শুক্রবার, ১৯ এপ্রিল, ২০১৩

Issue for the week of May 4th, 2013

  • Obama announces ambitious plan to develop new tools for exploring neural circuitry. (p. 22)

  • Animals? cognitive shortcomings are as revealing as their genius. (p. 24)

  • Scientists struggle to understand how early Earth stayed warm enough for liquid water. (p. 30)

  • Hundreds of fossils found in China suggest some unhatched dinos kicked their legs. (p. 5)

  • A newly discovered rupture-and-repair process that occurs in embryos could explain a lot about infections and hearing defects. (p. 8)

  • With a short time to live, parasite-infested females lose their preference for fast-chirping males. (p. 8)

  • Two species that live in the dark have worse hearing than do their surface-living cousins. (p. 9)

  • Mice slim down after receiving bacteria transplanted from rodents that had the surgery. (p. 10)

  • New World breeds trace back to both major bovine lineages, genetic analysis shows. (p. 10)

  • Targeting cholesterol in retina stops rogue blood vessel growth often seen in the vision disease. (p. 11)

  • DNA-based switches could be used in diagnosis and treatment of diseases. (p. 11)

  • An experimental medicine that targets a type of RNA in the liver leads to reduced virus levels in patients. (p. 12)

  • In mice, bits of proteins can treat condition resembling multiple sclerosis. (p. 12)

  • Organisms living on tree roots do the lion?s share of sequestering carbon. (p. 13)

  • Space station-based instrument records high amount of antimatter seen in earlier experiments. (p. 14)

  • Similar brain patterns emerge when seeing an object and conjuring it during sleep. (p. 16)

  • Using lasers, scientists target a sluggish set of neurons in rats to ease drug compulsion. (p. 16)

  • Language evolution might have fed off infants? ability to use certain sounds to express various emotions. (p. 17)

  • Temperatures soared to nearly 74 degrees Celsius, which no plants or animals could endure. (p. 18)

  • Disintegration of floating glaciers could be responsible for freezing of seawater. (p. 18)

  • The tectonic history of North America?s Pacific Rim gets even more jumbled. (p. 19)

  • At the bottom of the Mariana Trench, eleven kilometers down, bacteria prosper despite crushing pressure and isolation. (p. 19)

  • The hominid?s unusual build may place it in into humankind?s lineage. (p. 20)

  • Methane, ozone and other short-lived pollutants have a big impact on ocean heights, simulation finds. (p. 20)

  • More jarring flights are likely, simulation suggests. (p. 20)

  • Fermentation process using bioengineered version of the fungus could become important new production method for artemisinin. (p. 20)

  • Highlights from the annual AACR meeting include ovulation?s impact on cancer risk and an experimental drug?s promising performance against leukemia. (p. 20)

  • Review by Allison Bohac (p. 34)

  • Review by Nathan Seppa (p. 34)

  • (p. 34)

  • (p. 34)

  • (p. 34)

  • (p. 34)

  • (p. 34)

  • Science Past from the issue of May 4, 1963 (p. 4)

  • Science Future for May 4, 2013 (p. 4)

  • (p. 4)

  • (p. 35)

  • The Science Life (p. 36)

  • Source: http://www.sciencenews.org/view/issue/id/349822/title/Issue_for_the_week_of_May_4th_2013

    ashley greene marquette university Chris Porco cbs sports ncaa tournament kids choice awards Miley Cyrus Twerk

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