A recent study found that rural counties in the US experienced higher mortality rates during the Omicron wave of COVID-19, particularly among unvaccinated patients. Vaccination coverage was a significant factor in reducing patient outcomes.
MIT researchers demonstrate two security methods that protect analog-to-digital converters from powerful attacks, including power and electromagnetic side-channel attacks. The techniques are more efficient and less expensive than other security methods, minimizing power consumption and cost for portable smart devices.
Scientists at the Fred Hutchinson Cancer Center have made encouraging progress in developing a vaccine against Epstein-Barr virus (EBV), which is linked to various diseases. The new concept uses nanoparticles displaying dummy copies of gH/gL proteins, stimulating antibody production that can disrupt EBV's ability to infect healthy cells.
A new study published in Geology describes the earliest record of wildfire found yet to date, dating back 430 million years. The discovery provides valuable insights into the role of wildfires in Earth's systems during the Silurian period.
A newly installed deep-water pipeline has led to a significant increase in the abundance and diversity of marine life on the Angolan coast. The study found that the pipeline provided shelter and trapped organic matter, which animals feed on, resulting in an immediate boost to sea-floor animals.
Researchers from Tokyo Institute of Technology developed a novel phased-array beamformer for 5G base stations, overcoming limitations in NR 39 GHz bands. The design combines Doherty amplifiers and digital predistortion techniques to improve power efficiency and reduce distortion.
Researchers identified immune endothelial cells promoting inflammation and developmental endothelial cells supporting cell development, regeneration, and proliferation. The study's findings may lead to targeted treatments for lung infections and acute respiratory distress syndrome.
A novel AI-empowered robotic device successfully assisted in percutaneous nephrolithotomy—surgery for removing large kidney stones. The trial showed improved precision and reduced complications, with a significant reduction in needle punctures and puncture duration.
A new SPECT imaging system performs scans 10-100 times faster than current systems, offering better image quality and increased patient throughput. The self-collimation concept improves traditional SPECT imaging by reducing scan time and radiation exposure.
A new study published in JAMA found that digital breast tomosynthesis (DBT) may reduce the chance of an advanced cancer diagnosis for women with the densest breasts and highest risk, but not all women. DBT had additional advantages for women with specific risk profiles, including a higher rate of detection of small invasive breast canc...
A study published in the British Journal of Anaesthesia found that fentanyl can induce changes similar to autism-like behaviors in young male and female mice. The research team discovered that fentanyl induces autism-like behaviors via activating the mu-opioid receptor in the anterior cingulate cortex.
A new study published in Microbiology Spectrum found that nasopharyngeal swabs were the most effective method for detecting COVID-19, with detection rates ranging from 92 to 100%. Saliva and anterior nares tests had lower detection rates, particularly in asymptomatic patients.
Astronomers observed the fastest nova ever recorded, which drew attention to an unusual star. The research team studied its many baffling traits, including a pulsing light pattern, and may find answers to questions about our solar system's chemistry, star death, and universe evolution.
Scientists have identified the DOMINANT AWN INHIBITOR (DAI) gene in sorghum, which regulates the absence and shortening of awns. The gene encodes a protein that negatively regulates awn formation as a transcription factor, with implications for breeding modern awnless cultivars.
Researchers found a potential association between COVID-19 vaccines and an increased risk of coagulation disorders and coronary artery disease events. The study analyzed data from Norway, Finland, and Denmark to investigate this connection.
A team from Tokyo Tech has developed a new methodology to observe dynamic bonding between atoms, revealing transient structures resulting from atomic assembly. They used video tracking and ADF-STEM to directly visualize metallic dimers and trimers, achieving high atom discrimination accuracy.
Researchers at the University at Buffalo have developed a new magnetic material that can help monitor the amount of charge left in lithium-ion batteries. By tracking changes in the material's magnetism, scientists can estimate the battery's state of charge.
A large study of over 90,000 postmenopausal women found a strong association between sugar-sweetened beverage consumption and an increased risk of developing liver cancer. The study suggests that reducing sugar-sweetened beverage intake may help lower the likelihood of developing liver cancer.
Researchers propose a new method to differentiate signals from the epileptic focus from those recorded in other parts of the brain. The technique shows that focal signals are more synchronized than non-focal signals, and phase irregularity can be used to identify epilepsy-induced features.
Researchers found that cats' damage to catnip releases higher amounts of strong insect repellents, which are 10-fold higher than from intact leaves. This altered iridoid mixture promotes a prolonged response in cats, effectively repelling mosquitoes.
A new study found that water insecurity is strongly linked to food insecurity, particularly in low and middle-income countries. The research suggests that improving access to water could be key to addressing food insecurity, as water scarcity affects cooking, hygiene, and farming.
A new study finds that coastal wetlands in rural US areas will persist or expand due to rising sea levels, not be slowed by human barriers. The Chesapeake Bay region is expected to experience significant land loss, with over 600 square miles predicted to become inundated by 2100.
A study by the University of Helsinki found that dried saliva and fingertip blood samples can reliably measure antibody levels associated with SARS-CoV-2. The results showed high sensitivity and specificity for distinguishing vaccinated individuals from non-exposed groups.
Research calls for new measures to create more sustainable development in China and the US to avoid economic recession and environmental degradation. The US is expected to become a leader in circular economy recovery.
A University of Waterloo study found that current Hepatitis B vaccination, screening, and treatment strategies in Ontario would leave the province short of its goal to reduce preventable infections. The report's authors developed a computer model simulating long-term effects of existing strategies, which they found would only decrease ...
Researchers developed a method to improve the dynamic behavior of bolted connections by pasting a thin GFRP plate, increasing bearing strength and reducing fracture behavior. The study aims to create safer, more secure and lighter building structures with longer lifespans.
A pioneering study shows that climate change was the primary driver of the location of ancient coral reefs, which once extended far beyond the tropics. The researchers used habitat modeling and reconstructions of past climates to predict the distribution of suitable environments for coral reefs over the last 250 million years.
A massive global study of social distancing motivations has yielded new insights into the effectiveness of different styles of messaging. Autonomy-supportive messages that encouraged personal agency were found to be more effective in influencing individuals' behaviors than controlling or shaming messages.
Researchers developed a novel nanoparticle to deliver ARL67156, an enzyme inhibitor that prevents ATP degradation into adenosine, selectively targeting solid tumors. The treatment substantially suppressed tumor growth and resulted in prolonged survival in mouse models.
A new study found that a healthy, plant-based diet was associated with a 14% lower risk of breast cancer in postmenopausal women. Researchers analyzed data from over 65,000 participants and categorized their diets into different food groups, concluding that choosing healthy plant-based foods is likely helpful for cancer prevention.
Researchers identified specific types of toxins produced by cyanobacteria in Oregon lakes, including microcystin and cylindrospermopsin. The study provides important information for protecting public health and responding to harmful algal blooms.
Researchers at the University of Bristol have discovered that moth wing scales can absorb up to 87% of incoming sound energy, even when placed on an artificial surface. This finding has huge implications for building acoustics and travel industries, with potential applications for ultrathin sound absorbing panels.
SourceUniversity of Bristol·JournalProceedings of the Royal Society A Mathematical Physical and Engineering Sciences·TypeComputational simulation/modeling·DateJun 14, 2022
John Kershner, a Lehigh University PhD candidate, has been awarded a Fulbright research grant to continue his work on owl-inspired aero-acoustics in Germany. He will collaborate with researchers at Brandenburg Technical University and the DLR to experimentally test these designs.
A study published in Canine Medicine and Genetics found English Bulldogs are at increased risk of breathing, eye, and skin conditions due to their extreme physical features. The authors advocate for redefining the breed standard towards more moderate characteristics to improve health.
Researchers at the University of Utah designed composite materials using moiré patterns, resulting in abrupt transitions between electrical conductor and insulator properties. The study's findings have broad potential technological applications and demonstrate a new geometry-driven localization transition.
A study published in Sleep Health: Journal of the National Sleep Foundation found that emergency medical service (EMS) workers who experience poorer sleep quality report higher levels of anger. The researchers discovered a significant link between lower sleep quality and increased anger levels among EMS workers, with anger levels incre...
A new study from the University of Texas at Austin found that companies with high levels of inventor collaboration are better off when collaborating with universities, as it creates a knowledge protection effect. This strategy helps organizations hedge against rivals discovering company secrets while still benefiting from academic part...
Research reveals cats enhance feline response to plant iridoids through physical damage, leading to increased mosquito repellency. The study found that damaged silver vine leaves emit a stronger aromatic odor compared to intact leaves, promoting a prolonged response in cats.
Researchers at Cornell University named a new green alga species after poet Amanda Gorman, who inspired them during a challenging year. The discovery was made by accident while studying hornwort plants and contains unique DNA from fungi and bacteria.
The guide introduces quantum algorithms and their implementation on existing hardware, providing a thorough introduction for would-be programmers. It surveys 20 quantum algorithms and guides readers through implementing them on IBM's 5-qubit quantum computer, covering the basics of quantum programming and in-depth algorithm explanations.
Researchers have developed a new protocol for differentiating human embryonic stem cells into retinal pigment epithelial (RPE) cells, which can be used to treat age-related macular degeneration. The study shows that the protocol produces a pure population of RPE cells that can continue maturing after transplantation, paving the way for...
A new study published in Nature Communications found that life cannot explain the composition of Venus' atmosphere. The researchers used a combination of biochemistry and atmospheric chemistry to test the 'life in the clouds' hypothesis, but their results showed no evidence of chemical fingerprints from life forms on Venus.
A study found that US adults receiving hemodialysis with high air pollution exposure have more heart attacks and strokes compared to those with low exposure. The strongest associations were noted among patients who were Asian, older, or had chronic lung disease at dialysis initiation.
Researchers at KTH Royal Institute of Technology have developed a thermoelectric coating that converts low-grade heat into electrical power, with potential to replace batteries in wearables and IoT devices. The coating can be applied to any surface that generates heat, enabling efficient energy harvesting.
A new study found that genes tied to perception of five basic tastes may influence diet quality and cardiometabolic risk factors. Researchers identified associations between taste-related genes with specific food groups and risk factors, suggesting personalized nutrition guidance could improve diet quality.
Southern right whale mothers choose shallow nursery sites in 30-foot-deep waters to minimize predator detection, allowing them to communicate securely with their calves. This habitat selection behavior is a new form of acoustic crypsis, reducing the risk of being overheard by predators.
Research found that food insecure teens are more likely to attempt weight loss, while college students who drink may compensate with unhealthy eating behaviors. Additionally, studies linked sugar-sweetened beverage consumption to higher triglyceride levels in youth and identified potential mechanisms behind this association.
Scientists at NREL have developed a tin-lead perovskite cell with a 25.5% efficiency, outperforming previous records by several hundred hours. The new cell uses additives to improve carrier lifetime and reduce defect density, leading to enhanced stability and voltage generation.
Researchers developed an evidence-based app to support caregivers in managing complex medication regimens for individuals with dementia. The Helping the Helpers app leverages virtual component and participatory co-design with caregivers to address significant caregiver burden, stress, and potential mistakes.
A new study from Ohio State University found that DNA nanotechnology is safe for medical use in mice, with a dose-dependent immune response. The research suggests that different shapes of nanostructures may be more conducive to different therapeutic applications.
A new study from Carnegie Mellon University found that tweeting about an open-source project on GitHub increases its popularity by 7% and attracts more contributors. The researchers also identified characteristics of high-impact tweets and the type of people likely attracted to a project by Twitter posts.
A WHO-sponsored series of articles presents biodiversity data on vectors of human disease, providing information to aid in the battle against prevalent diseases. The collection and sharing of data through platforms like GBIF.org are crucial for tracking and assessing species, particularly in geographic gaps.
PCORI announces up to $63M for studies on reducing maternal health inequities and $50M for telehealth in managing multiple chronic conditions. The Strategic Plan guides future funding, stakeholder engagement, and infrastructure investments.
A study published in PLOS Global Public Health found that patients in Tanzania faced barriers to accessing rehabilitative care following an injury, including difficulty finding transportation or childcare. The research highlights the need for improved patient education and increased access to outpatient services.
Researchers at the University of Oklahoma found that climate warming reduces microbial diversity in grassland soil, essential for ecosystem functioning. The long-term experiment revealed significant negative effects of climate change on soil biodiversity, with warming playing a predominant role.
The COVID-19 pandemic caused a substantial disruption to cancer clinical trials in the US, with a 46% decrease in new patient accruals and a 24% decrease in newly activated trials between March and May 2020. However, both patient accruals and trial activations have gradually recovered since then.
A targeted radionuclide alpha therapy called 225Ac-DOTATATE has shown promising survival rates and an acceptable toxicity profile in patients with advanced-stage gastroenteropancreatic neuroendocrine tumors. Minimal toxicities were noted after treatment.
A UCI-led study reveals that prolonged exposure to low levels of radon gas increases the risk of lung cancer, particularly among young adults. The research highlights the need for enhanced protection measures in various workplaces and residential settings.
Researchers at North Carolina State University designed new fire shelter prototypes to protect firefighters trapped in wildfires. The shelters showed improved thermal performance and longer survival times compared to the current industry standard, with temperatures remaining within survival limits for up to 60 seconds.
Researchers discovered that uncontrolled diabetes increases heart failure risk by 1.5 to 1.8 times in preclinical stages A and B. Early diabetes control can prevent progression to overt heart failure, suggesting a potential lifesaving strategy.
A recent study by Indiana University researchers found that the structure of DNA storage in archaea affects its evolution rate. The study discovered that compacted DNA compartments change at a faster rate than less compacted ones. This discovery has potential impacts on research on genetic diseases like cancer.
Current guidelines for salvage radiation treatments in patients with local recurrence of prostate cancer should be updated to consider information from PSMA PET imaging. PSMA PET is effective in identifying recurrences partially or fully outside the clinical target volume, suggesting its value for therapy planning.
A University of Central Florida researcher has been awarded $800,000 by the US Department of Energy to investigate elusive chemical compounds known as Criegee intermediates. The research aims to develop more efficient low emission fuel architectures and engine technologies to reduce combustion's impact on the environment.
A Georgia Tech researcher argues that AI cannot replace human strategy and judgment in warfare, citing the unpredictable nature of war and the need for human sense-making and moral decision-making. The research highlights the importance of human intervention in making tactical and strategic decisions.
Researchers identified specific genetic signals in people with severe coronavirus infection using machine learning. They found that more than 1,000 genes linked to the development of severe COVID-19 cases account for three-quarters of the genetic drivers for severe illness.
Scientists found evidence of a vertebrate spiracle originating from fish gills in ancient Chinese fossils. The discovery sheds light on the evolution of the human middle ear and how it adapted to transport sound vibrations into the inner ear.
A team of scientists has discovered a novel magnetotactic bacterium that forms intracellular amorphous silica globules. This finding suggests a previously unobserved influence on the global silicon cycle during early Earth history, expanding our knowledge of prokaryotic biosilicification.
Researchers analyzed 139 patient blood samples to identify common mechanisms underlying COVID-19 recovery. They found that a gradual reduction in neutrophil counts and changes in molecular regulation of the immune system characterize the recovery process.
A new study reveals that a high proportion of posts on #mediterraneandiet are confusing and inaccurate, with only 53% of posters listing health credentials. The study emphasizes the need for strategies to communicate about nutrition and counter misinformation online.
Researchers have developed an AI-powered approach to calculate molecular spectra using Graph Neural Networks (GNNs), significantly reducing computation time and improving accuracy. The SchNet model achieved a 20% increase in accuracy while reducing computational time, enabling the analysis of complex molecules like quantum dots.
A new study found that children attending center-based childcare between 1 and 4 years old had a lower body mass index (BMI) and were less likely to be overweight or obese in later childhood. The associations were stronger for children from lower-income families.
Researchers found that healthy choices, such as no smoking, high leisure-time exercise, and adequate sleep, are associated with a reduced risk of Alzheimer's disease. Additionally, intakes of certain polyphenols, commonly found in tea and other foods, may also play a role in protecting brain health among Black participants.
Researchers discovered mistletoe viscin can be stretched into thin films or assembled into 3D structures, showing its potential as a wound sealant or skin covering. The material's reversible adhesive qualities make it highly versatile for diverse applications.
Researchers aim to understand how HIV affects cardiovascular health and the impact of substance use on this relationship. They plan to develop a human bone marrow chip model to study HIV pathogenesis and explore potential strategies for caring people with HIV who face cardiovascular disease.
Research at Al-Hijr Archaeological Site reveals local stakeholder perspectives on embryonic tourism development, highlighting concerns over cultural erosion and unsustainable growth. The study recommends introducing two-way communication platforms to address these concerns and mitigate potential impacts on communities.
Researchers observed a periodic rocky near-Sun comet, 323P/SOHO, breaking apart due to intense radiation from the Sun. This process, known as thermal fracturing, may explain why there are few such comets in our Solar System.
Researchers identified 42 independent virus lineages that arrived in Finland in spring 2020, with four causing two-thirds of the entire epidemic. Most infections were not transmitted further, indicating that early travel restrictions and preventive measures can delay widespread transmission.
A new study found that US teens born elsewhere eat healthier than US-born teens, but diet worsens over time. The analysis showed that being born outside the US and living in the US for less time were associated with higher diet quality.
The latest publication from the Golden Retriever Lifetime Study reviews current demographics and health parameters, including cancer diagnoses and deaths. The study has obtained 223 of its desired primary endpoints, with hemangiosarcoma being the most common cancer.
Astronomers using ALMA have imaged the debris disk of HD 53143, revealing its highly eccentric structure. The discovery provides valuable insights into planetary formation and evolution, suggesting that gravitational perturbations from planets may shape disk morphology.
A detailed understanding of interleukin 2's role in the immune system has been gained through a new mouse model, enabling scientists to identify potential new uses as an immune-modulating biologic drug. This breakthrough may lead to optimized autoimmune and cancer treatment while avoiding unwanted side effects.
A new study by Carnegie Mellon University found that parenting styles are a strong indicator for how people think about social issues, including education and elder care. The results suggest that helicopter parents tend to prefer paternalistic political policies, while free-range parents tend to lean towards autonomy.
A study published in Nature Climate Change reveals that companies purchasing renewable energy certificates (RECs) are overstating their climate mitigation claims. The researchers found that firms reported a 31% reduction in emissions, but the actual drop was only 10%, three times lower.
A study reveals that valproic acid induces cellular senescence in neuroepithelial cells, leading to developmental defects such as spina bifida, facial alterations, and Autism Spectrum Disorder. The researchers found that a specific molecule, p19Arf, is responsible for this effect.
A new study found that only a small percentage of U.S. adults can accurately assess the healthfulness of their diet, with most adults overrating their diet's quality. Accuracy was highest among those who rated their diet as poor, with researcher scores matching participant ratings 97% of the time.
Researchers have developed a new probe to detect Alzheimer's disease biomarkers using near-infrared fluorescence, which may help diagnose the disease early and prevent its progression. The probe binds oligomeric Aβ proteins, a hallmark of Alzheimer's disease, offering a potential alternative to existing treatments.
A U-shaped pattern of sleep duration across life stages was found, with age 40 being the lowest point and efficiency stabilizing from ages 30 to 60. Study participants wore accelerometers for seven consecutive days, providing an objective measure of sleep time.
The American Gastroenterological Association has released a series of evidence-based position statements guiding the creation of a national colorectal cancer screening approach. The goal is to eliminate barriers and reduce mortality by ensuring equitable access to CRC screening programs for all individuals.
Ten early-career scientists from Argentina, Brazil, and Uruguay will receive grants to advance their research by working in US labs. The recipients include Ph.D. students and postdoctoral fellows who will collaborate with renowned researchers in various fields of biomedical research.
Researchers have discovered an alternative route that pluripotent and endoderm extra-embryonic stem cells can use to form intestinal organs in the lab. This finding could lead to improved cell development and potentially treat diseases, but further function testing is needed.
A new processing technique could make potatoes healthier by slowing starch digestion and reducing blood sugar spikes. The approach blocks certain digestive enzymes from reaching potato starch as quickly, leading to a more controlled release of dietary glucose.
Researchers have developed a molecule that uses nanotechnology, chemotherapy and a monoclonal antibody to target glioblastoma multiforme, the most aggressive type of brain cancer. The treatment showed promise in isolated cells and animal models, with significant reductions in tumor volume and no increased toxicity.
A new study found that growth hormone reduces liver fat and inflammation in patients with nonalcoholic fatty liver disease, improving liver function tests and markers of inflammation. The study showed significant improvements in liver health after administering growth hormone to 41 participants for 6 months.
A University of Jyväskylä study found that menopausal women's ability to use fat as an energy source is not impaired by estrogen levels or menopause. Women who burned more fat during exercise had higher fitness and physical activity levels, while those with better glucose tolerance did not necessarily burn more fat.
Research led by Texas A&M AgriLife scientist Shaodong Guo found that estrogen protects female mice from cardiomyopathy and death, reversing the effects of insulin resistance. The study suggests that estrogen replacement therapy may be a feasible treatment option for diabetic cardiomyopathy.
A new study found that consuming more ultraprocessed foods is associated with poorer locomotor skills and lower cardiovascular fitness in children. The research suggests that educating families about cost-effective ways to reduce ultraprocessed food intake can help decrease the risk for cardiovascular health problems in adulthood.
Researchers have identified lung-infiltrating monocytes as the key immune cells driving COVID-19's inflammatory complications. The study suggests that targeting these cells with remdesivir and baricitinib can enhance antiviral signaling and viral clearance, potentially improving patient outcomes.
A nationwide large-scale study confirms the safety and feasibility of NOSES for CRC, with a low postoperative complication rate and good long-term oncological outcomes. NOSES also presents advantages in postoperative recovery, such as earlier flatus time and shorter hospital stay compared to traditional colon surgery.
A new PET imaging agent, <sup>68</sup> Ga-FAPI-46, has been shown to predict the severity of cardiac remodeling after a heart attack by identifying active fibrosis. This biomarker has potential to aid in diagnosis and treatment selection for patients with heart failure.
A team of researchers has determined the cryo-electron microscopy structures of three NPY receptors in complex with the peptide ligand and Gi protein. The study reveals interaction details between different NPY receptors and the peptide, highlighting distinct conformations upon binding to each receptor. This understanding is crucial fo...
A Mayo Clinic study found that Paxlovid treatment benefited almost all high-risk COVID-19 patients, with only a handful experiencing mild rebound symptoms. Researchers suggest comorbidities and secondary immune responses may be factors behind the rare rebound phenomenon.
Researchers using ALMA have observed significant cold gas in the outer regions of A1689-zD1, a young, active star-forming galaxy. The findings suggest that early galaxies like A1689-zD1 may be larger and more complex than previously believed.
A team of scientists from the University of Bristol has identified a host cell pathway hijacked by SARS-CoV-2, allowing it to penetrate human cells. The study found that removing a protein complex called ESCPE-1 blocks COVID-19 infection by around 50%.
The study found that uterine transplantation is an effective method to remedy infertility, with a clinical pregnancy rate of 33% and cumulative live birth rate exceeding expectations. The procedure also showed positive health outcomes, including improved quality of life and low rates of anxiety and depression.
Researchers at Case Western Reserve University developed an AI tool that analyzes routine tissue biopsy images to predict response to immunotherapy in lung and gynecologic cancers. The study found that the AI consistently predicted clinical outcomes, including survival, for three common immunotherapies.
Researchers have discovered a new molecular treatment effective against low-flow vascular malformations using the AKT inhibitor miransertib. The study also found that active angiogenesis is needed for malformations to occur, opening the door to preventive strategies.
A California skilled nursing facility improved hand hygiene rates, increased PPE compliance, and reduced catheter-associated urinary tract infections by hiring a dedicated infection preventionist. The team's results demonstrate the value of having a full-time IP to implement best practices and train staff.
A newly developed small-molecular radiopharmaceutical pair has successfully visualized and treated melanoma in a preclinical study. The theranostic approach targets metabotropic glutamate receptor 1 (GRM1) found in many human solid tumors.
A new HIFU treatment approach, MR-guided focused ultrasound (MRgFUS), effectively controlled disease in patients with intermediate-risk prostate cancer, reducing adverse side effects. The procedure is less invasive, taking about two hours, and results in minimal recovery time.
Researchers investigated how COVID-19 affected breastfeeding practices, finding some mothers experienced improved bonding with their babies during stay-at-home orders. Food insecurity was linked to higher diabetes distress among adults with pre-diabetes or diabetes. The studies also found that technology access was crucial for older ad...
A new study found that conventional methods for calculating flood risk underestimate frequencies, especially at the 100-year flood, due to neglecting unique roles of each flood type. Researchers from DRI, University of Wisconsin-Madison, and Colorado State University investigated historic floods in 308 watersheds.
The Chang'E-5 team found hydroxyl signals in lunar rocks and soil, indicating the presence of indigenous water on the Moon's surface. The bulk of this water is contained in apatite minerals, suggesting a lunar origin.
Researchers studied Australian native bee Amphylaeus morosus, finding it exhibits extreme reproductive skew and high relatedness, which challenges theories on social complexity. The study provides evidence that kin selection can promote worker sterility at the initial transition to social living.
Researchers have found a negative correlation between Helicobacter pylori infection and inflammatory bowel disease (IBD) prevalence, suggesting the bacterium may protect against IBD. This is supported by studies showing improved gut microbiota diversity and increased abundance of beneficial bacteria in H. pylori-infected individuals.
A new study found that most severely injured North Atlantic right whales die within three years, with severe injuries increasing their mortality rate. The study also revealed a worrisome trend in females, including lower birth rates and longer intervals between calving.
Scientists have found that axisymmetric 'spike waves' can exceed previously thought limits on ocean wave height, leading to significant implications for maritime safety. The new research revealed the fundamental mechanisms behind highly directional and crossing waves becoming much larger than others.
Despite widespread concern, most research on Covid-19 and its impact on mental health found no significant increase in suicide rates globally. In low- and middle-income countries, some studies even reported a decrease in rates of suicide and self-harm following the pandemic.
A new study by an international group of researchers has found substantial reductions in grey matter in people with anorexia nervosa, a condition characterized by severe food restriction and low body weight. Early intervention and treatment can help the brain repair itself, according to the research team led by Dr. Paul M. Thompson.
A study of over 800,000 people found that young, non-Hispanic Black males and middle-aged Black females were at the highest risk of food insecurity. Households with more children and those with lower education and income also experienced increased food insecurity.
A new study finds that Florida panthers are the primary cause of white-tailed deer mortality in Southwest Florida, with 96 deer killed by the big cats. Habitat changes and population shifts pose challenges for sustainable hunting opportunities, highlighting the need for further research.
Researchers at UT Austin discovered a rule connecting channel belts to river patterns, finding that channels in ancient rivers lead to narrower belts. Multichannel rivers take up more space on the belt and are closer to the floodplain, influencing landscape shaping.
Researchers at Stanford University have created millirobots that can precisely target specific areas of the body with medicines. These tiny robots, powered by magnetic fields, can navigate through narrow spaces and dispense medicine in real-time.
The COVID-19 pandemic is difficult to control in Africa due to limited household infrastructure, including shared drinking water and toilets. A new study found that even within countries, there are significant regional differences in infrastructure availability.
Researchers have categorized convergent plate margins into three stages based on geometric structure, dynamic regime, and thermal state. The transformation from subduction zones to rifting zones involves two steps: lithospheric thinning and asthenospheric upwelling.
A recent study found that certain bacteria species in the gut are associated with a higher risk of colorectal cancer in younger populations. The research suggests that dietary patterns high in processed meats, low-calorie drinks, and liquor may contribute to this increased risk.
Illinois Tech philosopher J.D. Trout argues that journalists should prioritize settled science and dismiss 'alternative facts' as cons. He suggests that reporters should not engage with disputed claims when the scientific consensus is clear, and instead promote epistemic humility and respect for expert knowledge.
A new double-layered catalyst, combining platinum with NiFe hydroxide, was developed to enhance hydrogen generation efficiency. The catalyst's activity is 11.2 times higher than conventional materials, making it a promising solution for increasing green hydrogen production.
A research team from Tokyo University of Science has developed a new method to create copolymers with different metal species, which have potential uses in catalysis and drug discovery. The technique allows for controlling the composition of metal species in the resulting polymer.