Talking while driving poses dangers that people seem unable to see. (p. 20)
Scientists revive search for new rubber sources. (p. 26)
Two large studies reach opposing conclusions about why males stay with females. (p. 5)
Material ejected in gamma-ray bursts may be a main source of the heavy elements. (p. 8)
Probe captures planet from 1.4 billion kilometers away. (p. 8)
Galaxy's maw begins to tear apart and change the velocity of an approaching object. (p. 9)
Clover-shaped clumps of charged particles extend billions of kilometers in our wake. (p. 9)
Technique transports nonmagnetic particles such as cells, water droplets and coffee grounds. (p. 10)
Light?s twistiness allows researchers to measure rotating object?s speed. (p. 10)
Changes in day length linked to workings of Earth's core. (p. 11)
Data show that female birds are not so riveted by their suitors? magnificence (p. 12)
Fossils found in Utah reveal geographic segregation of horned species. (p. 12)
Dig supports prolonged development of domesticated crops at ancient sites across the Fertile Crescent. (p. 13)
Girl, who was sacrificed, may have been sedated by alcohol, coca leaves. (p. 13)
The rapid improvement in symptoms of diabetes, seen in patients before weight loss begins, may be due to changes in part of the intestine. (p. 14)
Slumber waxes and wanes along with lunar rhythm, researchers find with people sleeping in windowless lab. (p. 15)
Though human cells spontaneously group into rudimentary organs, some scientists say work is very preliminary. (p. 16)
Transplanted cells can function in rodents' eyes. (p. 16)
Buckling of appendage drives tiny two-point turn. (p. 17)
The scientists who made the H5N1 strain transmissible between ferrets intend to do the same with H7N9. (p. 17)
Researchers alter rodents' recollections by exciting just a few neurons. (p. 18)
Sleep loss changes brain activity and food preferences. (p. 18)
Review by Erin Wayman (p. 30)
Review by Meghan Rosen (p. 30)
Excerpt from the August 17, 1963, issue of Science News Letter (p. 4)
(p. 31)
The Science Life (p. 32)
Source: http://www.sciencenews.org/view/issue/id/352312/title/Issue_for_the_week_of_August_24th_2013
Paula Broadwell Photos Veterans Day 2012 Nate Silver Obama Acceptance Speech 2012 dow jones ariel winter Paige Butcher
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