New research from Washington State University finds that helpers' emotional expressions can influence whether their assistance is welcomed or resentful. Helpers who express emotions like gratitude and sympathy are more likely to foster trust and future collaboration, while those who display pride or contempt have their motives questioned.
Researchers developed light-powered artificial muscles that operate freely underwater, overcoming limitations of traditional soft robotic actuators. The new technology demonstrates 3× greater actuation stroke and 2× higher work capacity than existing photochemical actuators.
A recent epigenetic study identified RABGGTB as a promising biomarker for autism spectrum disorder, revealing extensive DNA methylation abnormalities in key brain regions. The findings suggest that studying this gene could unlock new doors to understanding ASD and lead to future diagnostic breakthroughs.
A new study by Greer Jarrett reveals that Vikings sailed farther away from Scandinavia and took routes farther from land than previously believed. The research identified a decentralized network of ports on islands and peninsulas that played a central role in trade and travel during the Viking era.
Researchers developed an artificial intelligence technique that detects DNA fragments in patient blood to monitor treatment response. The ARTEMIS-DELFI approach was found to be more effective and simpler than existing methods, allowing for quicker identification of patients who are not responding to therapy.
A study by University of Cambridge scientists reveals how genetic changes in Hibiscus flowers led to the loss of visually striking bullseye patterns. The research identifies a key gene regulator and demonstrates how similar floral changes can evolve independently through changes in a single genetic element.
Amber Hazzard, a doctoral candidate at MUSC, has been named an AAAS Mass Media Fellow for 2025. She will intern at The News & Observer in Raleigh to promote science communication and increase scientific literacy among the public.
Researchers found a total of 2,829 genetically defined species, with bacteria richness being 10.3 times greater than eukaryotes. The study revealed previously unknown associations between bacteria and eukaryotes, suggesting novel mutualisms that may promote nutrient exchange.
Researchers at Sutter Health have discovered early signs of clinical benefit from niraparib, a PARP inhibitor, in patients with advanced melanoma whose tumors had specific genetic changes impacting DNA repair. The study found a disease control rate of 64% and potential as a biomarker for treatment response.
The 4D-ACS trial showed a 49% reduction in net adverse clinical events and a 77% decrease in bleeding events with one-month DAPT followed by prasugrel 5mg monotherapy, demonstrating enhanced safety without compromising ischaemic protection for East Asian ACS patients.
Researchers found that halving vital sign and neurological function checks in low-risk patients after acute ischemic stroke treatment does not compromise care or recovery. The approach also frees up nursing time and intensive care resources, improving hospital capacity.
New research from the University of Chicago reveals that dentine, the inner layer of teeth, first evolved as sensory tissue in ancient fish. Fossil studies confirm that early vertebrates used sensory organs in their armor to sense conditions in the water, similar to modern arthropods.
Researchers used machine learning to classify older adults in Japan by physical and cognitive functions. Five functional subtypes were identified, including severe multicomponent and moderate physical types, which showed higher risks of death and hospitalization respectively.
A study at the University of Zurich tracks live cellular development and epigenetic changes over multiple generations, showing how stress induces heterogeneity and increases genetic complexity. This research may lead to better understanding of cancer cell diversity and develop more effective therapies.
Researchers at University of Illinois develop novel AI approach combining machine learning with SHapley Additive exPlanations to enhance gully formation prediction and understanding. The method achieved a prediction accuracy of 91.6% compared to 86% for individual models.
A randomized controlled trial found that additional imaging techniques such as fast MRI and contrast mammography can detect early-stage cancers in women with dense breasts that were missed by mammograms. The study showed a cancer detection rate of 1.7% for fast MRI and 1.9% for contrast mammography, compared to 0.4% for ultrasound.
A new study finds that cannabis use disorder diagnoses rose substantially across all age groups, race/ethnicity, and comorbidity subgroups nationwide from 2000 to 2022. People living with HIV experienced the greatest relative increase in CUD diagnoses, particularly among older adults.
A study uses a probabilistic life cycle approach to evaluate the carbon emission intensity of magnesium silicate hydrate cement (MSHC), finding that its low-carbon characteristics vary depending on mix proportions and Mg/Si ratio. Machine learning techniques improve accuracy and provide reliable scientific evidence for the construction...
Researchers at Intermountain Health found that using ePneumonia, a computerized clinical decision support tool, reduced mortality rates among patients with pneumonia, particularly those experiencing socioeconomic hardship. The study also showed that this technology helped overcome unconscious biases in treatment decisions.
A new study found that people taking antidepressants for over two years are more likely to experience withdrawal symptoms, including anxiety and fatigue. Long-term users also tend to have worse withdrawal symptoms and are less able to stop taking the medication.
A study by University of California, Davis' Tahoe Environmental Research Center found large fluctuations in ultraviolet radiation between wet and dry years at Lake Tahoe. UV radiation penetrates deeply in clear waters like Lake Tahoe, affecting aquatic ecosystems and photosynthesis.
A systematic review and meta-analysis found elevated circPVT1 expression associated with poorer overall survival in patients with solid tumors. The study also revealed correlations between circPVT1 levels and larger tumor size, lymph node metastasis, distant metastasis, and advanced tumor-stage.
Researchers have identified a type of chemical compound that kills malaria-causing parasites in mosquitoes when applied to insecticide-treated bed nets. The breakthrough could significantly blunt malaria transmission and potentially replace traditional prevention methods.
Researchers have developed a new platform using dispersion-managed silicon nitride microresonators to suppress timing jitter, achieving femtosecond-level precision. This breakthrough enables the deployment of chip-scale solitons in space navigation, ultrafast data networks, and quantum measurement systems.
Researchers at Kobe University have created a single-pixel camera that can record three-dimensional holographic movies, even through tissues. The camera uses a high-speed digital micromirror device to project patterns required for recording the hologram, enabling the capture of moving objects and images outside the visible spectrum.
A Kyoto University study reveals that seasonal timing of terrestrial invertebrate resource subsidies can mediate life-history variation in wild organisms. The researchers found that early subsidies led to the highest life-history variation, while later or no subsidies resulted in lower variation.
Tracy Crane has been appointed as the new Chair of the NRG CPC Committee, focusing on improving adherence to healthy lifestyle behaviors, while Mylin Torres joins as Vice-Chair, leading research on breast cancer and radiation-induced side effects. Both experts bring extensive experience in clinical trials and mentorship.
Researchers at Beijing Institute of Technology developed an innovative grayscale-assisted method to convert near-infrared images into visible RGB images. The two-phase conversion process improves luminance and chromatic detail, producing more visually appealing and detailed RGB images with higher PSNR and SSIM values.
A research team is integrating microorganisms into façade coatings to create 'living tattoos' on building walls. These organisms will protect surfaces from weathering, store CO2, and filter pollutants from the air.
A team of researchers developed a machine learning model called Aurora that accurately forecasts various Earth systems, including air quality and tropical cyclone tracks. The model outperforms traditional systems at a fraction of the cost, enabling better preparedness for extreme weather events.
A new study published by the American Academy of Neurology found no increase in neurodevelopmental disorders such as autism and ADHD in children whose mothers took triptan medications before or during pregnancy. Researchers analyzed data from over 26,000 pregnancies and followed the children for an average of eight years.
Researchers have developed CaliAli, an advanced analytical framework that aligns calcium imaging data across multiple sessions, allowing for the continuous tracking of individual neurons. This breakthrough enables long-term brain activity studies and advances understanding of memory formation, retention, and neurological diseases.
A meta-analysis of PROTECTED TAVR and BHF PROTECT-TAVI trials reveals no significant difference between control arms with and without cerebral embolic protection devices during TAVI. This conclusion challenges the use of CEP devices in TAVI procedures.
Researchers have accurately simulated ion channel currents using atom-by-atom computational models, settling a decades-long scientific debate. The findings reveal that up to four potassium ions line up in the channel like pearls on a string, enabling rapid conduction and exquisite selectivity.
A retrospective study found that patients with ALS who used REM-suppressing antidepressants had a significantly higher two-year survival rate compared to those without such medications. This breakthrough suggests that inhibiting REM sleep may be a viable treatment option for ALS.
A new study published in JAMA Network Open found that as preteens used more social media, their depressive symptoms increased by 35%. The research team tracked changes over time in each child to accurately assess the link between social media and depression. Experts suggest using digital habits tools to create healthier online behavior...
Researchers at MD Anderson Cancer Center have made significant discoveries in three key areas of cancer care. In a study on sickle cell disease, the team found that the disorder can suppress immunity by altering DNA structure in CD8+ T cells, leading to potential strategies for improving immunotherapy responses. Meanwhile, a biomarker-...
An international team of researchers has identified a genetic link to long-term symptoms after COVID-19, with a gene variant increasing the risk by about 60%. The variant is located near the FOXP4 gene, which affects lung function and development. Impaired lung function plays a key role in developing long COVID.
A systematic review of 10 studies found no evidence that mouth taping helps treat sleep-disordered breathing or obstructive sleep apnea. However, mouth taping may be associated with some improvement in mild obstructive sleep apnea severity in a subset of patients.
Researchers found that spider venoms are prey-specific, meaning they target the physiology of animals found in their natural diet. This explains why some spiders, like the Brazilian wandering spider, have potent venom, while others, like the Giant house spider, have less effective venom.
Under carbon limitation, trees shift from roots to mycorrhiza for nutrient acquisition. Mycorrhizal colonization and extramatrical hyphal length increase, while root physiological activity declines.
A study published in PLOS One found that mouth taping carries serious health risks, particularly among individuals with sleep-disordered breathing and obstructive sleep apnea. The trend, popularized by social media influencers, can worsen existing respiratory issues and increase the risk of suffocation.
Researchers developed organoids from Egyptian fruit bats' respiratory and intestinal tissue, showcasing a significantly higher baseline antiviral immune activity. These organoids demonstrated an exceptionally strong production of type III interferons, which played a crucial role in mucosal antiviral immunity.
Derek Leben's book 'AI Fairness' offers a philosophical framework to evaluate and mitigate biases in AI algorithms. The author argues that principles like autonomy, equal treatment, and equal impact should guide the design of fair AI systems.
Researchers review clinical and scientific advances combining radiation therapy with immunotherapy to strengthen the immune response and improve disease control. The approach may offer new treatment options for patients facing hard-to-treat forms of bladder cancer.
A study of over 4 million IT job applications reveals that less profitable companies are 22% less likely to interview female applicants after implementing extended paid leave mandates. The research highlights the need for thoughtful policy design that includes cost-sharing mechanisms, gender-neutral benefits and anti-bias safeguards.
A new study reveals that deeply subducted carbonates can cause significant variations in Earth's mantle redox states, influencing diamond formation and craton evolution. This process shapes continent and diamond characteristics, with different mantle environments producing distinct redox signatures.
A systematic review of studies found that policies improving paid parental leave, employment access, housing stability, and income support are associated with lower rates of depression. Conversely, cuts to social welfare and financial insecurity increase depression risk, particularly among single parents and low-income households.
A new study from UC Berkeley reveals that the depth of small grooves on the brain's surface is correlated with increased connectivity between regions involved in reasoning. The researchers found that these tertiary sulci, unique to humans, may help explain individual differences in cognitive performance and serve as diagnostic indicato...
Children of people with schizophrenia or bipolar disorder have a higher risk of developing psychopathology compared to those without these conditions. The study highlights factors that mitigate this risk, such as better parental psychosocial functioning and socioeconomic status.
Researchers have identified a four-amino-acid mini-exon in the PTPδ gene that plays a critical role in brain development and behavior. The study found that deleting this mini-exon led to anxiety-like behavior and reduced movement in mice, highlighting its essential role in maintaining synaptic balance.
Rajeev Varshney, a Murdoch University professor, has been elected as a Fellow of the Australian Academy of Science. He is recognized for his groundbreaking work in genomics, genetics, and pre-breeding, helping to secure food production in the face of climate change.
Researchers used yeast populations to measure evolutionary potential to adapt to future warming in real-time, highlighting species-specific responses. Different species employed distinct strategies to cope with heat, with some expanding temperature ranges and others reducing fitness.
A systematic review found that positive expressive writing interventions improve psychological wellbeing, including measures of happiness and life satisfaction, but effects on physical health vary across individuals and intervention types.
Researchers have developed an image-analysis tool called SeaSplat that cuts through the ocean's optical effects and generates images of underwater environments with accurate colors. The team paired SeaSplat with a computational model to convert images into three-dimensional underwater worlds, allowing for virtual exploration.
Researchers have developed a material that can collect moisture from the air and release it onto surfaces without external energy input. The material works through capillary condensation, where water vapor condenses inside tiny pores at lower humidity levels, creating a feedback loop of water harvesting.
A team of astronomers observed a rare cosmic collision where one galaxy is pierced by intense radiation from a quasar, leading to the disruption of stellar nurseries. The study used ALMA and ESO's VLT telescopes to reveal the effects of this radiation on the internal structure of the gas in the regular galaxy.
Researchers at SwRI designed netting systems to deliver antimalarial drugs called Endochin-like Quinolones (ELQs) that destroy Plasmodium parasites transmitted by mosquitoes. The findings, published in Nature, show that the two ELQs kill parasites developing within the mosquito, potentially eliminating resistance.
Researchers have successfully synthesized high-performance materials using high pressure, including superhard and superconducting materials. The article highlights the potential of high-pressure chemistry for discovering new materials and phases, despite challenges remaining in terms of experimental costs and equipment operation.
A new strategy for screening anxiety and depression in epilepsy patients has shown a significant increase in screening rates from 12.6% to 29.2% using an electronic health record-based approach. The study found that younger patients and white patients were more likely to complete the screeners.