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)

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(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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