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Science News Archive September 2026 - Page 21


Page 21 of 54

Drought in the Northeastern United States has decreased

A new study from Dartmouth College found that droughts in the Northeastern US have decreased due to increased precipitation, outpacing water loss from the surface. The research team analyzed changes in drought frequency, intensity, and duration from 1901 to 2022, comparing their results to the US Drought Monitor.

SourceDartmouth College·JournalJournal of Hydrometeorology·DateSep 21, 2026

Children born today in Europe will live through almost twice as much extreme fire weather as their grandparents

A new study projects that children born in 2025 will live through more than three additional years of extreme fire weather compared to those born in 1950, mainly due to climate change. Limiting warming to 1.5°C could reduce lifetime exposure by more than a year, giving them a chance at a full and healthier life.

SourceVrije Universiteit Brussel·JournalEnvironmental Research Letters·DateSep 21, 2026

Lessons from 7 October for European mass casualty planning

A study from Linköping University highlights the importance of regular drills, staff safety, and communication systems in mass casualty planning. The research shows that staff training exercises enable staff to work automatically during crises, while staff safety is crucial to prevent attacks on staff and ensure system effectiveness.

SourceLinköping University·JournalDisaster Medicine and Public Health Preparedness·DateSep 21, 2026

Study identifies increased levels of meprin-β in the brain and cerebrospinal fluid of people with Alzheimer’s disease

Researchers identify elevated levels of meprin-β in brain and cerebrospinal fluid of people with Alzheimer's disease, particularly in advanced stages. This finding suggests a possible relationship between meprin-β and beta-amyloid accumulation, a hallmark of the disease.

SourceUniversidad Miguel Hernandez de Elche·JournalAlzheimer s Research & Therapy·TypeExperimental study·DateSep 21, 2026

A film thinner than a human hair blocks electromagnetic waves—and hides heat!

A team of researchers developed an ultrathin composite film combining electromagnetic interference shielding and infrared stealth, achieving an EMI shielding effectiveness of approximately 90 decibels. The film has a tensile strength comparable to that of high-strength steel and effective suppression of infrared emission.

SourceNational Research Council of Science & Technology·JournalAdvanced Composites and Hybrid Materials·DateSep 21, 2026

Working with engineered stone countertops can lead to silicosis, a lung disease

Working with engineered stone can lead to silicosis, a lung disease, as seen in a 47-year-old man who developed lung nodules after 10 years of exposure. The case highlights the need for regulatory reform, mandatory surveillance, and proactive worker education in industries using engineered stone.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCase study·DateSep 21, 2026

Guideline to reduce vaccination distress offers menu of options

The guideline provides new research-based tools and practical strategies to help health system leaders, healthcare providers, and individuals reduce vaccination distress. It emphasizes choosing coping strategies before and/or during vaccination, framed around the CARD system, an evidence-based tool developed by several authors.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateSep 21, 2026

Background-free quantitative phase imaging with adaptive-optics surface plasmon resonance holographic microscopy

Researchers propose adaptive optics-based surface plasmon resonance holographic microscopy for background-free quantitative phase imaging. The method eliminates wavefront aberrations and enables high-quality imaging of samples with dense cell layers, promising applications in biomedical and materials science.

Porphyrin-enhanced LiFePO4 cathodes combine high capacity with long-term stability

Researchers developed a redox-active ligand-stabilized LFP cathode integrating porphyrin molecules with nanoscale LFP, achieving high capacity and long-term stability. The cathode delivers approximately 260 mAh g−1 at 20 mA g−1 and retains 140 mAh g−1 at 2000 mA g−1, with nearly 100% Coulombic efficiency.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeNews article·DateSep 20, 2026

Optical singularity protractor for rotating metrology with neuromorphic sensing

A novel optical singularity protractor enables precise rotation sensing with neuromorphic sensing, overcoming limitations of traditional Doppler-based methods. The approach decodes rotational frequency shift by tracking phase singularity trajectories, achieving high-precision and robust performance in complex scenarios.

Einstein probe and LHAASO reveal a 42-light-year directed journey of cosmic rays

The joint observations from the Einstein Probe and LHAASO reveal a 42-light-year-long X-ray tail near a pulsar, tracing the long journey of high-energy cosmic particles. The tail's direction matches the ultrahigh-energy gamma-ray emission, indicating that particles do not immediately diffuse isotropically after leaving their source.

SourceChinese Academy of Sciences Headquarters·JournalScience China Physics Mechanics and Astronomy·DateSep 20, 2026

3D-printed honeycomb absorbers enable ultra-broadband electromagnetic shielding

Researchers developed a rheologically engineered 3D-printing strategy for highly loaded graphene/carbonyl iron composites, resulting in gradient honeycomb absorbers capable of ultra-broadband attenuation. The absorber achieves broadband absorption from 18 GHz to 4 THz with stable performance under various environmental conditions.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeNews article·DateSep 20, 2026

Molecular perovskite as a new platform for multicomponent energetic crystals

Molecular perovskite energetic materials have been developed as a new platform for multicomponent energetic crystals. The A-site can accommodate different organic cations, while the B-site and X-site can be replaced by different cations and energetic anions, allowing for the construction of diverse energetic crystals through component ...

SourceKeAi Communications Co., Ltd.·JournalEnergetic Materials Frontiers·DateSep 20, 2026

Surface charge-mediated heteroaggregation of chloropyromorphite with natural inorganic colloids: Mechanisms and remediation implications

Researchers found that montmorillonite inhibits chloropyromorphite aggregation by increasing negative surface charge, while goethite promotes rapid aggregation through charge neutralisation. Divalent calcium ions accelerate CPY settling through charge screening and cation bridging.

SourceKeAi Communications Co., Ltd.·JournalEnvironmental Surfaces and Interfaces·TypeExperimental study·DateSep 20, 2026

SNU professor Sang Woo Seo’s team boosts cell factory productivity by turning easily degraded MRNA into ‘rings’

The team's CRESEnT technology converts easily degraded mRNA into a circular form, increasing protein production and stability. This enhances the productivity of cell factories used to produce valuable compounds, such as biofuels and pharmaceutical ingredients.

SourceSeoul National University College of Engineering·JournalNucleic Acids Research·TypeExperimental study·DateSep 20, 2026

Flexible composite offers tritium containment and radiation shielding for fusion facilities

Researchers developed a flexible composite that can contain tritium and shield against nuclear radiation, offering a potential solution for radiation protection in future fusion facilities. The composite showed good resistance to thermal expansion, aging, and radiation, with effective shielding performance comparable to concrete.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Materials Research and Technology·DateSep 20, 2026

Rainwater tanks may be harbouring hidden health risks

Researchers found Campylobacter, Salmonella, Shigella, and Pseudomonas aeruginosa bacteria in 13%, 10%, 3%, and 12% of tanks, respectively, with elevated metal levels detected in metal tanks and poorly maintained systems. Regular maintenance and proper handling of rainwater systems are crucial to ensure water quality and public health.

SourceAdelaide University·JournalJournal of Environmental Management·TypeExperimental study·DateSep 20, 2026

Personalized programs to prevent falls may make no difference: Cochrane review

A new Cochrane review suggests that personalized programs to prevent falls in older people may not be effective in reducing falls. The review found that multifactorial programs, which are tailored to individual risk, have little or no benefit in preventing falls compared to standard medical care, exercise, or falls prevention education.

SourceUniversity of Exeter·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateSep 20, 2026

Mifepristone more effective than other common emergency contraception methods

A new Cochrane review has found that emergency contraception containing mifepristone is more effective than other common methods, such as levonorgestrel, with fewer side effects. Mifepristone also showed a lower risk of nausea and vomiting compared to other methods, but a higher likelihood of delayed menstruation.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateSep 20, 2026

Shoppers know fast fashion harms environment but keep buying: study

A new study from RMIT University suggests that environmental awareness alone may not stop people from buying ultra-fast fashion. Shoppers weigh sustainability against price and convenience, using budgets and careful planning to make purchases feel more acceptable. The study identifies two psychological patterns, strategic spontaneity a...

SourceRMIT University·JournalJournal of Global Fashion Marketing·TypeCase study·DateSep 20, 2026

KAIST develops a strategy to balance radical generation and catalyst regeneration, enabling challenging chemical reactions

A KAIST research team developed a strategy to balance radical generation and catalyst regeneration, broadening the possibility of synthesizing complex molecules. The team used a ligand to regulate the copper catalyst's redox behavior, enabling efficient radical generation and catalyst regeneration.

Running marathons with type 1 diabetes can be safe, shows small study using continuous glucose monitoring devices

Researchers assessed glucose levels, carbohydrate intake, and continuous glucose monitoring accuracy during the 2025 Poznań Marathon. Participants with type 1 diabetes completed the race with performance comparable to controls, highlighting the potential for safe marathon participation with proper glucose management.

Deep learning helps scientists design materials that can both detect and capture toxic sulfur gases

Researchers developed a multitask deep learning framework to predict how strongly a material adsorbs sulfur gases and how effectively it senses them. The approach accelerated the discovery of materials for gas detection and purification, highlighting specific material candidates with strong sensing responses to toxic gases.

Dual-metal fluorescent probe enables ultrasensitive, color-changing uranium detection with a smartphone

Researchers have developed a fluorescent sensing platform that can detect uranyl ions at very low concentrations while producing a color change that can be analyzed with a smartphone. The probe achieves ratiometric detection with built-in self-calibration, providing accurate quantification of uranium contamination in water.

SourceShenyang Agricultural University Collaborative Journals·JournalSustainable Carbon Materials·TypeExperimental study·DateSep 18, 2026

Proven radiotracer highly effective in detecting rare, aggressive kidney cancer

A new radiotracer, 18F-FDG PET/CT, has been shown to be highly effective in detecting rare and aggressive kidney cancer, renal medullary carcinoma (RMC). The tracer identified lesions in 98% of RMC patients and led to a change in treatment plan for 21% of patients with active disease, highlighting its potential to improve patient care.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateSep 18, 2026

Scientists map the hidden protein network that helps red blood cells adapt to oxygen

Researchers identified 3,775 proteins in red blood cells and mapped thousands of physical interactions, revealing a dynamic network that adapts quickly to low-oxygen conditions. The study provides new insight into how red blood cells respond to high-altitude exposure and strenuous exercise, as well as pathological hypoxia.

SourceUniversity of Colorado Anschutz·JournalBlood·TypeExperimental study·DateSep 18, 2026

Loss of Y chromosome in men could be early warning sign of cancer

Researchers found that the loss of the Y chromosome in healthy-seeming tissue can serve as an early indicator of cancer development. The study analyzed 1,000 tissue samples from 405 men and discovered that Y chromosome loss increased in normal tissue adjacent to tumors, particularly in organs like the colon, rectum, and esophagus.

SourceUniversity of Arizona·JournalJCI Insight·TypeRandomized controlled/clinical trial·DateSep 18, 2026

A machine learning model distinguishes levels of psychological resilience in healthcare workers with 75% accuracy

A machine learning model accurately predicted healthcare workers' psychological resilience with 75% accuracy during the COVID-19 pandemic. The study identified stress, anxiety, and depression as key factors weakening resilience, while coping strategies like social support and meditation were associated with greater resilience.

SourceUniversidad Tecnica Particular de Loja·JournalDiscover Artificial Intelligence·TypeData/statistical analysis·DateSep 18, 2026

Kids involved with child protective services miss much more school than their peers

Research from Ohio State University found that students with CPS contact are more likely to miss school and feel disconnected from their schools. Despite school connectedness interventions, these students still face attendance gaps, emphasizing the need for a broader toolkit addressing poverty, housing, and health disparities.

SourceOhio State University·JournalChildren and Youth Services Review·DateSep 18, 2026