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Science News Archive February 2025 - Page 20


Page 20 of 44

Don’t bin your blood

Australian Red Cross Lifeblood researchers surveyed over 4,000 people with haemochromatosis and found that their blood and plasma can be used to save lives. The study highlights the potential for these donors to increase blood supplies globally, particularly in countries accepting plasma donations from individuals with this condition.

SourceAustralian Red Cross Lifeblood·JournalTransfusion·TypeSurvey·DateFeb 18, 2025
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.

Benefits of taking a break from smartphones

Reducing smartphone use improves cognitive functioning, mental health, and wellbeing. Blocking internet access for two weeks resulted in significant improvements in sustained attention ability and symptoms of depression.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 18, 2025

Physically demanding work is not enough to stay healthy: Leisure-time physical activity is key for type 2 diabetes risk reduction

A new study highlights the importance of distinguishing between domains of physical activity. Researchers found that engaging in moderate to vigorous physical activity during leisure time reduces the risk of type 2 diabetes, while occupational physical activity has no similar benefits. The study's findings suggest that current WHO phys...

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateFeb 18, 2025

Einstein Probe catches X-ray odd couple

Scientists discovered a rare binary system consisting of a massive Be star and a compact white dwarf, with the Einstein Probe catching the X-ray signal from its initial flare-up to its fading away. The analysis revealed clues about the elements present in the exploding material, including nitrogen, oxygen, and neon.

SourceEuropean Space Agency·JournalThe Astrophysical Journal Letters·TypeObservational study·DateFeb 18, 2025

Coffee grounds and Reishi mushroom spores can be 3D printed into a compostable alternative to plastics

A team of researchers at the University of Washington has developed a novel method for 3D printing objects using a mixture of coffee grounds, brown rice flour, and Reishi mushroom spores. The resulting material is compostable, lightweight, and strong, with a density similar to that of polystyrene foam.

SourceUniversity of Washington·Journal3D Printing and Additive Manufacturing·DateFeb 18, 2025
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.

A newly discovered mechanism rejuvenates aging cells

A newly discovered mechanism has identified a key protein, AP2A1, that toggles between 'young' and 'old' cell states. By suppressing AP2A1 in older cells, researchers were able to reverse senescence and promote cellular rejuvenation. This breakthrough may lead to new treatment targets for diseases associated with old age.

SourceOsaka University·JournalCellular Signalling·TypeExperimental study·DateFeb 18, 2025

Biodiversity in England’s rivers improved as metal pollution reduced

A study found that reductions in zinc and copper pollution led to improvements in freshwater biodiversity in England's rivers. The researchers used statistical modeling to investigate various factors contributing to the decline in metal pollution.

SourceUK Centre for Ecology & Hydrology·JournalEnvironmental Science & Technology·TypeData/statistical analysis·DateFeb 18, 2025

Use of child sexual abuse material is often associated with other forms of violence – researchers gathered unique data from users of child sexual abuse material on the dark web

A recent study found that individuals charged with sexual offenses against adults are at high risk of committing crimes against children, with up to 40% reporting interest in violent acts against minors. The study also identified effective prevention methods and a model of peer support for parents of child victims.

SourceUniversity of Eastern Finland·JournalChild Abuse & Neglect·DateFeb 18, 2025
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.

Research shows how sellers and buyers can get better deals in eBay ‘best offer’ bargaining

Researchers found that eBay sellers who respond slowly to buyer offers may be signaling they are close to accepting the price. Buyers, on the other hand, are discouraged by slow responses and less likely to make counteroffers. By taking a slow response as a positive sign, buyers can potentially get better deals.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2025
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.

Plastic bottles easier to recycle with new degradable glue

A new polymer adhesive has been developed that can be removed from plastic surfaces with basic or alkaline solutions, improving the quality of recycled plastic. This breakthrough could transform how waste is handled across industries by making it easier to separate different materials during recycling.

SourceUniversity of Reading·JournalMacromolecules·TypeObservational study·DateFeb 18, 2025

Eyepiece optics enabled by ultra-flat metasurfaces

Researchers have designed and demonstrated a large aperture, wide field of view eyepiece based on meta-optics, addressing challenges in miniaturizing and enhancing imaging systems. The doublet system employing two layers of meta-optics achieves high-quality imaging up to 60° full field of view.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateFeb 18, 2025

Transforming HIV diagnosis: a low-cost, point-of-care detection solution

A new low-cost handheld device combines paper-based sample preparation with real-time isothermal amplification for rapid and accurate HIV diagnosis. The device offers high sensitivity, portability, and simplicity, making it an ideal tool for resource-limited settings.

SourceAerospace Information Research Institute, Chinese Academy of Sciences·JournalMicrosystems & Nanoengineering·DateFeb 18, 2025
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.

Landmark study of Chagas disease in Paraguay supports use of rapid tests to improve access to diagnosis

A landmark study led by ISGlobal found that combining rapid diagnostic tests with conventional serology improves access to diagnosis for Chagas disease. The prevalence of Chagas is six times higher in an indigenous community in Paraguay compared to the capital.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalPLOS Neglected Tropical Diseases·TypeObservational study·DateFeb 18, 2025

Bettens studying schoolhouse interrogations & confessions

A George Mason University doctoral student, Talley Bettens, is conducting two studies to investigate interrogation practices and perceptions of student confessions. Funding from the National Institute of Justice supports her research, which aims to improve understanding of these critical issues in education.

SourceGeorge Mason University·DateFeb 18, 2025
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.

Sweet molasses feed key to understanding grazing behavior in cattle

A study published in Scientific Reports found that cows with certain personalities tend to graze more widely or stick close to the herd. Researchers used sweet molasses feed to induce grazing behaviors, revealing insights into optimal cattle distribution and nutrition.

SourceUniversity of California - Davis·JournalScientific Reports·TypeExperimental study·DateFeb 18, 2025

Study by Montana State ecologist finds eastern monarch butterflies delaying fall migration

Research by Montana State University ecologist Diane Debinski found that eastern monarch butterflies are delaying their fall migration, staying in the field for nine days longer than they did in 2003. This delay was linked to a similar shift in the timing of milkweed blooming, which could have implications for population dynamics and v...

SourceMontana State University·JournalJournal of Animal Ecology·TypeExperimental study·DateFeb 18, 2025
Apple iPhone 17 Pro

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

Skeletal health unraveled: the critical role of LRP1

A deficiency of LRP1 in skeletal progenitor cells leads to severe and lasting skeletal defects, including joint fusion and impaired mobility. LRP1 regulates the non-canonical Wnt/planar cell polarity pathway, essential for proper bone formation.

SourceMaximum Academic Press·JournalBone Research·DateFeb 18, 2025

Americans willing to pay nearly $100 billion to reduce gun violence

A new study finds Americans are willing to pay nearly $100 billion for policies that reduce gun violence by 20%. The research, conducted by Duke University and the University of Chicago, shows widespread support from all demographics for stronger intervention. With a national WTP estimate of $97.6 billion, Americans are willing to inve...

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeSurvey·DateFeb 18, 2025
Fluke 87V Industrial Digital Multimeter

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

Geo3DTouch: Getting in touch with the data

Researchers at the University of Konstanz have developed tactile learning materials that allow students to explore mathematical concepts and scientific data using touch. The project, Geo3DTouch, aims to create inclusive access to education for people with sight impairments by providing 3D printed prototypes and detailed instructions.

SourceUniversity of Konstanz·DateFeb 18, 2025

Sunscreen's potential impact on marine life needs urgent investigation

New study highlights significant gaps in understanding how sunscreens affect marine ecosystems, with chemicals entering the environment through various pathways. Researchers emphasize the need for comprehensive studies to understand the effects of UV filters on marine life and potential risks to human health.

SourceUniversity of Plymouth·JournalMarine Pollution Bulletin·TypeLiterature review·DateFeb 18, 2025
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.

Scientists unlock one of the toughest biomaterials and discovers clues to pollen’s expiration date

Researchers at Umea University discovered a way to break open protective walls of pollen grains without damaging the inside cell and its components. The study found that essential proteins for maintaining energy production were absent from mitochondria, potentially explaining why pollen grains have limited lifetimes.

SourceUmea University·JournalCurrent Biology·TypeExperimental study·DateFeb 18, 2025

HonorHealth Research Institute taps leading anti-cancer drug development expert to head its new Center for Translational Science

Dr. Sunil Sharma, a renowned expert in creating anti-cancer drugs, has been named director of HonorHealth Research Institute's new Center for Translational Science. He will lead the development of grants, education, and collaborations to translate basic scientific discoveries into advanced treatments.

SourceHonorHealth Research Institute·TypeNews article·DateFeb 18, 2025
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.

Pusan National University researchers develop self-protecting nanoparticles for effective treatment of colorectal cancer

Researchers at Pusan National University have developed a novel drug delivery system that uses nanoparticles to target and kill colorectal cancer cells. The system, which involves encapsulating cancer cell-activated nanoconjugates in an alginate matrix, can selectively deliver drugs to tumor cells while minimizing side effects.

SourcePusan National University·JournalChemical Engineering Journal·TypeExperimental study·DateFeb 18, 2025

WPI researchers to develop robotic arm for wheelchairs

Researchers at Worcester Polytechnic Institute are developing a lightweight, flexible robotic arm that enables wheelchair users to safely grasp and carry objects out of reach. The project builds on origami-inspired designs and novel fabrication methods for modules made of lightweight plastics, 3D printed components, and sensors.

SourceWorcester Polytechnic Institute·DateFeb 18, 2025

Peristaltic pump flow induces amyloid formation

Researchers from Osaka University found that peristaltic pump action promotes amyloid nucleation in supersaturated fluids, including blood and cerebrospinal fluid. High shear stress caused by the pumping motion mechanically breaks supersaturation to induce amyloid formation.

SourceOsaka University·Journalnpj Biosensing·TypeExperimental study·DateFeb 18, 2025

Kahramanmaraş earthquake study showcases potential slip rate errors

Researchers used Synthetic Aperture Radar satellites to quantify off-fault damage and surface displacement caused by the two 2023 earthquakes. The study suggests that off-fault damage can reach up to five kilometers from the fault, contradicting previous estimates.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalNature Communications·DateFeb 18, 2025
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.

Intelligent purification of natural resource element change polygons driven by remote sensing spatiotemporal knowledge graphs

A novel method has been proposed for purifying natural resource element change polygons, reducing false alarms by 95.37% while maintaining high recall rates. The method combines multi-source data integration with spatiotemporal knowledge graphs to improve automation and efficiency in natural resource monitoring.

SourceBeijing Zhongke Journal Publising Co. Ltd.·DateFeb 18, 2025

Multiple sclerosis: Cell-catching implant helps identify successful treatment in mice

A new sponge-like implant helps guide a treatment that slows or stops a degenerative condition similar to multiple sclerosis. The implant attracted diseased immune cells, enabling researchers to study and target them with a nanoparticle-based treatment, which prevented mice from developing symptoms such as paralysis if administered early.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2025

New X-ray experiment could solve major physics puzzles

Scientists use European X-ray Free Electron Laser to detect axions, which could provide evidence for new physics beyond Standard Model. The experiment sets stage for future searches in milli- to kilo-electron volt mass range.

SourceUniversity of Oxford·JournalPhysical Review Letters·DateFeb 18, 2025

Machine learning maps animal feeding operations to improve sustainability

Researchers developed a machine learning model that predicts the presence of animal feeding operations with high accuracy, filling a data gap crucial for managing their environmental impacts. The model uses predictors such as surface temperature and phosphorus levels to identify locations without relying on aerial images.

SourceUniversity of Arkansas System Division of Agriculture·JournalScience of The Total Environment·DateFeb 18, 2025
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.

Scientists identify fifteen key motives driving human behavior

Researchers identified 15 key motives driving human behavior, grouped into five broad categories: environmental, physiological, reproductive, psychological, and social. The study found functional relationships between motives, contributing to a deeper understanding of motivational structures.

SourceNational Research University Higher School of Economics·TypeData/statistical analysis·DateFeb 18, 2025

Social media posts and transformer-based models for early detection of heat stroke

A team of researchers from Sophia University demonstrated the potential of combining social media posts and transformer-based learning models to detect heat stroke risks. The study found that a Japanese model called LUKE achieved high accuracy, suggesting its viability in monitoring heat stroke risks during heat waves.

SourceSophia University·JournalScientific Journal·TypeExperimental study·DateFeb 18, 2025

Five NYU faculty win Sloan Foundation research fellowships

Five NYU faculty members have been awarded Sloan Foundation fellowships for their research in inflation dynamics, antibiotics, molecular assembly, geometric interactions, and robotics. The fellowship recognizes exceptional researchers making significant contributions to their fields.

SourceNew York University·DateFeb 18, 2025
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.

Biomedicine shows the way to future food crops

University of Queensland researchers have successfully introduced genetic material into plants via their roots using nanoparticle technology, enabling rapid crop improvement. This innovative approach could lead to the development of new crop varieties with improved yield and quality without traditional breeding methods.

SourceUniversity of Queensland·JournalNature Plants·TypeExperimental study·DateFeb 18, 2025

Researchers develop AI model to automatically segment MRI images

Researchers developed a robust AI model that automates segmenting of MRI images, reducing radiologist workload and improving consistency. The TotalSegmentator MRI model achieved high performance on various anatomical structures, with a Dice score of 0.839.

SourceRadiological Society of North America·JournalRadiology·DateFeb 18, 2025