Saturday, June 30, 2012

Issue for the week of July 14th, 2012

  • After 100 years, energetic space particles continue to pose a perplexing mystery (p. 16)

  • Scientists reinvent agents of illness to become allies in fight against disease (p. 22)

  • Injecting amyloid-beta into mice may induce misfolding of native amyloid-beta molecules, leading to the buildup associated with the neuron-killing disease. (p. 5)

  • Held back for months by a U.S. government biosafety board, the research pinpoints five mutations that render the potent H5N1 virus transmissible through air. (p. 8)

  • Lightweight insects can ride a water droplet, as long as they separate from it before hitting the ground. (p. 9)

  • After an existence plagued by predatory spiders, the insects pass into oblivion, leaving a legacy of impoverished soil. (p. 9)

  • A re-evaluation of the Kepler mission?s data suggests one in three hot giant orbs it discovered is actually another kind of object. (p. 10)

  • The Andromeda galaxy is destined to slam directly into ours, new observations from the Hubble Space Telescope show. (p. 10)

  • A star's oversized debris ring challenges theories of planet formation. (p. 11)

  • Highlights from the 220th AAS meeting held June 10-14 in Anchorage, Alaska. (p. 11)

  • Indonesian volcano may be the culprit in the biggest eruption of the last seven millennia. (p. 12)

  • Prehistoric eruptions gave off huge amounts of a gas that erodes the UV-blocking atmospheric layer. (p. 12)

  • Granular materials give off a zap just before slipping, a finding with potential implications for sensing the starts of silo disasters or earthquakes. (p. 13)

  • Among regular consumers of sugar-free soft drinks, networks that equate sweet flavors with energy intake may grow numb to the real stuff. (p. 14)

  • Patients are deficient in four key lipids that neutralize immune cells linked to inflammation and nerve damage. (p. 14)

  • Insight into how some schizophrenia drugs work may explain why compounds that build up in the brain can take weeks to provide relief. (p. 15)

  • (p. 15)

  • Review by Tina Hesman Saey (p. 28)

  • Review by Laura Sanders (p. 28)

  • (p. 28)

  • (p. 28)

  • (p. 28)

  • (p. 28)

  • (p. 28)

  • (p. 4)

  • (p. 4)

  • (p. 4)

  • (p. 30)

  • Bringing science to Buddhist monks (p. 32)

  • Source: http://www.sciencenews.org/view/issue/id/341878/title/Issue_for_the_week_of_July_14th,_2012

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