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Science News for September 23, 2025


Intelligent planning unlocks sustainable city futures

Researchers developed an AI-powered framework to optimize urban space use in Beijing, proposing strategies for repurposing vacated areas into farmland, forests, or public facilities. The study demonstrated the framework's predictive power and adaptability, highlighting tensions between policy goals and economic incentives.

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·DateSep 23, 2025

AngleNet: a game-changer in atmospheric humidity retrieval

A new deep-learning model, AngleNet, significantly improves the retrieval accuracy of atmospheric relative humidity profiles from ground-based microwave radiometers. The model captures complex nonlinear relationships between brightness temperature and humidity profiles, leading to better understanding and forecasting of atmospheric the...

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·DateSep 23, 2025

Smart blood: How AI reads your body's aging signals

Researchers linked physical fitness to blood biomarkers using AI and machine learning. Aspartate emerged as a key player in predicting activity level and healthy aging. The study mapped dynamic interactions between metabolites and revealed a molecular bridge between muscle-liver health and brain resilience.

SourceUniversity of Vienna·Journalnpj Systems Biology and Applications·DateSep 23, 2025

Heat and toxic exposures could harm kidneys in agricultural workers

A new study by the University of Arizona found that heat exposure and toxic metal exposure can increase signs of kidney injury in agricultural workers. The study suggests that providing mandatory breaks, water, electrolyte replacement, and restrooms nearby can help prevent heat-related illnesses and kidney damage.

SourceUniversity of Arizona Health Sciences·JournalEnvironmental Research·TypeObservational study·DateSep 23, 2025

Protein in urine can predict risk of dementia

A study published in Journal of Internal Medicine found that people with moderate to high levels of albumin in their urine have a higher risk of developing dementia. The researchers discovered an association between albuminuria and increased risk of dementia, independent of kidney function.

SourceKarolinska Institutet·JournalJournal of Internal Medicine·DateSep 23, 2025

Are schools making young people lonelier?

A Flinders University study suggests schools can be emotionally unsafe spaces where social hierarchies and exclusion shape student feelings and belonging. The research highlights the role of bullying and undesirable social connections in fostering loneliness among young people.

SourceFlinders University·JournalCritical Studies in Education·TypeSurvey·DateSep 23, 2025

How climate policy can be made socially just and enforceable worldwide

A model study explores how carbon pricing paired with redistribution can help the energy transition and climate globally, increasing welfare and reducing economic inequality. The research team developed an integrated assessment model to map relationships between economy, income distribution, and climate policy in 179 countries.

SourcePotsdam Institute for Climate Impact Research (PIK)·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateSep 23, 2025

Color-thermal multispectral camouflage with VO2-based dynamic regulator

A team of scientists developed a multispectral dynamic regulator based on vanadium dioxide (VO2) for tunable control in visible and mid-infrared bands. The device achieves dynamic color-thermal camouflage, mitigating interference from additional heat sources and enhancing performance across diverse environments.

Longer body size means more female calves for baleen whale moms

Researchers tested a popular evolutionary theory by comparing maternal length and fetal sex in over 100,000 whales. They found that the fetal sex ratio skews female for longer body size, suggesting that female calves benefit more from heritable fitness than males do. The findings contradict the Trivers-Willard hypothesis.

SourceUniversity of Washington·JournalProceedings of the Royal Society B Biological Sciences·TypeData/statistical analysis·DateSep 23, 2025

BMJ Group retracts trial on apple cider vinegar and weight loss

A study on apple cider vinegar's effectiveness in weight loss was retracted by BMJ Group due to significant methodological flaws, including implausible statistical values and inadequate reporting. The retraction was prompted by concerns raised by statisticians and experts who were unable to replicate the results.

SourceBMJ Group·JournalBMJ Nutrition Prevention & Health·TypeRandomized controlled/clinical trial·DateSep 23, 2025

From trash to treasure: Indonesian scientists turn plastic bags into glowing water sensors

Researchers from Universitas Gadjah Mada develop a breakthrough nanotechnology that converts plastic waste into glowing particles detecting toxic metals in drinking water with high precision and low cost. The innovation is a powerful step toward a circular economy, where waste becomes a resource for public health.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalCarbon Research·TypeExperimental study·DateSep 23, 2025

Gut bacteria linked to how our genes switch on and off, UH research finds

A University of Hawaii study reveals how gut microbes interact with human genes, shaping disease risk, aging, and future medical treatments. The review highlights the potential for personalized medicine and precision health strategies tailored to each individual's unique microbial and epigenetic makeup.

SourceUniversity of Hawaii at Manoa·JournalInternational Journal of Molecular Sciences·TypeLiterature review·DateSep 23, 2025

Family Heart Foundation announces recommendations to improve universal screening for underdiagnosed genetic condition in children, which causes early onset cardiovascular disease

A multidisciplinary panel published in the Journal of Pediatrics advocates for accelerated diagnosis of familial hypercholesterolemia, a life-threatening genetic condition. Universal lipid screening is recommended to identify affected children at high risk of heart disease decades earlier than those without the condition.

SourceFamily Heart Foundation·JournalThe Journal of Pediatrics·TypeSystematic review·DateSep 23, 2025

Drinking any amount of alcohol likely increases dementia risk

A large observational study found a U-shaped association between alcohol consumption and dementia risk, with non-drinkers and heavy drinkers at higher risk. Genetic analyses also showed that increased genetic risk for all three exposure levels was associated with an increased risk of dementia.

SourceBMJ Group·TypeData/statistical analysis·DateSep 23, 2025

Woodrats’ dietary choices driven by constraints

A new study analyzing the dietary choices of wild woodrats reveals that individual diets may not be as diverse as previously assumed. The research suggests that the costs of specializing on one food source or diversifying one's diet have a strong impact on an animal's ability to survive and thrive.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateSep 23, 2025

Turning pesticide residues into plant nutrients: A new strategy for cleaner soils and healthier crops

Researchers develop a novel biochar-based catalyst that transforms harmful pesticide residues into ammonium nitrogen, a nutrient essential for plant growth. The approach eliminates pesticide residues from soil while boosting lettuce growth, offering a potential tool for sustainable agriculture.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateSep 23, 2025

New single-dose, temperature-stable rabies vaccines could expand global access

Researchers at CU Boulder have developed a new method for creating human rabies vaccines that are stable at high temperatures and can be stored in a dry powder form. This innovation addresses the storage challenges faced by developing countries, where traditional vaccines often require refrigeration or specialized cold storage equipment.

SourceUniversity of Colorado at Boulder·JournalJournal of Pharmaceutical Sciences·DateSep 23, 2025

UH Rainbow’s Dr. Charles Macias and the Improving Pediatric Sepsis Outcomes Collaborative honored with John M. Eisenberg Award

The Improving Pediatric Sepsis Outcomes Collaborative has received the prestigious John M. Eisenberg Award, recognizing outstanding leadership and innovation in reducing pediatric sepsis mortality. The award highlights programs demonstrating impact, innovation, sustainability, replicability, and data-driven success.

Study uncovers crucial role of prostacyclin in fetal membrane healing

Prostacyclin has been found to promote fetal membrane repair through the proliferation and migration of amnion mesenchymal cells. This discovery provides new insight into the mechanisms of fetal membrane healing, which could lead to new therapeutic strategies for managing preterm birth and infant mortality.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateSep 23, 2025

Ultra-strong coating inspired by Korean mussels! Next-gen anti-bacterial and anti-viral surface modification technology

A new surface modification technology has been developed using a novel polydopamine-based coating, showing great promise for medical patches, wearable sensors, and other applications. The coating demonstrates strong antibacterial and antiviral properties while being safe and non-toxic.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalAdvanced Healthcare Materials·DateSep 23, 2025

Applied Microbiology International joins forces with microbiology leaders to launch Global Climate Change Strategy

A global alliance of microbiology organizations has unveiled a joint strategy to integrate microbial science into climate policy, innovation and public discourse. The strategy aims to recognize microbes as vital allies in the fight against climate change and chart a clear course for microbiology organizations to lead by example.

SourceApplied Microbiology International·JournalSustainable Microbiology·DateSep 23, 2025

UC Davis researchers look at how the brain prioritizes what we see

UC Davis researchers analyze electrical brain activity to understand how the brain prepares to focus attention on specific features, such as color or direction of movement. The study found that the brain's attention first broadens to a general category before narrowing down to the specific feature, taking an average of 240 milliseconds...

SourceUniversity of California - Davis·JournalNeuroscience·TypeExperimental study·DateSep 23, 2025

FAU engineers develop smarter AI to redefine control in complex systems

Researchers at FAU have developed a smarter AI framework that can manage complex systems with unequal levels of authority and adapt to imperfect information. The framework, based on reinforcement learning and game theory, reduces unnecessary computation while maintaining system stability and optimal strategy outcomes.

SourceFlorida Atlantic University·JournalIEEE Transactions on Systems Man and Cybernetics Systems·TypeComputational simulation/modeling·DateSep 23, 2025

Inconsistent charging stations hinder EV adoption

A survey by University of Washington researchers found that participants with a negative view of public charging were less likely to choose an electric vehicle than those with a moderate view. Participants demanded strikingly large concessions, such as a 30% discount or 366 extra miles of range, before choosing an EV.

SourceUniversity of Washington·JournalTransport Policy·DateSep 23, 2025

Construction of a molten CMAS-resistant bilayer-structured apatite layer used for thermal barrier coatings

Researchers developed a bilayer-structured apatite layer that significantly improves the durability of thermal barrier coatings against calcium-magnesium-alumina-silicate (CMAS) corrosion. The layer, composed of an acicular upper layer and a compact lower layer, shows excellent resistance to CMAS wetting and infiltration.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateSep 23, 2025

Chinese scientists identify neural basis for energy expenditure in arcuate hypothalamus

Researchers have identified a new population of hypothalamic neurons, Crabp1 neurons, that play a critical role in regulating energy expenditure. Silencing these neurons leads to reduced energy expenditure and obesity, while activating them enhances locomotor activity and protects against high-fat diet-induced weight gain.

SourceChinese Academy of Sciences Headquarters·JournalNeuron·TypeExperimental study·DateSep 23, 2025

Diamond power could be a medical implant’s best friend

Researchers at RMIT University have created a 3D-printed diamond–titanium device that can harvest energy from flowing liquid and receive wireless power, paving the way for smarter, safer implants. The innovation combines semiconductive diamonds with metallic titanium to create a structure that is both lightweight and electrically active.

SourceRMIT University·JournalAdvanced Functional Materials·TypeExperimental study·DateSep 23, 2025

Why some U.S. cities thrive while others decline: New study uncovers law of economic coherence of cities

A new study reveals that US cities maintain a constant level of economic coherence despite technological revolutions, with larger cities being less coherent. Coherence combines variety, workforce balance, and industry diversity, constraining transformations and diversification.

SourceComplexity Science Hub·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateSep 23, 2025

HKUST team develops a novel vesicle-based method advancing membrane protein research

A research team at HKUST developed a vesicle-based method to study membrane proteins in their native environments. This approach preserves the native lipid environment and overcomes challenges of detergent-based methods, enabling high-resolution structural studies.

SourceHong Kong University of Science and Technology·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateSep 23, 2025

Solar fuel conundrum nears a solution

Scientists have made significant progress in developing iron-based solar fuel systems, which could pave the way for cheaper and more sustainable fuels. The study reveals new mechanisms that enable efficient charge transfer between light-absorbing molecules and acceptor molecules, reducing energy losses and increasing efficiency.

SourceLund University·JournalJournal of the American Chemical Society·DateSep 23, 2025

Innovative transistors for quantum chips

Researchers at TU Wien developed a new form of doping called modulation acceptor doping (MAD) that improves conductivity without incorporating foreign atoms. This technology enables faster switching times, lower power consumption, and better performance in quantum chips.

SourceVienna University of Technology·JournalIEEE Electron Device Letters·TypeExperimental study·DateSep 23, 2025

A new comprehensive safety assessment framework for liquid hydrogen storage systems in UAVs

A comprehensive safety assessment framework for liquid hydrogen storage systems in UAVs has been developed, addressing thermal performance and structural integrity challenges. The framework integrates multiple analyses, including thermal insulation, structural analysis, fatigue testing, and impact assessments.

SourceSeoul National University of Science & Technology·JournalInternational Journal of Hydrogen Energy·TypeExperimental study·DateSep 23, 2025

Climate change could erase 80% of whitebark pine’s current habitat across the Rockies and Northwest

The study found that climate change could lead to an 80% loss of whitebark pine habitat across the Rockies and Northwest, impacting wildlife and human-dependent ecosystems. The tree's unique relationship with the Clark's nutcracker bird makes it a crucial food source for squirrels and grizzly bears.

SourceUniversity of Colorado Denver·JournalEnvironmental Research·TypeComputational simulation/modeling·DateSep 23, 2025

Fewer traffic deaths with a speed limit of 75

A recent study analyzing data from 2017 to 2019 found that introducing a 75 mph speed limit reduces injury crashes by about 9% and fatal crashes by 35, with significant reductions in severe injuries. The results suggest speed limits are particularly effective at entry and exit points and less frequented roadways.

SourceRuhr-University Bochum·JournalTransportation Research Part A General·TypeComputational simulation/modeling·DateSep 23, 2025

How and why the Israeli army spokesperson leans on Islamic religious expressions when addressing Arab audiences

The Israeli army's use of Islamic religious expressions in Arabic-language messaging aims to resonate with cultural and religious sensibilities. This calculated strategy, analyzed by Dr. Omar Daoudi, employs Quranic citations and sayings to advance broader military objectives, blending cultural familiarity with political intent.

SourceUniversity of Sharjah·JournalMedia War & Conflict·TypeCase study·DateSep 23, 2025

A big step in biodiversity modeling: rare species will be mapped more accurately

Researchers have developed a new statistical method, CORAL, to analyze millions of species data, improving predictions for rare species and their habitats. This approach enables comprehensive modeling and prediction of biodiversity, providing more accurate information for decision-makers and researchers.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalNature Methods·TypeExperimental study·DateSep 23, 2025

Fast-hyperspectral imaging remote sensing: Emission quantification of NO2 and SO2 from marine vessels

A new fast-hyperspectral imaging remote sensing technique enables precise imaging and quantification of nitrogen dioxide (NO₂) and sulfur dioxide (SO₂) emissions from marine vessels. The system achieves accurate plume categorization, outline identification, and detailed observation of trace gas distribution.

New models address problems related to timing, scheduling of surgeries, capacity planning, and patients’ stays in recovery units

Researchers developed an integrated approach to solve the elective surgery assignment, sequencing, and scheduling problem (ESASSP), reducing delays and costs. The study suggests that hospitals can benefit from computationally efficient solutions to minimize operational costs and maximize resource utilization.

SourceCarnegie Mellon University·JournalEuropean Journal of Operational Research·DateSep 23, 2025

Grassland butterflies – important indicators of the state of nature

The 'Grassland Butterfly Index' shows a significant decline in butterfly populations in Germany from 2016 to 2023, with some species decreasing by up to 50%. This trend is consistent with European-wide declines, highlighting the need for effective conservation measures to protect these important ecosystem indicators.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalNature Conservation·TypeData/statistical analysis·DateSep 23, 2025

Air pollution and childhood myopia

A study of nearly 30,000 Chinese children found that air pollution, particularly nitrogen dioxide and fine particles, is a significant risk factor for childhood myopia. Exposure to poor air quality can cause oxidative stress and inflammation of the eye, potentially harming vision.

SourcePNAS Nexus·JournalPNAS Nexus·DateSep 23, 2025

New research identifies educational strategies that fuel lifestyle medicine adoption across health systems

A new study by the American College of Lifestyle Medicine found that intentional educational strategies are critical to adopting lifestyle medicine programming. The study highlights the importance of CME courses, professional certification, webinars, and conference participation in facilitating deepening clinicians' knowledge and skills.

SourceAmerican College of Lifestyle Medicine·JournalTranslational Behavioral Medicine·DateSep 23, 2025

Gesticulating while speaking is key in improving comprehension in children with developmental language disorders

A study by Universitat Oberta de Catalunya researchers found that gestures and speech rhythms are key to helping children with DLD comprehend oral language. Intonation and head inclination can facilitate understanding of complex meanings, particularly in children with language difficulties.

SourceUniversitat Oberta de Catalunya (UOC)·JournalJournal of Communication Disorders·DateSep 23, 2025

Meditation to treat depression and gaming addiction

A study found that mindfulness meditation training significantly decreased depressive symptoms, Internet Addiction Test scores, and video game cravings in individuals with depression and gaming disorder. Brain imaging revealed a decrease in brain responses to gaming cues and increased activity in the lentiform nucleus.

SourcePNAS Nexus·JournalPNAS Nexus·DateSep 23, 2025

BMP9 regulates tooth root development

A study found that BMP9 signaling is crucial for tooth root development, influencing odontoblast differentiation and HERS cell proliferation. The findings reveal a complex regulatory network involving TGF-β and Wnt signaling pathways.

SourceCompuscript Ltd·JournalGenes & Diseases·DateSep 23, 2025

New study reveals critical gap: 45% of experienced professionals lack structured decision-making habits despite high confidence in their own skills

A groundbreaking study by the Global Association of Applied Behavioural Scientists found a significant gap between professionals' confidence and actual preparedness in workplace decision-making. The research identified 24 specific challenges, including training gaps, experience myths, and seeking help in the wrong places.

Study: 72% of Illinois wetlands no longer protected by federal Clean Water Act

A study found that 72% of Illinois' remaining 981,000 acres of wetlands are unprotected under the federal Clean Water Act, despite providing $419 million in residential flood control benefits. The decision also removes protections for wetlands that may better mitigate a storm surge or heavy rain event.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Environmental Management·TypeData/statistical analysis·DateSep 23, 2025

More than a reflex: How the spine shapes sex

The study found that a specific spinal circuit is involved in both ejaculation and arousal, and integrates sensory inputs to adjust its output based on the animal's internal state. The researchers also discovered that Gal⁺ neurons receive sensory input from the penis and can trigger ejaculation, but their effects are suppressed by brai...

SourceChampalimaud Centre for the Unknown·JournalNature Communications·TypeExperimental study·DateSep 23, 2025

How a blood test can aid spinal cord injury recovery

A recent study by the University of Waterloo found that routine blood samples can provide early warnings for spinal cord injury patient outcomes. The research team used machine learning to analyze hospital data from over 2,600 patients and discovered patterns in common blood measurements that could forecast recovery and injury severity.

SourceUniversity of Waterloo·Journalnpj Digital Medicine·DateSep 23, 2025