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Science News Archive 2023 - Page 269


Page 269 of 444

Study linking mucus plugs and COPD mortality could help save lives

A retrospective analysis of patient data suggests that targeting mucus plugs in the lungs may help prevent deaths from COPD. The study found that patients with mucus plugs had a higher mortality rate compared to those without, with significant associations across different disease phases.

SourceBrigham and Women's Hospital·JournalJAMA·TypeObservational study·DateMay 21, 2023

Molecular ferroelectrics drive two-dimensional thin film solar cells

Researchers fabricated 2D perovskite solar cells based on molecular ferroelectrics, achieving the highest open circuit voltage and best efficiency among 2D Ruddlesden-Popper perovskite solar cells. The introduction of ferroelectricity improved charge transport and device performance.

SourceScience China Press·JournalNational Science Review·DateMay 21, 2023

Novel hybrid operation to treat gastrointestinal bleeding caused by portal vein obstruction

A new hybrid operation, TEPS, has been introduced to treat gastrointestinal bleeding caused by portal vein obstruction. The procedure combines traditional surgical and interventional approaches to effectively resolve life-threatening clinical manifestations associated with cavernous transformation of the portal vein (CTPV).

SourceKeAi Communications Co., Ltd.·JournalJournal of Interventional Medicine·TypeObservational study·DateMay 21, 2023
Apple iPhone 17 Pro

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

Nitrate: healthy heart or cancer risk? Meet nutrition’s Jekyll and Hyde

A literature review found that dietary nitrate from vegetables may prevent cardiovascular disease, while nitrate from meat and water may pose a cancer risk. Experts emphasize the need for clarification in current guidelines and more research to distinguish fact from fiction.

SourceEdith Cowan University·JournalTrends in Food Science & Technology·TypeLiterature review·DateMay 21, 2023

New supply chain model to empower seabound hydrogen economy

A new supply chain model has been developed to guide the transportation of hydrogen and its embodied energy, enabling more efficient exports of renewable energy. The model suggests that methanol shows great promise as a chemical carrier for exporting renewable energy from Australia at low costs.

SourceUniversity of Technology Sydney·JournalEnergy Conversion and Management·TypeComputational simulation/modeling·DateMay 21, 2023

Nonlocal interactions enhanced biexciton emission of quantum dots

Researchers discovered nonlocal effects in large semiconductor nanocrystals, reducing Auger recombination rate exponentially, achieving high biexciton efficiency of up to 80% in CsPbBr3 nanocrystals. This discovery provides a guideline for fabricating advanced quantum emitters.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournaleLight·DateMay 21, 2023
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.

Society for Cardiovascular Angiography and Interventions bestows highest designation ranking to leading interventional cardiologists

The Society for Cardiovascular Angiography and Interventions (SCAI) recognized outstanding interventionalists with the Master Interventionalists of SCAI (MSCAI) designation. The recipients demonstrated excellence in invasive/interventional cardiology, innovation, publication, and teaching.

SourceSociety for Cardiovascular Angiography and Interventions·DateMay 20, 2023

SCAI announces 2023-24 SCAI-WIN CHIP Fellowship Recipient

Njambi Mathenge has been selected as the recipient of the SCAI-WIN CHIP Fellowship, offering her additional year of advanced training focusing on complex and high-risk coronary intervention. She will pursue her fellowship at Massachusetts General Hospital and Brigham and Women’s Hospital.

SourceSociety for Cardiovascular Angiography and Interventions·DateMay 20, 2023

A Spanish team presents the first pharmacological treatment able to improve cardiac function in stiff-heart syndrome

Researchers have developed a pharmacological treatment that improves cardiac function in patients with stiff-heart syndrome, a condition caused by amyloid protein deposition. The new drug reduces amyloid protein deposits and shows promise in reversing established disease symptoms.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateMay 20, 2023

Remote monitoring reduces heart failure hospitalizations and improves quality of life

The MONITOR-HF trial found that remote pulmonary artery pressure monitoring significantly improved quality of life by 7.1 points at 12 months, with a 44% reduction in heart failure hospitalizations or urgent visits during follow-up. The procedure was safe and reliable, with a high level of adherence to guideline-directed medical therapy.

SourceEuropean Society of Cardiology·JournalThe Lancet·DateMay 20, 2023
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.

New device gently moves esophagus, making heart ablations safer, study found

A new device invented by Emile Daoud and his team at Ohio State University Wexner Medical Center significantly reduces the risk of esophageal injury during heart ablation. The device uses suction force to gently move the esophagus away from the catheter tip, creating a safe pathway for treatment.

SourceOhio State University Wexner Medical Center·TypeRandomized controlled/clinical trial·DateMay 20, 2023

George Dangas, MD, Ph.D., named President of Society for Cardiovascular Angiography & Interventions

Dr. George Dangas has been appointed as the new President of SCAI, a non-profit professional association promoting excellence in interventional cardiovascular medicine. He is an authoritative voice on nonsurgical cardiovascular and valve interventions, and will fulfill various responsibilities including acting as spokesperson for SCAI.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·DateMay 20, 2023

HRS, APHRS, and LAHRS release cardiac physiological pacing guideline

The new guideline provides guidance on the use of cardiac resynchronization therapy and conduction system pacing in patients with indications for pacemakers or heart failure. The authors emphasize the importance of shared decision-making between providers and patients, and highlight areas for future research.

SourceElsevier·JournalHeart Rhythm·TypeMeta-analysis·DateMay 20, 2023
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.

Study reveals the persistent effects of corruption on trust and voting

A recent study by Bocconi University found that corruption can have a long-lasting effect on trust in democratic institutions. First-time voters who experienced the Mani Pulite investigation in 1994 were more likely to vote for populist parties and express lower institutional trust even 20 years later. The study highlights the need to ...

SourceBocconi University·JournalThe Journal of Politics·DateMay 19, 2023

A recent investigation led by the CSIC successfully maps the shallow seabed of the Mediterranean coast using satellite images

Researchers from CSIC successfully mapped Cala Millor's shallow seabed in the Mediterranean using satellite images, highlighting the potential of this methodology in diverse ecosystems. This study contributes to improved coastal monitoring and adaptation measures against global change.

SourceSpanish National Research Council (CSIC)·JournalInternational Journal of Applied Earth Observation and Geoinformation·DateMay 19, 2023
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.

New analysis of critical limb-ischemia patients places best-cli trial into context within real-world setting

A new analysis of chronic limb-threatening ischemia (CLTI) treatment outcomes found that surgical revascularization is superior to endovascular treatment in patients with higher comorbidities. The study analyzed a broader clinical population than the BEST-CLI trial and found similar outcome rates for Medicare beneficiaries.

SourceSociety for Cardiovascular Angiography and Interventions·DateMay 19, 2023

Pollinators are attracted to humidity, not just scent

A recent study published in Current Biology found that humidity plays a crucial role in attracting pollinators to plants, alongside scent. The researchers discovered that the weevil responsible for pollinating Zamia furfuracea was equally sensitive to humidity as to scent.

SourceCornell University·JournalCurrent Biology·DateMay 19, 2023
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.

A toddler’s gut bacteria predict whether they will be overweight at 5 years old

A new study found that the gut microbiota of toddlers at 3.5 years old is predictive of body mass index (BMI) at age 5, with certain types of bacteria associated with a higher or lower risk of obesity. The research also suggests that changes in the gut microbiota begin in early childhood and can influence weight gain later in life.

SourceEuropean Association for the Study of Obesity·DateMay 19, 2023

Room-temperature, solid-state synthesis of high-quality Cs3Cu2I5 thin films

Researchers at Tokyo Institute of Technology have successfully synthesized high-quality Cs3Cu2I5 thin films using a novel solid-state synthesis method. The team discovered that depositing CuI and CsI layers in specific ratios results in distinct local structures containing point defects, leading to highly efficient emissions.

SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·TypeExperimental study·DateMay 19, 2023
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.

New research finds mechanism that regulates PTSD in the female brain

Researchers discovered a specific form of ubiquitin protein selectively involved in forming fear memories in female brains, providing a potential target for therapeutic treatments. The finding could lead to more effective treatment options for post-traumatic stress disorder (PTSD) in females.

SourceVirginia Tech·JournalMolecular Psychiatry·DateMay 19, 2023

Puppeteer fungus’ targeted takeover of zombie flies

A recent study by Carolyn Elya reveals the molecular mechanisms behind summiting behavior in infected fruit flies. The researchers discovered that hormonal axes mediate this behavior, and that fungal cells invade the fly's brains during summiting.

SourceHarvard University, Department of Organismic and Evolutionary Biology·JournaleLife·DateMay 19, 2023

Even weak traffic noise has a negative impact on work performance

A laboratory study found that exposure to background traffic noise, even at 40 dB, significantly impairs concentration and perceived workload. Researchers also highlight the difficulties in avoiding high-frequency noise indoors due to reduced vehicle speeds.

SourceChalmers University of Technology·JournalInternational Journal of Environmental Research and Public Health·TypeExperimental study·DateMay 19, 2023
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.

Establishing Amazonian Morpho butterflies as a new eco-evolutionary model

Three Amazonian Morpho butterfly species have been sequenced for the first time, revealing genetic differences that maintain reproductive isolation despite sympatry. The study found Z-chromosome rearrangements and genetic divergence among gene copies, suggesting a role in speciation.

SourceGigaScience·JournalGigaScience·TypeData/statistical analysis·DateMay 19, 2023

High-quality 2D films could be one-drop away

Researchers at Nagoya University have developed a new technology to fabricate high-quality nanosheet films in about one minute. The method uses an automated film-forming process that produces neatly tiled monolayer films with no gaps between the nanosheets.

SourceNagoya University·JournalACS Applied Materials & Interfaces·DateMay 19, 2023
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.

Study finds cardiovascular risk score improves after one year of semaglutide use in patients with overweight and obesity

A study found that semaglutide use for one year decreases the 10-year atherosclerotic cardiovascular disease (ASCVD) risk score in patients with overweight or obesity. The treatment also leads to significant improvements in metabolic parameters, such as blood pressure, cholesterol, and fasting glucose levels.

SourceEuropean Association for the Study of Obesity·DateMay 19, 2023

Demystifying vortex rings in nuclear fusion, supernovae

A mathematical model developed by researchers at the University of Michigan could help engineers control the behavior of vortex rings in nuclear fusion and other applications. Vortex rings form during fuel compression and can disrupt the efficiency of fusion reactions. The model, which draws parallels with smoke rings, aims to understa...

SourceUniversity of Michigan·JournalPhysical Review Letters·DateMay 19, 2023

Influence of visual hindsight bias in mammogram reading

A study found that expert mammogram radiologists exhibit visual hindsight bias, leading to improved performance on blurry images after prior clear images were viewed. This bias can impact the detection of lesions and has implications for negligence lawsuits and patient outcomes.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Medical Imaging·DateMay 19, 2023
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.

This sustainable solution for removing phosphate and ammonium from wastewater promotes a circular economy

Researchers at University of Toronto Engineering have developed a sustainable solution to remove phosphate and ammonium from wastewater by utilizing advanced membranes incorporating inorganic particles. This method recovers these nutrients for future use, providing a new source of materials for agricultural fertilizers and helping addr...

SourceUniversity of Toronto Faculty of Applied Science & Engineering·JournalChemical Engineering Journal·DateMay 19, 2023

Novel gene-editing strategy leverages unusual genetic alteration to block HIV spread in cells

Scientists at Temple University have developed a novel gene-editing strategy that disrupts the ability of HIV-1 virus to enter host cells by targeting a rare genetic disorder. This approach may offer another target for developing next-generation CRISPR technology for HIV elimination, while avoiding adverse effects on cell mortality.

SourceTemple University Health System·JournalMolecular Therapy — Nucleic Acids·DateMay 19, 2023

Ancient climate change solves mystery of vanished South African lakes

A University of Leicester-led study suggests that ancient lakes existed in South Africa's interior during the last Ice Age, supporting hunter-gatherer communities. The research provides new insights into human migration patterns and ecosystem sensitivity to global climate change.

SourceUniversity of Leicester·JournalProceedings of the National Academy of Sciences·DateMay 19, 2023
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Rice, Baylor developing ‘glyco-immune’ checkpoint inhibitor

Researchers from Rice University and Baylor College of Medicine are developing a new 'glyco-immune' checkpoint inhibitor to train the immune system to target and kill breast cancer metastasis in bones. The therapy has shown promise in preliminary tests, including eradicating cancer in some animals.

SourceRice University·DateMay 19, 2023

Physical chemists develop photochromic active colloids shedding light on the development of new smart active materials

Researchers develop a novel wavelength-selective intelligent colloid system that achieves light-controlled multi-dimensional phase segregation, enabling the creation of programmable photochromic ink for various applications. The system relies on rearranging existing pigments rather than generating new chromophores.

SourceThe University of Hong Kong·JournalNature·TypeExperimental study·DateMay 19, 2023
Fluke 87V Industrial Digital Multimeter

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

Why do so many businesses fail? A new study suggests it has to do with when they're born

A new study suggests that a business's long-term success depends on its founding conditions, rather than changing market environments. Businesses founded in dynamic environments with functionally diverse teams tend to survive environmental change through slower decision-making and increased creativity.

SourceStrategic Management Society·JournalStrategic Entrepreneurship Journal·TypeData/statistical analysis·DateMay 19, 2023

New study shows noninvasive brain imaging can distinguish among hand gestures

A new study from UC San Diego shows that noninvasive brain imaging can distinguish among hand gestures with more than 85% accuracy. The research uses magnetoencephalography (MEG) to detect magnetic fields produced by neuronal electric currents, offering a safe and accurate option for developing brain-computer interfaces.

SourceUniversity of California - San Diego·JournalCerebral Cortex·TypeExperimental study·DateMay 19, 2023

NJ Medicaid reforms tied to increased use of opioid addiction treatment

New Jersey's Medicaid reforms led to a significant increase in buprenorphine prescriptions for opioid addiction treatment, outpacing national rates. The reforms reduced barriers to medication usage among poor patients, resulting in slower growth of overdose deaths nationwide.

SourceRutgers University·JournalJAMA Network Open·TypeData/statistical analysis·DateMay 19, 2023
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.

‘Electrifying’ achievement for making more sustainable polymers

Researchers at Flinders University have discovered a new way to make 'green' polymers from low-cost building blocks using just a small amount of electricity. The reaction is fast, occurs at room temperature, and can be recycled into its constituent building blocks in high yield.

SourceFlinders University·JournalJournal of the American Chemical Society·TypeExperimental study·DateMay 19, 2023
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.