Add BrightSurf on Google Email

Science News Archive 2025 - Page 390


Page 390 of 574

From photons to protons: Argonne team makes breakthrough in high-energy particle detection

Researchers at Argonne National Laboratory have developed a new use for superconducting nanowire photon detectors to detect high-energy protons, opening up exciting opportunities in nuclear and particle physics. The team found that wire widths smaller than 400 nanometers demonstrate high detection efficiency.

SourceDOE/Argonne National Laboratory·JournalNuclear Instruments and Methods in Physics Research·DateFeb 11, 2025

Biosensing platform simultaneously detects vitamin C and SARS-CoV-2

Penn State researchers developed a portable and wireless device to simultaneously detect SARS-CoV-2 and vitamin C, enabling individuals and healthcare providers to make more effective treatment decisions. The device uses commercial transistors with printed laser-induced graphene, achieving high sensitivity and portability.

SourcePenn State·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateFeb 11, 2025

‘Smaller and better’: Rice research uncovers performance sweet spot for relaxor nanomaterial

The study reveals that relaxor ferroelectrics like lead magnesium niobate-lead titanate (PMN-PT) exhibit improved performance when shrunk down to a precise range of 25-30 nanometers. This 'Goldilocks zone' size effect could enable advanced applications such as nanoelectromechanical systems and energy harvesting.

SourceRice University·JournalNature Nanotechnology·TypeExperimental study·DateFeb 11, 2025

Scientists harness AI to help protect whales, advancing ocean conservation and planning

Researchers at Rutgers University have developed an AI tool that combines whale monitoring and environmental data to predict endangered whale habitat. The tool guides ships along the Atlantic coast to avoid critically endangered North Atlantic right whales, preventing deadly accidents and informing conservation strategies.

SourceRutgers University·JournalScientific Reports·TypeData/statistical analysis·DateFeb 11, 2025

Exotic waves with tangible effects

Exotic waves with tangible effects, known as Rayleigh–Bloch waves, have been found to transform into phantom-like entities above a certain cut-off frequency. At lower frequencies, these waves exhibit characteristic behavior around stainless steel struts, making them ideal for antenna design and potential communication purposes.

SourceUniversity of Augsburg·JournalCommunications Physics·TypeExperimental study·DateFeb 11, 2025

Mechanical heart valve replacements have better long-term survival, study finds

A new study published in the European Journal of Cardio-Thoracic Surgery found that mechanical heart valve replacements have better long-term survival rates compared to biological valves. Patients who received mechanical valves had improved survival up to 13 years after surgery, with smaller valves showing greater benefits.

SourceUniversity of Bristol·JournalEuropean Journal of Cardio-Thoracic Surgery·TypeObservational study·DateFeb 11, 2025

Gender and beliefs shape homophobic attitudes

A UNIGE team discovered that heterosexual individuals' interpretations of scientific data on sexual orientation are influenced by their own frame of reference, leading to both positive and negative attitudes towards homosexuality. The study found that religiosity plays a significant role in shaping these attitudes.

SourceUniversité de Genève·JournalArchives of Sexual Behavior·TypeNews article·DateFeb 11, 2025

Grapevine anthocyanins: how drought stress triggers colorful adaptations

A new study reveals how drought stress stimulates anthocyanin biosynthesis in grape berries via the ABA signaling pathway and microRNA miR156b. This discovery offers crucial insights into how grapevines respond to water scarcity, providing a foundation for enhancing grape quality through precise genetic and environmental interventions.

How a breeding network could build a genetic pathway to more productive and climate-smart livestock in Africa

The African Animal Breeding Network can play a key role in transforming African livestock production systems by harnessing genomic technologies and breeding programs to drive genetic gains. This approach balances productivity with sustainability, supporting livelihoods and strengthening food security across the continent.

SourceInternational Livestock Research Institute·JournalNature Genetics·TypeCommentary/editorial·DateFeb 11, 2025

Study takes a ‘bite’ out of shark depredation using citizen science

A citizen science study led by researchers from Florida Atlantic University has identified the most common shark species responsible for depredation in Florida's recreational fisheries. The study found that snapper-grouper species were the most frequently depredated target species group, while bull sharks and sandbar sharks were the mo...

SourceFlorida Atlantic University·JournalJournal of Marine Science·TypeObservational study·DateFeb 11, 2025

A gender gap in using AI for research

A significant gender gap was found in the use of AI for research, with male researchers experiencing a notable increase in productivity after ChatGPT's release. Female researchers spent less time using AI and perceived it as less efficient, exacerbating existing productivity disparities.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 11, 2025

Microbiome as a potential key to better treatment: Clinical study on new therapy for Crohn's disease

Researchers at TUM have developed a new therapeutic approach combining dietary therapy with fecal microbiome transfer to sustain inflammation-free states in Crohn's disease patients. The study found that the gut microbiome changes as a result of dietary therapy contribute to treatment success.

SourceTechnical University of Munich (TUM)·JournalCell Host & Microbe·TypeRandomized controlled/clinical trial·DateFeb 11, 2025

Smart insoles revolutionize: a breakthrough in 3D ground reaction force estimation

A team of researchers developed a smart insole system that accurately measures body interaction with the ground, estimating ground reaction forces. The TG0 Smart Insole outperformed traditional methods with an error rate as low as 4.16%, offering a reliable and affordable solution for monitoring movement in real-world scenarios.

SourceKeAi Communications Co., Ltd.·JournalIntelligent Sports and Health·TypeExperimental study·DateFeb 11, 2025

Super-precise timing unlocked: satellites get a big boost

A new carrier-phase-based method achieves unprecedented precision in satellite-ground time synchronization, correcting for errors like motion delays, relativistic effects, and atmospheric disturbances. This breakthrough enhances positioning accuracy in GNSS, supports deep space exploration, and refines global clock networks.

Does the universe behave the same way everywhere? Gravitational lenses could help us find out

Researchers propose a new methodology to test the Universe's isotropy using Euclid space telescope data, aiming to detect potential anisotropies that challenge the Standard Model of Cosmology. If confirmed, these findings would open a new chapter in cosmology, potentially revising our understanding of the Universe's behavior.

SourceSissa Medialab·JournalJournal of Cosmology and Astroparticle Physics·TypeComputational simulation/modeling·DateFeb 11, 2025

The prevalence of older Americans without disabilities increases substantially between 2008 and 2017

A study published in the Archives of Gerontology and Geriatrics Plus found that the prevalence of older Americans without disabilities increased from 61% in 2008 to 65% in 2017. This represents a significant improvement, with an additional 2.07 million older Americans potentially having had disabilities if trends had remained constant.

SourceUniversity of Toronto·JournalArchives of Gerontology and Geriatrics Plus·TypeSurvey·DateFeb 11, 2025

Portable astronomical observation system based on large-aperture concentric-ring metalens

Researchers developed a portable telescopic system with a 5cm diameter concentric-ring metalens, achieving high-resolution detection within a 20° field of view. The design features an image-side telecentric optical system and a front aperture stop to reduce edge ray aberration, resulting in a PSF with MTF > 0.4 @ 46lp/mrad.

Innovative target design leads to surprising discovery in laser-plasma acceleration

Researchers have made an unexpected breakthrough in laser-plasma acceleration by introducing a novel water sheet target, resolving multiple technical challenges. This breakthrough enables the generation of faster, brighter, and more efficiently produced proton beams, paving the way for real-world applications in medicine and industry.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature Communications·TypeExperimental study·DateFeb 10, 2025

Scientists find that a playful approach to life activates ‘lemonading’, which helps people cope with adversity

Researchers discovered that highly playful individuals are more resilient in the present and optimistic about the future. They were more motivated to seek fun, less inhibited, and took creative steps to cope with challenging situations. Playfulness was found to be a vital resource for maintaining wellbeing during difficult times.

SourceFrontiers·JournalFrontiers in Psychology·TypeObservational study·DateFeb 10, 2025

NUS Medicine launches new center to bolster global pandemic preparedness and response to infectious disease emergencies

NUS Medicine has launched a new centre to bolster global pandemic preparedness and response to infectious disease emergencies. The Centre for Infectious Disease Emergency Response (CIDER) will serve as an education and operational hub for public health professionals, researchers, and policymakers.

Therapy helps peanut-allergic kids tolerate tablespoons of peanut butter

Researchers report that eating increasingly higher doses of peanut butter enabled 100% of children with peanut allergy who initially tolerated half a peanut to consume three tablespoons without an allergic reaction. The therapy could potentially fulfill an unmet need for about half of children with peanut allergy, who already can toler...

Purdue biochemists discover self-repair function in key photosynthetic protein complex

Researchers have discovered a self-repair mechanism in the photosystem II protein complex, which is crucial for photosynthesis. The study found that phosphorylation plays a dual role in driving disassembly and quality control mechanisms for repair, shedding light on how plants maintain efficient photosynthetic processes.

SourcePurdue University·JournalPlant Communications·TypeExperimental study·DateFeb 10, 2025

Bar-Ilan University study reveals high vaccination rates among Israeli Arabs, offering insights for minority populations worldwide

A study by Bar-Ilan University reveals that Israeli Arabs have high vaccination rates due to their trust in the country's healthcare system. The research also found that vaccinations are often administered in supportive environments with flexible hours and play areas for children, making it easier for families to participate.

SourceBar-Ilan University·JournalIsrael Journal of Health Policy Research·DateFeb 10, 2025