Researchers at Pennington Biomedical confirmed the accuracy of remotely gathered physical measurements for children in a weight management study. The findings support the value of remote height and weight measurements for both research and clinical purposes.
Researchers at KAUST have investigated the potential of manipulating fonio's association with soil microbes to improve its drought tolerance and nutritional content. The study found that the core microbiome of fonio millet plays an important role in its general metabolism, and that environmental factors can influence microbial diversit...
Researchers have discovered water vapor in the disc around a young star exactly where planets are forming. The Atacama Large Millimeter/submillimeter Array (ALMA) enabled detailed images and spatially resolved observations, revealing three times as much water as Earth's oceans in the inner disc of the HL Tauri star.
Research shows that invasive Asian honeybee population in North Queensland has overcome a genetic bottleneck to grow into a thriving colony. The study highlights the importance of this case for understanding population resilience and provides insights into how some species can adapt quickly despite low genetic diversity.
Researchers at NJIT's Newark College of Engineering and College of Science and Liberal Arts receive $265K in grants from the New Jersey Health Foundation to develop biodegradable materials, enhance bone regeneration, and create air filters for viral removal. The projects focus on addressing environmental impact and promoting healthcare...
Researchers utilized femtosecond X-ray crystallography to track structural alterations in PSII after laser flash illumination. The findings revealed intricate dynamics of electron transfer, proton release, and substrate water delivery, providing insights into the mechanisms underlying oxygenic photosynthesis.
Researchers will develop new tools to understand how proteins interact and regulate the nervous system. The project aims to identify new therapeutic targets for brain disorders and generate diagnostic tools.
Scientists at ETH Zurich have developed a novel method to extract gold from electronic waste using a protein matrix sponge. This sustainable approach yields a high percentage of gold recovery with minimal energy consumption, making it commercially viable.
A recent study from Amsterdam UMC and the University of Glasgow found that loneliness increases physical frailty, leading to a higher risk of depression, falls, and cognitive decline in older adults. The research analysis more than 130 studies and revealed that reduced social functioning is associated with physical decline in older adu...
Researchers found that Indigenous communities in California were exposed to 1.7 times more wildfire smoke than expected, with the average annual exposure being a critical factor in understanding long-term health effects. The study proposes new metrics to measure cumulative exposure and duration of smoke exposure.
Scientists analyzed carbon isotope values of hazelnuts from ancient sites in southern Sweden to understand local woodlands thousands of years ago. The study found that hazelnuts were harvested from progressively more open environments over time, indicating significant changes in microhabitats.
Scientists have identified a crucial role of the newly discovered ion channel Elkin1 in converting mechanical stimuli into electrical signals, enabling normal touch sensation. The findings also suggest Elkin1 may play a part in transmitting painful mechanical stimuli, opening up new potential targets for chronic pain treatment.
Researchers have developed a new compound using MXenes, which can be used to create lightweight and efficient telecommunication antennas. This innovation has the potential to transform satellite communication and replace traditional manufacturing methods.
Researchers discovered a potential treatment for Alzheimer's disease also prevents Type 2 diabetes by blocking the formation of toxic IAPP clusters. A synthetic peptide was shown to bind and neutralize these clusters, keeping beta cells alive.
A recent study published in Psychology and Aging found that people who identify themselves as looking younger have more positive experiences related to aging, such as being asked for advice and wisdom. On the other hand, those who feel older experience more negative interactions and age-based discrimination.
This study of 536 adults with chronic conditions found disparities in patient portal use, with sociodemographic groups and health literacy levels showing varying trends. The COVID-19 pandemic led to an increase in portal use, while a brief validated health literacy measure may help identify patients who need further support.
Scientists discovered a plausible pathway for the formation of protocells, suggesting that phosphorylation may have occurred earlier than expected. This finding helps understand how early evolution took place and sheds light on the origins of life.
Genetic research revealed many new fern species in tropical America, with 18 newly named and described species. The study found that similar-looking species were previously thought to be a single widespread species.
A study by Dr. Yamamoto et al. discovered 200 types of proteins, including β2-m, adsorbed onto blood purification devices in dialysis patients. These proteins, such as lysozyme, are involved in amyloid fibril formation and may contribute to the disease progression.
Patients with behavioral health disorders (BHDs) are less likely to undergo surgical resection and face a higher probability of complications, extended hospital stays, and readmission. BHDs increase healthcare costs by 7.76% and worsen prognosis in cancer patients.
Researchers have developed a low-tech method to collect rare-earth metals from spent fluorescent bulbs, mimicking lamp components with magnetic field-controlled chromatography. The process recovered 93% of the rare-earth phosphors, paving the way for practical recycling applications and sustainable technologies.
Astronomers have discovered a significant amount of water vapor in the disc around a young star, located exactly where planets are thought to be forming. This finding provides new insights into the distribution of water in planet-forming discs and its potential impact on planetary formation.
Researchers at Binghamton University have developed a new technique to extract usable DNA from bones of fire victims, allowing identification through dental records or DNA testing. The method uses two different techniques to extract DNA, one suitable for temperatures below 350 degrees and the other for hotter fires.
Researchers propose that policy interventions should focus on reducing energy demand to improve energy security, rather than just increasing supply. This approach is found to be more effective in making countries less susceptible to convergent energy crises.
Researchers define a 'core senescent profile' in human colon fibroblasts, revealing potential driver proteins involved in CRC. The study's findings provide insights into therapies for improving overall health and preventing CRC.
A team of IBEC and ISGlobal scientists developed an innovative compound effective against both malaria and leishmaniasis. The compound, YAT2150, was originally designed as an antimalarial drug but showed high efficacy against leishmaniasis, making it a promising candidate for treating co-infections.
Research suggests that magnetite particles, found in air pollution, can induce signs and symptoms of Alzheimer's disease. The study exposed mice to fine particles of iron, magnetite, and diesel hydrocarbons, finding that magnetite induced Alzheimer's disease pathologies, including neuronal cell loss and amyloid plaque formation.
Researchers at Linköping University developed improved neutron mirrors coating silicon with iron and silicon mixed with boron carbide to increase efficiency in material analysis. This enables more neutrons to reach instruments, improving experiments.
A new meta-analysis published in eClinicalMedicine found that individuals with sickle cell disease or the sickle cell trait are more likely to die from COVID-19 compared to the general population. The study analyzed data from over 1,900 patients with sickle cell disease and 8,700 carriers of the sickle cell trait.
A new study finds that emergency atmospheric geoengineering would not be able to reverse changes to ocean currents, even with stratospheric aerosol injection. Gradual injections can maintain current temperatures and circulation patterns, but abrupt injections fail to restore critical ocean circulation patterns.
A new study found that a widely used prostate cancer test may leave black men at increased risk of overdiagnosis due to naturally higher PSA levels. The study analyzed patient records of 730,000 men and found that black men were more likely to receive a diagnosis of prostate cancer after a raised PSA test result.
Researchers at Martin-Luther-Universität Halle-Wittenberg developed novel RNA- or DNA-based substances that reliably fight off viral infections in plants. The new approach uses antisense oligonucleotides to target specific viral RNA molecules, achieving an impressive up to 90% success rate against a common virus.
Researchers report that Golgi ribbons are present in non-vertebrates like mollusks and earthworms, suggesting a fundamental function beyond vertebrate specificity. The team's findings indicate that Golgi ribbons might play a role in cell differentiation during embryogenesis.
The study highlights the urgent need to tackle obesity and underweight globally, particularly in poor countries. Obesity rates have surpassed one billion, with combined rates of underweight and obesity being more common than malnutrition in many countries.
Researchers found that individuals with mild cognitive impairment (aMCI) struggle with ambiguous sentences, indicating a key deficit in processing complex language. This deficit is independent of memory loss and may serve as an additional 'cognitive biomarker' for early detection.
Replacing half of red and processed meat intake with plant protein foods reduces diet-related greenhouse gas emissions by 25%. Partial substitutions also lead to increased lifespan and mitigate chronic disease risk.
The study uses data from Gemini North to analyze a supermassive black hole binary located in the elliptical galaxy B2 0402+379. The team estimates the binary's mass to be 28 billion times that of the Sun, qualifying it as the heaviest binary black hole ever measured.
UCLA Health researchers found a group of astrocytes in the central striatum regulate neurotransmitter communication and gate perseverative behavior. The discovery may lead to potential therapies for disorders like autism, OCD, and Tourette syndrome.
Researchers at Penn State have identified a bacterial enzyme, bile salt hydrolase, that produces new bile acid species in humans at birth, coinciding with the establishment of the gut microbiome. This discovery opens up new avenues for exploring the role of bile acids in human health and disease.
Researchers from Kobe University have discovered a new plant genus and species of Thismiaceae family, found primarily in southern Japan. The plant, named Relictithismia kimotsukiensis, feeds on fungal mycelia and is extremely rare, with only four individuals found in the same area.
The 2023-24 El Niño phenomenon is likely to cause record-breaking average surface air temperatures in some areas, including the Bay of Bengal and the Philippines. Global mean surface temperatures are predicted to break historical records with a 90% chance under a moderate or strong El Niño scenario.
A new study published in the American Journal of Respiratory and Critical Care Medicine found that childhood tonsillectomy is not associated with an increased risk of obesity in adulthood. The research followed 132 children who underwent tonsillectomy for obstructive sleep apnea and found no link to weight gain in adulthood.
A change in circulating influenza viruses is driving the US to move away from quadrivalent to trivalent flu vaccines. Researchers suggest removing B/Yamagata virus from vaccine formulations to avoid protecting against non-circulating strains.
Researchers have characterized the rapid series of events transforming a fertilized cell into a living being, highlighting rapid changes in genetic activity post-birth. The study's findings underscore the speed at which newborns must adapt to extrauterine life and offer insights into long-term physiology and health outcomes.
The EU-funded BiCIKL project has developed a flagship outcome - the Biodiversity Knowledge Hub - a one-stop portal for understanding biodiversity research infrastructures. The consortium has also created 12 services dedicated to FAIR and linked ready-to-use biodiversity data.
Researchers discovered similar genetic elements underlying vocal learning in humans, bats, whales, and seals. AI-powered analysis identified 50 gene regulatory elements associated with vocalization and autism in multiple mammalian species.
Conventional supply-side policies overlook benefits of demand-side policy approaches, which can improve energy security through continuity, affordability, and sustainability. A novel analysis by Nuno Bento et al. shows that demand-side actions outperform supply-side approaches in making countries more resilient to energy crises.
A new study found that climate change significantly alters seasonal patterns of river flow worldwide, particularly in high northern latitudes. The research, which combined in situ observations and model predictions, reveals a discernible weakening of the seasonal cycle in rivers above 50° N.
The study of ancient genomes has shed light on the evolution of modern humans, revealing genetic changes that distinguish us from Neanderthals and Denisovans. These findings suggest that population-level advantages, such as increased connectivity and access to resources, played a significant role in shaping human migration patterns.
A new model of glioblastoma's key feature, oncostreams, could help scientists understand how to develop new treatments for this aggressive brain cancer. The model, developed by a team at the University of Michigan, identifies a potential inhibitor that appears to dismantle oncostreams, leading to better survival in mouse models.
Researchers at Berkeley Lab developed EcoFABs to standardize plant microbiome experiments, leading to findings on optimal nitrogen conditions for improved bioenergy crops. The devices also facilitate classroom learning, engaging students in hands-on research.
The General Medical Council's definition of international medical graduates (IMGs) is being challenged as it overlooks doctors from the European Economic Area (EEA). A commentary argues that the term should include all doctors practicing in the UK with primary medical qualifications from outside the UK, including those from EEA countries.
Researchers propose a three-level analysis approach to studying social emotions, integrating empirical research from psychology and cognitive neuroscience. This framework can analyze emotions along different dimensions, connecting external stimuli to internal processes, and shedding light on existing evidence.
A team of scientists has developed a novel strain-free approach to investigate the intrinsic electronic ground state of Kagome superconductors. This study provides a unifying picture of the controversial charge order in Kagome metals, highlighting the need for material control at the microscopic scale.
A new bioelectronic system has been developed to measure electrical conductivity in microorganisms without requiring biofilm formation on electrodes. This approach has revealed that Pseudomonas aeruginosa and Bacillus subtilis possess conductive properties, with potential applications in environmental energy technologies.
Rice researchers developed a rapid and accurate point-of-care malaria test that is 12 times faster and easier to use than traditional tests. The device can detect asymptomatic infections and predict disease outcomes, leading to early identification and treatment of severe cases.
A University of Cincinnati study found real-time navigation enhances precision in liver cancer ablation, with improved accuracy for less experienced surgeons. The technology provides detailed information on tumor location, reducing damage to surrounding healthy tissue.
A team of scientists from USTC has made breakthrough advancements in the development of a reliable CO2 conversion system utilizing proton-exchange membranes. The system leverages specific protein structures to optimize CO2 removal, holding promise for targeted treatments of genetic disorders associated with impaired bilirubin metabolism.
Researchers at KIER have developed a breakthrough technology to produce high-purity hydrogen from ammonia, completely eliminating carbon dioxide emissions. The method utilizes pressure swing adsorption technology and a ruthenium catalyst to separate hydrogen from nitrogen.
A new study published at Columbia University Mailman School of Public Health found that prenatal exposure to general anesthesia for maternal surgery during pregnancy significantly increases the risk of disruptive or internalizing behavioral disorders, including ADHD and autism, in children. The study suggests that safer anesthetic drug...
Researchers evaluated an early-grade literacy intervention in Haiti, identifying factors that influenced outcomes, including instructional time, curriculum uptake, and school leadership. The study's findings can inform future literacy interventions to create opportunity for millions of children globally.
A new approach to reconstructing 3D faces from single depth images uses a fusion of auto-labeled synthetic and unlabeled real data, achieving competitive performance on challenging datasets.
The growing use of preprints has led to a reevaluation of the traditional peer-review system. Researchers are encouraged to adopt open and constructive peer review practices. New guidelines aim to accelerate this shift, promoting collaboration and improving science culture.
Researchers identified pyrenoid-associated proteins in a marine chlorarachniophyte alga, suggesting independent evolution of CO2-fixing organelles in each algal group. These findings have implications for genetic engineering to increase photosynthetic performance and improve crop productivity.
A study of the Orion Nebula reveals that massive stars play a crucial role in shaping planetary systems. The intense ultraviolet radiation from these stars can either facilitate or hinder planet formation, depending on the mass of the star at the system's center.
Researchers at Oregon Health & Science University found that COVID-19 vaccination during the first half of the menstrual cycle can cause slight, temporary changes in cycle length. This effect typically resolves after vaccination.
Researchers found that pelagic fish are more strongly impacted by human pressure but also benefit from marine protected areas. The study highlights the importance of increased protection in remote regions to safeguard the world's largest and most endangered pelagic fishes.
Neuroscientists have improved understanding of how the brain creates a map of its environment by revealing the role of endocannabinoids in navigation. Activated place cells release endocannabinoids, which signal quickly and specifically, allowing animals to encode information about their location.
Researchers have developed a new CRISPR-based approach to study the function of immune genes, bypassing challenges of modifying immune cells. By targeting stem cells that produce immune cells, scientists can knock out specific genes in different cell types at various times, providing greater insight into gene interactions and their rol...
A small study found that tandem cycling paired with virtual reality improves the physical and emotional well-being of both participants. Care partners also showed significant improvements in resiliency and depression scores after the intervention.
A study by Ohio State University researchers found that socioeconomic status consistently underlies other factors affecting opportunities for girls to participate in sports. Higher family socioeconomic status increased the likelihood of girls playing most sports, while lower-income schools had a negative impact on participation rates.
Researchers at Cornell University have devised a novel way to determine ocean temperatures of distant worlds based on the thickness of their ice shells. This technique can be used to enhance NASA's mission findings about Europa and Enceladus, two Jovian and Saturnian moons that could potentially support life.
A comprehensive study found pulse oximeters significantly overestimated oxygen saturation readings in individuals with darker skin tones. This could lead to missed treatments and incorrect diagnoses, as devices may not accurately reflect critical oxygen levels.
A world-first study from the University of South Australia reveals that getting a good night's sleep is tied to how you structure your day, with exercise at the heart of sleep quality. Children and adults with higher levels of moderate to vigorous physical activity had less troubled sleep, reduced tiredness, and better sleep quality.
A recent study found that intergenerational mentorship programs can help overcome ageism in healthcare by providing meaningful connections between older adults and medical students. The programs, which involve younger students working with older mentors, help to break down stereotypes and promote a better understanding of older people'...
A team of researchers from Pusan National University developed a method to enhance the stability of perovskite solar cells using crown ether B18C6. This approach resulted in improved power conversion efficiency and resistance to moisture, addressing key issues such as lead leakage and degradation due to environmental factors. The study...
A study reveals that nitrogen plays a crucial role in phytoplankton growth in shallow lakes worldwide, contradicting traditional limnological consensus. The research team analyzed data from 159 lakes and found that 60% exhibit dual-nutrient limitation, where both phosphorus and nitrogen affect phytoplankton growth.
Researchers recommend strategies to improve perovskite solar cell efficiency, addressing defects and unsuitable band structures. Tandem solar cells and optimized fabrication methods also hold promise for further advancements.
Researchers discovered that two types of TORC1 complexes in yeast play unique roles in cellular responses to stress and lifespan regulation. The study's findings provide new insights into molecular evolution, cellular signaling pathways, and age-related diseases, offering promising avenues for human health advancements.
New Flinders University research reveals that health economists can play a key role in improving hospital efficiency and decision-making in Australia. By analyzing data and engaging with clinicians, health economists can inform budget decisions and prioritize areas of greatest improvement. The study's findings provide a basis for the b...
A recent MSU-co-authored study identifies 10 insights to reduce vaccine hesitancy on social media, emphasizing the importance of messaging tailored to specific groups, correcting misinformation, and leveraging trust in vaccination campaigns. The research aims to alleviate bias and improve vaccine uptake behaviors.
Researchers at McGill University found that biodiversity change measurements are uncertain in many places, making it difficult to evaluate the effectiveness of conservation efforts. To address this issue, they suggest proposing a risk framework and investing in national and international biodiversity monitoring systems.
A team of scientists at The Hospital for Sick Children developed an innovative statistical approach to demonstrate the effectiveness of a medication in reducing disease progression and liver transplants in children with Alagille syndrome. Using data from an international real-world cohort, they found a 70% improvement in event-free sur...
A team of scientists has created a highly flexible, uniformly luminescent photochromic fiber that can achieve uniform light emission and wide color gamut control. The fiber is designed to be mass-producible and integrated into various wearable interactive interfaces, enabling diversified interactions such as emotion and communication.
Researchers developed an autonomous heating system that uses real-time temperature and wind-direction data to warm fruit tree canopies. The system resulted in significantly reduced damage to apple tree buds in tests, with increased canopy protection times of over double and nearly triple in low temperatures.
A KAIST team developed an insect-mimicking semiconductor that mimics the optic nerve of insects to detect motion. The device operates at high efficiency and ultra-high speeds, and has been applied to a neuromorphic computing system for predicting vehicle paths. It achieved 92.9% less energy consumption compared to existing technology.
Researchers have developed a chemical etching method to widen the pores of metal-organic frameworks (MOFs), which could improve their applications in fuel cells and as catalysts. The new MOF structure enables faster transfer of chemicals, enhancing activity and stability.
A study found that upstream and downstream companies in supply chains have conflicting eco-label selection preferences, with suppliers preferring certification labels and manufacturers opting for self-labeling. Multi-level certification labels may be more effective when consumers lack trust in self-labeling and green investments are low.
A new paper explores the impact of habituation and neural adaptation on male mate choice signals, suggesting that these mechanisms may favor rapid divergence and diversity. The study proposes a more nuanced understanding of female responses to male signals, including the role of sensory adaptation in shaping mate choice.
New research reveals that lockdowns had a significant impact on the gut microbiome development of babies born during these periods. Babies born during lockdown periods showed lower rates of allergic conditions compared to pre-pandemic babies, likely due to reduced infection and increased breastfeeding.
A new paradigm combining ChatGPT with machine learning significantly eases application of ML in environmental science, bridging knowledge gaps and empowering scientists. The integration of ChatGPT with ML lowers barriers to advanced data analysis, enabling more efficient pollution monitoring and sustainability research.
Only half of European countries have national guidelines for treating child victims of sexual abuse, leading to unequal and potentially severe consequences. The existing guidelines are often outdated and fail to incorporate the latest scientific insights.
Rice University researchers have developed a new, energy-efficient process to upcycle glass fiber-reinforced plastic (GFRP) into silicon carbide, widely used in semiconductors and sandpaper. The method involves heating the mixture of GFRP and carbon to extremely high temperatures, transforming it into conductive silicon carbide.
Researchers have detected tellurium in a kilonova afterglow, indicating that neutron star mergers can create rare heavy elements. This discovery sheds light on the formation of elements heavier than iron and provides new insights into the universe's chemical composition.
Researchers at UC Davis identified a promising new fungicide, ebselen, that targets the autophagy pathway to prevent fungal infections in crops. The chemical has shown anti-inflammatory and neuroprotective properties in humans and is more effective than currently available fungicides.
A study of 34,500 patients found racial and ethnic disparities in locally advanced rectal cancer treatment outcomes may be influenced by unidentified biological or social factors. Non-Hispanic Black patients were more likely to experience poorer outcomes.
A new study directly observes far-ultraviolet-driven photoevaporation of a protoplanetary disk in the Orion Nebula. This process strips the disk of gas and dust, potentially suppressing gas giant planet formation within a million years. The findings provide insights into constraints of gas giant planet formation in our Solar System.
Researchers found that the SYNGAP1 gene has a dual function in regulating synapses and synaptic plasticity, which may lead to new treatments for children with SYNGAP1 mutations. The study suggests that targeting just one aspect of SynGAP's function is not enough to have a significant impact.
Scientists estimate carbon emissions from ancient volcanic events using a new technique that analyzes excess mercury left behind in rock records. The study suggests that these large igneous provinces may have triggered positive Earth system feedbacks, exacerbating the effects of carbon emissions.
A team of researchers has unveiled over 200 well-preserved fossils from Queensland's Black Mountain, revealing intricate siphuncle morphology in Plectronoceratids. The discovery challenges previous interpretations and advocates for a revised taxonomy, consolidating multiple species under the order Plectronoceratida.
Researchers developed an all-light communication network that combines different types of light sources to ensure connectivity in various environments. The network enables real-time data transmission between nodes, facilitating applications such as video conferencing, sensor data exchange, and Internet of Things services.
Seven high-impact studies will be showcased, exploring novel therapies and improving treatment outcomes for patients with head and neck squamous cell carcinoma. These findings highlight advancements in immunotherapy, risk-directed adjuvant therapy, and FDG-PET-based selective de-escalation of radiotherapy.
A study reveals that feeling young appears to reduce ageism among older adults, but those who invest in appearance are more likely to experience negative outcomes. Those who feel younger score higher on positive age-related experiences and lower on negative ageism, while those who look older face increased negative ageism and poor health.
A new University of Miami study finds that individuals' ability to sustain attention decreases over time while performing tasks. Mind-wandering occurs at least 50% of the time towards the end of tasks, suggesting that effective strategies for curtailing mind-wandering are needed.
Dr. Ryyna Ethell's lab at UC Riverside has been awarded a $2.4 million NIH grant to investigate the role of astrocytes in inhibitory synapse development and their connection to neurodevelopmental disorders like ADHD and autism.
A recent study reveals how animal agriculture companies shape public discourse and policymaking in their favor, downplaying their role in climate change. Industry-funded efforts have been bolstered by collaborations with academic researchers, hindering meaningful action on climate change mitigation.
A new study published in GeoHealth suggests that forests can provide natural protection against disease transmission, including malaria. The research found that deforestation increases the risk of malaria, especially among children from poorer households and communities with certain dominant mosquito species.
A recent study by researchers at NYU Tandon School of Engineering found that NYC is the safest among large US cities in terms of gun violence. The study used a data analytics measure called Scale-Adjusted Metropolitan Indicators (SAMIs) to filter out population effects and compare cities of different sizes.
A new study found that MERRICAL, a long non-coding RNA sequence, is involved in recruiting macrophages to the arterial wall and promotes atherosclerosis progression. Reducing MERRICAL expression levels using inhibitors significantly reduced atherosclerosis and aortic lesion formation.
A study published in Horticulture Research has uncovered the cellular and molecular mechanisms underlying the spur development in Impatiens uliginosa. The research found that early cell division and anisotropic cell elongation are crucial for spur growth, with hormones such as auxin playing a significant role in regulating this process.
A Cancer Research UK-funded study uses AI to identify two distinct subtypes of prostate cancer, termed evotypes, which could lead to personalized treatments. The discovery has the potential to improve diagnosis and treatment outcomes, saving thousands of lives in the future.
Researchers found a direct link between loss of smell and decreased olfactory neuron population in nasal mucosa. Early corticosteroid treatment improved recovery of olfactory abilities in animals.
A new analysis of Perucetus colossus, a 30 million year-old fossil whale, estimates its weight to be between 60-70 tons, significantly less than the original estimate of 180 metric tons. This revised size allows the whale to maintain neutral buoyancy in water and come to the surface to breathe.
Researchers at uOttawa have found that amorphous solids selectively absorb light of different polarizations, contradicting prior beliefs. The study reveals the importance of short-to-medium range order within disordered solids in influencing how materials react to light.
Two new studies explore the link between attention and eye movements, showing that attention can be lost when objects change suddenly before gaze falls on them. Researchers also found distinct neuronal signatures in primate visual cortex for attention and eye movement signals.
Researchers found that microbial viruses carry special genetic elements for controlling methane processes, called auxiliary metabolic genes (AMGs). The study suggests that viral contributions to methane cycling are underestimated and deserve more attention.
Researchers found that camouflaged moths have more variation in wing patterns than aposematic ones, but similar variations in colour and contrast. This suggests that pattern variability is crucial for disrupting predators' search images while maintaining essential colours for camouflage or signalling.
Researchers identified 10 new types of DNA polymerase involved in mitochondrial DNA maintenance, including rdxPolA, which is a direct descendant of the α-proteobacterial symbiont that gave rise to the first mitochondrion. The study provides critical insights into the early evolution of mitochondrial DNA maintenance machinery.
Research published in Science found that 21% of rivers worldwide showed significant alterations in seasonal water levels due to climate change. This threatens freshwater biodiversity and water security as river flow seasonality weakens.
A Mass General Brigham study found that emergency department visits and deaths rose by 1.22% and 1.4%, respectively, one week after major climate-driven weather events, with elevated mortality rates persisting for six weeks.
Scientists created an AF4-ICP-MS system to analyze cytotoxicity of silica nanoparticles in human hepatoma cells, revealing smaller particles exhibited higher toxicity. The study provides insights into nanoparticle exposure risks and potential health damage.
Researchers studied tropical forest root functions to improve climate change predictions and understand carbon storage dynamics. The study found that 30% of global soil carbon is stored in tropical forests' root biomass, which can act as a carbon bank.
A new study by University of Gothenburg researchers shows that non-profit organizations provide the highest-quality elderly care in Swedish residential care homes. These homes have the highest staff density, most competent care staff, and highest resident satisfaction compared to homes run by profit-making companies.
A machine-learning model developed by UC Davis Health clinicians and data scientists can accurately predict the risk of developing hepatocellular carcinoma (HCC) in patients with metabolic dysfunction-associated steatotic liver disease (MASLD). The model, which was validated on a large dataset, identified four additional risk factors a...
A young researcher from the University of Copenhagen has made a surprising discovery of high concentrations of methane in meltwater from three Canadian mountain glaciers. The findings challenge previous assumptions that methane in meltwater could only be found in oxygen-free environments under large ice masses.
Researchers identified rare genetic mutations in two tropical tree species, which are transmitted to offspring and contribute to their genetic diversity. These mutations have no effect on UV exposure but can help the trees adapt to changing environments.
A new study from the University of Illinois examines factors affecting E. coli contamination on five leafy greens, including romaine and spinach. Researchers found that refrigeration significantly reduces E. coli growth on lettuce, while kale and collards are less susceptible due to their natural antimicrobial properties.
Researchers discovered a new type of stem cell that can regenerate cartilage in arthritic mice, offering potential for treating osteoarthritis. The stem cells, derived from human pluripotent stem cells, were found to efficiently generate new cartilage when transplanted into the knees of OA mice.
LGBTQ+ managers who adopt authentic leadership styles experience greater career satisfaction and psychological benefits, particularly those lacking self-confidence. The study highlights the importance of authenticity in leadership for promoting engagement and job satisfaction.
A new study from the University of British Columbia found that driving an electric car is cheaper in some regions of Canada, such as Quebec and BC, than others, like Nunavut. The researchers analyzed factors like tax rebates, charging costs, and electricity prices to determine the break-even point for electric cars.
Researchers capture atomic resolution images of ionotropic glutamate receptor transporting calcium, revealing a temporary pocket that traps calcium. The mechanism discovered is conserved across all species of mammals and has implications for synaptic function and learning processes.
A study published in BMC Geriatrics uses in-vehicle sensors to detect anomalous driving behavior indicative of cognitive impairment in older adults. The system analyzes driving patterns, facial expressions, and eye movement to identify early signs of dementia.
A study published in Cancer Research Communications reveals a potential genetic marker associated with better survival outcomes in patients with head and neck cancer. The researchers found that the presence of a specific genetic variant and higher expression of the GAN gene product gigaxonin may contribute to improved survival rates.