move

    The latest advances from the field of DNA nanotechnology include nanobot ‘spiders’ learning how to walk and even do some work.

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  3. A matter of solidity

    A material that oozes through itself presents a super physics puzzle.

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  4. Physics

    Very tiny, very cool

    Physicists outline a scheme to build a ‘refrigerator’ that can cool to near absolute zero and is based on only a few particles.

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  5. Plants

    Most energy drinks lag in added health benefits

    Many caffeinated tonics lack natural antioxidants and other beneficial compounds found in coffee, yerba maté and other plant-based drinks.

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  6. Book Review: Packing for Mars: The Curious Science of Life in the Void by Mary Roach

    Review by Camille M. Carlisle.

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  7. Science Future for September 11, 2010

    September 16 The North Carolina Museum of Life and Science hosts a Science of Beer event. Go to www.ncmls.org/visit/events/science-beer September 26 An exhibit on archaeology of the Ottoman Empire comes to Philadelphia. See www.penn.museum/upcoming-exhibits.html October 15 Entry deadline for National Engineers Week Future City design competition for middle-schoolers. See www.futurecity.org

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  8. Science Past from September 10, 1960 issue

    PRIMARY CLUE TO MATTER — The shortest lifetime of an elementary particle — only a quarter of a millionth of a billionth of a second — gives a primary clue to the structure of matter…. [S]cientists have known for about ten years of the neutral pi-meson and have been trying to pin down its lifetime. […]

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  9. Book Review: Here’s Looking at Euclid: A Surprising Excursion through the Astonishing World of Math by Alex Bellos

    Review by Elizabeth Quill.

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  10. The Wave: In Pursuit of the Rogues, Freaks, and Giants of the Ocean by Susan Casey

    The author interweaves tales of scientists and surfers who, whether for study or an adrenaline rush, seek out monster waves. THE WAVE: IN PURSUIT OF THE ROGUES, FREAKS, AND GIANTS OF THE OCEAN BY SUSAN CASEY Doubleday, 2010, 352 p., $27.95.

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  11. The Grand Design by Stephen Hawking and Leonard Mlodinow

    In his first major work in nearly a decade, Hawking ponders the origins of the universe and the pursuit of a unified theory. THE GRAND DESIGN BY STEPHEN HAWKING AND LEONARD MLODINOW Bantam Books, 2010, 208 p., $28.

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  12. Asleep: The Forgotten Epidemic that Remains One of Medicine’s Greatest Mysteries by Molly Caldwell Crosby

    A historical account of the sleeping sickness pandemic of the 1920s and the science behind it. ASLEEP BY MOLLY CALDWELL CROSBY Berkley, 2010, 291 p., $24.95.

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