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http://www.sciencenews.org/view/issue
In the February 25 Issue:
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February 25th, 2012
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Somewhere along a tangled path, sights, sounds and insights pop into awareness (p. 18)
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Japanese quake gave scientists an unprecedented look at a big tsunami (p. 22)
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Hibernators have some helpful tips for keeping humans healthy (p. 26)
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As invasive snakes expand territory, some mammal populations drop by more than 90 percent within a decade. (p. 5)
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A night of slumber reinforces not just traumatic memories but the negative emotions that go with them, one study finds. (p. 8)
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Magic mushrooms reduce blood flow to parts of the brain responsible for sense of self. (p. 8)
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Negative interactions with others or stressful competition for another’s attention seem to have risky biological effects on an individual. (p. 9)
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Disputed data suggest that non-nutritious eats sold on-site don’t fatten kids. (p. 9)
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Tests see no evidence to confirm a bold 2010 claim that some microbes can incorporate the normally toxic element into their cellular machinery. (p. 10)
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Chemical reactions deep inside the Earth fuel magma’s gem-laden upward journey. (p. 11)
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A new analysis suggests the galaxy is riddled with worlds. (p. 12)
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The Spitzer Space Telescope fails to find a visible planet circling where Hubble saw one four years ago. (p. 12)
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Nerve cells respond to acidifying waters. (p. 14)
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Snakes use the waning throb in their prey as a signal to stop squeezing. (p. 14)
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Avoiding daily temptations works better than using willpower, which has oddly unintended effects. (p. 15)
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Wealth of high-turnout blowouts in Russia’s 2011 parliamentary contest strongly suggests ballot stuffing, an analysis concludes. (p. 16)
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Epidemiologists find that social media can be used to track disease outbreaks as they happen, even in countries with little infrastructure. (p. 16)
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Review by Sid Perkins (p. 30)
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Review by Devin Powell (p. 30)
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(p. 31)
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With a mechanical brain, a pterosaur replica soars (p. 32)
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