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Science News Archive 2015


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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

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.

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.

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.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

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.

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.

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.

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.

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.

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.

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.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

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.

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...

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.

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.

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.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

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.

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.

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.

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.

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.