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Science News Archive 2015 - Page 215


Page 215 of 402

New formula expected to spur advances in clean energy generation

Researchers at the University of Houston have developed a new formula to calculate the maximum efficiency of thermoelectric materials, which could lead to breakthroughs in clean energy generation. The formula takes into account temperature-dependent properties and can determine whether devices are efficient enough to be worth pursuing.

SourceUniversity of Houston·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015

New report finds Conservatives demonstrate more self control than Liberals

A new study published in PNAS found that conservatives outperform liberals in tasks requiring attention regulation and persistence. Conservatives demonstrated greater self-control than liberals when they believed freewill had a beneficial impact on their behavior.

SourceUniversity of Cincinnati·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

If you demonstrate that 'black lives matter,' others will too

Observing white Americans engage in small nonverbal acts like smiling and making eye contact increases positive attitudes towards Black Americans. This study found that positive micro-nonverbal behaviors can be contagious, reducing racial bias and stereotypes.

SourceUniversity of California - Berkeley Haas School of Business·JournalOrganizational Behavior and Human Decision Processes·DateJun 22, 2015

Smart insulin patch could replace painful injections for diabetes

Researchers have created a smart insulin patch that can detect increases in blood sugar levels and secrete doses of insulin, potentially replacing painful injections for diabetes. The patch uses microneedles to administer insulin, which is released when blood glucose levels get too high.

SourceUniversity of North Carolina Health Care·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015

The parrot talks: complex pueblo society older than previously thought

Researchers have pushed back the time period of sophisticated Pueblo culture by at least 150 years, suggesting a more complex society with relationships to Mesoamerican cultures. The discovery of scarlet macaw remains in ancient settlements has provided early evidence of social hierarchy and trade networks.

SourceUniversity of Virginia·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015

Canadian physics accelerator gets multimillion-dollar boost

Perimeter Institute has secured over $4 million in funding for fundamental research, training, and outreach through strategic partnerships. The investments will support renowned physicists and early-career researchers, fueling innovation and advancements in theoretical physics.

SourcePerimeter Institute for Theoretical Physics·DateJun 22, 2015
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Turning up the volume on prostate cancer

RIT professor Hans Schmitthenner is designing molecular imaging compounds that selectively target prostate cancer cells, using contrast dyes for improved detection. The preclinical phase project aims to enhance image-directed biopsies, potentially reducing pain and side effects.

SourceRochester Institute of Technology·DateJun 22, 2015

Millions of smokers may have undiagnosed lung disease

A recent study published in JAMA Internal Medicine found that more than half of long-term smokers and ex-smokers who pass lung-function tests have respiratory-related impairments. The researchers evaluated 8,872 people aged 45 to 80 who had smoked at least a pack of cigarettes a day for 10 years.

SourceNational Jewish Health·JournalJAMA Internal Medicine·DateJun 22, 2015
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Studies find early European had recent Neanderthal ancestor

A 40,000-year-old jawbone discovered in Europe has revealed that modern humans interbred with Neanderthals after their arrival in the continent. The study, led by HHMI investigator David Reich, found that six to nine percent of the individual's genome is from Neanderthals, indicating a recent ancestry.

SourceHoward Hughes Medical Institute·JournalNature·DateJun 22, 2015

With 300 kilometers per second to new electronics

Scientists have discovered a new material that exhibits extremely large magnetoresistance due to its superfast electrons. The material, niobium phosphide, has the potential to revolutionize the design of electronic components, enabling faster processing and storage of data.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Physics·DateJun 22, 2015

In social networks, group boundaries promote the spread of ideas, Penn study finds

A new Penn study shows that preserving social network boundaries can facilitate the spread of complex ideas, contradicting previous theories. By analyzing computational models and correlations between individual characteristics, researchers found that stronger group ties allow for more effective knowledge sharing across organizations.

SourceUniversity of Pennsylvania·JournalAmerican Journal of Sociology·DateJun 22, 2015

Washington wildfire in California

A lightning strike sparked the Washington Fire near California Highways 4 and 89, fueled by strong erratic winds and severe drought conditions. The fire has grown to 8,000 acres since initial firefighting efforts began on June 19.

SourceNASA/Goddard Space Flight Center·DateJun 22, 2015
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Stress in pet cats -- how it manifests and how to manage it

A recent review highlights the impact of stress on cat behavior and welfare, including changes in exploratory behavior, social grooming, and urine marking. Strategies to prevent or reduce stress include a three-phase reintroduction protocol, environmental enrichment, and breeding strategies that promote well-balanced temperament.

SourceSAGE·JournalJournal of Feline Medicine and Surgery·DateJun 22, 2015

Drinking a lot of beer increases exposure to mycotoxins

Researchers from the University of Valencia analysed 154 brands of beer and found that heavy drinkers consume toxic substances exceeding safety limits. The study reveals low exposure for average consumers, but highlights concerns among those who drink large quantities of beer daily.

SourceSpanish Foundation for Science and Technology·JournalFood Chemistry·DateJun 22, 2015

A fuse of cardiovascular diseases

Researchers at Hiroshima University found a correlation between telomere G-tail length and endothelial dysfunction, as well as stroke and dementia, in patients with chronic cerebrovascular disease. The study suggests that telomere G-tail length may be a useful biomarker for predicting cardiovascular risk.

SourceHiroshima University·JournalEBioMedicine·DateJun 22, 2015
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Study could reduce unnecessary cancer screening

A large clinical trial led by The Ottawa Hospital and the University of Ottawa found that CT scans do not improve cancer detection in people with unexplained blood clots. Approximately four percent of patients from each group were diagnosed with cancer within the next year, with no difference in cancer-associated deaths.

SourceThe Ottawa Hospital·JournalNew England Journal of Medicine·DateJun 22, 2015

Fabricating inexpensive, high-temp SQUIDs for future electronic devices

Researchers have developed a new method to create oxide Josephson junctions, which could lead to high-temperature superconducting electronics. The direct-write approach allows for mass production of high-quality junctions, reducing costs and enabling applications such as biomedical magnetic imaging.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateJun 22, 2015
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Is salt the key to unlocking the interiors of Neptune and Uranus?

A team of researchers has discovered that the presence of salty impurities in ice can push the formation of electrically conducting ice to occur at higher pressures, potentially explaining the magnetic fields of Uranus and Neptune. This finding challenges current assumptions about the physics of icy planetary bodies.

SourceCarnegie Institution for Science·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015

PrEP data links anti-HIV immune response to reduce chance of infection

A new study found that certain immune responses may play a role in blocking systemic HIV infection after exposure. T-cell responses against specific HIV-1 antigens were significantly higher and more frequent among those who remained uninfected compared to those who became infected, associated with reduced risk of infection.

SourceGeorge Washington University Medical Center·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015

Soft core, hard shell -- the latest in nanotechnology

Researchers tracked nanoparticles in animal models, finding they accumulate mainly in the liver, while shell molecules distribute throughout the body. This discovery sheds light on nanoparticle properties and medical applications.

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalNature Nanotechnology·DateJun 22, 2015

Astronomers discover more than 800 dark galaxies in the famous Coma Cluster

Researchers have discovered more than 800 'ultra dark galaxies' in the Coma Cluster, which are characterized by their diffuse and extended structure. The galaxies are thought to be enveloped by a massive amount of dark matter, which accounts for over 99% of their total mass.

SourceNational Institutes of Natural Sciences·JournalThe Astrophysical Journal Letters·DateJun 22, 2015
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Detecting exoplanets close to their host star

Astronomers have successfully commissioned a new type of optic that can reveal the image of an exoplanet next to its parent star. The vector-APP coronagraph uses advanced liquid crystal technology to cancel out starlight, allowing fainter planets to be imaged.

SourceUniversity of Montreal·DateJun 22, 2015

How can health professionals enhance cognitive health in older adults?

A new article highlights key action areas for healthcare professionals to improve the quality of life of older adults by maintaining brain health. Action areas include formal cognitive assessments, screening for risk factors, and promoting physical exercise and social engagement.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalAnnals of Internal Medicine·DateJun 22, 2015

Legacy of slavery still impacts education in the south

A new study by Rice University found that the legacy of slavery contributes to black-white education disparities through greater public-private school racial segregation. The research also shows a correlation between historical geographic slave concentration and modern-day K-12 school segregation, with white students being underreprese...

SourceRice University·JournalSociology of Race and Ethnicity·DateJun 22, 2015

Unpacking the mysteries of bacterial cell cycle regulation

Researchers found that CpdR binds to the ClpXP protease, priming it for engagement with substrates, allowing for broad recognition of multiple pathways. This mechanism enables cells to control multiple pathways with a single regulator, facilitating rapid response to stress.

SourceUniversity of Massachusetts Amherst·JournalMolecular Cell·DateJun 22, 2015
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

The challenge of measuring a bird brain

Corina Logan's research using CT scans to measure endocranial volume found that external skull measurements are not accurate for predicting brain size in the great-tailed grackle. The study highlights the importance of validating and quantifying predictive accuracy of brain size proxies for each species and sex.

SourceUniversity of California - Santa Barbara·JournalPeerJ·DateJun 22, 2015

Cardiac device wearers should keep distance from smartphones

Researchers found that cardiac device wearers should hold phones to opposite ear and not store phone in pocket over device to prevent unwanted electromagnetic interference. The study evaluated the effects of smartphones on pacemakers and ICDs and recommended a safe distance to maintain function.

SourceEuropean Society of Cardiology·DateJun 22, 2015

Bass use body's swimming muscles to suck in food

Researchers at Brown University found that largemouth bass use their swimming muscles to generate suction power for feeding. The study revealed that up to 95% of the power required for suction comes from the swimming muscles, not the mouth bones.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateJun 22, 2015
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Resiliency training program helps teens deal with today's stresses

A new study documents the successful application of a Benson-Henry Institute program at a Boston high school, showing significant reductions in anxiety levels and improved stress management among students. The program teaches relaxation strategies, positive psychology techniques, and helps students build long-term resiliency.

SourceMassachusetts General Hospital·JournalAdvances in Mind-Body Medicine·DateJun 22, 2015
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Functioning brain follows famous sand pile model

The brain's electrical activity displays statistical hallmarks of criticality, a state where information processing is optimized. Spontaneous avalanches in the brain hold it at this balance point, with sensory input momentarily pushing the cortex away but adapting back to optimal critical regime.

SourceWashington University in St. Louis·JournalNature Physics·DateJun 22, 2015

MERS coronavirus: Candidate vaccine gears up for clinical trials

A team of researchers from Ludwig-Maximilians-Universität München has developed a candidate vaccine against Middle East Respiratory Syndrome (MERS) and demonstrated its efficacy in a mouse model. The vaccine, named MVA-MERS-S, uses a modified virus to induce protective immunity against the coronavirus.

SourceLudwig-Maximilians-Universität München·JournalJournal of Virology·DateJun 22, 2015

Safe repellents that protect fruit from spotted wing Drosophila found

Scientists at UC Riverside identified a safe and affordable repellent, butyl anthranilate (BA), to protect fruits from the spotted wing Drosophila insect. Lab experiments showed BA effectively warded off the insect from blueberries, reducing fruit damage during ripening.

SourceUniversity of California - Riverside·JournalScientific Reports·DateJun 22, 2015

Saliva exonerated

A gene previously suspected of influencing human obesity has been cleared of its connection, according to a new study. The researchers developed tools to analyze complex genomic regions, including the AMY1 locus, and found no association with body mass index.

SourceHarvard Medical School·JournalNature Genetics·DateJun 22, 2015
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Stress hormones could undermine breast cancer therapy

Researchers found that stress hormones, including glucocorticoids used to treat chemotherapy side effects, can stimulate growth of breast cancer cells resistant to anti-estrogen therapy. However, adding prolactin may prevent this expansion, offering a potential countermeasure.

SourceThomas Jefferson University·JournalOncogene·DateJun 22, 2015

Weight-loss surgery may greatly improve incontinence

Severely obese individuals undergoing weight-loss surgery experience substantial improvements in urinary incontinence, with a majority achieving remission three years after bariatric surgery. The more weight lost, the higher the chances of improvement, and those who were older or had severe walking limitations showed less improvement.

SourceUniversity of California - San Francisco·JournalJAMA Internal Medicine·DateJun 22, 2015

Discovery paves way for new kinds of superconducting electronics

Researchers at UC San Diego have developed a new method to control electrical transport through high-temperature superconductors, enabling the creation of sophisticated electronic devices capable of measuring tiny magnetic fields in the brain or heart. This breakthrough paves the way for improved satellite communications and novel tech...

SourceUniversity of California - San Diego·JournalApplied Physics Letters·DateJun 22, 2015
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Patients test drive pacemaker before choosing permanent implant

Researchers developed a temporary pacemaker procedure allowing patients to assess potential benefits before committing to a permanent implant. Six patients with bradycardia underwent the test drive, resulting in improved exercise tolerance and quality of life after choosing permanent pacemaker implants.

SourceEuropean Society of Cardiology·DateJun 22, 2015

Best Practice Framework is good benchmarking tool for Fracture Liaison Services worldwide

A new review by the International Osteoporosis Foundation confirms the success of the Capture the Fracture Best Practice Framework as a single set of quality standards for Fracture Liaison Services globally. The framework helps raise standards, reinforces international guidelines, and identifies common challenges faced by FLS worldwide.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·DateJun 22, 2015

Sun unleashes mid-level flare

A mid-level solar flare, peaking at M6.6, was emitted by the sun on June 22, 2015. This event may disturb the atmosphere and affect GPS and communications signals.

SourceNASA/Goddard Space Flight Center·DateJun 22, 2015
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Independence at home program national demonstration saves more than $25 million

The Independence at Home Medicare demonstration program saved over $25 million in the first year by improving geriatric care and reducing hospital readmissions. The program, which provides home-based medical care through house calls, resulted in improved patient satisfaction and reduced healthcare costs for Medicare beneficiaries.

SourceUniversity of Pennsylvania School of Medicine·DateJun 22, 2015

Penn vet research confirms a more accurate method for blood glucose testing

Researchers at Penn Vet used blood plasma and serum in glucometers for more accurate measurements than whole blood, finding results closely aligned with a gold standard machine. This simpler method may soon be adopted for human patients relying on glucometers.

SourceUniversity of Pennsylvania·JournalJournal of the American Veterinary Medical Association·DateJun 22, 2015

Manning up: Men may overcompensate when their masculinity is threatened

A study found that men who feel they fall short of traditional masculinity ideals may exaggerate characteristics such as height and athletic ability to reassert their manliness. The researchers suggest that this pressure can lead to negative consequences, including aggressive behavior and unrealistic expectations of male roles.

SourceUniversity of Washington·JournalSocial Psychology·DateJun 22, 2015

The Southeast Pacific produces more nitrous oxide than previously thought

Research teams from GEOMAR and CAU discover the Southeast Pacific has been significantly underestimated as a source of nitrous oxide. Continuous measurement data show the region emits up to 1.4 megatons of nitrous oxide each year, exceeding similar areas in other tropical oceans.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Geoscience·DateJun 22, 2015