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Science News Archive February 2025 - Page 2


Page 2 of 44

A dictionary of fragrances

Scientists at Friedrich-Schiller-University Jena have developed data sets for the description and recording of odours, using over 1,200 test subjects to compile how people perceive, describe, and classify 74 monomolecular odour samples. The researchers aim to help solve the stimulus-percept problem in smell perception.

SourceFriedrich-Schiller-Universitaet Jena·JournalScientific Data·TypeRandomized controlled/clinical trial·DateFeb 28, 2025
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Relapsing polychondritis: Tracheobronchial involvement and differential diagnoses

Tracheobronchial involvement in relapsing polychondritis requires a multimodal approach for diagnosis and treatment. Key findings include the use of dynamic thoracic imaging and flexible bronchoscopy to assess lesions, as well as the development of immunosuppressant therapies such as TNF-α inhibitors to improve prognosis.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeLiterature review·DateFeb 28, 2025

Quantum computing “a marathon, not a sprint”

Monit Sharma, a 23-year-old Research Engineer at Singapore Management University, has been recognized for his work on quantum algorithms to solve real-world supply chain issues. His findings were published in top quantum conferences and validated the practical applicability of quantum computing.

SourceSingapore Management University·DateFeb 28, 2025

Development of 'transparent stretchable substrate' without image distortion could revolutionize next-generation displays

Researchers at KIST have developed a transparent, distortion-free, and non-deformable display substrate by reducing Poisson's ratio to 0.07 or less. The nanostructure-aligned substrate was found to have little longitudinal shrinkage, even when stretched by over 50%, resulting in unbroken images and transparency.

SourceNational Research Council of Science & Technology·JournalAdvanced Materials·DateFeb 28, 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.

Improving the scope of wearable monitors

Researchers aim to enhance wearable monitors' ability to accurately measure vital signs, tackling motion artefacts and posture challenges. A novel solution incorporating contact pressure into calculations shows promise in reconstructing distorted PPG waveforms.

SourceSingapore Management University·DateFeb 28, 2025

Drone captures narwhals using their tusks to explore, forage and play

Researchers capture narwhals using their tusks to investigate, manipulate and influence the behavior of Arctic char fish. The study reveals first evidence of likely play, social learning and personality differences among individual narwhal.

SourceFlorida Atlantic University·JournalFrontiers in Marine Science·TypeObservational study·DateFeb 28, 2025

Large population study identifies long-term health risks after COVID-19 hospitalization

A nationwide study found that COVID-19 hospital patients experienced a higher rate of deaths from any cause and were more likely to be hospitalized for specific conditions, particularly neurological and respiratory problems. The study also identified increased risks of chronic health complications up to 30 months after discharge.

SourceTaylor & Francis Group·JournalInfectious Diseases·TypeObservational study·DateFeb 28, 2025

Scientists examine neurobiology of pragmatic reasoning

Researchers used fMRI to investigate how the brain processes ambiguous messages, finding that more complex tasks engage multiple brain regions. The study reveals that understanding others' thoughts and emotions contributes to successful performance, with greater flexibility in reasoning.

SourceNational Research University Higher School of Economics·JournalNeuroImage·TypeExperimental study·DateFeb 27, 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.

The math behind social distancing: the rules that influence epidemic behavior

A research team identified simple rules governing decision-making during epidemics, which balance infection costs and social distancing. The guidelines predict population behavior based on disease reproduction number and infection cost, offering a new tool for governments to design intervention strategies.

SourceInstitute of Industrial Science, The University of Tokyo·JournalProceedings of the National Academy of Sciences·DateFeb 27, 2025

China's forests are absorbing carbon—but for how long?

A new study estimates China's natural forests will continue to capture carbon, but at a slowing rate. The research reveals significant regional differences in carbon storage potential, with younger forests showing the largest increase.

SourceTsinghua University Press·JournalForest Ecosystems·DateFeb 27, 2025

Precision engineering of peptides and proteins

Researchers have developed a palladium-mediated reaction to precisely modify peptides and proteins, overcoming challenges in bioconjugation. The method targets dehydroalanine-containing peptides and proteins, enabling efficient synthesis of structurally unique peptides.

SourceNational University of Singapore·JournalJournal of the American Chemical Society·TypeExperimental study·DateFeb 27, 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.

Characterization of auditory sensation in C. elegans

The study characterizes three key features of C. elegans auditory sensation: skin vibration, neuronal activation, and behavior. The research highlights the importance of the nAChR DES-2/DEG-3 receptor in auditory transduction.

SourceHigher Education Press·JournalBiophysics Reports·TypeExperimental study·DateFeb 27, 2025

Employee burnout can cost employers millions each year

A study published in the American Journal of Preventive Medicine estimates that employee burnout costs employers $5 million annually, with costs varying by employee type and stage. The research suggests that focusing on employee well-being can help decrease costs and increase profits.

SourceCUNY Graduate School of Public Health and Health Policy·JournalAmerican Journal of Preventive Medicine·DateFeb 27, 2025
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.

Progentos Therapeutics CEO Chris Loose named board member and chair of the Fellowship and Programs Council for Hertz Foundation

Chris Loose, Progentos Therapeutics CEO, is now chair of the Hertz Fellowship and Programs Council. He will oversee the selection process, administer awards, and facilitate connections among Hertz Fellows. The Hertz Foundation aims to empower innovative scientists and technologists through its prestigious fellowship program.

SourceFannie and John Hertz Foundation·DateFeb 27, 2025

Element relational graph-augmented multi-granularity contextualized encoding for document-level event role filler extraction

A novel method, ERGM, was proposed for document-level event role filler extraction. It substantially outperforms strong baseline models and effectively captures dependency relationships between different event roles. The explicit graph-structured representation generated by a graph neural network is key to its success.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateFeb 27, 2025

The cost of domestic violence to women's employment and education

A new report reveals that domestic violence significantly impedes women's employment and educational attainment, leading to a 9.4% employment gap and a 15% difference in university degree attainment rates. This results in lifetime earnings being up to 41% lower than their peers.

SourceUniversity of Technology Sydney·TypeData/statistical analysis·DateFeb 27, 2025

How the nervous system modulates pain signals

Researchers at Thomas Jefferson University discovered a specific molecular change that affects the strength of pain sensation by altering action potential duration. This finding offers a novel approach to alleviate clinically relevant pain conditions through boosting potassium channel function.

SourceThomas Jefferson University·JournalProceedings of the National Academy of Sciences·DateFeb 27, 2025
Apple iPhone 17 Pro

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

Burning question: How to save an old-growth forest in Tahoe

Researchers found that forest thinning followed by a prescribed burn can greatly improve the stand's resistance to catastrophic fire. This approach is crucial for conserving old-growth forests in seasonally dry regions, as it replicates the essential ecological roles of fire.

SourceUniversity of California - Davis·JournalFire·DateFeb 27, 2025

Roadway safety research, automated vehicle testing join forces at U-M

The University of Michigan is merging its transportation safety research with automated vehicle testing to improve roadway safety. The move marks the institution's 60th anniversary and includes Mcity, a public/private partnership test facility, to develop connected and automated vehicle technologies.

SourceUniversity of Michigan·DateFeb 27, 2025

Guidelines for the creation of accessible consent materials and procedures: Lessons from research with autistic people and people with intellectual disability

The article presents guidelines for designing consent materials and procedures for autistic adults and people with intellectual disability, highlighting the importance of multiple modes to deliver content. These guidelines aim to improve accessibility and respectfulness in research with individuals on the autism spectrum.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalAutism in Adulthood·TypeContent analysis·DateFeb 27, 2025

UAF scientist designing satellite to hunt small space debris

Researchers are developing a satellite capable of detecting small space debris as small as 1 centimeter in size, which can damage satellites and other spacecraft in low-Earth orbit. The system uses plasma disturbances to determine the distance and angle of approach to the debris.

SourceUniversity of Alaska Fairbanks·JournalPhysics of Plasmas·DateFeb 27, 2025
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.

Scientists rewrite the rules of swarming locusts

Researchers from the University of Konstanz challenged long-held hypotheses on collective motion in locust swarms, finding that sensory input and neural representations drive movement decisions. Contrary to previous assumptions, alignment with others is not responsible for coordinating collective motion.

SourceUniversity of Konstanz·JournalScience·DateFeb 27, 2025

How our lungs back up the bone marrow to make our blood

Researchers at UCSF have discovered that human lung tissue contains hematopoietic stem cells (HSCs) capable of producing red blood cells, platelets, and immune cells. The finding suggests the lungs could be a potent source for life-saving stem cell transplants, particularly for patients with leukemia.

SourceUniversity of California - San Francisco·JournalBlood·DateFeb 27, 2025

Fat transport deficiency explains rare childhood metabolic crises

Researchers discovered that TANGO2 plays a crucial role in transporting fatty acids into cells, which helps meet energy demands. Children with TANGO2 deficiency struggle to produce energy, leading to severe metabolic crises, highlighting the importance of understanding rare diseases for broader health applications.

SourceCenter for Genomic Regulation·JournalJournal of Cell Biology·TypeExperimental study·DateFeb 27, 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.

Self-driving cars learn to share road knowledge through digital word-of-mouth

Researchers develop system for self-driving vehicles to share AI models, allowing them to learn from each other's experiences even when they don't meet directly. The Cached Decentralized Federated Learning approach enables vehicles to train locally and share models with others, improving learning efficiency and adaptability.

SourceNYU Tandon School of Engineering·DateFeb 27, 2025
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.

Medicaid extension policies that cover all immigrants in a post-COVID world reduce inequities in postpartum insurance coverage

A new study found that Medicaid extension policies covering all immigrants led to a 4 percentage-point decrease in postpartum uninsurance among immigrant populations in New York City. However, Hispanic immigrants saw a smaller decline, highlighting awareness gaps as a barrier to full benefit.

SourceColumbia University's Mailman School of Public Health·JournalAmerican Journal of Public Health·DateFeb 27, 2025

New 4D Brain Map reveals potential early warning signs of multiple sclerosis

Researchers at the National Institutes of Health (NIH) have created a four-dimensional brain map that reveals how lesions similar to those seen in human MS form. The findings provide insight into early disease state changes and could help identify potential targets for MS treatments and brain tissue repair.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalScience·DateFeb 27, 2025

Innate immune training aggravates inflammatory bone loss

Researchers found that training the innate immune system can exacerbate inflammatory bone loss in models of chronic diseases like periodontitis and arthritis. The study suggests that a previously thought beneficial effect of trained immunity may actually contribute to harm in certain contexts.

SourceUniversity of Pennsylvania·JournalDevelopmental Cell·TypeExperimental study·DateFeb 27, 2025

Columbia’s Public Health School launches Climate & Health Center

The Center for Achieving Resilience in Climate and Health (C-ARCH) will identify ways to build resilience, design evidence-based solutions, and train scientists to lead the response. C-ARCH aims to address the devastating health impacts of climate change worldwide.

SourceColumbia University's Mailman School of Public Health·DateFeb 27, 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.

Why scientific results vary

A study published in BMC Biology found that different scientists working with the same datasets can arrive at vastly different results, emphasizing the importance of transparent analysis methods. The findings raise fundamental questions about reproducibility and reliability in scientific results.

SourceBielefeld University·JournalBMC Biology·TypeData/statistical analysis·DateFeb 27, 2025

New ocelot chip makes strides in quantum computing

Researchers at AWS and Caltech developed a new cat qubit chip, called Ocelot, to suppress errors in quantum computers. The chip uses superconducting circuits to create stable qubits resistant to bit-flip errors.

SourceCalifornia Institute of Technology·JournalNature·DateFeb 27, 2025

Genome-based phylogeny resolves complicated Molluscan family tree

A comprehensive phylogeny of living Mollusca resolves complicated relationships among eight classes, including bivalves and cephalopods. The study supports a Cambrian origin for Mollusca, with key clades Aculifera and Conchifera emerging rapidly.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateFeb 27, 2025
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.

Swarm-intelligence collaboration based regular scheduling and dynamic rescheduling of precast component production: in prefabricated building project management

Researchers propose a swarm-intelligence collaboration to optimize precast component production scheduling and rescheduling. The approach uses dynamic-interval synergy auctions and weighted Tchebycheff approaches to generate optimal schemes, improving management efficiency and reducing costs in prefabricated building project management.

SourceELSP·JournalSmart Construction·TypeComputational simulation/modeling·DateFeb 27, 2025

Quantum interference in molecule-surface collisions

Researchers have developed a method to observe quantum interference in surface collisions of methane molecules, revealing clear patterns of wave-like behavior that amplify or cancel out different pathways. This discovery confirms the active role of quantum mechanics in controlling molecular interactions at surfaces.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScience·DateFeb 27, 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.

DNA barcodes narrow down possible sources of introductions of an invasive banana skipper butterfly pest

Researchers used DNA barcodes to narrow down the possible sources of introductions of an invasive banana skipper butterfly, finding evidence of aircraft-borne introductions in Japan and potentially in Mauritius. The study suggests that gravid females may be attracted to airport lights, increasing the risk of spread to new areas.

SourceCABI·JournalCABI Agriculture and Bioscience·TypeExperimental study·DateFeb 27, 2025

Interventions identified to eliminate transmission of hepatitis B in Africa

A large-scale analysis sheds light on the critical steps needed to combat the vertical transmission of chronic hepatitis B virus (HBV) in Africa. The study estimates that hepatitis B vertical transmission could be eliminated in Africa with increased coverage of birth dose vaccine and maternal antiviral therapy.

SourceUniversity of Liverpool·JournalThe Lancet Global Health·DateFeb 27, 2025

ASTRO issues its first clinical guideline on radiation therapy for anal cancer

The American Society for Radiation Oncology (ASTRO) has published its first clinical guideline on radiation therapy for anal cancer, providing guidance on treatment options and techniques. The guideline recommends a combination of radiation therapy and drug therapy as the standard of care, with intensity-modulated radiation therapy (IM...

SourceAmerican Society for Radiation Oncology·JournalPractical Radiation Oncology·DateFeb 27, 2025

Researchers are cracking the code on solid-state batteries

University of Missouri researchers developed a solution to improve solid-state battery performance by understanding the root cause of issues. They used 4D STEM to examine atomic structures without disassembling batteries, ultimately determining the interphase layer was the culprit.

SourceUniversity of Missouri-Columbia·JournalAdvanced Energy Materials·DateFeb 27, 2025
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Computing leaders propose measures to combat tech-facilitated intimate partner violence, human trafficking, and child exploitation

The Association for Computing Machinery's Technology Policy Council issues brief calls on policymakers and tech companies to address tech abuse in intimate partner violence, human trafficking, and child exploitation. The report highlights disturbing statistics and recommends expanding laws and regulations to protect users.

SourceAssociation for Computing Machinery·DateFeb 27, 2025

Birds breathe in dangerous plastics—and so do we

A new University of Texas at Arlington study reveals high concentrations of microplastics in bird lungs, with average particles per species and gram of lung tissue measured. The study highlights the urgent need to address plastic pollution and its far-reaching impacts on ecosystem health and human health.

SourceUniversity of Texas at Arlington·JournalJournal of Hazardous Materials·TypeObservational study·DateFeb 27, 2025

Emerging treatments for social disconnection in psychiatric illness

Researchers discuss innovative ways to address social isolation and loneliness in psychiatric illness through pharmacologic compounds. The Brain & Behavior Research Foundation invites the public to a free webinar on March 11, 2025, featuring Dr. Anya Bershad's latest findings.

SourceBrain & Behavior Research Foundation·DateFeb 27, 2025