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  1. The Species Seekers by Richard Conniff

    Tales relate the adventures of early naturalists who risked life and limb in the quest to discover new species. THE SPECIES SEEKERS BY RICHARD CONNIFF W.W. Norton, 2010, 464 p., $26.95.

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  2. Leonardo da Vinci’s Giant Crossbow by Matthew Landrus

    A da Vinci expert takes a technical look at the design and engineering underlying one of the artist’s most popular but least understood drawings. LEONARDO DA VINCI’S GIANT CROSSBOW BY MATTHEW LANDRUS Springer, 2010, 180 p., $59.95.

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  3. The Best American Science Writing 2010 by Jerome Groopman, ed.

    Highlights some of the most intriguing science articles of 2009, including a tale of sexual evolution by Science News’ Susan Milius. THE BEST AMERICAN SCIENCE WRITING 2010 BY JEROME GROOPMAN, ED. Ecco, 2010, 346 p., $14.99.

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  4. Letters

    Superfluid’s roots I’m confused. A little. I thought that a Bose-Einstein condensate occurred only in a gas and that the first time it was achieved was in 1995 using rubidium atoms. “A matter of solidity” (SN: 9/11/10, p. 22) states, “Superfluidity arises when the atoms in superfluid helium join up in a quantum state called […]

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  5. An engineer teaches her colleagues to share their toys

    In her synthetic biology lab at Stanford, Christina Smolke designs circuits and switches using biological components, work that may lead to yeast that crank out medicines or ways to reprogram the immune system. Winner of the 2009 World Technology Award in biotechnology for doing work of “the greatest likely long-term significance” in her field, Smolke […]

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  6. Paleontology

    Ancient trumpets played eerie notes

    Acoustic scientists re-create and analyze sounds from 3,000-year-old shell instruments for insight into pre-Inca civilization.

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  7. Space

    A cometary blizzard

    NASA's EPOXI mission encountered a snowstorm when it zipped by Comet Hartley 2.

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  8. Space

    It came from another galaxy

    Extrasolar planet traces its origin outside the Milky Way to an ancient neighboring galaxy.

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  9. Physics

    Antimatter, here to stay

    Physicists trap antihydrogen for long enough to study the elusive material.

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  10. Health & Medicine

    New drug bumps up good cholesterol

    Anacetrapib raises beneficial HDL while lowering harmful LDL, a medical trial finds, suggesting it may be a powerful new weapon against cardiovascular disease.

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  11. Life

    Genes jump more in one type of autism

    A mutation that causes Rett syndrome also increases the activity of retrotransposons in the brain.

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  12. Animals

    DEET of the sea

    Before turning in for the night, some reef-dwelling fish apply a slimy mucus shield to deter biting bugs.

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