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Science News for August 25, 2025


Thermal-stable Ethylammonium doping enables customization of the emission properties of perovskite quantum dots

Scientists developed a novel synthesis method that enables precise control of emission properties in perovskite quantum dots. The approach results in enhanced stability, efficiency, and tailored emission across the Rec.2020 red spectrum. This breakthrough paves the way for high-performance pure-red light-emitting diodes.

SourceScience China Press·JournalScience Bulletin·TypeExperimental study·DateAug 25, 2025

Chinese Neurosurgical Journal’s article examines the beneficial effects of carotid endarterectomy on the blood-brain barrier

Researchers found that carotid endarterectomy reverses impaired blood-brain barrier properties only in the operative side, improving cerebral hemodynamic parameters. The study suggests potential implications for preventing stroke incidence and improving cognitive decline in patients with bilateral carotid artery stenosis.

SourceChinese Neurosurgical Journal·JournalChinese Neurosurgical Journal·TypeImaging analysis·DateAug 25, 2025

A strongly coupled cluster heterostructure with Pt–N-Mo bonding for durable and efficient H2 evolution in anion-exchange membrane water electrolyzers

Researchers develop a Pt–N-Mo bonding heterostructure that boosts water-splitting kinetics, resists degradation for >500 hours and reduces hydrogen production costs to US$2.02 kg⁻¹. The catalyst delivers high energy efficiency and a techno-economic win, paving the way for gigawatt-scale deployment.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateAug 25, 2025

Gut bacteria can reveal colorectal cancer

Researchers created comprehensive catalogue of human gut microbiota subspecies and developed model predicting colorectal cancer presence from stool samples. The method detected 90% of cancer cases, outperforming current non-invasive detection methods.

SourceUniversité de Genève·JournalCell Host & Microbe·TypeNews article·DateAug 25, 2025

AI + knowledge graph facilitate catalytic pathway design

A new AI-driven framework uses a custom-built catalysis knowledge graph and LLMs to recommend relay catalysis pathways. The system successfully found existing and suggested new pathways for several target molecules, demonstrating its potential to improve efficiency and selectivity in chemical reactions.

SourceScience China Press·JournalNational Science Review·TypeComputational simulation/modeling·DateAug 25, 2025

Researchers propose hydroxyl adsorption as selectivity descriptor for electrocatalytic nitrate reduction to ammonia

A team of researchers proposes hydroxyl adsorption as a selectivity descriptor for electrocatalytic nitrate reduction to ammonia over copper-based catalysts. They found that more negative potentials and lower NO3- concentrations can improve ammonia selectivity.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalACS Catalysis·TypeCommentary/editorial·DateAug 25, 2025

Researchers develop novel deeplearning framework for accurate battery health prediction

A new deeplearning framework uses federated transfer learning to predict battery state of health during fast charging, preserving user privacy. The framework outperforms traditional methods and has been integrated into intelligent battery management systems.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalIEEE Transactions on Transportation Electrification·TypeCommentary/editorial·DateAug 25, 2025

Bronx Program offering incentives to grocery shop online shows promise in increasing healthy purchases and reducing food insecurity

A new NYU study found that an online grocery shopping program increased household purchases of healthy foods and reduced food insecurity among low-income caregivers. The program provided incentives such as free delivery, text messages, and financial assistance to encourage participation.

SourceNew York University·JournalJournal of Nutrition Education and Behavior·TypeExperimental study·DateAug 25, 2025

Moderate-to-regular daily sleep patterns are associated with enhanced cognitive function

A new study published in Sleep Medicine found that daily sleep patterns have a significant impact on cognitive function. Researchers discovered that individuals with moderate-to-regular sleep patterns performed better in cognitive assessments than those with highly irregular or rigid sleep patterns.

New model aims to demystify ‘steam worlds’ beyond our solar system

Astrobiologists have developed a new model to characterize water-rich sub-Neptunes, which are planets with sizes and masses between those of Earth and Neptune. This model accounts for the complex behavior of supercritical water and its implications for planetary formation and potential habitability.

SourceUniversity of California - Santa Cruz·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateAug 25, 2025

The first absolute superconducting switch in a magnetic device

Scientists at the University of Jyväskylä have successfully created a mechanism to completely suppress superconductivity in a magnetic device, paving the way for energy-efficient information technologies. The breakthrough involves Europium sulfide and niobium, enabling absolute on/off switching of superconductivity.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalNature Communications·TypeExperimental study·DateAug 25, 2025

Why repetitive DNA has an active role in the human brain

Researchers at Lund University found that specific sequences within non-coding genome help shape the developing human brain. Disrupting these sequences leads to abnormalities in gene activity and brain organoid growth, highlighting their importance in regulating genes and development.

SourceLund University·JournalCell Genomics·TypeExperimental study·DateAug 25, 2025

Researchers detail reliable measurement for blood-brain barrier opening using focused ultrasound

Researchers from the University of Maryland School of Medicine have developed a reliable measurement for opening the blood-brain barrier using focused ultrasound. By analyzing acoustic emissions signals generated by circulating microbubbles, they found that this method can predict blood-brain barrier opening in patients with glioblasto...

Most epilepsy patients wait a year after starting treatment for seizure relief

A new study reveals that most epilepsy patients with focal epilepsy will still experience seizures for at least a year after starting treatment. The study suggests that neurologists should rethink their initial approach to antiseizure therapy, as many patients may not respond well to the first medication or regimen prescribed.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJAMA Neurology·TypeObservational study·DateAug 25, 2025

The lignin is in the latitude

Researchers at Oak Ridge National Laboratory found that latitude affects lignin production in poplar trees, which has practical applications for innovations in biomaterials and biofuels. The study reveals a correlation between latitude and lignin expression, guiding future plant engineering to adapt to environmental changes.

SourceDOE/Oak Ridge National Laboratory·JournalProceedings of the National Academy of Sciences·DateAug 25, 2025

Brain’s blood flow could change how we understand and treat Alzheimer’s

A new study from the University of Southern California has found that measuring brain blood flow dynamics may be key to understanding and treating Alzheimer's disease. The research team developed a novel 'physio-marker' called the Cerebrovascular Dynamics Index (CDI) using non-invasive Doppler ultrasound and near-infrared spectroscopy.

SourceUniversity of Southern California·JournalAlzheimer s & Dementia Diagnosis Assessment & Disease Monitoring·TypeExperimental study·DateAug 25, 2025

An overview of advancements in screening methods and point-of-care diagnostics for colorectal cancer

Recent advancements in screening methods and point-of-care diagnostics offer hope for early detection and improved outcomes in colorectal cancer. Emerging technologies such as single-cell sequencing, spatial transcriptomics, and artificial intelligence are being leveraged to enhance diagnostic accuracy and personalized risk prediction.

SourceXia & He Publishing Inc.·JournalCancer Screening and Prevention·DateAug 25, 2025

The Second Beijing Consensus on Holistic Integrative Medicine for the Management of Helicobacter pylori-associated “Disease-Syndrome”

The Second Beijing Consensus provides a patient-centered approach to managing H. pylori-associated disease-syndrome, combining Western medical precision with TCM's holistic regulation. It recommends standard treatment regimens, including antibiotic therapy and TCM integration, as well as strategies for refractory cases.

SourceXia & He Publishing Inc.·JournalCancer Screening and Prevention·DateAug 25, 2025

Researchers find link between history of traumatic brain injury and development of malignant brain tumor

A recent study by Mass General Brigham researchers found that adults with a history of moderate-to-severe traumatic brain injuries are at a higher risk of developing malignant brain tumors. The study evaluated data from over 75,000 people and discovered a significant association between TBI and increased tumor development.

SourceMass General Brigham·JournalJAMA Network Open·TypeData/statistical analysis·DateAug 25, 2025

Neural activity linked to self-preoccupied thinking

A neural pattern predicting self-focused thinking has been identified in people with a tendency to internalize. Fluctuating brain activity during rest is associated with maladaptive self-interest, which can lead to depression and anxiety. Researchers hope their findings will help predict the onset of mental health conditions.

SourceSociety for Neuroscience·JournalJNeurosci·DateAug 25, 2025

The NSF Inouye Solar Telescope delivers record-breaking images of solar flare, coronal loops

Astronomers captured dark coronal loop strands with unprecedented clarity during an X1.3-class flare, measuring 48.2 km in width, the smallest ever imaged. The team's high-resolution images offer a potential breakthrough in resolving the fundamental scale of solar coronal loops and improving space weather forecasting.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalThe Astrophysical Journal Letters·DateAug 25, 2025

Including more females in cardiac device trials benefits all patients

A cardiac device trial published in eClinicalMedicine found that improving enrollment of females in such trials can better guide care for all patients. One-year interim study results revealed that participants assigned male at birth were twice as likely to die or experience life-threatening heart rhythm abnormalities, while females sho...

SourceUniversity of Rochester Medical Center·JournalEClinicalMedicine·TypeObservational study·DateAug 25, 2025

Dinosaur teeth give glimpse of early Earth’s climate

A new method reconstructs carbon dioxide levels and photosynthesis from fossilized tooth enamel, shedding light on the climate of the Mesozoic era. The analysis found that atmospheric CO2 levels were four times higher in the late Jurassic period and three times higher in the late Cretaceous period than they are today.

SourceUniversity of Göttingen·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 25, 2025

What can prairie dogs teach us about wildfire management?

Research suggests that black-tailed prairie dogs can reduce wildfire behavior by altering landscape features and promoting the growth of fire-resistant vegetation. By incorporating prairie dog activity into fire behavior models, land managers could develop more effective strategies for prevention and mitigation.

SourceUniversity of Arizona·JournalBioScience·TypeLiterature review·DateAug 25, 2025

New discovery of wild cereal foraging – a precursor to agriculture – far from the fertile crescent

Researchers found evidence of wild barley harvesting 9,200 years ago in Toda Cave, southern Uzbekistan, suggesting a more widespread transition to farming. The discovery contradicts the idea that agriculture developed independently in various parts of the world, instead revealing a more complex and interconnected process.

SourceMax Planck Institute of Geoanthropology·JournalProceedings of the National Academy of Sciences·DateAug 25, 2025

Flamingos reveal their secret to ageing

A new study reveals that migratory flamingos, which travel every year, age more slowly than resident flamingos, which stay in one place. This discovery provides insights into the mechanisms of ageing and how environmental factors influence the rate of ageing in animals.

SourceTour du Valat·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 25, 2025

VCs backed Black founders after BLM – but it didn’t last

A new study by Cornell researchers found that VC interest in Black-founded startups peaked after BLM protests, but funding was short-lived. Black-owned startups raised only about a third as much funding as similar non-Black owned startups, even when comparing similar businesses in the same industry, year and state.

SourceCornell University·JournalManagement Science·TypeData/statistical analysis·DateAug 25, 2025

Trump shooting and Biden exit flipped social media from hostility to solidarity – study

A new study by University of Cambridge researchers found that social media engagement flips from hostility to solidarity after a major crisis, such as the attempted assassination of Donald Trump and Joe Biden's suspension of his re-election campaign. This 'ingroup love' effect is seen in Republican and Democrat posts expressing unity a...

SourceUniversity of Cambridge·JournalProceedings of the National Academy of Sciences·DateAug 25, 2025

Mediterranean diet combined with calorie reduction and exercise may reduce risk of type 2 diabetes by nearly one-third

A Mediterranean-style diet, along with reduced caloric intake and moderate physical activity, has been shown to lower the risk of type 2 diabetes by 31%. The study found that participants in the intervention group lost an average of 3.3 kilograms and reduced their waist circumference by 3.6 centimeters.

SourceHarvard T.H. Chan School of Public Health·JournalAnnals of Internal Medicine·TypeRandomized controlled/clinical trial·DateAug 25, 2025

3.8g, mass producible SiC diffractive waveguide without Rainbow Artifacts

A team of scientists developed a revolutionary SiC-based AR display platform that solves the challenges of lightweight design, full-color display, and mass production. The technology achieved excellent performance, including a high luminous efficiency and compact design with integrated vision correction.

Generative AI uncovers undetected bird flu exposure risks in Maryland emergency departments

A new study uses generative AI to quickly scan notes in electronic medical records and identify high-risk patients with potential H5N1 avian influenza exposure. The model detected 76 patients with high-risk exposures, including 14 confirmed cases of recent bird flu exposure.

SourceUniversity of Maryland School of Medicine·JournalClinical Infectious Diseases·TypeData/statistical analysis·DateAug 25, 2025

High concentration THC associated with schizophrenia, psychosis, and other unfavorable mental health outcomes

A systematic review found that high-concentration delta-9-tetrahydrocannabinol (THC) cannabis products are linked to unfavorable mental health outcomes, including psychosis and schizophrenia. The review of 99 studies suggests that higher THC concentrations increase the risk for adverse mental health effects.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateAug 25, 2025

Chinese scientists develop high-performance iron catalyst for fuel cells

A team of Chinese scientists has developed a high-performance iron-based catalyst for proton exchange membrane fuel cells (PEMFCs), which could potentially reduce reliance on scarce and expensive platinum. The new design enables record efficiency and long-term durability, achieving an oxygen reduction overpotential as low as 0.34 V.

SourceChinese Academy of Sciences Headquarters·JournalNature·TypeExperimental study·DateAug 25, 2025

Common painkillers linked to antibiotic resistance

Research from the University of South Australia finds that ibuprofen and paracetamol drive antibiotic resistance when used individually, but amplifying it when combined. The study also reveals that common bacteria like E. coli become highly resistant to antibiotics and multiple other medications.

SourceUniversity of South Australia·Journalnpj Antimicrobials and Resistance·TypeExperimental study·DateAug 25, 2025

Mediterranean diet with fewer calories and exercise lowers diabetes risk by 31%

A large Spanish multicenter clinical trial found that a calorie-reduced Mediterranean diet combined with moderate exercise reduces type 2 diabetes risk by 31%. The intervention group also lost weight and reduced waist circumference, preventing approximately three in every 100 participants from developing the disease.

SourceUniversidad de Navarra·JournalAnnals of Internal Medicine·TypeRandomized controlled/clinical trial·DateAug 25, 2025

New study reveals the role of subtle changes of Northern Westerlies in the East Asian monsoon variability

Researchers found that short interstadials trigger a northward leap of the Westerlies, facilitating near-source moisture transport and suppressing δ18O depletion. The study provides new insights into the complex dynamics behind abrupt climate changes.

SourceXi'an Jiaotong University, Institute of Global Environmental Change·JournalNature Communications·TypeCommentary/editorial·DateAug 25, 2025

Mediterranean diet may offset genetic risk of Alzheimer's

Researchers found that a Mediterranean-style diet helps reduce dementia risk and slow cognitive decline in people with high genetic risk for Alzheimer's disease. The diet has been shown to broadly influence key metabolic pathways, suggesting it could be an effective strategy for reducing the risk of cognitive decline.

SourceMass General Brigham·JournalNature Medicine·TypeObservational study·DateAug 25, 2025

Scientists date the origin of Jupiter by studying the formation of “molten rock raindrops”

Researchers at Nagoya University and the Italian National Institute for Astrophysics have determined how molten rock droplets formed in Jupiter's early days. Their study shows that chondrule characteristics are influenced by the water content of impacting planetesimals, providing a clearer picture of solar system formation.

SourceNagoya University·JournalScientific Reports·TypeComputational simulation/modeling·DateAug 25, 2025

Genetic testing of IVF embryos helps women over 35 conceive faster

A new clinical trial found that genetic testing of IVF-created embryos can improve pregnancy and live birth rates for women aged 35-42, reducing the time to conception and emotional toll of failed cycles. The study showed a 20% increase in cumulative live births with 72% success rate compared to 52% without PGT-A

SourceKing's College London·JournalJournal of Clinical Medicine·TypeRandomized controlled/clinical trial·DateAug 25, 2025

New guideline offers menu of options to help people quit smoking tobacco

A new guideline from the Canadian Task Force on Preventive Health Care provides a menu of effective options to help people quit smoking, including behavioural and medication options. The guideline aims to address the challenges of nicotine addiction and offers personalized choices for quitting tobacco.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeSystematic review·DateAug 25, 2025

"Turning spin loss into energy", developing a key technology for ultra-low power next-generation information devices

Researchers developed a device principle that utilizes 'spin loss' as a new power source for magnetic control, increasing energy efficiency up to three times higher than conventional methods. The technology is practical, industrially scalable, and compatible with existing semiconductor processes.

SourceNational Research Council of Science & Technology·JournalNature Communications·DateAug 25, 2025