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Science News Archive August 2025 - Page 25


Page 25 of 45

Reduced genome – flexible performance: How symbiotic bacteria with minimal genetic information provide optimal support to their hosts

Researchers found that symbionts of reed beetles regulate gene expression according to the beetle's life stage, diet, and environmental conditions. The study shows that these bacteria can maintain a regulated metabolism with a minimal set of genes, suggesting a flexible and adaptable approach to support their hosts.

SourceMax Planck Institute for Chemical Ecology·JournalEMBO Reports·TypeExperimental study·DateAug 14, 2025

Worcester Polytechnic Institute selected as key partner in national cybersecurity and AI training initiative to advance U.S. automotive innovation

The $2.5 million DRIFT program aims to close critical talent gaps and safeguard connected vehicles by providing specialized online and in-person training. Worcester Polytechnic Institute will lead the university’s DRIFT program, offering tuition-free modules and real-world training to upskill engineers and professionals.

DGIST has successfully discovered a novel DNA damage repair pathway in human cells

A team of scientists has identified a novel DNA damage repair pathway in human cells, revealing that proteins present in the nuclear membrane directly interact with damaged DNA. This breakthrough could lead to the development of new cancer treatments that target this pathway and overcome treatment resistance.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalProceedings of the National Academy of Sciences·DateAug 14, 2025

How major corn-producing regions in China achieve sustainable yield increase?

The study identifies core limiting factors in each region, including climate, soil conditions, and planting practices. A regionalized technical model is proposed to optimize planting density, nutrient management, and agronomic measures, resulting in improved yield and resource use efficiency.

SourceHigher Education Press·JournalFrontiers of Agricultural Science and Engineering·TypeExperimental study·DateAug 14, 2025

DGIST core protein resources center’s research team discovers hazards of “protein absorbative microplastics” to brain cell function

A study by DGIST researchers reveals that protein-absorptive microplastics disrupt brain cell functions and induce inflammatory responses. The research team used proteomics analysis to examine how microplastics bind to proteins and alter cellular functions.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalEnvironmental Science & Technology·DateAug 14, 2025

Helicobacter pylori eradication may raise risk of reflux esophagitis, meta-analysis warns

A recent meta-analysis found that Helicobacter pylori eradication may be associated with an increased risk of developing or experiencing reflux oesophagitis. The study analyzed data from 30 studies and showed a statistically significant increase in RE risk in RCTs, but not in cohort studies. Age, underlying diseases, region, and durati...

SourceFirst Hospital of Jilin University·JournaleGastroenterology·DateAug 14, 2025

BU researchers identify mutational signatures and tumor activity in Chinese patients

Researchers from Boston University identified mutational signatures in a large Chinese population, finding similarities with American populations but also distinct correlations with clinical factors. The study provides new insights into the relationship between environmental exposure and cancer development.

SourceBoston University School of Medicine·JournalCancer Research Communications·TypeData/statistical analysis·DateAug 14, 2025

As the atmosphere changes, so will its response to geomagnetic storms

A new study led by NSF NCAR scientists reveals that rising carbon dioxide levels will impact the upper atmosphere's response to geomagnetic storms, affecting satellite operations. Future storms may nearly triple the density increase, with regions being 20-50% less dense at peak.

Research alert: Study finds that school-based online surveillance companies monitor students 24/7

A recent study found that school-based online surveillance companies are extensively monitoring students' digital behavior beyond school hours, often using AI with little human oversight. The research team identified 14 companies marketing such services, citing concerns about privacy, equity, and oversight.

SourceUniversity of California - San Diego·JournalJournal of Medical Internet Research·DateAug 14, 2025

Synthetic engineering of telomerase RNA, development of polygenic scores paves way to better understanding of telomeres

Researchers at Boston Children's Hospital have developed a new approach to lengthening telomeres using synthetic RNA. The technique, known as eTERC, has been shown to increase telomere length in human stem cells and leave normal cell mechanisms intact. Additionally, polygenic scores have been developed to estimate the combined effect o...

SourceBoston Children's Hospital·JournalJournal of Clinical Investigation·DateAug 14, 2025

Terasaki Institute researchers reveal vagus nerve modulation as key to combating cancer-associated cachexia featured in cell

The study demonstrates that modulating the vagus nerve can effectively halt the progression of cachexia, enhance chemotherapy outcomes, and improve survival in preclinical models. This intervention restores normal liver metabolism, reduces systemic inflammation, and alleviates cachectic symptoms.

SourceTerasaki Institute for Biomedical Innovation·JournalCell·TypeExperimental study·DateAug 14, 2025

No spin, no catalysis

Researchers have designed a novel single-atom ruthenium-doped Co3O4 catalyst that significantly promotes water splitting efficiency. The high-spin Co3+ species facilitate robust OH* adsorption and enhance the supply of H* intermediates, accelerating the Volmer–Tafel pathway of the hydrogen evolution reaction.

SourceScience China Press·JournalScience Bulletin·TypeExperimental study·DateAug 14, 2025

ORC2 regulation of human gene expression shows unexpected breadth and scale

A recent study reveals that ORC2 subunit regulates epigenetics and gene expression by compacting chromatin and attracting repressive histone marks at some sites, but activating gene expression at others. This regulation also prevents CTCF binding at certain sites, leading to changes in chromatin structure and gene expression.

SourceUniversity of Alabama at Birmingham·JournalCell Reports·TypeExperimental study·DateAug 14, 2025

University of Oklahoma’s smoking cessation app performs well in clinical trial

The University of Oklahoma's smoking cessation app Smart-T has shown significant promise in a clinical trial, with users nearly twice as likely to quit smoking compared to those using the QuitGuide app. Participants who used Smart-T also reported higher satisfaction and more frequent use of nicotine therapy.

SourceUniversity of Oklahoma·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateAug 14, 2025

Brain-computer interface could decode inner speech in real time

Scientists have successfully decoded inner speech using brain-computer interfaces (BCIs) with an accuracy rate of up to 74%. The BCI system can interpret neural activity related to thought processes, allowing individuals with severe paralysis or motor impairments to communicate more naturally and comfortably.

SourceCell Press·JournalCell·TypeExperimental study·DateAug 14, 2025

High-oxygen vacancy cerium catalysts with NiFe alloy heterostructures: A pathway to efficient and stable biomass ethanol fuel tubular solid oxide fuel cells

Researchers developed high-oxygen vacancy cerium catalysts with NiFe alloy heterostructures, significantly improving biomass ethanol T-SOFC efficiency and anti-carbon accumulation performance. The catalyst showed excellent catalytic activity and stable operation for up to 100 hours.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateAug 14, 2025

International “State of the Climate” report confirms record-high greenhouse gases, global temperatures, global sea level, and ocean heat in 2024

The State of the Climate report reveals record-high greenhouse gas concentrations, with CO2 levels reaching 422.8 parts per million, a 52% increase from pre-industrial levels. Global temperatures also reached a new high, with annual growth increasing to 2.4 ppm yr−1.

SourceAmerican Meteorological Society·JournalBulletin of the American Meteorological Society·DateAug 14, 2025

A new network could help predict health problems in your pup

A study of over 26,000 dogs reveals which diseases tend to co-occur and provide insights into canine healthcare. The network analysis suggests new connections between diseases, such as low iron and protein in the urine, and helps guide veterinary practice.

SourcePLOS·JournalPLOS Computational Biology·TypeObservational study·DateAug 14, 2025

Array detection enables large localization range for simple and robust minflux

A new method called ISM-FLUX streamlines MINFLUX by using a 5x5 SPAD array detector to capture spatiotemporal information from fluorescence photons, allowing for precise localization over larger areas without losing accuracy. This innovation enables faster and more user-friendly molecular-scale imaging in biology.

Archaea can kill bacteria with new antibacterials

Researchers identified peptidoglycan hydrolases in archaea that kill bacteria, highlighting the importance of surveying diverse microbes to discover new antimicrobials. These proteins were found in 5% of surveyed archaeal species and show promise as novel antibacterial compounds.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateAug 14, 2025

Breathing in 4D: Optical technique maps airway wall elasticity during bronchoscopy

Scientists developed a new 4D optical coherence tomography technique that measures airway wall elasticity in under 42 seconds, enabling detailed assessment of respiratory tissue mechanics. This faster approach may help diagnose and monitor upper airway disorders, assess injury, and guide treatment decisions.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateAug 14, 2025

Thermoelectric breakthrough: resolving classic model limitations with new insights

Researchers introduced a non-parabolicity factor to address limitations of traditional models, enhancing prediction accuracy and providing deeper insights into electron transport mechanisms. This breakthrough enables the design of high-performance thermoelectric materials with improved energy conversion efficiencies.

SourceScience China Press·JournalNational Science Review·TypeComputational simulation/modeling·DateAug 14, 2025

"Every Brilliant Thing”, the interactive one-person play with a suicidality theme now making its West End debut, reduced suicide-associated stigma among university students who attended, even up to 30 days later

The interactive one-person play 'Every Brilliant Thing' has been shown to reduce suicide-associated stigma among university students who attended the performance, even up to 30 days later. The study found a significant decrease in stigma following the intervention.

SourcePLOS·JournalPLOS Mental Health·DateAug 14, 2025