Issue for the week of February 23rd, 2013

With fertilizer prices skyrocketing, scientists scramble to recover phosphorus from waste. (p. 20)

With drug firms in retreat, the pipeline for new psychiatric medications dries up. (p. 26)

The molecule swaps its biological role for a computational one, that of long-term data storage. (p. 5)

A new study confirms an earlier result that found that the proton is smaller than thought, opening up the possibility of undiscovered particles and forces. (p. 8)

The newborn stars, not even a million years old, formed when regions of a cloud of cool dust and gas (visible at center left) collapsed from gravity. (p. 8)

Metamaterials and math combine to produce a quick, cheap system. (p. 9)

A new study finds that blocking enzymes' effects beyond the gastrointestinal tract may be an effective treatment strategy. (p. 10)

Illness in the mother nearly doubles the risk of a miscarriage or stillbirth in second or third trimester, a new study shows. (p. 10)

Scientists say the practice has no proven value and poses risks of infection. (p. 11)

A diet high in fast food seems to increase the risk of asthma in young children and adolescents, survey data from more than a half-million people finds. (p. 11)

Electrodes surgically implanted in the brain could treat severe cases of autism. (p. 12)

Molecular signature of injury seen in scans of retired NFL players. (p. 12)

Cognitive decline may result from decreased social interaction or diversion of brainpower toward understanding speech. (p. 13)

New analysis doubles estimate of avian death tolls, revealing that hunting felines take bigger bite out of wildlife than expected. (p. 14)

A genetic analysis shows that the sessile crustaceans can broadcast sperm in water, contrary to previous assumptions. (p. 15)

The insects orient themselves using starlight, researchers find in planetarium experiments. (p. 15)

Irrigation has downstream effects on climate and runoff to Colorado River. (p. 16)

Energy dissipated as heat in cities can cause regional temperature changes, simulations suggest. (p. 16)

Scientists lift self-imposed moratorium on research that would make avian flu transmissible among humans. (p. 17)

Nerve stem cell therapy treats gut disorder by connecting to nervous system. (p. 18)

Couch potatoes? reproductive health may suffer. (p. 18)

People with one form of IFITM3 are more likely to develop pneumonia. (p. 18)

Spewing muck since 2006, volcano will calm to a sputter by 2017. (p. 18)

Soccer, rugby, hockey players better ignore distractions to follow motion with their eyes. (p. 18)

Review by Alexandra Witze (p. 30)

Review by Sid Perkins (p. 30)

(p. 30)

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(p. 4)

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(p. 4)

(p. 31)

Rare disease sets mom?s research agenda (p. 32)

Source: http://www.sciencenews.org/view/issue/id/348175/title/Issue_for_the_week_of_February_23rd_2013

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