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Science News Archive February 2025 - Page 32


Page 32 of 44

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

Chicken ‘woody breast’ detection improved with advanced machine learning model

A new machine learning model, NAS-WD, has improved the accuracy of detecting 'woody breast' in chicken meat to 95%, allowing for better quality assurance and customer confidence. The model uses hyperspectral imaging to analyze complex data from images, enabling more accurate detection than traditional methods.

SourceUniversity of Arkansas System Division of Agriculture·JournalArtificial Intelligence in Agriculture·TypeImaging analysis·DateFeb 10, 2025

Poor childhood social and cognitive skills combo linked to teens’ poor exam results

A study published in the Archives of Disease in Childhood found that children with poor social and cognitive skills during childhood are more likely to fail their GCSE exams. The research, based on data from the UK Millennium Cohort Study, suggests that these issues may account for around 17% of exam fails among 16-year-olds.

SourceBMJ Group·JournalArchives of Disease in Childhood·TypeData/statistical analysis·DateFeb 10, 2025

Promoter editing enables researchers to develop heat-tolerant cotton germplasms in response to global warming

Researchers use CRISPR/Cas9 and CRISPR/Cpf1 genome editing to precisely edit the promoter region of key high-temperature-responsive gene GhCKI, leading to improved anther development and heat tolerance in cotton. The breakthrough provides novel genetic resources for breeding heat-tolerant cotton varieties.

SourceScience China Press·JournalScience China Life Sciences·TypeExperimental study·DateFeb 10, 2025

Impact of intermediate-term oral contraceptive use on oxidative stress, lipid profile, and liver function in Iraqi women

This study found that intermediate-term oral contraceptive use was associated with lower antioxidant levels and higher triglyceride and low-density lipoprotein levels. Regular monitoring of these parameters is recommended for OCP users to mitigate potential metabolic and hepatic effects.

SourceXia & He Publishing Inc.·JournalExploratory Research and Hypothesis in Medicine·DateFeb 10, 2025

Researchers are driving the charge of zero emissions

A study by Virginia Tech researchers found that electric vehicles generally produce less non-exhaust emissions than gasoline-powered vehicles when driving in city conditions. The research also highlights the environmental benefits of regenerative braking, which reduces brake abrasion emissions.

SourceVirginia Tech·JournalTransportation Research·DateFeb 10, 2025

Higher pollinator diversity in calcareous grasslands

A recent study reveals that smaller arable fields and organic farming are crucial for maintaining high pollinator diversity in calcareous grasslands. The research team found that these factors significantly increase the abundance of flowers, nesting sites, and various wild insect species, particularly endangered ones.

SourceUniversity of Würzburg·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateFeb 10, 2025

Trump's 2024 election victory: A double-edged sword for the US stock market

A new study from the University of Surrey finds that Trump's election victory led to significant abnormal returns in stock prices, particularly among small-cap firms and energy sectors. The research highlights the complex landscape of investor responses to major political events, with both optimism and fear driving market dynamics.

SourceUniversity of Surrey·JournalEconomics Letters·TypeObservational study·DateFeb 10, 2025

Quantum imaging breakthrough achieved with ultra-thin nonlinear metasurfaces

Scientists achieved a quantum imaging breakthrough with an ultra-thin nonlinear metasurface, combining ghost imaging and all-optical scanning methods to reconstruct images with exceptional resolution. This approach eliminates the need for bulky nonlinear crystals and enables compact, highly tunable platforms for quantum imaging.