Issue for the week of August 24th, 2013

Saturday, August 10th 2013. | Science News

  • 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)

  • Related For Issue for the week of August 24th, 2013