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Science News for February 25, 2025


Universal conservation laws of the wave–particle–entanglement triad

Researchers develop a theoretical framework that reveals a conservation relationship among wave behaviour, particle behaviour, and entanglement. The team finds that the sum of these three elements remains constant, regardless of the choice of bipartite pure state, with experimental validation for various dimensions

Helium in the Earth's core

A new study by researchers from the University of Tokyo reveals that helium can bond with iron under extreme conditions, contradicting previous findings. The discovery suggests there could be significant amounts of helium in the Earth's core, potentially rewriting our understanding of the planet's origins.

SourceUniversity of Tokyo·JournalPhysical Review Letters·TypeExperimental study·DateFeb 25, 2025

Study: First female runner could soon break the 4-minute-mile barrier

A new study by University of Colorado Boulder researchers suggests that Kenyan Olympian Faith Kipyegon could break the 4-minute-mile barrier with strategically timed pacers. The team's calculations indicate that drafting can reduce air resistance by up to 76%, allowing female runners to improve their times by as much as five seconds.

SourceUniversity of Colorado at Boulder·JournalRoyal Society Open Science·TypeData/statistical analysis·DateFeb 25, 2025

High dietary fish intake may slow disability progression in MS

A high dietary intake of lean and oily fish may slow the progression of disability in people with MS, according to a comparative population-based study. The anti-inflammatory and neuroprotective properties of nutrients found in fish may be key to managing the disease.

SourceBMJ Group·JournalJournal of Neurology Neurosurgery & Psychiatry·TypeObservational study·DateFeb 25, 2025

AI model can read ECGs to identify female patients at higher risk of heart disease

A new AI model uses electrocardiogram (ECG) analysis to identify female patients at higher risk of heart disease, including cardiovascular disease, future heart failure, and heart attacks. The model shows that women whose ECGs more closely match the typical 'male' pattern are at a significantly higher risk of these conditions.

SourceImperial College London·JournalThe Lancet Digital Health·TypeComputational simulation/modeling·DateFeb 25, 2025

Center for BrainHealth expands access to proactive brain health through national partnerships

The Center for BrainHealth has established three major new partnerships to enhance its mission to empower people at all ages with science-backed approaches for proactive brain health and fitness. The partnerships include GoMo Health, which will leverage the center's content to expand resources and improve compliance among large patient...

SourceCenter for BrainHealth·TypeNews article·DateFeb 25, 2025

A change in child concussion management policies led to improvements in recovery time, Concordia research shows

A change in child concussion management policies led to improvements in recovery time. The Montreal Children's Hospital clinic began physiotherapy-based treatments two weeks after injury, resulting in faster recoveries. The study suggests that institutional policy plays a crucial role in guiding treatment approaches.

SourceConcordia University·JournalJournal of Sport Rehabilitation·TypeData/statistical analysis·DateFeb 25, 2025

Toward high electro-optic performance in III-V semiconductors

New research at UC Santa Barbara illuminates a path to superior electro-optic performance in AlScN alloys by adjusting atomic structure and composition. The study found that precisely oriented layer structures and strain tuning can yield significant enhancements in electro-optic properties, potentially surpassing those of lithium niobate.

SourceUniversity of California - Santa Barbara·JournalApplied Physics Letters·DateFeb 25, 2025

In mouse embryos, sister cells commit suicide in unison

Researchers at the University of Montreal Hospital Research Centre discovered that sister cells in mouse embryos can communicate through a stable cytoplasmic bridge, leading to coordinated cell death. This mechanism may help eliminate defective or unneeded cells, improving fertility and developmental processes.

SourceUniversity of Montreal Hospital Research Centre (CRCHUM)·JournalDevelopmental Cell·TypeExperimental study·DateFeb 25, 2025

The galactic journey of our solar system

The Solar System passed through the Radcliffe Wave galactic structure approximately 14 million years ago, compressing its heliosphere and increasing interstellar dust influx. This journey may have impacted Earth's climate and left geological traces.

SourceUniversity of Vienna·JournalAstronomy and Astrophysics·DateFeb 25, 2025

The Frontiers of Knowledge Award goes to Blanchard, Galí and Woodford in recognition of their profound influence on modern macroeconomics and the design of monetary and fiscal policy rules

Olivier Blanchard, Jordi Galí and Michael Woodford received the BBVA Frontiers of Knowledge Award for establishing rigorous foundations for business cycle fluctuations analysis. Their New Keynesian paradigm integrates monopolistic competition and nominal rigidities into dynamic general equilibrium models with rational expectations.

New SIF model tracks drought effects in real-time

A new study unveiled a high-resolution SIF dataset to monitor vegetation photosynthesis during droughts, offering unprecedented insights into how plants respond to drought stress. The dataset provides continuous, high-resolution data, enhancing real-time monitoring of photosynthesis and vegetation health.

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·DateFeb 25, 2025

University of Houston researchers paving the way for new era in medical imaging

Researchers at the University of Houston have developed a new technology that uses photon counting detectors to capture X-ray images with multiple energy levels simultaneously. This allows for more precise 3D visualization of different tissues and contrast agents, which can improve cancer detection and other medical applications.

SourceUniversity of Houston·JournalJournal of Medical Imaging·TypeExperimental study·DateFeb 25, 2025

Potbelly may be a sign of brain aging

Research reveals that visceral adipose tissue's protein CX3CL1 promotes BDNF production in the brain. In aged mice, this connection falters, leading to cognitive decline. The study suggests that steroid hormones causing lipolysis promote CX3CL1 expression and that aging mice become less responsive to these hormones.

SourceToho University·JournalGeroScience·DateFeb 25, 2025

A completely new type of microscopy based on quantum sensors

Researchers at TUM developed a new microscopy technique combining magnetic resonance spectroscopy with fluorescence microscopy, enabling high-resolution imaging of individual cells and structures down to the microscopic level. The technique has potential applications in cancer research, pharmaceuticals, and materials science.

SourceTechnical University of Munich (TUM)·JournalNature Communications·TypeExperimental study·DateFeb 25, 2025

A new model accurately predicts the movement of elite athletes to catch the ball in parabolic flight

A new model developed by researchers at the University of Barcelona accurately predicts how elite athletes move to catch a moving object just from an initial glance. The model integrates prior knowledge of gravity and physical size into visual information, allowing for precise predictions of trajectory and time until impact.

SourceUniversity of Barcelona·JournalRoyal Society Open Science·TypeExperimental study·DateFeb 25, 2025

Cold treatment does not appear to protect preterm infants from disability or death caused by oxygen loss, according to NIH-funded study

A new study funded by the National Institutes of Health found that cooling treatment for preterm infants does not reduce the risk of disability or death from oxygen loss. The study evaluated 188 preterm infants with hypoxic ischemic encephalopathy and found a higher risk of death and disability in those who received the cooling treatment.

Gender plays a role in long-term unemployed individuals' perception of their capabilities

A study at the University of Eastern Finland found that long-term unemployed individuals perceive their capabilities as weaker than the general Finnish population. The study highlights the need for tailored support strategies to address the specific needs of both men and women. Social and environmental factors play a crucial role in tr...

SourceUniversity of Eastern Finland·JournalSocial Indicators Research·DateFeb 25, 2025

SCAI publishes expert consensus on alternative access for transaortic valve replacement (TAVR)

The Society for Cardiovascular Angiography and Interventions has published an expert consensus statement recommending two preferred alternative access techniques for transaortic valve replacement (TAVR), including transcarotid and transcaval access. The guidelines aim to improve outcomes for patients with inadequate femoral vascular ac...

Understanding the world within: Study reveals new insights into phage–bacteria interactions in the gut microbiome

Researchers analyzed phage-bacteria communities in children's stool samples to understand their role in type 1 diabetes development. They found dynamic changes in phage and bacterial populations, suggesting an 'arms race' between the two, but no clear link to disease risk.

SourceBaylor College of Medicine·JournalNature Microbiology·TypeComputational simulation/modeling·DateFeb 25, 2025

Causal relationship between type II diabetes mellitus, metformin, insulin, gliclazide, and esophageal cancer—insights from two-sample Mendelian randomization study and meta-analysis

A genetic predisposition to type II diabetes mellitus is associated with a reduced risk of esophageal cancer. Metformin use has been shown to decrease the prevalence of esophageal cancer, while insulin and gliclazide have no significant association.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

New AI Tool Mimics Radiologist Gaze to Read Chest X-Rays

Researchers developed ItpCtrl-AI, a transparent AI framework that reads chest X-rays like a radiologist, providing accurate diagnoses and increasing trust in medical technology. The framework uses a gaze heat map to show the computer where to search for abnormalities and what section of the image requires less attention.

SourceUniversity of Arkansas·JournalArtificial Intelligence in Medicine·TypeComputational simulation/modeling·DateFeb 25, 2025

Using brain scans to forecast human choice at scale

Researchers used fMRI data to predict choices made by thousands of people on crowdfunding websites, finding consistent associations in the NAcc region. This neuroforecasting technique has potential for scaling up predictions of human behavior across diverse populations.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 25, 2025

Rising wages drive innovation in automation technology

A new study by UZH economists found that higher minimum wages lead firms to develop more automation technologies to reduce production costs. The study analyzed past labor market reforms and their impact on innovation trends, showing a 2% to 5% rise in innovation in response to a 1% wage increase.

SourceUniversity of Zurich·JournalJournal of Political Economy·TypeData/statistical analysis·DateFeb 25, 2025

Study reveals Africa will reach 1.5C climate change threshold by 2040 even under low emission scenarios

All five subregions of Africa will breach the 1.5°C climate change threshold by 2040, even under low emission scenarios, according to a new study. The research highlights the urgent need for just transition pathways in African agriculture to enhance food security and poverty reduction while optimizing mitigation co-benefits.

SourceCABI·JournalCABI Reviews·TypeLiterature review·DateFeb 25, 2025

New photochemical tools based on thioketal

A new universal photocage modification strategy based on thioketal enables real-time live cell subcellular imaging. The thioketal-based probe SiR-EDT exhibits improved dark stability and can be specifically activated by UV-visible light.

SourceScience China Press·JournalScience Bulletin·TypeRandomized controlled/clinical trial·DateFeb 25, 2025

Attitude towards a moderate aortic valve dysfunction during rheumatic mitral valve surgery: a retrospective cohort study

Research on treating moderate aortic valve dysfunction during rheumatic mitral valve surgery shows concomitant aortic valve surgery may improve echocardiographic outcomes. The study suggests delaying aortic valve surgery may be a viable option for patients with moderate predominant aortic regurgitation.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

AI’s emotional blunting effect

Large language models (LLMs) can alter sentiment in research summaries, making it difficult to accurately assess public opinion on climate change. LLMs tend to display a more neutral tone than original texts, regardless of prompts or model sophistication.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 25, 2025

Impact of the duration of corticosteroid treatment for postoperative acute lung injury following lung cancer surgery

Short-course corticosteroid treatment was associated with lower surgical site complications and in-hospital mortality in patients with postoperative acute lung injury following lung resection surgery. The optimal duration of corticosteroid treatment remains uncertain, highlighting the need to weigh benefits against adverse effects.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

Friendly but stressed: A novel finding on social stress in wild Japanese macaques

Researchers studied wild female Japanese macaques to understand their internal states. The study found that the absence of close proximity with group members during resting periods increases stress levels, while co-feeding with a related female during foraging leads to increased stress due to competition.

SourceThe Graduate University for Advanced Studies, SOKENDAI·JournalAnimal Behaviour·TypeObservational study·DateFeb 25, 2025

New insights into efficient water splitting

A recent study reveals three distinct mechanisms of recombination in photocatalytic water splitting, including over-penetration induced recombination and excess hole induced recombination. The discovery of a previously unknown slow reaction, called the 'satellite peak,' is crucial for pinpointing the rate-limiting step in water splitting.

SourceJapan Advanced Institute of Science and Technology·JournalJournal of the American Chemical Society·DateFeb 25, 2025

LA’s urban trees absorb more carbon than expected, USC Dornsife study finds

A new study from USC Dornsife finds that LA's urban greenery absorbs up to 60% of daytime fossil fuel CO2 emissions in spring and summer, providing valuable insights into the impact of trees on air quality. The research provides data-driven insights for future planting efforts and informs the USC Urban Trees Initiative.

SourceUniversity of Southern California·JournalEnvironmental Science & Technology·TypeExperimental study·DateFeb 25, 2025

UESTC researchers unveil ultra-wideband, low-profile antenna for airborne applications

The study introduced an omnidirectional circular ring antenna that operates across a broad frequency range (150 MHz–600 MHz) while maintaining a low profile. The antenna features a compact design, achieving an impedance bandwidth of 12:1 and a lateral diameter of 0.19 times the wavelength.

SourceJournal of Electronic Science and Technology·JournalJournal of Electronic Science and Technology·TypeExperimental study·DateFeb 25, 2025

Alliances among animals

Researchers explore cognitive foundations of cross-species social behavior using octopus and reef fish as examples. These alliances challenge traditional views of intelligence and cooperation in the animal kingdom.

SourceUniversity of Konstanz·JournalCurrent Biology·DateFeb 25, 2025

Submersible robot surfs water currents

Researchers developed a submersible robot that leverages vortices to boost efficiency in autonomous underwater vehicles. By 'surfing' vortex rings, CARL reduces energy consumption by one-fifth compared to traditional methods.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 25, 2025

The impact of smoking on respiratory rehabilitation efficacy and correlation analysis in patients with chronic obstructive pulmonary disease: a retrospective study

A retrospective study found that smoking negatively affects respiratory rehabilitation efficacy in COPD patients, leading to inferior pulmonary function improvements and reduced quality of life compared to non-smokers. Non-smokers showed significant gains in exercise capacity and sleep quality post-rehabilitation.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

Adherence to the Mediterranean diet and obesity-linked cancer risk

A recent study published in JAMA Network Open has found that higher adherence to the Mediterranean diet is associated with a modest reduction in the risk of obesity-related cancers. The findings suggest that further research is needed to clarify the mechanisms by which the Mediterranean diet may contribute to cancer prevention.

SourceJAMA Network·JournalJAMA Network Open·DateFeb 25, 2025

From waste to wonder: Revolutionary green grout for sustainable construction practices

A novel carbon-neutral grout, CSRGF, has been developed by recycling waste fluids from geothermal energy harvesting plants, addressing environmental challenges in traditional grouting methods. The new material shows remarkable performance, with a 50% increase in liquefaction resistance and superior water-sealing properties.

SourceShibaura Institute of Technology·JournalCase Studies in Construction Materials·TypeExperimental study·DateFeb 25, 2025

New study reveals Neanderthals experienced population crash 110,000 years ago

A new study found that Neanderthals experienced a drastic loss of genetic variation approximately 110,000 years ago, leading to their eventual extinction. The research measured the morphological diversity in semicircular canals, which revealed lower diversity in classic Neanderthals compared to pre-Neanderthals and early Neanderthals.

SourceBinghamton University·JournalNature Communications·TypeComputational simulation/modeling·DateFeb 25, 2025

Morphomic predictors for post-esophagectomy pulmonary complications and overall survival

Increased visceral adipose tissue density and decreased skeletal muscle area are predictors of post-esophagectomy pulmonary complications. Decreased skeletal muscle density is associated with poorer overall survival. Routine morphomic analysis can help identify patients at risk and tailor perioperative care.

SourceNational Center for Respiratory Medicine·JournalJournal of Thoracic Disease·TypeObservational study·DateFeb 25, 2025

From defect to high-tech material

Researchers at HZDR and TU Dresden developed a method to produce well-defined nanoparticles with controlled composition and structure, enabling the creation of complex materials with integrated functions. The team's innovative approach combined cation exchange with advanced synthetic, experimental, and theoretical methods.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalSmall·TypeExperimental study·DateFeb 25, 2025

Longest-runout undersea sediment flows analysed in unprecedented detail

A team of scientists has developed a new method to monitor undersea sediment flows, allowing them to track the longest-runout sediment flows ever recorded. The study reveals that turbulent mixing with seawater influences the behavior of these powerful canyon-flushing turbidity currents over long distances.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Communications·TypeObservational study·DateFeb 25, 2025

Rethinking equity in electric vehicle infrastructure

A recent study led by Qian found that income, rather than proximity, is the dominant factor in determining who benefits most from public EV infrastructure. Wealthier individuals have more flexibility to spend time at charging stations while charging their vehicles, whereas lower-income communities struggle to integrate public charging ...

Orthopedic team from Peking Union Medical College Hospital publishes longest-term follow-up study on post-TKA outcomes in Chinese patients with knee osteoarthritis

A follow-up study of over 20 years provides insight into the long-term effectiveness of TKA for knee disorders in a Chinese cohort, showing high prosthesis survivorship and patient satisfaction rates. The research addresses the lack of data on extended TKA follow-up for Chinese populations.

Humans inherited their flexible joints from the earliest jawed fish

Researchers discovered synovial joints in ancient fish lineages, suggesting these features first evolved in jawed vertebrates. The study's findings shed light on the origins of humans' flexible joints and provide critical information for research into vertebrate skeletal architecture.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateFeb 25, 2025

Clashing with classmates: Off-putting traits spark enemy relationships

A new longitudinal study from Florida Atlantic University finds that students who exhibit off-putting behaviors are at elevated risk of antagonizing others and becoming involved in enemy relationships. Emotional reactivity and poor school performance are also strong predictors of later participation in an enemy relationship.

SourceFlorida Atlantic University·JournalJournal of Youth and Adolescence·TypeSurvey·DateFeb 25, 2025

Unraveling the molecular mechanisms of tumor metastasis: Insights and therapeutic strategies

The review delves into genetic, epigenetic, and molecular mechanisms driving tumor metastasis, highlighting the roles of chromosomal instability, epigenetic modifications, and tumor microenvironment interactions. It also discusses the impact of specific genetic mutations and RNA modifications on metastatic behavior.

What makes cancer cells weak

A study by Andreas Koeberle and colleagues reveals that certain natural substances can increase polyunsaturated fatty acids in cancer cell membranes, making them susceptible to ferroptosis, a type of cell death. This discovery creates new avenues for treating therapy-resistant tumours.

SourceUniversity of Graz·JournalNature Communications·TypeExperimental study·DateFeb 25, 2025

Robots learn how to move by watching themselves

Researchers at Columbia University developed a way for robots to autonomously model their own 3D shapes using a single camera, enabling them to understand and adapt to their movements. This breakthrough allows robots to overcome damage to their bodies, making them more reliable and resilient for various applications.

SourceColumbia University School of Engineering and Applied Science·JournalNature Machine Intelligence·TypeNews article·DateFeb 25, 2025

Why is Mars red? Scientists may finally have the answer

A new study published in Nature Communications suggests that the water-rich iron mineral ferrihydrite is responsible for Mars' iconic red color. The research, led by Brown University researchers, analyzed data from Martian orbiters and rovers, as well as laboratory simulations, to reach this conclusion.

SourceBrown University·JournalNature Communications·DateFeb 25, 2025

MD Anderson researchers develop novel antibody-toxin conjugate

Researchers at MD Anderson Cancer Center have developed a novel antibody-toxin conjugate that stimulates the immune system to recognize and attack cancer cells. The new approach combines the benefits of ADCs with immunotherapies, allowing the body's natural immune response to limit side effects and prevent tumor recurrence.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature Cancer·TypeRandomized controlled/clinical trial·DateFeb 25, 2025

Have we been wrong about why Mars is red?

New analysis of spacecraft observations and laboratory techniques reveals that Mars's red colour is better matched by ferrihydrite, an iron oxide containing water. This discovery transforms our understanding of why Mars is red and suggests that the planet rusted earlier than previously thought.

SourceEuropean Space Agency·JournalNature Communications·TypeExperimental study·DateFeb 25, 2025

Non-destructive image sensor goes beyond bulkiness

Researchers at Chuo University developed a non-destructive image sensor with a freely coatable and paintable design for functional photo-thermal modules. The new design enables the full utilization of photo-thermoelectric (PTE) sensors, overcoming trade-off trends between photo-absorptance values and Seebeck coefficients.

SourceChuo University·JournalSmall Science·TypeExperimental study·DateFeb 25, 2025