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Science News Archive May 2025 - Page 9


Page 9 of 50

Sleep aid blocks neurodegeneration in mice

Researchers found that lemborexant improves sleep patterns and reduces abnormal tau protein buildup, which causes inflammation and brain cell death. The study suggests lemborexant could help treat or prevent neurodegenerative diseases like Alzheimer's, progressive supranuclear palsy, and corticobasal syndrome.

SourceWashU Medicine·JournalNature Neuroscience·DateMay 27, 2025

Few diffusers and many bottlenecks: the French labor market according to statistical physics

A new study applies network analysis to large-scale data from the French labor market, identifying four main clusters: diffusers, channels, hubs, and condensers. Diffuser occupations offer wide exit opportunities but are hard to enter, while channels and hubs face accessibility issues.

SourceSissa Medialab·JournalJournal of Statistical Mechanics Theory and Experiment·TypeData/statistical analysis·DateMay 27, 2025

The ISSCR launches consortium to support adoption of stem cell-derived disease models for drug discovery and development

The ISSCR has assembled an international consortium to support the adoption of human stem cell-derived disease models for drug discovery and development. This initiative aims to reduce R&D costs and accelerate therapy development, aligning with efforts by regulatory bodies such as the FDA, NIH, and European Commission.

Joining the dots for better health surveillance

A team of researchers at KAUST has developed a powerful modeling approach to integrate spatially misaligned datasets, including air pollution prediction and disease mapping. The new model uses the Integrated Nested Laplace Approximation (INLA) framework to merge geographically inconsistent datasets, providing faster and more accurate p...

SourceKing Abdullah University of Science & Technology (KAUST)·JournalStochastic Environmental Research and Risk Assessment·DateMay 27, 2025

Boys who are overweight in their early teens risk passing on harmful epigenetic traits to future children

A new study reveals that boys who are overweight in their early teens risk damaging the genes of their future children, increasing the chances of developing asthma, obesity, and low lung function. The researchers identified epigenetic changes in over 2,000 sites in 1,962 genes linked to fat cell formation and lipid metabolism.

SourceThe University of Bergen·JournalCommunications Biology·DateMay 27, 2025

New method of measuring gravity with 3D velocities of wide binary stars is developed and confirms modified gravity at low acceleration

Astrophysicist Kyu-Hyun Chae develops a new method to measure gravity with 3D velocities of wide binary stars, confirming modified gravity at low acceleration. The results show that standard gravity is outside the 99.997% probability range for internal accelerations below 1 nm/s^2.

SourceSejong University·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateMay 27, 2025

AI aversion in social interactions

An experimental study found that humans are less likely to exhibit fairness, trust, and cooperation when interacting with a large language model (LLM) compared to another human. Participants in online games played with either a human or an LLM acting on behalf of another person showed reduced social behavior.

SourcePNAS Nexus·JournalPNAS Nexus·DateMay 27, 2025

Tip Sheet Summaries May/June 2025

A study of Ontario family physicians found that 19.2% worked in focused roles, with emergency medicine accounting for 37%, while comprehensive care declined despite a growing workforce. A second study identified opportunities for AI to improve primary care eVisits, highlighting staff and patient concerns and potential uses of AI.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMay 27, 2025

Sanitary towels morph into test strips

MenstruAI analyzes menstrual blood to detect disease biomarkers, offering an early warning system for women's health. The technology uses a paper-based test strip and smartphone app to analyze protein concentrations.

SourceETH Zurich·JournalAdvanced Science·TypeExperimental study·DateMay 27, 2025

A chip with natural blood vessels

Researchers at TU Wien have developed a method to create artificial blood vessels using ultrashort laser pulses, enabling the creation of mini organ models with precise control and reproducibility. The technology has been successfully applied to liver tissue models, resulting in improved metabolic activity and adequate nutrient supply.

SourceVienna University of Technology·JournalBiofabrication·DateMay 27, 2025

Study examines authorship inequities in global health research published in family medicine journals in high-income countries

A recent study analyzed journal articles from low- and middle-income countries published in family medicine journals based in high-income countries. The findings revealed an increase in publication of research articles from these regions, with a higher proportion of senior authors from upper-middle-income countries.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMay 27, 2025

Employees assigned more complex projects early in their work history had better outcomes later in their careers

A study by Carnegie Mellon University and the University of Kentucky found that employees assigned to more complex projects during their first two years had higher levels of learning, professional certifications, and promotion rates. This suggests that early career experiences play a crucial role in shaping future career development.

SourceCarnegie Mellon University·JournalAcademy of Management Journal·DateMay 27, 2025

Free-space terabit/s coherent optical links via platicon frequency microcombs

Researchers have developed a novel approach to achieve high-speed data transmission over long distances using platicon frequency microcombs. The technology demonstrates stable terabit/s coherent optical communication in free-space links, overcoming previous challenges such as beam stabilization and phase recovery. This breakthrough sup...

Cardiorespiratory function assessment and biometric recognition with intelligent photonic wristband

Researchers developed a wearable smart photonic wristband that assesses cardiorespiratory function and performs biometric identification, expanding personalized medicine applications. The device features an all-polymer sensing unit with high stability and durability, enabling continuous real-time monitoring of physiological information.

SourceOpto-Electronic Journals Group·JournalElectronics·DateMay 27, 2025

Preserving the past, protecting the future: Historic village water tanks provide a lifeline for amphibians

Researchers found that artificial water bodies, especially historic stone tanks, support a higher diversity of species compared to natural habitats. These structures serve as stable environments for vulnerable eggs and larvae, providing a lifeline for amphibian populations amidst climate change and land-use change.

New study: Teen drivers safer with more practice

A new study by Virginia Tech Transportation Institute found that teen drivers who practiced more had 30% fewer crash or near-crash incidents. Researchers analyzed data from 82 teen drivers monitored for 22 months, revealing that supervised driving experiences and safety education are crucial for reducing novice driver risks.

Sensing color cues to monitor coral health in the Red Sea

Researchers developed a remote sensing tool to monitor coral bleaching in the Red Sea, utilizing satellite imaging and analyzing changes in light reflection. The tool can accurately identify bleached corals, providing early warnings for conservation strategies, and supporting sustainable fisheries and tourism management.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalRemote Sensing in Ecology and Conservation·DateMay 27, 2025

USTC reveals how tidal forces affect seismic wave speed within fault zone

A USTC research team monitored seismic wave speeds in the Anninghe fault zone, finding distinct diurnal and semi-diurnal cycles that correlated with tidal forces. These periodic changes reflect the impact of tidal forces on the internal stress field of the fault zone, offering a new method for detecting earthquake precursors.

SourceUniversity of Science and Technology of China·JournalNational Science Review·DateMay 27, 2025

Is the ocean getting darker?

The global ocean has experienced a significant reduction in the depth of its photic zones, home to 90% of all marine life, leading to widespread ocean darkening. This change could have profound implications for the planet's marine species and ecosystem services.

SourceUniversity of Plymouth·JournalGlobal Change Biology·TypeImaging analysis·DateMay 27, 2025

MicroRNA-124-3p and brain-derived neurotrophic factor in rat spinal cord injury: Inverse expression pattern

This study investigated the correlation between miR-124-3p expression and BDNF levels in a rat model of spinal cord injury. The findings show a significant downregulation of miR-124-3p and upregulation of BDNF levels following SCI, suggesting a potential regulatory role of miR-124-3p in BDNF expression and SCI pathophysiology.

SourceXia & He Publishing Inc.·JournalGene Expression·DateMay 27, 2025

Hitting the right notes to play music by ear

The study identified four simple ways music learning technology can aid prospective musicians, including helping people improve recall while listening and replaying notes indefinitely. Researchers found that existing digital learning tools were not being used effectively by students despite their availability.

Where the green streets were: Tracking global urban vegetation

A new IIASA-led study uses satellite imagery and machine learning to monitor street-level greenery in cities worldwide. The results show a global decline of 0.3-0.5% per year, with sharper declines in Asia and Oceania. Uneven distribution raises concerns about fairness and access to green space.

SourceInternational Institute for Applied Systems Analysis·JournalEnvironmental Research Infrastructure and Sustainability·DateMay 27, 2025

Wilms tumors: How genes and imprinting pave the way for cancer

A study published in Genome Medicine has identified the underlying predisposition for Wilms' tumors, highlighting the role of mutations in tumor suppressor genes like WT1. The research also reveals a significant proportion of childhood kidney tumors have a hereditary component, with implications for genetic counseling and monitoring.

SourceUniversity of Würzburg·JournalGenome Medicine·TypeObservational study·DateMay 27, 2025

Mild breast tenderness and a little swelling before flow are expected in healthy ovulatory cycles

A one-year study of 53 healthy women with regular ovulatory cycles found that mild breast tenderness and swelling before menstruation are common and expected. The study suggests that these symptoms may occur more frequently during normal ovulation than previously thought, contradicting previous assumptions about premenstrual syndrome.

SourceUniversity of British Columbia·JournalPLOS One·TypeObservational study·DateMay 27, 2025

Space-to-ground infrared camouflage with radiative heat dissipation

Researchers developed a multilayer device with high absorptivity in H/K bands and low emissivity in MWIR/LWIR bands, while utilizing VLWIR for efficient radiative heat dissipation. The device successfully concealed thermal radiation and reflected signals, achieving significant temperature reductions.

Roadblock for traffic injury compensation for Aboriginal people

New research reveals complex challenges Aboriginal people face when seeking support after a road traffic injury, including lack of awareness and culturally insensitive systems. The study calls for a national overhaul of compensation and return-to-work programs centered on Indigenous knowledge and cultural determinants of health.

SourceFlinders University·JournalJournal of Transport & Health·TypeSurvey·DateMay 27, 2025