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Science News Archive 2012 - Page 128


Page 128 of 333

Adolescents in substance abuse programs report using other's med marijuana

A recent study by University of Colorado researchers found that 73.8% of adolescents in substance abuse treatment used medical marijuana recommended to someone else. Regular use of medical marijuana began at a younger age among these patients, and they had more severe symptoms of marijuana abuse and conduct disorder.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateAug 8, 2012

Feeling fat may make you fat

A study by Norwegian University of Science and Technology found that normal-weight teenagers who perceive themselves as fat are more likely to become obese as adults. The researchers analyzed data from the Nord-Trøndelag Health Study, finding a significant association between perceived weight and actual obesity.

SourceNorwegian University of Science and Technology·JournalJournal of Obesity·DateAug 8, 2012

Making it easier to learn to read

Scientists identified a key neural mechanism causing dyslexia, which can be traced back to a malfunction of the medial geniculate body. This discovery provides a foundation for developing potential treatments and compensating strategies for individuals with dyslexia.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateAug 7, 2012

Chemists advance clear conductive thin films

Researchers from Brown University and ATMI Inc. report the best-ever transparency and conductivity performance for an ITO made using a chemical solution, potentially offering a low-cost method for manufacturers. The team created conductive films with 93% transparency and comparable conductivity to glass plates.

SourceBrown University·JournalJournal of the American Chemical Society·DateAug 7, 2012

Diseased trees new source of climate gas

Researchers at Yale University have discovered that diseased trees in forests can produce massive amounts of methane, a potent greenhouse gas. The estimated emission rate from an upland site is equivalent to burning 40 gallons of gasoline per hectare of forest per year.

SourceYale University·JournalGeophysical Research Letters·DateAug 7, 2012

Increasing federal match funds for states boosts enrollment of kids in health-care programs

New research from the University of Michigan found that a 10-percentage-point increase in federal matching funds for Medicaid and CHIP is associated with an increase of 1.9 percent in the number of children enrolled in Medicaid nationwide. This translates to approximately 500,000 additional children gaining health insurance coverage.

Searching for tumors or handguns can be like looking for food

A laboratory study conducted by Duke University psychologists found that the brains of humans, including radiologists and baggage screeners, evolved to solve foraging problems in similar ways. The researchers discovered that people with fewer targets to find gave up on a given screen sooner compared to those with more targets.

SourceDuke University·JournalPsychological Science·DateAug 7, 2012

Keeping the faith through souvenirs

A Concordia University study explores how Christian pilgrims give souvenirs to spark interest in religion and perpetuate their faith. Pilgrims believe gifts can open a conversation with God, fulfilling their desire to pass down their faith.

SourceConcordia University·JournalJournal of Material Culture·DateAug 7, 2012