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Science News Archive September 2017 - Page 36


Page 36 of 39

More durable, less expensive fuel cells

The University of Delaware team developed a new technology that can make fuel cells cheaper and more durable. They created a catalyst of tungsten carbide nanoparticles, which improves water management and reduces the burden on the humidification system in fuel cells.

SourceUniversity of Delaware·JournalNature Communications·DateSep 5, 2017

Recommendations vary for vision screening in young children

The US Preventive Services Task Force (USPSTF) recommends vision screening for children aged 3-5 to detect amblyopia. However, the evidence for this age group is considered moderate, while it is insufficient for children under 3 years old. Early detection of vision abnormalities can prevent permanent vision loss in affected eyes.

SourceJAMA Network·JournalJAMA·DateSep 5, 2017

High-flying ducks cross Himalayas

Scientists tracked ruddy shelducks crossing the Himalayas using satellite data, finding they fly above 5,000 metres and reach 6,800 metres altitude. This challenge likely requires adaptations to cope with lower oxygen levels, surpassing even bar-headed geese' records.

SourceUniversity of Exeter·JournalJournal of Avian Biology·DateSep 5, 2017

Research shows how DNA molecules cross nanopores

A new study published in Nature Communications reveals that DNA molecules move faster as they enter a nanopore and slower when exiting, due to buckling under compressive forces. This finding could inform the design of biosensors and have real-world applications in polymer properties measurement.

SourceNorthwestern University·JournalNature Communications·DateSep 5, 2017

Engineer develops key mathematical formula for driving quantum experiments

Washington University engineer Jr-Shin Li has developed a mathematical formula to design broadband pulse sequences, leading to enhanced signal sensitivity in various quantum experiments. The formula, published in Nature Communications, is the first to use analytical methods, resolving challenges associated with numerical optimization.

SourceWashington University in St. Louis·JournalNature Communications·DateSep 5, 2017

ACA marketplace plans offer fewer mental health providers compared to primary care

A new study by University of Pennsylvania researchers found that ACA marketplace plans offer significantly fewer mental health providers than primary care, highlighting the need for better regulation and incentives. The study suggests that narrower network design and lower reimbursement rates may contribute to this disparity.

Glowing cancer tool illuminates benign, but dangerous, brain tumors during pituitary surgery

A new imaging tool using targeted fluorescent dye successfully lit up benign brain tumors in patients undergoing removal surgery, allowing surgeons to identify tumor tissue. The technique improved surgical outcomes, with a 73% gross-total resection rate and perfect concordance for post-operative MRI results.

SourceUniversity of Pennsylvania School of Medicine·JournalJournal of Neurosurgery·DateSep 5, 2017

When not to eat your kids

Researchers found mangrove rivulus fish recognize single embryos as related to themselves despite hunger, suggesting a chemical cue role. The study's results demonstrate an early-stage embryonic kin recognition ability in this species.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateSep 5, 2017

Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2017

Researchers at Oak Ridge National Laboratory are developing new materials to repair heavy-duty vehicle engines, reducing energy consumption and extending their lifespan. The lab is also working on smart home solutions to optimize energy usage in homes, using advanced algorithms and sensors to collect data on energy demand.

SourceDOE/Oak Ridge National Laboratory·JournalAdvanced Functional Materials·DateSep 5, 2017

Preventing exercise-induced bronchospasm

Researchers have identified the best ways to diagnose, prevent, and treat exercise-induced bronchospasm (EIB) in children with and without asthma. Effective treatments include pharmacological interventions and practical preventative methods such as wearing face masks and selecting warmer exercises.

SourceFrontiers·JournalFrontiers in Pediatrics·DateSep 5, 2017