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Science News Archive March 2025 - Page 38


Page 38 of 51

Dongguk University researchers create clove essential oil-based pickering emulsions

Dongguk University researchers developed a novel clove essential oil-based Pickering emulsion formulation with improved antibacterial properties. The emulsion uses carbon quantum dots derived from clove essential oil residue, increasing bacterial adhesion and antibacterial activity compared to conventional emulsions.

SourceDongguk University Evaluation and Audit Team·JournalChemical Engineering Journal·TypeExperimental study·DateMar 10, 2025

Study: Tuberculosis relies on protective genes during airborne transmission

Researchers have discovered a family of genes essential for tuberculosis survival during airborne transmission, providing new drug targets. The study sheds light on the bacterium's protective mechanisms, which could prevent infection spread and treat existing cases.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateMar 10, 2025

FLIpping the Switch: Boosting stem cell numbers for therapies

Researchers discovered a molecular switch, FLI-1, essential for blood stem cells to enter an activated state. Transiently producing FLI-1 in quiescent adult mobilized bone marrow stem cells activates them, improving their ability to expand and restore the blood cell supply in a new host.

SourceWeill Cornell Medicine·JournalNature Immunology·DateMar 10, 2025

Neighborhood factors affect rehab services after traumatic brain injury

Researchers found that older adults with traumatic brain injury face disparities in rehabilitation care due to contextual social determinants of health. Contextual SDoH factors have complex effects on use of community-based rehabilitation services after TBI, beyond those linked to individual-level SDoH.

SourceWolters Kluwer Health·JournalJournal of Head Trauma Rehabilitation·DateMar 10, 2025
Apple iPhone 17 Pro

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

Mysterious phenomenon at center of galaxy could reveal new kind of dark matter

A study published in Physical Review Letters suggests that a mysterious phenomenon at the center of our galaxy may be caused by a lighter form of dark matter. The research team detected unusual energy signatures radiating from this region, which they believe could be produced by the annihilation of tiny dark matter particles.

SourceKing's College London·JournalPhysical Review Letters·DateMar 10, 2025

Wireless ingestible capsule detects 'Leaky Gut' in real-time

A team of researchers has developed an ingestible bioimpedance sensing device that continuously monitors gastrointestinal mucosal barrier integrity wirelessly. The device can detect subtle changes in mucosal permeability, a common feature in Inflammatory Bowel Disease (IBD), enabling early detection and improved diagnosis.

SourceAerospace Information Research Institute, Chinese Academy of Sciences·JournalMicrosystems & Nanoengineering·DateMar 10, 2025

Dissociation is a coping mechanism impeding effective climate action

A study by Cambridge University Press found that collective dissociation prevents people from taking effective action against the climate emergency, exacerbating mental health issues such as depression and PTSD. Researchers recommend measures like community engagement, mental health support, and infrastructure improvement to combat dis...

SourceCambridge University Press·JournalCambridge Prisms Global Mental Health·TypeObservational study·DateMar 10, 2025
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Facebook is constantly experimenting on consumers — and even its creators don’t fully know how it works

Researchers found significant flaws in Facebook's A/B testing methods, which can lead to misleading conclusions about ad effectiveness. The complex algorithms used by social media platforms can micro-target individuals based on unobservable factors, making it difficult to determine the true impact of ads.

SourceUniversity of British Columbia - Sauder School of Business·JournalInternational Journal of Research in Marketing·TypeMeta-analysis·DateMar 10, 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.

‘You don’t just throw them in a box.’ Archaeologists, Indigenous scholars call on museums to better care for animal remains

A team of archaeologists and Indigenous scholars calls on museums to better care for animal remains, recognizing power imbalances and respecting Native American traditions. The approach emphasizes self-reflection, lifelong learning, and partnering with Indigenous groups to rethink catalogue, storage, and display methods.

SourceUniversity of Colorado at Boulder·JournalAdvances in Archaeological Practice·DateMar 10, 2025

Researchers successfully prove the solution to Dudeney’s 120-year-old dissection puzzle

A team of researchers from Japan Advanced Institute of Science and Technology proved that Dudeney's original solution to the famous dissection problem is the optimal solution. They used a novel approach, including matching diagrams, to show that no dissection between an equilateral triangle and a square can be achieved with three or fe...

SourceJapan Advanced Institute of Science and Technology·DateMar 10, 2025

Post-Dobbs decision changes in obstetrics and gynecology clinical workforce in states with abortion restrictions

The Dobbs decision has been linked to moderate but significant decreases in obstetrics and gynecology practitioners in the most restrictive states compared to control states. Clinician migration is likely affecting reproductive care access, quality, and equity as abortion rights are increasingly decided at the state level

SourceJAMA Network·JournalJAMA Internal Medicine·DateMar 10, 2025

Scientists create a universal vascular graft with stem cells to improve surgery for cardiovascular disease

Researchers at Wisconsin National Primate Research Center and Morgridge Institute for Research have developed a universal, small-diameter vascular graft using stem cell-derived arterial endothelial cells. The graft overcomes limitations of current clinical options, which include invasive procedures and limited donor availability.

SourceMorgridge Institute for Research·JournalCell Reports Medicine·TypeExperimental study·DateMar 10, 2025
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.

New technique overcomes spurious correlations problem in AI

Researchers have developed a novel technique to overcome the spurious correlations problem in AI by eliminating a small portion of the training data that contains hard-to-understand features. This approach improves performance even when conventional techniques are ineffective.

SourceNorth Carolina State University·TypeComputational simulation/modeling·DateMar 10, 2025

Unlocking the secrets of phase transitions in quantum hardware

A team of researchers observed first- and second-order dissipative phase transitions in a two-photon driven Kerr resonator, showcasing the transformative power of quantum systems. The study demonstrates the validity of theoretical predictions and opens new possibilities for engineering stable and responsive quantum systems.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·DateMar 10, 2025

With $2M in grants, Arizona engineers push toward a quantum computing future

Researchers at the University of Arizona are using two federal grants to develop novel areas in quantum information. They aim to improve measurement capabilities of quantum magnetic field sensors, which could impact navigation, medical imaging, and other fields. Additionally, they will work on developing quantum low-density parity-chec...

SourceUniversity of Arizona College of Engineering·DateMar 10, 2025

Inhaled COVID vaccine begins recruitment for phase-2 human trials

A Canadian-developed, needle-free COVID-19 vaccine has begun phase-2 human trials, testing its efficacy and safety in a broad study group. The trial aims to evaluate the vaccine's ability to induce immune responses and prevent recurrent infections, with researchers hoping to include 350 participants from across Canada.

SourceMcMaster University·DateMar 10, 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.

Next-gen indoor navigation: VLP/INS integration delivers robust localization in dynamic environments

A cutting-edge solution integrates Visible Light Positioning and Inertial Navigation Systems to tackle dynamic inclination changes and signal blockages. The tightly coupled system achieves impressive positioning accuracy of up to 10 cm and inclination precision within 1 degree.

SourceAerospace Information Research Institute, Chinese Academy of Sciences·JournalSatellite Navigation·DateMar 10, 2025

New paper suggests cold temperatures trigger shapeshifting proteins

A new paper proposes that temperature plays a fundamental role in setting off shapeshifting in metamorphic proteins. Researchers analyzed differences in hydrophobic contacts and found significant temperature-dependent changes, supporting their theory.

SourceUniversity of Maryland·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateMar 10, 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.

Anna Balazs wins the 2025 Gutenberg Research Award

Anna Balazs, a world-renowned pioneer in materials theory and soft matter science, has been awarded the 2025 Gutenberg Research Award. Her recent research on 'Confine: Sculpting Confined Fluids for Transport using Self-Organization and Information Transfer' has garnered significant attention.

SourceJohannes Gutenberg Universitaet Mainz·DateMar 10, 2025

Studying chemical exposure and brain cancer risk in firefighters

A Yale University study found an association between firefighters' exposure to chemicals and the development of glioma tumors with specific genetic patterns, previously linked to haloalkane exposure. The research suggests environmental agents may contribute to glioma risk, highlighting the need for preventive measures.

SourceYale University·JournalCancer·DateMar 10, 2025

$100 million investment to expand Cornell's Engineering college

A $100 million philanthropic commitment from David A. Duffield will significantly expand Cornell Engineering's facilities, including the School of Electrical and Computer Engineering. The expansion will provide critical new lab space for strategic research priorities and experiential learning opportunities for students.

SourceCornell University·DateMar 10, 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.

Gut bacteria heal the colon

Researchers found that supplementing gut bacteria with Clostridium scindens can improve recovery from colonic injury and enhance regeneration of the gut lining. This approach targets the underlying issue: impaired ability of the gut to heal itself by restoring natural bile acid balance.

SourceEcole Polytechnique Fédérale de Lausanne·JournalEMBO Molecular Medicine·DateMar 10, 2025

Amid politically divisive debate on role of U.S. police in violence against Black citizens, AI-aided study of local news finds media criticism of police has not risen or become more partisan over last decade

A recent study by Carnegie Mellon University researchers used AI language models and human readers to analyze 1.3 million news excerpts referencing the police in 10 US cities from 2013 to 2023. The study found that local media criticism of police has remained steady, with only small differences in coverage between conservative and libe...

SourceCarnegie Mellon University·JournalProceedings of the National Academy of Sciences·DateMar 10, 2025

The boundaries of drainage basins shifted faster during past episodes of climate change, according to a new theory by Ben-Gurion University geologists

Researchers have presented a unique time-dependent record of drainage divide migration rates, showing that episodes of rapid shift coincide with past climate changes in the Negev over the last 230,000 years. This discovery accelerates our understanding of how climate affects the Earth's surface.

SourceBen-Gurion University of the Negev·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateMar 10, 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.

Scientists identify key gene enhancing citrus survival in cold climates

Researchers discovered the role of PtrPAT1 in boosting cold tolerance in citrus plants by regulating glycine betaine accumulation. The study opens the door to developing cold-resistant citrus varieties, vital for global citrus production in the face of climate change.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateMar 10, 2025
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.

600 million years of stress

A research team from Göttingen University has compared algae and plants that span 600 million years of independent evolution, identifying a shared stress response network. This comprehensive dataset can be further explored for its physiological impact across plant diversity.

SourceUniversity of Göttingen·JournalNature Communications·TypeExperimental study·DateMar 10, 2025

Reprogramming immune cells to improve cancer treatment

Researchers discovered that by targeting the Elovl1 enzyme, T cells can harness fatty acid oxidation for energy, increasing their survival and effectiveness against cancer. This metabolic reprogramming approach enhances antitumor activity and improves treatment outcomes in experimental models of melanoma and pancreatic cancer.

SourceVlaams Instituut voor Biotechnologie·JournalNature Metabolism·TypeExperimental study·DateMar 10, 2025

Decoding the neural basis of affective empathy: how the brain feels others' pain

A study by Dr. Keum Sehoon's team identified key neural ensembles in the anterior cingulate cortex that encode empathic freezing, a behavioral response to witnessing distress in others. The researchers found that observing another's pain triggers activation in the ACC as if the observer were experiencing pain themselves.

SourceInstitute for Basic Science·JournalNature Communications·TypeExperimental study·DateMar 10, 2025

Female sex hormone protects against opioid misuse, rat study finds

A new rat study by researchers at Washington University School of Medicine suggests that biological differences in males and females may contribute to the gender disparity in opioid misuse. Female rats with chronic pain showed no increase in opioid intake, whereas male rats increased their fentanyl consumption over time.

SourceWashU Medicine·JournalNeuron·TypeExperimental study·DateMar 10, 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.

Proximity and prejudice: Gay discrimination in the gig economy

University of Queensland researchers found gay discrimination prevalent in gig economy, affecting workers' interactions and ratings for tasks with close proximity requirements. The study highlights the need for infrastructure changes on online platforms to address this bias and promote a more inclusive labor market.

SourceUniversity of Queensland·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 10, 2025

Rational design of precatalysts for efficient hydrogen production

Researchers at Tohoku University developed a highly stable catalyst for efficient hydrogen production, achieving a Faradaic efficiency of 99.9% and stability for over one month. The study highlights the importance of controlled evolution of catalyst-electrolyte interface in rational catalyst design.

SourceAdvanced Institute for Materials Research (AIMR), Tohoku University·JournalNature Communications·DateMar 10, 2025

New study reveals why students reject ChatGPT feedback in academic writing

A recent study found that 45.9% of ChatGPT-generated feedback was rejected by second-language learners, with content-focused feedback facing higher rejection rates. The researchers identified four key factors driving rejection: misalignment with goals or external standards, and the subjective nature of content-related suggestions.

SourceECNU Review of Education·JournalECNU Review of Education·TypeSurvey·DateMar 10, 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.

Research shows humans have a long way to go in understanding a dog’s emotions

New research from Arizona State University reveals that humans often misunderstand their pet's emotional state and base it on the context of the event. The study found that people rely on external factors rather than observing the dog's behavior, leading to a deeper misunderstanding of canine emotions.

SourceArizona State University·JournalAnthrozoös·TypeObservational study·DateMar 10, 2025

X-ray snapshot: How light bends an active substance

Researchers used X-ray light to analyze the structure of 2-thiouracil, a substance with medically relevant properties. The study found that UV radiation causes the molecule to bend, resulting in the protrusion of the sulfur atom and making it reactive.

SourceGoethe University Frankfurt·JournalNature Communications·TypeExperimental study·DateMar 10, 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.

Is red wine a healthier choice than white wine? Uncorking the cancer risks

Researchers found no clear evidence that red wine mitigates cancer risk, and instead observed a distinction in skin cancer risk. White wine consumption was associated with an increased risk of skin cancer compared to red wine, particularly among women. Heavy wine consumption may correlate to high-risk behaviors.

SourceBrown University·JournalNutrients·TypeMeta-analysis·DateMar 10, 2025

Discovery: The great whale pee funnel

Whales play a critical role in moving nutrients across ocean basins through horizontal transport in their urine. Scientists estimate that great whales transport approximately 4,000 tons of nitrogen each year to low-nutrient coastal areas in the tropics and subtropics.

SourceUniversity of Vermont·JournalNature Communications·TypeObservational study·DateMar 10, 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 two faces of liquid water

Scientists from the University of California San Diego have discovered that liquid water separates into two distinct phases under certain conditions, one high-density and one low-density. This finding reveals a unique property of water and has potential applications in fields such as water desalination and pollutant capture.

SourceUniversity of California - San Diego·JournalNature Physics·TypeComputational simulation/modeling·DateMar 10, 2025