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Science News for August 26, 2025


Key mechanism for Alzheimer’s disease discovered

Researchers at Heidelberg University have discovered a key mechanism for Alzheimer's disease, identifying a neurotoxic protein-protein complex responsible for nerve cell death and cognitive decline. A novel pharmacological inhibitor, FP802, has shown promising results in slowing disease progression.

SourceHeidelberg University·JournalMolecular Psychiatry·DateAug 26, 2025

Generation of femtosecond polygonal optical vortices from a mode-locked quasi-frequency-degenerate laser

Researchers have developed a method to generate femtosecond polygonal optical vortices with square, pentagonal, and hexagonal intensity distributions. The technique utilizes a passive mode-locked solid-state Yb:KGW oscillator at quasi-frequency-degenerate state, delivering high-power FPOVs with excellent power stability.

Machine learning ushers in a new era for advanced nuclear materials research

A new review in AI & Materials highlights the transformative potential of machine learning (ML) in nuclear materials research. ML techniques are being used to analyze complex microstructures, predict thermal conductivity and mechanical behavior, optimize processing and fabrication, and integrate with physics-based models.

SourceELSP·JournalAI & Materials·TypeLiterature review·DateAug 26, 2025

Metabolic insights from kidney ‘immune hubs’ point to new therapeutic concept

Researchers discovered that immune hubs in the kidney create a unique metabolic environment, accumulating glutathione to counter oxidative stress. Blocking this process prevents TLS formation or causes existing structures to shrink. Urine glutathione levels can serve as a non-invasive biomarker for TLSs and disease progression.

SourceInstitute for the Advanced Study of Human Biology (ASHBi), Kyoto University·JournalJournal of the American Society of Nephrology·TypeExperimental study·DateAug 26, 2025

Adding cell-based vaccine to liver cancer therapy slows cancer progression in patients with liver cancer

A new study found that a cell-based vaccine using dendritic cells can improve progression-free survival time for patients with intermediate-stage primary liver cancer. The ImmunoTACE trial showed an average of 18 months of tumor progression compared to 10 months in the control group.

SourceUniversity of Birmingham·JournalClinical Cancer Research·TypeRandomized controlled/clinical trial·DateAug 26, 2025

The environmental cost of everyday choices

Researchers at DTU calculate the impact of everyday activities on the environment, providing a framework for consumers to make informed choices. The study assesses 23 common activities across six environmental categories, revealing that some lifestyle changes have a significant impact on the climate budget.

SourceTechnical University of Denmark·JournalSustainable Production and Consumption·DateAug 26, 2025

Hydrolysis-engineered robust porous micron silicon anode for high-energy lithium-ion batteries

This novel anode design boasts excellent mechanical resilience, industrial durability, and fast-charging capabilities, while being green and scalable. The hydrolysis-engineered architecture delivers improved electrochemical performance, including high-rate capability and long cycle life.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateAug 26, 2025

Nucleic acid aptamers for advancing targeted therapies for bone diseases

Researchers explore the benefits of nucleic acid aptamers in targeted therapies for bone tissue regeneration, revealing their potential in managing orthopedic conditions. Aptamers can modulate key molecular pathways involved in bone repair, advancing the standard of care for fractures and various types of bone diseases.

SourceEditorial Office of West China School of Stomatology, Sichuan University·JournalBone Research·TypeLiterature review·DateAug 26, 2025

Kiss goodbye to deadly disease – new research finds antibodies for killer parasite

Researchers have successfully produced antibodies that kill the parasite carried by the 'kissing bug' that causes the potentially deadly Chagas disease. These antibodies target the parasite's infective stage and show neutralization rates exceeding 95%, making them a key step towards developing an effective vaccine.

SourceUniversity of Nottingham·JournalNature Communications·TypeExperimental study·DateAug 26, 2025

One in three people avoid information about their own health

A meta-analysis of 92 studies worldwide found that nearly one in three people avoid or are likely to avoid medical information. The strongest predictors of this behavior were not related to demographic factors but rather social and structural environment. Restoring trust in the medical system could lead to greater engagement with medic...

SourceMax Planck Institute for Human Development·JournalAnnals of Behavioral Medicine·TypeMeta-analysis·DateAug 26, 2025

Exploring coordinated tissue growth in embryos based on control theory

Researchers from Japan and USA discover midline tissues use formation control to grow harmoniously, with the notochord leading elongation and adjacent tissues migrating together through fibroblast growth factor gradients and cell adhesion. Computer simulations confirm this mechanism is essential for synchronized tissue development.

SourceInstitute of Science Tokyo·JournalScience Advances·TypeExperimental study·DateAug 26, 2025

Study raises red flags about BPA replacements

Researchers found that chemicals used to replace BPA can disrupt human ovarian cell function and change gene expression. The study calls for further investigation into the safety of these alternatives, which are not regulated or routinely tested.

SourceMcGill University·JournalToxicological Sciences·TypeExperimental study·DateAug 26, 2025

Bar-Ilan University joins €8 million European consortium to make life-saving CAR-T cancer therapy faster, safer, and more accessible

A key contributor is the lab of Prof. Ayal Hendel at Bar-Ilan University's Goodman Faculty of Life Sciences, focusing on evaluating CRISPR-based gene editing precision and safety. The project aims to decentralize CAR-T cell therapy production, making it available to more patients by reducing costs and increasing accessibility.

Plasma-sprayed Al2O3-ZrO2 composite coatings with nano-eutectic structures for wear protection: a novel strategy based on feedstock powder design

Researchers developed a novel nano-eutectic structured Al2O3-ZrO2 composite coating using CS-AA feedstock powder, exhibiting improved microstructure and mechanical properties. The coating showed higher hardness, toughness, and wear resistance compared to traditional coatings.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateAug 26, 2025

Researchers test new gene treatment to prevent premature skull fusion in newborns

University of Iowa researchers have successfully tested a technique that stimulates a gene to prevent craniosynostosis, a condition causing infants' skulls to close prematurely. The treatment involved injecting nano-sized packets containing the miR-200a gene into newborn mice, allowing their brains to expand and preventing skull fusion.

SourceUniversity of Iowa·JournalScience Advances·TypeExperimental study·DateAug 26, 2025

The irresistibility of extrapolating from past performance

A large-scale study found that people who made successful guesses in a sequence of fair coin tosses rated their chances of further success higher and were more willing to bet on it. In contrast, unlucky guesses led to pessimistic predictions about future performance, with a stronger negative effect than the positive one.

SourcePNAS Nexus·JournalPNAS Nexus·DateAug 26, 2025

Two thirds of reproductive-aged women have at least one modifiable risk factor for birth defects, study reveals

A new study in the American Journal of Preventive Medicine found that two-thirds of women of reproductive age in the US have at least one modifiable risk factor for birth defects. The analysis highlights the need for improved preconception health and identifying and addressing these changeable risk factors before pregnancy.

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateAug 26, 2025

Nature experiences bring depth and meaning to life

A new Finnish study reveals that nature experiences play a significant role in people's long-term well-being, particularly in boosting self-acceptance and purpose in life. The research found that younger and older participants alike valued the sense of connection with nature, which helped them tap into their own values and agency.

SourceUniversity of Turku·JournalPeople and Nature·DateAug 26, 2025

Mayo Clinic AI tool finds early signs of blood mutations linked to cancer and heart disease

A new Mayo Clinic AI tool, UNISOM, has shown promising results in identifying early signs of clonal hematopoiesis of indeterminate potential (CHIP), a condition that raises the risk of leukemia and heart disease. The tool helps detect CHIP-related mutations in standard genetic datasets, opening new avenues for research and discovery.

SourceMayo Clinic·JournalGenomics Proteomics & Bioinformatics·DateAug 26, 2025

New ATA management guidelines for adult patients with differentiated thyroid cancer

The American Thyroid Association has released new guidelines for managing adult patients with differentiated thyroid cancer, emphasizing evidence-based recommendations for diagnosis, treatment, and monitoring. The guidelines highlight the importance of patient-reported outcomes and areas for further research.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalThyroid·TypeSystematic review·DateAug 26, 2025

People with schizophrenia have higher risk of COPD

People with schizophrenia are more likely to develop chronic obstructive pulmonary disease (COPD) due to shared genetic, socioeconomic, and environmental factors. The lack of adequate medical care also contributes to the under-diagnosis of COPD in this population.

SourceCOPD Foundation·JournalChronic Obstructive Pulmonary Diseases Journal of the COPD Foundation·DateAug 26, 2025

Predicting nationality from beliefs and values

A neural network trained on the World Values Survey predicts an individual's country of origin with 90% accuracy from their attitudes and values. The top predictors include political attitudes, environmental attitudes, family values, and interpersonal relationships.

SourcePNAS Nexus·JournalPNAS Nexus·DateAug 26, 2025

Welsh mine microbes mapped to help heat homes

A team of microbiologists has mapped the multitude of microbes present in mine water, influencing its chemistry and impact on geothermal energy capture. Understanding microbial activity is crucial for designing efficient and resilient geothermal systems.

SourceAberystwyth·JournalFEMS Microbiology Ecology·TypeData/statistical analysis·DateAug 26, 2025

Why the pygmy seahorse has a snub nose

Researchers found that pygmy seahorses lose genes responsible for normal nose growth, resulting in short snouts. They also discover a loss of immune genes due to adaptation to coral toxins, allowing them to thrive without their full immune system.

SourceUniversity of Konstanz·JournalProceedings of the National Academy of Sciences·DateAug 26, 2025

The ISSCR and Novo Nordisk Foundation collaborate to host the Society’s 2028 Annual Meeting in Copenhagen

The ISSCR will host its 2028 Annual Meeting in Copenhagen, Denmark, bringing together researchers, clinicians, industry leaders, and policymakers from over 80 countries. The event will support new frontiers in stem cell science and regenerative medicine, fostering global collaboration and discovery of cutting-edge scientific advances.

Breaking the code in network theory: Who leads and who follows?

A new algorithm, bimodularity, breaks the code in network theory by detecting not only which nodes belong together but also how information flows between them. This allows for the identification of bicommunities, where one community sends and another receives information, revealing new organizational structures.

SourceEcole Polytechnique Fédérale de Lausanne·JournalProceedings of the National Academy of Sciences·DateAug 26, 2025

American College of Cardiology issues vaccine guidance for adults with heart disease

The American College of Cardiology recommends flu, COVID-19, RSV vaccinations and others for adults with heart disease to reduce risks of infection, hospitalization, and death. Vaccination has been shown to be highly effective in reducing these risks, yet only 30% of primary care physicians assess patients' vaccination status.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateAug 26, 2025

Simpler models can outperform deep learning at climate prediction

Simpler, physics-based models can generate more accurate predictions than state-of-the-art deep-learning models for certain climate scenarios. However, simple models are more accurate when estimating regional surface temperatures, while deep-learning approaches excel at local rainfall estimation.

SourceMassachusetts Institute of Technology·JournalJournal of Advances in Modeling Earth Systems·TypeComputational simulation/modeling·DateAug 26, 2025

People without health insurance are less likely to obtain life-saving hospital transfers

A new University of Michigan study found that critically ill patients without health insurance are less likely to receive inter-hospital transfers for treatment, leading to higher mortality rates. Patients with commercial insurance have a significantly lower risk of death compared to those without insurance or with Medicare/Medicaid.

SourceMichigan Medicine - University of Michigan·JournalJAMA Network Open·DateAug 26, 2025

Busy bees can build the right hive from tricky foundations

Honeybees use various strategies to build hives that accommodate different space constraints, including merging cells, tilting borders and layering combs. Researchers observed these adaptations using X-ray microscopy and found that the bees' behavior is intuitive and physics-based.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateAug 26, 2025

KAIST develops AI that automatically detects defects in smart factory manufacturing processes even when conditions change​

Researchers at KAIST have developed a new time-series domain adaptation technology that allows existing AI models to detect defects accurately even when manufacturing processes or equipment change. The technology achieved up to 9.42% improvement in accuracy compared to existing methods.

Study: Fossils reveal reliable record of marine ecosystem functioning

Fossilized marine invertebrates accurately reflect past ecosystems' functional diversity, offering a powerful tool for understanding long-term ecological change and informing modern conservation efforts. The study supports the growing field of conservation paleobiology by validating the use of functional diversity metrics in fossil data.

SourceUniversity of Nevada, Las Vegas·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateAug 26, 2025

Study IDs what can help collaborative groups actually accomplish their goals

A new study suggests that adopting a 'mixed services transition approach' can improve the ability of collaborative groups to deliver their stated goals. This approach involves starting with small-scale implementation activities while formal planning is finalized, securing additional funding and outlining changes in structure.

SourceNorth Carolina State University·JournalPolicy Sciences·TypeCase study·DateAug 26, 2025

Mount Sinai scientists identify three potent human antibodies against mpox, paving the way for new protective therapies

A team of researchers at Mount Sinai discovered three powerful monoclonal antibodies that target the viral protein A35 and block viral spread in laboratory tests. These antibodies also protected rodents from severe disease and fully prevented death, suggesting they could be promising drug candidates for mpox treatment.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalCell·TypeObservational study·DateAug 26, 2025

Why the foam on Belgian beers lasts so long

ETH Zurich researchers discovered that Belgian ales like Tripel and Dubbel have stable foam due to surface viscoelasticity or Marangoni stresses. The study also found that beer foam stability depends on protein content and structure, with LTP1 playing a key role in stabilizing foam.

SourceETH Zurich·JournalPhysics of Fluids·DateAug 26, 2025

"Fatigue" strengthen steels

Researchers from NIMS discovered that prior cyclic deformation improves the fatigue limit of steel by suppressing crack initiation. A novel pre-fatigue training technique successfully doubled the fatigue limit of high-strength martensitic steel, providing an effective alternative to tempering heat treatment.

SourceNational Institute for Materials Science, Japan·JournalAdvanced Science·TypeExperimental study·DateAug 26, 2025

Companies 'dumbed down' cryptocurrency disclosures in good markets prior to reporting standardization, Rotman research finds

Researchers found that companies simplified crypto disclosures when markets were favorable, but provided more detailed information when interest was high. The study suggests that reporting standards on crypto activities should be refined for better investor quality information.

SourceUniversity of Toronto, Rotman School of Management·JournalJournal of Alternative Finance·TypeData/statistical analysis·DateAug 26, 2025

New technique at HonorHealth Research Institute uses ultrasound to activate drugs targeting pancreatic cancer

Researchers at HonorHealth Research Institute have developed a new technique using ultrasound to activate targeted drugs in pancreatic cancer treatment. The Acoustic Cluster Therapy (ACT) method helps increase the effectiveness of chemotherapy while reducing potential toxicity throughout the body.

SourceHonorHealth Research Institute·TypeRandomized controlled/clinical trial·DateAug 26, 2025

As World Alzheimer’s Month approaches, supporting personhood for family members with dementia is key

A new study from UConn researcher Amanda Cooper provides suggestions for families to communicate effectively with loved ones living with dementia while upholding their personhood. The study recommends reminiscing about past experiences, expressing gratitude, and adjusting communication approaches based on the individual's current capab...

SourceUniversity of Connecticut·JournalJournal of Family Communication·TypeMeta-analysis·DateAug 26, 2025

A new shrimp roommate

Researchers from Kyoto University discovered a new shrimp roommate, Betaeus levifrons, living in Japanese mud shrimp (Upogebia major) burrows on the Pacific coast of Hokkaido. This symbiotic relationship highlights the unique ecological and evolutionary processes underlying these interactions.

SourceKyoto University·JournalJournal of the Marine Biological Association of the United Kingdom·TypeObservational study·DateAug 26, 2025

AI review unveils new strategies for fixing missing traffic data in smart cities

Researchers from Shandong Technology and Business University survey the latest AI-powered techniques to fill in missing traffic data gaps. The study categorizes and compares leading data imputation methods, offering a clear roadmap for researchers and city planners to improve traffic management and smart city operations.

SourceELSP·JournalArtificial Intelligence and Autonomous Systems·TypeSystematic review·DateAug 26, 2025

Hybrid Kerr-electro-optic frequency combs on thin-film lithium niobate

Researchers have developed a hybrid Kerr-electro-optic frequency comb on thin-film lithium niobate, resolving limitations in traditional approaches. The device achieves both large spectral coverage and dense line spacing, capabilities that were difficult to realize simultaneously.

Making the weight in four years

Researchers from Kyoto University discovered that periodical cicadas use a four-year body weight threshold to decide when to emerge. The 16-year-old nymphs with red eyes and large body weights likely exceeded the critical threshold, indicating their decision to emerge.

SourceKyoto University·TypeObservational study·DateAug 26, 2025

American Gastroenterological Association, Latica partner to assess living guidelines using real-world evidence

The IBD Living Guidelines Real-World Evidence Study evaluates the clinical and operational impact of AGA's first living guideline on managing ulcerative colitis. Latica's proprietary data platform and robust clinical datasets are used to uncover real-world insights on treatment adoption, care pathways, and patient outcomes.

Largest ever study into cannabis use investigates risk of paranoia and poor mental health in the general population

Research from King's College London and University of Bath found that people who self-medicate with cannabis for physical or mental discomfort are more likely to develop paranoia and anxiety. The study also discovered a link between childhood trauma and increased paranoia scores, which is exacerbated by cannabis use.

SourceKing's College London·JournalBMJ Mental Health·TypeObservational study·DateAug 26, 2025

For bees, diet isn’t one-size-fits-all

A long-term field study found that wild bumble bees strategically target flowers to balance their diet, adjusting their consumption of protein, fat, and carbs based on tongue length and seasonal flower availability. This nuanced approach allows them to thrive together and maintain strong colonies.

SourceNorthwestern University·JournalProceedings of the Royal Society B Biological Sciences·DateAug 26, 2025

AI chatbots inconsistent in answering questions about suicide

A new RAND study found that three widely used AI chatbots are generally consistent in responding to very-high-risk and very-low-risk questions about suicide, but inconsistent in answering intermediate-risk questions. ChatGPT and Claude generated appropriate responses to very-low-risk questions, while Gemini's responses were more variable.

SourceRAND Corporation·JournalPsychiatric Services·TypeExperimental study·DateAug 26, 2025

Primate thumbs and brains evolved hand-in-hand

A study of 94 primate species found that those with longer thumbs had larger brains, indicating a link between manual dexterity and brain evolution. The research suggests that as primates developed better hand skills, their brains grew to process and use these abilities effectively.

SourceUniversity of Reading·JournalCommunications Biology·DateAug 26, 2025

BU study finds type 2 diabetes blood factors drive breast cancer aggression

Researchers at Boston University School of Medicine found that tiny particles in the blood, known as exosomes, can reprogram immune cells inside tumors making them weaker and allowing the cancer to grow and spread more easily. The study provides new insights into why people with type 2 diabetes have worse breast cancer outcomes.

SourceBoston University School of Medicine·JournalCommunications Biology·TypeExperimental study·DateAug 26, 2025