Uncategorized

  1. Astronomy

    MESSENGER captures new images of Mercury during a third passage

    MESSENGER flew past Mercury for a third time on September 29. The spacecraft's mission will continue, with MESSENGER due to settle into a yearlong orbit around Mercury in March 2011.

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  2. Chemistry

    Earth’s ‘boring billion’ years blamed on sulfur-loving microbes

    A new study suggests these organisms could have kept oxygen levels low and waters toxic, stalling the evolution of complex life.

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  3. Paleontology

    Parasite may have felled a mighty T. rex

    An infection known to afflict modern birds may have led to starvation in several dinosaurs.

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  4. Paleontology

    Fish death, mammal extinction and tiny dino footprints

    Paleontologists in Bristol, England, at the annual meeting of the Society of Vertebrate Paleontology report on fish fossils in Wyoming, the loss of Australia’s megafauna and the smallest dinosaur tracks.

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  5. Life

    Better sensing through empty receptors

    A new model suggests cells may be more sensitive to their environment than previously thought.

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  6. Looking for a change on climate policy in Copenhagen

    A Q&A with Richard A. Bradley.

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  7. Book Review: How We Live and Why We Die: The Secret Lives of Cells by Lewis Wolpert

    Review by Nathan Seppa.

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  8. Book Review: Connected: The Surprising Power of Social Networks and How They Shape Our Lives by Nicholas A. Christakis and James H. Fowler

    Review by Rachel Zelkowitz.

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  9. Grace Hopper and the Invention of the Information Age by Kurt W. Beyer

    This biography explores the trials and triumphs of one of computer programming’s few female pioneers.MIT Press, 2009, 389 p., $27.95. GRACE HOPPER AND THE INVENTION OF THE INFORMATION AGE

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  10. The 10,000 Year Explosion: How Civilization Accelerated Human Evolution by Gregory Cochran and Henry Harpending

    Genetic changes reveal how culture has shaped recent human evolution, the authors argue. Basic Books, 2009, 288 p., $27. THE 10,000 YEAR EXPLOSION: HOW CIVILIZATION ACCELERATED HUMAN EVOLUTION

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  11. Instant Egghead Guide: The Universe by J.R. Minkel and Scientific American

    Bite-sized knowledge on subatomic particles, supernovas, time dilation and more.St. Martin’s Griffin, 2009, 221 p., $14.99. INSTANT EGGHEAD GUIDE: THE UNIVERSE

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  12. Green Intelligence: Creating Environments that Protect Human Health by John Wargo

    Pollution’s past effects could inform today’s environmental policy. Yale Univ. Press, 2009, 400 p., $32.50. GREEN INTELLIGENCE: CREATING ENVIRONMENTS THAT PROTECT HUMAN HEALTH

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