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Science News for February 26, 2025


Controlling conformational changes in protein aromatic side chains

Researchers at Institute of Science Tokyo designed a protein cage system that can control and visualize orientational changes in aromatic side chains through strategic binding of fluorescent ligands. This approach enables precise control over protein dynamics while enhancing fluorescence properties, with potential applications in biomo...

SourceInstitute of Science Tokyo·JournalAdvanced Science·TypeExperimental study·DateFeb 26, 2025

Major changes to the Sahara Desert 8,000 years ago uncovered by Moroccan stalagmites

Researchers from the University of Oxford discovered that rainfall in the Sahara Desert increased between 8,700 and 4,300 years ago, coinciding with a rise in Neolithic archaeological sites. This finding highlights the importance of a favourable climate on early pastoralist societies, which relied on rainfall for their livestock.

SourceUniversity of Oxford·JournalEarth and Planetary Science Letters·TypeCommentary/editorial·DateFeb 26, 2025

Chinese researchers make breakthrough in artificial chiral structural-color microdomes

Researchers have made a breakthrough in creating artificial chiral-structural-color materials, exhibiting iridescent colors through microscopic structures that interact with light. The new discovery enables the creation of microdomes composed of widely available polymers that produce exceptional dissymmetry and polarization selectivity.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 26, 2025

Experimental and numerical analysis of the potential drop method for defects caused by dynamic loads

The study investigates how the electrodynamic proximity effect can be used to improve defect detection in Structural Health Monitoring (SHM) applications by optimizing measurement setup arrangement. The analysis reveals that proper arrangement of the setup can enhance defect sensitivity up to 300% compared to non-optimized setups.

SourceAdvanced Devices & Instrumentation·JournalAdvanced Devices & Instrumentation·TypeNews article·DateFeb 26, 2025

New screening tool for stroke survivors with visual perception problems

A new 15-minute screening tool can identify visual perception problems in stroke survivors, affecting their quality of life and independence. The Oxford Visual Perception Screen (OxVPS) assesses object and face recognition, reading, eye-hand coordination, and neglect, providing an easy-to-interpret guide for healthcare professionals.

SourceDurham University·JournalClinical Rehabilitation·TypeExperimental study·DateFeb 26, 2025

Better poverty mapping: New machine-learning approach targets aid more effectively

A new machine-learning approach to mapping poverty has been developed by Cornell University researchers, aiming to help policymakers and NGOs better identify the poorest populations in poor countries. The approach uses national surveys and Earth observation data to create actionable terms for policymakers, outperforming previous methods.

SourceCornell University·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateFeb 26, 2025

A new path to recovery: Scientists uncover key brain circuit in the fight against cocaine use disorder

Researchers at Penn Nursing have discovered a critical brain circuit that regulates cocaine-seeking behavior, which they believe can be targeted by developing new GLP-1-based treatments. By understanding how this circuit functions, scientists may develop innovative therapies to treat cocaine use disorder.

No complications associated with early weight bearing on broken ankles

A new study suggests that early weight bearing on broken ankles is generally safe and can help speed up patient recovery by preventing muscle deconditioning and improving joint range of motion. Healthy patients can typically start bearing weight within three weeks of surgical intervention without experiencing increased complications.

SourceUniversity of Missouri-Columbia·JournalThe Journal of Foot & Ankle Surgery·TypeData/statistical analysis·DateFeb 26, 2025

Researchers make recommendations for promoting sustainable development in mangrove forest areas

Researchers from University of Jyväskylä recommend addressing vulnerabilities in coastal communities, such as uncontrolled shrimp farming and pollution. They suggest supporting environmentally friendly livelihoods like freshwater harvesting and agroforestry to promote sustainable development in mangrove forest areas.

Do starchy carbs cause cavities?

A new study published in Microorganisms explores the impact of starch on oral health and finds that high AMY1 copy numbers alter the oral microbiome, increasing disease risk. The researchers discovered that populations with a history of agriculture and starch consumption have more copies of the gene, which provides a survival advantage.

SourceCornell University·JournalMicroorganisms·DateFeb 26, 2025

Innovative CT scan technique could improve prognosis and treatments for head and neck cancers, new research suggests

Researchers analyzed pre-treatment CT scans of patients with head and neck squamous cell carcinoma to identify radiomic biomarkers that can predict the aggressiveness of the disease and its response to treatment. These biomarkers may lead to more targeted therapies and improved survival outcomes for patients.

SourceUniversity of Maryland School of Medicine·JournalScientific Reports·TypeData/statistical analysis·DateFeb 26, 2025

In preparing children for a racially unequal society, families of colour can benefit from more support, study finds

Researchers at McGill University found that parents of colour need information and support to teach their children the skills they need to survive and thrive in a racially unequal society. The study identified three key messages that focus on feeling pride, valuing diversity and recognizing and responding to discrimination.

SourceMcGill University·JournalDevelopmental Psychology·DateFeb 26, 2025

The future of telescope lenses is flar

A team of Utah engineers has developed a large aperture flat lens that focuses light as effectively as traditional curved lenses while preserving accurate color. This technology could transform astrophotography imaging systems in space-constrained applications.

SourceUniversity of Utah·JournalApplied Physics Letters·TypeImaging analysis·DateFeb 26, 2025

What is it like in the core of Mars?

Scientists have identified a crystal phase that could theoretically crystallize under Martian core conditions, suggesting the Red Planet may have a solid inner core. This discovery was made using diamond anvil cells and single-crystal diffraction at the European Synchrotron Radiation Facility.

SourceEuropean Synchrotron Radiation Facility·JournalNature Communications·TypeExperimental study·DateFeb 26, 2025

Sea sponge inspires super strong compressible material

Researchers developed a new material inspired by the Venus' flower basket deep-sea sponge, showcasing remarkable compressive strength and stiffness. The double lattice design overcomes limitations of existing auxetic materials, offering potential applications in construction, sports gear, and medical devices.

SourceRMIT University·JournalComposite Structures·TypeExperimental study·DateFeb 26, 2025

Eavesdropping on whale songs sparks new discoveries in whale ecology

Researchers tracked changes in baleen whale song detection over six years, finding correlations with shifts in foraging conditions and food availability. The study's findings suggest that whale song data can provide insights into the health of marine ecosystems and inform conservation efforts.

SourcePLOS·JournalPLOS One·TypeObservational study·DateFeb 26, 2025

New spatial mechanism for the coexistence of tree species

Researchers discovered a novel spatial mechanism underlying the coexistence of tree species in forests, with mechanisms such as seed dispersal driving patterns in tropical forests and mycorrhizal fungi shaping patterns in temperate forests. This finding has implications for understanding biodiversity stability and species coexistence.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalNature·TypeComputational simulation/modeling·DateFeb 26, 2025

When dads take leave, moms breastfeed longer

A recent survey by Northwestern University found that fathers who take at least two weeks of leave are more likely to report their infant being breastfed at eight weeks. Additionally, families where dads took at least two weeks off had a higher rate of continued breastfeeding at eight weeks compared to those with shorter leave.

SourceNorthwestern University·JournalBMC Public Health·DateFeb 26, 2025

New genetic risk score identifies individuals at risk for heart disease who may benefit most from cholesterol-lowering therapies

Researchers developed a polygenic risk score that examines genes associated with endothelial cell function to identify individuals with higher cardiovascular disease risk. The study found that individuals with intact endothelial function may have protection, while those with EC dysfunction may be more sensitive to LDL-C concentrations.

SourceMass General Brigham·JournalNature Medicine·DateFeb 26, 2025

Beyond the burn: Harvesting dead wood to reduce wildfires and store carbon

A study by Florida Atlantic University investigated how removing dead wood could reduce wildfire risks and enhance carbon storage. The research found that combining physical harvesting with thinning significantly reduced wildfire risks, while lowering carbon emissions and offering carbon sequestration through products like biochar.

SourceFlorida Atlantic University·JournalJournal of Environmental Management·TypeObservational study·DateFeb 26, 2025

A new legal standard for medical malpractice

The American Law Institute has established a new legal framework for resolving medical malpractice claims, focusing on clinical care, patient communication, and practice environment. This updated standard aims to improve healthcare quality and accountability.

SourceJAMA Network·JournalJAMA·DateFeb 26, 2025

Adsorptive regolith on mars soaks up water, researchers reveal

Researchers from Tohoku University have improved a Mars climate model to account for the planet's non-uniform regolith properties. The enhanced model shows that highly absorptive regolith in mid- and low latitudes retains substantial amounts of absorbed water, which remains on the surface as stable adsorbed water.

SourceTohoku University·JournalJournal of Geophysical Research Planets·DateFeb 26, 2025

Preserved ratio impaired spirometry: clinical, imaging and artificial intelligence perspective

PRISm is a form of Pre-Chronic Obstructive Pulmonary Disease (Pre-COPD) characterized by respiratory symptoms and reduced lung function. Imaging assessments, such as computed tomography scans and magnetic resonance imaging, play a crucial role in diagnosing and predicting the prognosis of PRISm.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeLiterature review·DateFeb 26, 2025

Researchers uncover key insights into CO₂ reduction using SnO-based electrocatalysts

A study by the Advanced Institute for Materials Research found that tin monoxide (SnO) electrocatalysts can produce both formic acid and carbon monoxide in significant amounts. The research team identified key structural changes that influence product distribution, providing insights into optimizing electrocatalyst performance.

Hidden allies

Researchers found that an endophytic fungus boosts poplars' natural defenses and those induced by insect damage, altering the plant's chemical defense profile and supporting it with a self-produced defense substance. The fungus also influences interactions between insect populations living on trees.

SourceMax Planck Institute for Chemical Ecology·JournalEcology Letters·TypeExperimental study·DateFeb 26, 2025

A new test will make it possible to detect the parasite responsible for trichomoniasis much more quickly and inexpensively

A new test, developed by Universitat Rovira i Virgili, can detect the Trichomonas vaginalis parasite causing trichomoniasis in just 15 minutes and for less than one euro. The test is as reliable as traditional methods and has been shown to be accurate even at very small concentrations of the parasite.

SourceUniversitat Rovira i Virgili·JournalSensors & Diagnostics·TypeExperimental study·DateFeb 26, 2025

Fossil eggshells from Utah's Cedar Mountain Formation include Cretaceous period eggs from 3 feathered bird-like dinosaurs, 2 herbivorous dinosaurs, and a crocodile-like species found for the first time outside Europe

Researchers have discovered fossilized eggs from three feathered bird-like dinosaurs, two herbivorous dinosaurs, and a previously unknown crocodile-like species in the Cedar Mountain Formation. The findings provide valuable insights into the diversity of ancient life forms and their habitats.

SourcePLOS·JournalPLOS One·DateFeb 26, 2025

Investigating human interaction: When we are in sync

A team from the University of Trento combined AI techniques with neuroimaging measurements to analyze how emotions and language structure influence brain activity during interactions. The results show that neural synchrony is associated with emotional content and semantic structure, with implications for understanding human relationships.

SourceUniversità di Trento·JournalNeuroImage·TypeExperimental study·DateFeb 26, 2025

Quantum fractal patterns visualized

Researchers at Princeton University have directly observed a long-predicted quantum fractal pattern, known as Hofstadter's butterfly, in a real material. The discovery was made possible by a breakthrough in materials engineering and uses scanning tunneling microscopy to study the electron energy levels.

SourcePrinceton University·JournalNature·DateFeb 26, 2025

Droplet forming power is key for cells to attach properly

Researchers at Kobe University discovered that the molecule afadin plays a crucial role in cell adhesion by facilitating droplet formation. This process is essential for organs to form properly and tissues to develop, with significant implications for cancer metastasis and tissue engineering.

SourceKobe University·JournalCell Reports·TypeExperimental study·DateFeb 26, 2025

Breast-conserving surgery improves sexual well-being compared to breast reconstruction

A study published in Plastic and Reconstructive Surgery reports that women who undergo breast-conserving therapy (BCT) experience improved sexual well-being compared to those who receive post-mastectomy breast reconstruction (PMBR). Scores on a sexual well-being subscale were consistently higher for BCT patients, with average scores 7....

SourceWolters Kluwer Health·JournalPlastic & Reconstructive Surgery·DateFeb 26, 2025

What can theoretical physics teach us about knitting?

Researchers develop a predictive model of knitting using mathematical techniques from general relativity, allowing for the creation of self-folding and shape-morphing textiles. This breakthrough enables fabrics with precise properties and opens doors to new design applications in soft robotics and medical materials.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateFeb 26, 2025

AI generates playful, human-like games

A team of New York University scientists created a computer model that can represent and generate human-like goals by learning from how people create games. The AI model successfully captured the ways humans develop new goals and generated its own playful goals indistinguishable from human-created ones.

SourceNew York University·JournalNature Machine Intelligence·TypeExperimental study·DateFeb 26, 2025

Genetic risk of schizophrenia affects men and women differently

Research highlights differences in genetic risk of schizophrenia between men and women, with men showing a specific association with positive schizotypy traits. The study suggests that environmental factors may modulate the expression of genetic risk differently in men and women.

SourceUniversitat Autonoma de Barcelona·JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry·TypeRandomized controlled/clinical trial·DateFeb 26, 2025

Electrochemical field key to how dementia precursors ‘break bad’

A study by Washington University in St. Louis researchers has found a critical role for the physical interfaces of amyloid beta peptides in determining their chemical dynamics, leading to neurodegeneration. The research identified small molecules capable of breaking the toxic feedback loop, providing evidence that proper nutrition may ...

SourceWashington University in St. Louis·JournalJournal of the American Chemical Society·DateFeb 26, 2025

Scientists build robot to track plant-fungal trade networks, revealing nature’s underground supply chains

Researchers discovered that fungi construct a lace-like mycelial network that moves carbon outward from plant roots in a wave-like formation. The team used advanced robotics to measure traffic flows and resource trading in the fungal road system, shedding light on how these networks regulate ecosystem function.

SourceSPUN (Society for the Protection of Underground Networks)·JournalNature·TypeObservational study·DateFeb 26, 2025

How parenthood may help keep your brain young

A new study found that parents show patterns of brain connectivity that directly oppose typical age-related changes, with the effect strengthening with each additional child. Parents also showed higher levels of social connection, with more frequent family visits and larger social networks.

SourceRutgers University·JournalProceedings of the National Academy of Sciences·TypeImaging analysis·DateFeb 26, 2025

Missing protein keeps mice slim, even on a high-fat diet

Researchers found that CD44-deficient mice stayed lean despite a high-fat diet, while control mice developed obesity. The study suggests CD44 inhibitors could serve as a complementary treatment for obesity and related metabolic disorders.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateFeb 26, 2025

New research makes strongest case yet for why Mars is red

A recent study by an international team of researchers suggests that the iron oxide mineral ferrihydrite is responsible for Mars' distinctive red hue. The researchers combined observational data with laboratory experiments to create Martian dust that matched known spectral data, indicating a water-rich environment in the past.

SourceUniversity of Arkansas·JournalNature Communications·TypeImaging analysis·DateFeb 26, 2025

Pilot study hints at treatment that may improve cognition in older adults at risk for Alzheimer’s disease

A new pilot study suggests that intermittent treatment with senolytic medications like Dasatinib and Quercetin may improve cognitive function in older adults at risk of Alzheimer’s disease. The study found an improvement in cognitive scores, particularly among participants with the lowest baseline cognitive function.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalEBioMedicine·TypeExperimental study·DateFeb 26, 2025

New photon-avalanching nanoparticles could enable next-generation optical computers

Researchers developed new photon avalanching nanoparticles that exhibit high nonlinearities, overcoming challenges in realizing intrinsic optical bistability at the nanoscale. The breakthrough paves the way for fabricating optical memory and transistors on a nanometer scale comparable to current microelectronics.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Photonics·TypeExperimental study·DateFeb 26, 2025

Influencers promoting ‘overwhelmingly’ misleading information about medical tests on social media

A global study found that social media influencers promote controversial medical tests with limited scientific evidence, often without mentioning potential harms. The tests include full-body MRI scans, genetic testing, blood tests, and gut microbiome tests. Experts warn that these tests can lead to overdiagnosis and overuse.

SourceUniversity of Sydney·JournalJAMA Network Open·DateFeb 26, 2025

Aston University microbiologist calls for public vigilance and urgent action on the danger of raw sewage in UK seas

Dr. Jonathan Cox warns of the dangers of raw sewage in UK coastal waters, highlighting the risk of gastrointestinal, respiratory, and skin infections to vulnerable groups. He advocates for checking water quality before visiting beaches and praises efforts like the Safer Seas and Rivers Service to combat pollution.

SourceAston University·JournalMicrobiology·TypeCommentary/editorial·DateFeb 26, 2025

UH researchers making clean water more accessible

Researchers at the University of Houston have developed a new membrane that allows water to flow eight times faster while maintaining high salt rejection rates. This breakthrough could lead to more efficient and cost-effective desalination systems, lowering costs and increasing access to clean water.

SourceUniversity of Houston·JournalACS Applied Materials & Interfaces·DateFeb 26, 2025

Pusan National University develops one-step 3d microelectrode technology for neural interfaces

The new μETF method simplifies fabrication of flexible 3D microelectrode arrays for neural applications. It reduces stimulation thresholds by 1.7 times and improves spatial resolution compared to traditional flat electrodes. The technology has potential in brain-computer interfaces, wearable electronics, and lab-on-a-chip systems.

SourcePusan National University·Journalnpj Flexible Electronics·TypeExperimental study·DateFeb 26, 2025

A protein from tiny tardigrades may help cancer patients tolerate radiation therapy

Researchers have developed a new strategy to protect cancer patients from radiation-induced DNA damage using a protein from tardigrades. The approach makes use of messenger RNA encoding the protein, which is delivered to patient tissues before radiation treatment. This reduces double-stranded DNA breaks by 50% in mouse models.

SourceMassachusetts Institute of Technology·JournalNature Biomedical Engineering·DateFeb 26, 2025

Schizophrenia is reflected in the brain structure

A new study reveals that schizophrenia's complexity is reflected in the individual brain structures of patients, with some experiencing perceptual disturbances and others cognitive impairments. The research suggests a precision medicine approach could tailor therapies to each patient's unique neurobiological profile.

SourceUniversity of Zurich·JournalAmerican Journal of Psychiatry·TypeImaging analysis·DateFeb 26, 2025

New AI-powered tool could enhance traumatic brain injury investigations in forensics and law enforcement

A new AI-powered tool helps predict traumatic brain injury outcomes based on documented assault scenarios, providing an evidence-based approach to improve investigation accuracy. The model achieved remarkable prediction accuracy for TBI-related injuries, integrating mechanical biophysical data with forensic details.

SourceUniversity of Oxford·JournalCommunications Engineering·DateFeb 26, 2025

Physical activity boosts mental health in women with chronic pelvic pain disorders

A new study found that physical activity can significantly improve mental well-being in women with chronic pelvic pain disorders, such as endometriosis and uterine fibroids. The benefits appear to accumulate over time, highlighting the importance of consistency in physical activity.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of Pain Research·TypeObservational study·DateFeb 26, 2025

Breakthrough in the development of a new low-cost computer

Researchers at the University of Gothenburg have made a breakthrough in developing a new low-cost computer using spintronics, which enables information transmission at room temperature. The study demonstrates the ability to control and synchronize spin waves in complex networks, paving the way for the next generation of Ising machines.

SourceUniversity of Gothenburg·JournalNature Physics·TypeExperimental study·DateFeb 26, 2025

New method searches through 10 sextillion drug molecules

Researchers developed a new method to search through billions of molecules to identify potential anti-inflammatory drug candidates. The method uses computer algorithms to explore vast chemical space and has the potential to speed up the costly drug development process.

SourceUppsala University·JournalNature Communications·TypeComputational simulation/modeling·DateFeb 26, 2025

At your service: How older adults embrace demand-responsive transportation

A study found that social influence and trust play key roles in older adults' adoption of demand-responsive transportation. The research, conducted in Senboku New Town, Osaka, revealed significant relationships between behavioral intention and performance expectancy among older people.

SourceOsaka Metropolitan University·JournalTransportation Research Interdisciplinary Perspectives·TypeData/statistical analysis·DateFeb 26, 2025

New computer model can predict the length of a household's displacement in any U.S. community after a disaster

A new study developed a computer model to predict household displacement duration in US communities after disasters, accounting for socioeconomic factors. The model combines physical damage estimates with socioeconomic characteristics to help inform risk mitigation strategies.

SourceSociety for Risk Analysis·JournalRisk Analysis·TypeComputational simulation/modeling·DateFeb 26, 2025