Saturday, December 29, 2012

Issue for the week of January 12th, 2013

  • Scientists may be on the brink of identifying a mysterious form of matter (p. 18)

  • Synthetic biologists reinvent nature with parts, circuits (p. 22)

  • The Hubble telescope spies stars lighting up the cosmic dawn. (p. 5)

  • Adolescents who use cigarettes seem to accumulate less bone mineral than those who don?t. (p. 8)

  • While all patients in a new study could discriminate between sounds early on, those whose ability improved during the first 48 hours wound up recovering. (p. 8)

  • Chemical tests of currency help reveal where New World riches flowed. (p. 9)

  • The ancient Nazca culture?s celebrated desert drawings include a labyrinth meant to be strolled, not seen. (p. 9)

  • A nonlinear analysis explains how negotiations often turn on seemingly insignificant details. (p. 10)

  • Researchers at the meeting, held December 5-7 in Santa Fe, N.M., offer insight into spam blocking and sick leave. (p. 10)

  • Leisure activities make or break job applicants at major banking, legal and consulting outfits. (p. 11)

  • Coordinated motion in debris from lead-proton collisions may yield clues about quark-gluon plasma. (p. 12)

  • Clumps of alpha-synuclein move through dopamine-producing cells, mouse study finds. (p. 13)

  • Model representing 2.5 million neurons performs calculations, issues instructions for a behavior, and then expands its decision into action. (p. 13)

  • An abundance of antioxidant-producing microbes seems to keep plaques from breaking free and causing heart attacks and stroke. (p. 14)

  • Healing broken hearts, tracing Romani migration using genes, and how insulin irregularities may be linked to obesity. (p. 14)

  • Disputed dating of rock erosion pegs the ancient chasm as 70 million years old. (p. 15)

  • Recreational fishing may be inadvertent evolutionary force, favoring cautious fish over better caretakers of the young. (p. 16)

  • The latest milestone in a 35-year journey may signal an impending passage to interstellar space. (p. 17)

  • Frozen material at the planet?s poles likely came from comet or asteroid impacts. (p. 17)

  • Review by Alexandra Witze (p. 30)

  • Review by Allison Bohac (p. 30)

  • (p. 30)

  • (p. 30)

  • (p. 30)

  • (p. 30)

  • (p. 30)

  • (p. 4)

  • (p. 4)

  • (p. 4)

  • (p. 31)

  • Contest brings out the biohackers (p. 32)

  • Source: http://www.sciencenews.org/view/issue/id/347308/title/Issue_for_the_week_of_January_12th_2013

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