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Science News Archive 2025 - Page 432


Page 432 of 574

Understanding bias and discrimination in AI: Why sociolinguistics holds the key to better Large Language Models and a fairer world

A new study aims to address bias and discrimination in AI by leveraging sociolinguistics. By incorporating diverse dialects, registers, and periods of language into training data, researchers can improve the performance of large language models, making them more accurate and reliable. This approach also promotes ethical and socially aw...

SourceUniversity of Birmingham·JournalFrontiers in Artificial Intelligence·TypeData/statistical analysis·DateJan 13, 2025

Picking the right doctor? AI could help

A machine learning algorithm developed by researchers at the University of Texas at Austin can assess experts' decision-making quality, including doctors. This innovation has the potential to improve patient outcomes and lower costs by selecting doctors based on their accurate diagnosis rates.

SourceUniversity of Texas at Austin·JournalManagement Science·DateJan 13, 2025

New study links home temperature to cognitive function in older adults

A groundbreaking study has identified a significant relationship between indoor temperatures and cognitive performance in older adults, with findings suggesting that even current climate conditions are placing older adults at risk. The study found that older adults reported the least difficulty maintaining attention when their home tem...

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalThe Journals of Gerontology Series A·TypeObservational study·DateJan 13, 2025

Wind turbines impair the access of bats to water bodies in agricultural landscapes

The study found that wind turbines hinder the ability of bat species to access drinking sites, particularly during hot and dry summers. This can lead to reduced survival rates among female bats and their young, highlighting the need for careful consideration in wind turbine siting to avoid conflicting with species conservation.

SourceLeibniz Institute for Zoo and Wildlife Research (IZW)·JournalBiological Conservation·TypeData/statistical analysis·DateJan 13, 2025

COVID-19 vaccine developed at University of São Paulo presents promising results in animal trials

Researchers at the University of São Paulo's Medical School have developed a COVID-19 vaccine using virus-like particles (VLPs), which proved highly protective, safe, and versatile in animal trials. The vaccine can be easily updated to combat variants of concern without requiring an adjuvant.

Metabolomics-driven approaches for identifying therapeutic targets in drug discovery

The article reviews metabolomics-driven approaches for identifying therapeutic targets in drug discovery, highlighting the challenges and limitations of current methods. Emerging technologies like single-cell metabolomics, artificial intelligence, and mass spectrometry imaging are explored to enhance target discovery.

New study unveils breakthrough in understanding cosmic particle accelerators

Scientists have come closer to understanding the acceleration of electrons in collisionless shock environments. A new study using satellite observations from NASA's MMS and THEMIS/ARTEMIS missions found that electrons can be accelerated to high energies through the interaction of multiple processes across different scales.

SourceNorthumbria University·JournalNature Communications·TypeData/statistical analysis·DateJan 13, 2025

Team makes sustainable aviation fuel additive from recycled polystyrene

A team of researchers has created an additive that can improve the functional characteristics of sustainable aviation fuels by adding aromatic hydrocarbons. The additive is made from recycled polystyrene and has been shown to perform almost as well as ethylbenzene derived from fossil fuels.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalACS Sustainable Chemistry & Engineering·TypeExperimental study·DateJan 13, 2025

Applications of ultrafast nano-spectroscopy and nano-imaging

Ultrafast nano-spectroscopy and nano-imaging enable atomic-scale spatial and femtosecond-level temporal resolutions, allowing for the direct observation of fleeting quantum states and complex phenomena. This breakthrough permits real-time exploration of ultrafast interaction processes with unprecedented insights into material properties.

Sodium-ion batteries need breakthroughs to compete

Despite potential advantages, sodium-ion batteries struggle to match lithium-ion batteries in terms of energy density and cost. Researchers identify key areas for improvement, including increasing energy densities without critical minerals and developing new battery chemistries.

SourceStanford University·JournalNature Energy·TypeSystematic review·DateJan 13, 2025

Study examines differences in strength by position among football players

A new study from the University of Kansas found significant differences in muscular power and strength among different football positions, with linemen having more body mass and quarterbacks having higher peak force. The research suggests position-specific training could optimize athletic performance.

SourceUniversity of Kansas·JournalJournal of Functional Morphology and Kinesiology·TypeObservational study·DateJan 13, 2025

How does the brain encode pain? Scientists uncover neuronal mechanisms of pain intensity encoding

Researchers have identified parvalbumin interneurons as the key players in encoding pain intensity and driving gamma oscillations. The findings suggest PV interneurons in S1 as a promising target for therapeutic interventions to treat chronic pain, providing new insights into nociceptive processing and its relationship with GBOs.

Manure management in China cuts river antibiotic pollution but raises groundwater contamination risks

A recent study found a 59% decrease in river antibiotic pollution due to improved manure recycling and reduced direct discharge. However, this reduction came with an unintended consequence: increased antibiotic leaching into groundwater by 15%, mainly from expanded manure use as fertilizer.

SourceEurasia Academic Publishing Group·JournalEnvironmental Science and Ecotechnology·TypeObservational study·DateJan 13, 2025

NIH-funded study finds cases of ME/CFS increase following SARS-CoV-2

The NIH-funded RECOVER Initiative study reveals a significant association between SARS-CoV-2 infection and an increased incidence of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), with 4.5% post-COVID participants meeting ME/CFS diagnostic criteria, compared to 0.6% non-infected participants.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalJournal of General Internal Medicine·TypeObservational study·DateJan 13, 2025

3D printing shines in overcoming headlight lens manufacturing challenges

Researchers used 3D printing to make headlight lenses, achieving exceptional precision and surface quality while reducing costs and production speeds. The study compared 3D printing with traditional methods like CNC machining and reverse engineering, finding that 3D printing outperformed them in efficiency and cost-effectiveness.

SourceOptica·JournalApplied Optics·DateJan 13, 2025

Powering the future: SeoulTech’s breakthrough in vibration energy harvesting

Researchers at SeoulNational University of Science & Technology propose two new designs for energy-efficient vibration energy harvesters that boost power output and efficiency. The designs use a repulsive magnet pair, yoke, and optimized coil placement to maximize magnetic flux change, leading to higher power generation.

SourceSeoul National University of Science & Technology·JournalJournal of Science Advanced Materials and Devices·TypeComputational simulation/modeling·DateJan 13, 2025

CNIO and CNIC research identifies a key protein for ‘burning’ fat

A new mechanism by which brown fat is converted into heat has been identified, revealing a potential target for treating obesity and related metabolic diseases. The MCJ protein plays a crucial role in this process, protecting against health problems associated with obesity such as diabetes and increased blood lipids.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalNature Communications·TypeExperimental study·DateJan 13, 2025

Travel distance to nearest lung cancer facility differs by racial and ethnic makeup of communities

A cross-sectional study found that American Indian/Alaska Native populations are significantly farther away from lung cancer screening centers than non-Hispanic White populations. The researchers recommend increasing access to lung cancer services through mobile units and imaging locations to address these disparities.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateJan 13, 2025

New research highlights trends in ADHD diagnoses

Research highlights differing trends in ADHD diagnoses among adolescents and adults, with a significant increase in adult diagnoses from 2020 to 2023. The study found a downward trend in ADHD incidence rates among both adults and adolescents between 2016 and 2020, but an upward trend among adults from 2020 to 2023.

SourceAmerican Psychiatric Association·JournalPsychiatric Research and Clinical Practice·TypeRandomized controlled/clinical trial·DateJan 13, 2025

Fabrication and high temperature electrical conductivity of polymer-derived SiHfBCN ceramic coating: A wireless surface acoustic wave sensor material?

Researchers developed polymer-derived SiHfBCN ceramic coating with excellent high-temperature conductivity and stability, suitable for wireless surface acoustic wave sensors. The coating's thickness remains consistent across different temperatures, indicating its stability in extreme environments.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateJan 13, 2025

World’s oldest 3D map discovered

Researchers have discovered a three-dimensional map within a quartzitic sandstone megaclast in the Paris Basin, created around 13,000 years ago. The miniature landscape model depicts natural water flows, valleys, and lakes, suggesting that early humans understood the importance of water flow and landscape features.

SourceUniversity of Adelaide·JournalOxford Journal of Archaeology·DateJan 13, 2025

Dr. Jennifer Jao named Co-Chair of International Maternal Pediatric and Adolescent AIDS Clinical Trials (IMPAACT) Network

Dr. Jennifer Jao has been selected as Co-Chair of the International Maternal Pediatric and Adolescent AIDS Clinical Trials (IMPAACT) Network to guide critical work in improving HIV health outcomes globally. Dr. Jao's research focuses on pregnant individuals, children, and adolescents with perinatally acquired HIV.

Previous experience affects family planning decisions of people with hereditary dementia

A new study led by UCL researchers reveals that people at risk of hereditary dementia significantly impact their choices about having children and parenting. Genetic risk is viewed in the context of other factors, with concerns including practical and emotional challenges of caring for someone with familial frontotemporal dementia.

SourceUniversity College London·JournalJournal of Genetic Counseling·TypeSurvey·DateJan 13, 2025

Breakthrough in Marine Ecosystem Modeling with Graph Neural Networks

Researchers developed a cutting-edge method leveraging Graph Neural Networks (GNNs) to predict mesozooplankton community dynamics and visualize their interactions. The study achieved remarkable improvements in forecasting accuracy by integrating inter-series relationships and temporal dependencies among input-variables.

SourceEurasia Academic Publishing Group·JournalEnvironmental Science and Ecotechnology·TypeObservational study·DateJan 13, 2025

Polygamy is (not) for the birds

Lekking, a mating system where males display for females without forming lasting bonds, is found to be remarkably stable and rarely evolves into other systems. In contrast, resource-defense polygamy is identified as fragile and frequently reverts to monogamy, often associated with higher extinction rates.

SourceRice University·JournalEvolution·DateJan 13, 2025