Issue for the week of February 25th, 2012

Somewhere along a tangled path, sights, sounds and insights pop into awareness (p. 18)

Japanese quake gave scientists an unprecedented look at a big tsunami (p. 22)

Hibernators have some helpful tips for keeping humans healthy (p. 26)

As invasive snakes expand territory, some mammal populations drop by more than 90 percent within a decade. (p. 5)

A night of slumber reinforces not just traumatic memories but the negative emotions that go with them, one study finds. (p. 8)

Magic mushrooms reduce blood flow to parts of the brain responsible for sense of self. (p. 8)

Negative interactions with others or stressful competition for another?s attention seem to have risky biological effects on an individual. (p. 9)

Disputed data suggest that non-nutritious eats sold on-site don?t fatten kids. (p. 9)

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)

Chemical reactions deep inside the Earth fuel magma?s gem-laden upward journey. (p. 11)

A new analysis suggests the galaxy is riddled with worlds. (p. 12)

The Spitzer Space Telescope fails to find a visible planet circling where Hubble saw one four years ago. (p. 12)

Nerve cells respond to acidifying waters. (p. 14)

Snakes use the waning throb in their prey as a signal to stop squeezing. (p. 14)

Avoiding daily temptations works better than using willpower, which has oddly unintended effects. (p. 15)

Wealth of high-turnout blowouts in Russia?s 2011 parliamentary contest strongly suggests ballot stuffing, an analysis concludes. (p. 16)

Epidemiologists find that social media can be used to track disease outbreaks as they happen, even in countries with little infrastructure. (p. 16)

Review by Sid Perkins (p. 30)

Review by Devin Powell (p. 30)

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With a mechanical brain, a pterosaur replica soars (p. 32)

Source: http://www.sciencenews.org/view/issue/id/338371/title/Issue_for_the_week_of_February_25th,_2012

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