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Science News Archive November 2023 - Page 26


Page 26 of 40

International clinical trial finds that semaglutide reduced cardiovascular events by 20% in adults with overweight or obesity who don’t have diabetes

A recent clinical trial found that semaglutide significantly reduced cardiovascular events in adults with overweight or obesity who do not have diabetes. The medication was shown to lower the risk of death from cardiovascular causes, nonfatal heart attacks, and strokes by 20% compared to placebo.

SourceCleveland Clinic·JournalNew England Journal of Medicine·DateNov 11, 2023

Key clues to DNA repair mechanism might lead to new cancer treatments

Researchers identified key factors in DNA repair, revealing the 'proofreading' portion of polymerase epsilon helps prevent strand breakage. This knowledge arms scientists with ways to enhance anti-cancer drug effectiveness and develop new diagnostic methods.

SourceTokyo Metropolitan University·JournalNucleic Acids Research·DateNov 11, 2023

Cut salt, cut blood pressure

A new study from Northwestern University and Vanderbilt University Medical Center found that reducing sodium intake by just one teaspoon a day can lower systolic blood pressure by about 6 millimeters of mercury, comparable to the effect produced by commonly used first-line medication for high blood pressure. The study involved middle-a...

SourceNorthwestern University·JournalJAMA·TypeRandomized controlled/clinical trial·DateNov 11, 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.

Advances in predicting Alzheimer’s disease

New research identifies high-performance blood biomarkers for early screening and classification of Alzheimer's disease. The findings also reveal sex-based trajectory differences in disease progression, highlighting the importance of considering individual sex characteristics in diagnosis and treatment.

SourceSociety for Neuroscience·DateNov 11, 2023

New study finds coronary calcium scores highly effective in identifying heart disease in people without any known risk factors

A new study by Intermountain Health found that high levels of coronary calcium are common among people who have a heart attack but no known risk factors. The study suggests that scans to detect plaque buildup should be part of standard care for these patients, enabling early diagnosis and treatment.

SourceIntermountain Healthcare·TypeObservational study·DateNov 11, 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.

The brain’s response to a changing environment

Changes in a person's environment can have significant effects on the brain, with research finding associations between environmental pollutants and cortical thinning. The study also reveals the impact of childhood trauma and wildfire smoke exposure on adult brain health.

SourceSociety for Neuroscience·DateNov 11, 2023

Effect of dietary sodium on blood pressure

A study of 213 participants found that reducing dietary sodium significantly lowered blood pressure, with consistent results across subgroups. The decline in blood pressure was also not associated with excess adverse events.

SourceJAMA Network·JournalJAMA·DateNov 11, 2023
Apple iPhone 17 Pro

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

The AI edge: How new tools are advancing neuroscience

Researchers are using machine learning to analyze brain data, predicting outcomes and developing new treatments for major depressive disorder and Alzheimer's disease. The findings will be presented at Neuroscience 2023, the annual meeting of the Society for Neuroscience.

SourceSociety for Neuroscience·DateNov 11, 2023

The sleep debt epidemic: Memory problems and sex-specific effects

New research reveals that acute sleep deprivation causes sex-specific differences in gene regulation, while female resilience to sleep loss is linked to estradiol's modulation of sleep. The study also explores the role of dream sleep and its potential connection to cephalopods.

SourceSociety for Neuroscience·DateNov 11, 2023

Cut salt, cut blood pressure

A study from Vanderbilt University Medical Center found that reducing sodium intake by just one teaspoon a day can lower systolic blood pressure by about 6 millimeters of mercury. Most people, regardless of whether they are already on blood pressure medications or not, can see a reduction in their blood pressure if they lower the sodiu...

SourceVanderbilt University Medical Center·JournalJAMA·DateNov 11, 2023

New approach to pancreatic cancer treatment expands therapeutic possibilities, shows promise for increased survival

Researchers have discovered a promising new treatment option for pancreatic cancer, using polyinosine-polycytidylic acid (pIC) delivered directly into tumor cells. The approach suppresses tumor growth, induces cancer cell death, and enhances survival in animal models with the most common form of pancreatic cancer.

SourceVirginia Commonwealth University·JournalJournal for ImmunoTherapy of Cancer·DateNov 10, 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.

MSU researcher solves sperm mystery, providing insight on infertility

Researchers at MSU have solved the mystery of the cytoplasmic droplet (CD), a poorly understood sperm structure found in all mammals. The study reveals that the CD acts as a 'storage room' to pack up critical proteins needed for sperm function, and its formation is controlled by a novel protein trafficking system.

SourceMichigan State University·JournalNature Communications·DateNov 10, 2023

Genetic traces of the woolly rhinoceros – in the middle of southern Germany

Researchers from the University of Konstanz and Tübingen have found genetic evidence of a woolly rhinoceros's presence in southern Germany during the late Middle Palaeolithic period. The analysis of hyena coprolites reveals that the animals preyed on and consumed woolly rhinoceroses, providing insights into prehistoric ecosystems.

SourceUniversity of Konstanz·JournalBiology Letters·DateNov 10, 2023
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Ocean acidification in the Mediterranean is already affecting the calcification of marine plankton

A recent study found that ocean acidification in the Mediterranean is already affecting the calcification of marine plankton, with negative consequences for marine ecosystems. The research suggests that anthropogenic carbon dioxide emissions are the main driver of this decline, while ocean warming may be mitigating this effect.

SourceUniversitat Autonoma de Barcelona·JournalCommunications Earth & Environment·TypeExperimental study·DateNov 10, 2023

How mega-floods can be predicted

A new research project uses data from over 8,000 gauging stations across Europe to predict mega-floods, reducing the surprise factor of their occurrence. By considering hydrologically similar areas, flood disasters can be anticipated and mitigated, saving lives.

SourceVienna University of Technology·JournalNature Geoscience·TypeMeta-analysis·DateNov 10, 2023

Evidence of global impacts of individual extreme forest fires

Research reveals that smoke from individual extreme forest fires can lead to global impacts, influencing the energy balance of the atmosphere and global climate. The study found a significant temperature increase in upper air layers and weakening of lower stratospheric circulation.

SourceLeibniz Institute for Tropospheric Research (TROPOS)·JournalAtmospheric Chemistry and Physics·TypeCase study·DateNov 10, 2023
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Physical fitness since childhood predicts cerebellar volume in adolescence

A recent study published in Scandinavian Journal of Medicine and Science in Sports found that physical fitness since childhood is associated with increased cerebellar grey matter volume in adolescents. Those with better neuromuscular fitness had larger Crus I grey matter volume, while those with cardiorespiratory fitness had smaller to...

SourceUniversity of Eastern Finland·JournalScandinavian Journal of Medicine and Science in Sports·DateNov 10, 2023

Spread of drug resistant bacteria linked to patient hand contamination and antibiotic use within nursing homes

A U-M study links increased physical independence, gut microbiome disrupting antibiotics, and hand contamination to vancomycin-resistant enterococci (VRE) environmental contamination in nursing homes. The study suggests that reducing antibiotic use and improving hand hygiene could control VRE spread.

SourceMichigan Medicine - University of Michigan·JournalThe Lancet Healthy Longevity·DateNov 10, 2023

PCORI study: Telemedicine treatment for HCV in people with opioid use disorder was more than twice as successful as offsite referral

A PCORI-funded study found that telemedicine treatment for HCV in people with opioid use disorder was highly effective, with nearly 90% of participants cured. The approach also led to significant reductions in substance use and improved health outcomes, including increased employment and education status.

SourceUniversity at Buffalo·TypeRandomized controlled/clinical trial·DateNov 10, 2023

Scientists propose parallel planar heterojunction strategy for efficient solar cells

Researchers propose a parallel planar heterojunction strategy for high-efficiency solar cells using antimony trisulfide as an absorber, achieving an impressive 8.32% efficiency. The approach simplifies material selection and device preparation by enabling the sequential depositions of multiple layers.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalAngewandte Chemie International Edition·DateNov 10, 2023
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.

Yeast cells can produce drugs for treatment of psychotic disorders

Researchers successfully produced alstonine, a naturally occurring substance with potential for treating mental disorders, using genetically engineered yeast cells. The yeast platform has the potential to discover and develop plant-based medicines, including those for schizophrenia.

SourceTechnical University of Denmark·JournalNature Chemical Biology·DateNov 10, 2023

Low-intensity fires reduce wildfire risk by 60%, according to study by Columbia and Stanford researchers

Researchers at Stanford and Columbia universities found that low-intensity fires can dramatically reduce the risk of devastating wildfires for years at a time. By analyzing satellite data from over 100,000 square kilometers of California forests, the team showed that controlled burning can significantly decrease the risk of high-intens...

SourceStanford University·JournalScience Advances·DateNov 10, 2023

New work sheds light on inner working of cells

Researchers at CÚRAM have published a study revealing the interconnectedness of cellular components. The work uses SRS microscopy to track multiple cell processes simultaneously, offering insights into disease behavior and potential improvements in drug treatments.

SourceUniversity of Galway·JournalAngewandte Chemie·TypeNews article·DateNov 10, 2023

Effective communication boosts sales of solar systems

A recent study found that emphasizing financial benefits in advertising messages significantly increases demand for solar panels, with a 40% increase in customer queries. The research suggests that effective communication is a cost-effective and scalable method for promoting green technologies.

SourceLudwig-Maximilians-Universität München·JournalNature Communications·DateNov 10, 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.

Yucatán’s underwater caves host diverse microbial communities

Researchers constructed the most complete map yet of the microbial communities in Yucatán's underwater caves, revealing distinct patterns and a core set of organisms performing key roles. The study found that Comamonadaceae, a family of bacteria typically found in groundwater systems, lived in several niches across the cave system.

SourceNorthwestern University·JournalApplied and Environmental Microbiology·TypeExperimental study·DateNov 10, 2023

CNIC scientists identify the crucial role of the protein neuregulin-1 in heart development

Researchers at CNIC reveal the essential role of neuregulin-1 in transforming the delicate primordial heart structure into a powerful pumping organ. The study sheds light on the pathways of human heart formation and suggests new strategies for heart health and regenerative medicine.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalCirculation Research·TypeExperimental study·DateNov 10, 2023

A revolution in crystal structure prediction of pharmaceutical drugs

Experts have developed a reliable method to predict the free energy of crystals, addressing the challenge of understanding physical properties and environmental factors. The new approach uses high-performance computing and has been successfully applied to seven pharmaceutical companies.

SourceUniversity of Luxembourg·JournalNature·DateNov 10, 2023
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Scientists found hundreds of toxic chemicals in recycled plastics

A recent study published in ScienceDirect found hundreds of toxic chemicals in recycled plastic pellets from 13 countries. The findings highlight the risks associated with recycling plastics and the need to phase out harmful chemicals. The researchers urge policymakers to take action to limit hazardous chemicals in plastics.

SourceUniversity of Gothenburg·JournalData in Brief·TypeExperimental study·DateNov 10, 2023

A closer look at rebel T cells

Scientists at the La Jolla Institute for Immunology have uncovered a group of T cells known as mucosal-associated invariant T (MAIT) cells. These cells can recognize the same markers whether they come from humans or mice, opening up new possibilities for treating infectious diseases and improving cancer immunotherapies. The study also ...

SourceLa Jolla Institute for Immunology·JournalScience Immunology·TypeExperimental study·DateNov 10, 2023

UTHealth Houston partners with Mexican organizations for $5 million NIH grant to improve implementation of cancer control interventions in Mexico and Latin America

The UTHealth Houston Institute for Implementation Science has received a five-year, $5 million grant from the National Cancer Institute to support research and training in implementation science. Researchers will focus on improving cancer control efforts in Mexico and Latin America.

SourceUniversity of Texas Health Science Center at Houston·DateNov 10, 2023

Leading cardiologists reveal new heart disease risk calculator

A new risk calculator estimates a person's risk for cardiovascular disease (CVD) over the next 30 years by combining measures of cardiovascular, kidney, and metabolic health. The PREVENT risk calculator uniquely quantifies risks for CVD for each biological sex, without including race as a factor.

SourceAmerican Heart Association·JournalCirculation·DateNov 10, 2023
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Stable and efficient robotic artificial muscles built upon new material combinations

Researchers have developed a system that enables accurate force measurement in soft material-based actuators, allowing for arbitrarily long periods of constant force. The new material combinations reduce energy consumption by up to thousandfold, enabling the creation of low-cost and high-performance solutions for assistive devices and ...

SourceUniversità di Trento·JournalNature Electronics·TypeExperimental study·DateNov 10, 2023

Designing cities for 21st-century weather

Researchers found that well-designed urban land patterns can moderate or even reduce population exposures to weather extremes, regardless of city size. Properly designed cities can generate a meaningful reduction in the increase in risks from climate change.

SourceUniversity of Delaware·JournalNature Communications·DateNov 10, 2023

Researchers adapt health system COVID-19 collaboration to track near-real-time trends in visits for substance use

Researchers adapted a COVID-19 collaboration to monitor near-real-time trends in substance use-related hospital and emergency department visits. Detailed data shows large increases in methamphetamine- and opioid-involved hospital and ED visits among Native American, Black, and multiple-race populations.

SourceHennepin Healthcare Research Institute·JournalHealth Affairs·TypeData/statistical analysis·DateNov 10, 2023
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.

University of Minnesota Medical School researchers investigate cause of cardiomyopathy in coronary artery disease using cardiac MRI

A recent study published in Circulation found that non-ischemic or dual cardiomyopathy occurs in 1 out of every 6 patients with coronary artery disease. These conditions are characterized by heart muscle damage and can lead to worse long-term outcomes. The researchers used cardiac MRI to determine the cause of cardiomyopathy, which has...

SourceUniversity of Minnesota Medical School·JournalCirculation·TypeRandomized controlled/clinical trial·DateNov 10, 2023

Are consumers ready for robots to show up at their doorstep?

A Northwestern University study found that consumers are more willing to accept automated vehicle delivery than drones or robots as a substitute for human drivers. However, tech-savvy consumers and those who prioritize speed and efficiency are more accepting of these technologies.

SourceNorthwestern University·JournalScientific Reports·DateNov 10, 2023
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.

Want higher graduation rates? New study shows public spending on families is key

A new study found that public spending on social safety net programs and education independently affects high school graduation rates. The researchers discovered that investing in these areas results in a positive impact, with higher spending associated with higher graduation rates for historically underserved student groups. By analyz...

SourceMichigan State University·JournalJournal of Adolescent Health·DateNov 10, 2023

Unlocking the secrets of spin with high-harmonic probes

Researchers controlled spin dynamics in a Heusler compound using extreme ultraviolet high-harmonic probes, enabling precise manipulation of magnetic behavior and potential for redefining electronics and data storage. The study's results matched theoretical models, offering insights into spintronics and its applications.

SourceUniversity of Colorado at Boulder·JournalScience Advances·DateNov 10, 2023

New cooling ceramic can enhance energy efficiency for the construction sector and help combat global warming—City University of Hong Kong research

Researchers at City University of Hong Kong have developed a passive radiative cooling material that achieves high-performance optical properties. The cooling ceramic reduces thermal load, provides stable cooling performance, and can be used in various building applications.

SourceCity University of Hong Kong·JournalScience·TypeExperimental study·DateNov 10, 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.

AI recognizes faces but not like the human brain

A recent study published in the Proceedings of the National Academy of Sciences found that AI's deep convolutional neural networks can identify faces but struggle to capture other important information like emotional state and trustworthiness. Brain activity scans revealed a weak correlation between AI's codes and human brain represent...

SourceDartmouth College·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 10, 2023

Northern peatlands are still expanding

A new study has found that northern peatlands have accelerated in expansion over the past 1,500 years, with an average growth rate of approximately one centimeter per year. This increase in peatland area is significant for carbon sequestration and storing ecosystems.

SourceUniversity of Helsinki·JournalGlobal Change Biology·DateNov 10, 2023