Researchers from National Research Tomsk State University found that mammoths suffered from skeletal diseases due to chronic mineral hunger, leading to high traumatism and eventual extinction. The study suggests that geochemical stress caused by acidic landscapes may have played a crucial role in the demise of these majestic creatures.
Researchers discovered cytokinin patterning cannot happen via diffusion alone, with unexpected physical constraints on pattern formation. Computational simulations identified limits on cytokinin movement and patterning, revealing a need to solve the puzzle of how patterns are created.
Jesse Little's three-year grant aims to develop guidelines for designing aircraft that can withstand structural and heat stresses of sustained supersonic flight. The study focuses on understanding shock waves interacting with near-surface air flows in three dimensions.
Robots develop self-taught behaviors through sensory input and adaptation, mirroring natural sensorimotor development. This concept has implications for understanding early stages of evolution and may lead to new strategies for robotic learning.
Researchers developed a new method to grow 3D pancreatic tumor cultures from patients' surgical tissue, recreating the patient's cancer biology and morphology. This approach can help identify patient-specific sensitivities to novel therapeutics and assist in making treatment decisions.
A retrospective survival analysis of 229 patients with late-stage cancer found that those who received methylnaltrexone lived twice as long and had fewer tumor progression reports compared to placebo groups. The study suggests methylnaltrexone may play a role in cancer therapy, but the exact mechanism is unclear.
Researchers from McGill University found that people are highly accurate at judging emotions based on head movements alone, even without sound or facial expressions. This discovery could aid in the development of automated emotion recognition systems or human-interaction robots.
ICFO researchers create a microscopic Carnot engine that operates between two thermal baths using a temperature difference, exactly as car engines work. The engine is powered by a single particle, lasers, and electrical fields, allowing for the experimental validation of thermodynamic principles.
A QMUL PhD student has found a simple way to produce two ancient chemical compounds, sultones and sultines, which have applications in antiviral agents and may lead to new treatments for diseases such as HIV and Herpes. The breakthrough reduces the production process from five to two steps, increasing yield by nearly 100%.
A new study by University of Oxford researchers found that singing groups bonded more quickly than creative writing or craft classes. Singing broke the ice better, getting classmates closer right at the start of the course, but in the longer term, all group activities brought people together similarly.
Researchers have discovered that a drug restoring natural testosterone production has no negative effect on sperm count, unlike traditional testosterone replacement therapy. This approach could change the way men are treated for low testosterone, potentially preserving fertility.
Researchers found that patients with complete symptom resolution have a significantly lower risk of depression recurrence compared to those with residual symptoms. Complete symptom resolution is associated with a nearly three times higher risk of returning to a full-blown depressive episode within one year.
Researchers at Lawrence Berkeley National Laboratory have developed flexible metal-organic frameworks that can store methane efficiently, addressing the low energy density issue with natural gas as a transportation fuel. The new design enables higher usable capacity and internal heat management during adsorption and desorption.
A follow-up study found that cognitive behavioural therapy (CBT) and graded exercise therapy (GET) improved fatigue and physical functioning in patients with Chronic Fatigue Syndrome, maintaining these improvements over time. The treatments also reduced the likelihood of seeking additional therapy.
PhD student Elise Hampton uses AI to analyze thousands of galaxy spectra, identifying the most turbulent and messy galaxies. Her goal is to understand how galaxies form, live, and die, and how different processes compete in these galactic systems.
A federal grant will fund a new course at the University of Illinois and support training for clinicians in conducting early interventions with people who abuse substances. The training uses a computer simulation called SBIRT, which identifies clients at risk of substance abuse problems and teaches clinicians how to respond accordingly.
Researchers identified an inherited ETV6 gene variation associated with an increased risk of childhood leukemia. The study found that the variation, which disrupts DNA binding function, may play a significant role in inherited predisposition to cancer.
The Global Precipitation Measurement mission tracked rainfall within Storm Olaf, revealing high storm tops and sparse rain on the western side. The post-tropical cyclone weakened over cooler waters, eventually dissipating by October 28, 2015.
A new study of chickens overturns the popular assumption that evolution is only visible over long time scales. The researchers found two mutations in the mitochondrial genomes of the birds in just 50 years, revealing a rate of evolution that is 15 times faster than previously believed.
A new study of over 25,000 men has identified four new genetic variants associated with an increased risk of testicular cancer. Testing for these variants combined with existing knowledge has revealed that men in the top one per cent of genetic risk have a ten-fold elevated risk of developing testicular cancer.
A team of researchers from Caltech and the University of Cambridge discovered that booming and burping sounds emanating from sand dunes are different acoustic phenomena governed by distinct physical principles. The study found that booming sounds originate from linear P-waves, while burping sounds correspond to surface Rayleigh waves.
Researchers from the University of Montreal found that singing calmed infants twice as long as talking, with an average duration of 9 minutes for songs and 4.5 minutes for baby talk. The study suggests that singing has emotion-regulatory properties that can help parents soothe their children.
Researchers at Queen Mary University of London have found that lithium chloride can increase the size of primary cilia, disrupting Hedgehog Signalling and potentially treating osteoarthritis. This discovery may lead to new treatments for arthritis and other conditions.
Researchers tracking northern Atlantic cod stock off Newfoundland and Labrador report significant recovery over the past decade, with tens of thousands to several hundred thousand tonnes of fish. The study credits favourable environmental conditions, including an increase in capelin as a key food source, and severe reduction of fishing.
A new study published in PLOS Biology found that people with PTSD have reduced SGK1 protein activity in their prefrontal cortices. Reducing SGK1 activity in rats led to PTSD-like behavior and induced learned helplessness, a key aspect of the disorder.
Researchers from UM and UFZ developed an ecological simplification concept to aid land managers in identifying restoration project priorities. The study found that man-made structures can create ecological niches and increase biodiversity in rivers, but also introduced new challenges such as invasive species.
Fischbach's work on the Eötvös Experiment led to a reevaluation of data suggesting a possible new force in the universe. Despite no experimental confirmation, his theory has stimulated novel experiments and theories, including the quest for new macroscopic fields of gravitational strength.
The age-standardized death rate for all causes combined decreased by 43% between 1969 and 2013, driven by declines in heart disease, cancer, stroke, and unintentional injuries. While the rate of decrease has slowed for these leading causes, other factors such as tobacco control efforts and advances in early detection and treatment have...
Scientists have developed a novel method to quickly dissolve away clots that completely obstruct blood vessels in the brain. A drug-device combination using an intra-arterial device restores blood flow to obstructed vessels, effectively clearing the blockage.
A new algorithm for simulating particle interactions in a Fermi sea demonstrates a smooth transition between quasiparticle and bound molecule states. The method may have implications for understanding impurities in various systems, including cold atoms, solid-state systems, and neutron stars.
A five-week oxytocin treatment improved social, emotional and behavioral issues in young children with autism. The study found significant improvements in social responsiveness at home and in therapy settings.
A study of federal marketplace insurance plans found nearly 15% lacking in-network specialists for at least one specialty, affecting patient access to specialized care. This issue raises concerns about network adequacy and high out-of-pocket costs for beneficiaries.
New risk profiling approach aims to detect GI cancers, such as oesophageal adenocarcinoma, in early stages. The five-tier strategy involves lifestyle changes, non-invasive testing, and genetic analysis to tailor screening and prevention options for each individual.
A study by the American Psychological Association found that negative publicity surrounding police actions can reduce officers' motivation to perform their duties, but does not decrease their willingness to engage in community partnerships. Fair treatment and confidence in authority can counteract these effects.
Pediatric researchers have developed new growth charts for U.S. children with Down syndrome, providing a tool for pediatricians to evaluate growth patterns and nutritional status. The new charts show improvements in weight gain and height for children under age three, while also creating BMI charts to screen patients for excess body fat.
Scientists developed a more general approach for controlling acoustic scattering on complex, odd-shaped objects using a coating of two thin fluid layers. The coating significantly reduces the scattering strength, allowing for ideal acoustic measurements in laboratories.
Researchers explored the use of ivermectin in mass drug administration campaigns to reduce malaria infections in Africa and slow down drug resistance in Asia. Preliminary results showed a 16% reduction in childhood malaria episodes in Burkina Faso, where most population members received regular ivermectin doses.
Scientists have identified the enzyme responsible for synthesizing tenuazonic acid (TeA), a well-known fungus-killing toxin that affects rice and other crops. The unique TeA synthetase 1 (TAS1) enzyme has an NRPS-PKS structure, previously thought to be exclusive to bacteria.
A team of researchers has created a working sonic tractor beam that uses high-amplitude sound waves to generate an acoustic hologram, allowing them to lift and move small objects. The technique could be developed for applications such as transporting delicate objects or gripping drug capsules through living tissue.
Researchers at Rhode Island Hospital confirmed that the drug praziquantel is safe for use in pregnant women following their first trimester, a finding that could spur improved access to treatment for millions of women worldwide. The study showed no adverse events for pregnant women or newborns, and iron status improved in both groups.
Researchers found that when damselfish release chemical alarm cues on coral reefs, additional predators are attracted, allowing prey a greater chance of escape. This mechanism boosts the sender's survival rate by about 40 percent.
A study on the Belizean Barrier Reef found that fish larvae typically disperse no more than 1.7 kilometers from their parents, highlighting the need for connected marine reserves to conserve biodiversity and sustain fisheries.
Scientists from Van Andel Research Institute found that cabozantinib inhibits growth of triple-negative breast cancer subtypes and impedes progression by targeting the MET protein. This new therapy shows promise for treating this aggressive form of breast cancer.
A study by King's Centre for Military Health Research found that UK military personnel's symptoms of PTSD, anxiety, and depression increased in the months following their return from Afghanistan. The researchers highlighted the need for greater psychological support during this transitional period to help troops adjust to civilian life.
A study published in Seismological Research Letters found that the 2015 Nepal earthquake produced less damage than expected, with researchers attributing this to the Kathmandu valley's ancient lake bed sediments. The shaking was reportedly amplified by these sediments for small and moderate earthquakes, but not as much for larger ones.
Physicists have developed ultrashort electron pulses to capture atomic motions in four dimensions, providing a sharp snapshot of molecular processes. The new technique enables the visualization of single atoms and reconstruction of atomic structures, revolutionizing our understanding of molecular dynamics.
A new study published in Infection Control & Hospital Epidemiology found that diabetic patients are 50% more likely to develop surgical site infections compared to non-diabetic patients. The study analyzed data from 94 studies and estimated the annual financial impact of SSIs to be over $3 billion nationally.
A new meta-analysis shows breastfeeding is associated with a lower risk of developing hormone-receptor negative breast cancer. Women who breastfed had a reduced risk of up to 20%, making it a protective strategy against the most aggressive subtypes.
Researchers at the University of Missouri have found that nicotine weakens the sleep-inducing effects of alcohol by stimulating the basal forebrain. This discovery sheds light on the close link between alcohol and nicotine usage, which affects millions of people worldwide.
The UN Climate Summit should prioritize guidelines and incentives for developing nations to cooperate on low-carbon energy projects. Chinese firms' significant involvement in coal power plants globally threatens the summit's goal, highlighting the need for expanded cooperation.
Researchers developed a graphene broadband detector that reacts rapidly to incident light and works at room temperature. The device can synchronize laser pulses with high accuracy, enabling precise measurements at room temperature.
British parents prioritize family ties over musical achievement, unlike American parents who associate music with educational success. UK parents view playing an instrument as a way to forge family cohesion and value music as a family tradition.
Researchers have successfully implemented time-of-flight PET scanning technology, reducing the radiation dose for cancer patients and staff by up to 30%. This has allowed an additional 100 scans per year at Central Manchester University Hospitals.
Researchers have optimized a novel wall-less Hall thruster design, suitable for long-duration deep space missions. The new design enables scientists to observe hidden plasma regions, facilitating investigation of plasma instability and anomalous electron transport.
Researchers at WSU will collaborate with Botanisol to study TAI-LCx, a newly identified active component of turmeric, and develop better means to isolate it. Early research showed TAI-LCx to be effective at reducing inflammation using biologic pathways different from NSAIDs.
A new study published in Pediatric Exercise Science found that both weight and physical activity levels matter when it comes to children's cognitive abilities. Children who were lean and active scored better on cognitive tests than their lean, inactive or overweight, inactive peers.
Reducing added sugar consumption can reverse chronic metabolic diseases in children, including high cholesterol and blood pressure, within 10 days. The study shows that sugar is metabolically harmful due to its effects on the body, not its calories.
Two new studies show that increased use of proton pump inhibitors (PPIs) may contribute to the CKD epidemic. PPI users were between 20% and 50% more likely to develop CKD than non-PPI users, even after accounting for baseline differences.
A new technique developed by Polish scientists uses geometric morphometry to identify the European corn borer by analyzing the arrangement of veins in its wings. The method achieved an accuracy of 97% and has the potential to be used by farmers to control the pest at optimal times.
Researchers have developed an intestinal patch device containing insulin that can be swallowed as a capsule, demonstrating efficacy in managing blood glucose levels in diabetic rats. The patches showed excellent mucoadhesive strength and released insulin within five hours, reducing blood glucose levels significantly.