Researchers found tree growth not source-limited but rather by cell growth, suggesting forests may not absorb as much carbon as thought. The study's findings challenge current forest growth models and highlight the need for climate change mitigation strategies.
A new study finds that having three or more children is negatively correlated with late-life cognition, with the effect strongest in Northern Europe. The researchers suggest that this may be due to financial stress and reduced social interaction, leading to potential cognitive deterioration.
A recent study found that boosting the pink pigeon's numbers is not sufficient to prevent its extinction in the future. The species has a high genetic load of bad mutations, which puts it at risk of collapse if conservation efforts do not continue.
The Center of BioModular Multi-Scale Systems for Precision Medicine develops rapid next-generation tests for human ailments like cancer and COVID-19 using saliva, urine, or blood samples. The technology has already helped patients through commercial partnerships with private firms.
A new study provides recommendations for behavioral weight loss interventions to address the unmet needs of Black people with obesity. The research emphasizes the importance of enhancing recruitment and retention of Black men and women in behavioral weight loss intervention studies, as well as combining policy with behavioral changes.
A study published in the American Journal of Infection Control found that interprofessional teams implementing evidence-based infection-prevention interventions can significantly reduce hospital-onset C. difficile infections. The team's selected interventions included diagnostic stewardship, enhanced environmental cleaning, and educati...
Academic researchers will present newest discoveries on redox in aging, immunity, ocular disorders, and fertility. The conference highlights the mechanisms of redox control like Nrf2 signaling pathway.
Patients who experienced severe systemic inflammation during hospitalization for Covid-19 have a higher risk of dying within one year after seemingly recovering. Prescription of steroids upon discharge from hospital significantly reduces this risk, with effects seen even in the most severe cases.
A Kyoto University study has discovered that c-type natriuretic peptide facilitates intracellular calcium signaling in chondrocytes to stimulate long bone growth. This finding may lead to the development of new bone growth-stimulating agents for treating developmental disorders.
A recent study analyzed a large database of bladder cancer patients and found that fewer than half had been tested for the relevant gene mutation or received erdafitinib treatment, despite its proven efficacy. The research highlights significant barriers to treatment, including obstacles in testing and education for healthcare providers.
A new analysis found that while the number of emergency physician residency programs is increasing, they are disproportionately located in urban areas, rather than rural communities. This can exacerbate workforce challenges and shortages in rural areas, with many states lacking emergency medicine residency programs.
A new study suggests that large-scale ocean sanctuaries can help protect coral reefs from the effects of climate change. The research advocates for international collaboration to establish mesoscale sanctuaries across national boundaries to conserve these critical ecosystems.
This case series examined changes in buprenorphine prescribing waivers during COVID-19. The number of clinicians receiving waivers increased significantly before and during the pandemic, indicating a growing need for expanded access to opioid treatment.
The American Journal of Roentgenology has published best practices for managing an iodinated contrast media (ICM) shortage in radiology practices. To mitigate the shortage, practice leaders should prioritize examination findings and reduce overall ICM usage.
A team of University of Illinois researchers, led by Charles Gammie, has captured the first direct visual evidence of a supermassive black hole at the center of the Milky Way. The image reveals a dark central region surrounded by a bright ringlike structure, providing valuable clues about the workings of such giants.
A recent study published in PeerJ found that excessive sports training can lead to lower mood states and reduced heart rate variability. The research, conducted on amateur road cyclists, suggests that monitoring training intensity and recovery is essential for athletes' well-being.
A new study by University of Nevada, Reno and Desert Research Institute found that three factors – available winter snowfall, snow melt speed, and melting timing – impact critical water supplies. The research team developed a simple framework to help water managers predict timing and amount of streamflow as climate change accelerates.
The Rice-Waseda team created a computer simulation model that can accurately depict the complex aerodynamics around a moving car and its rolling tires. The model uses NURBS Surface-to-Volume Guided Mesh Generation method, which enables it to capture the deformation of tires as they roll on the road.
The January 2022 volcanic eruption of Hunga Tonga-Hunga Ha‘apai was one of the most powerful recorded, generating long-range infrasounds and global tsunamis. An unexpected atmospheric wave contributed to the tsunami 'forerunner,' arriving earlier than expected.
A new study found that current forest carbon sequestration models may be overestimating the ability of forests to store atmospheric carbon. The findings highlight the importance of considering processes other than photosynthesis for estimating carbon sequestration, such as temperature, water, and nutrient availability.
Research published in Science of the Total Environment found that adopting low-carbon fuels could reduce racial disparities in exposure to fine and ultrafine particle pollution by 20-40% in California by 2050. This would lead to improved air quality, reduced deaths, and estimated annual public health benefits of $20 billion.
The first farmers emerged from a population admixed between hunter-gatherers from Europe and the Near East, with a mixing process starting around 14,000 years ago. Genetic data from prehistoric skeletons were analyzed using novel demographic modeling techniques to reveal complex population dynamics.
Researchers suggest open innovation framework to facilitate collaboration among delivery platforms, workers, and consumers. Key findings highlight differences in labor protections and regulations across countries, with the UK offering more robust protections for delivery workers.
Researchers have created a massive single-cell atlas across human tissues, pinpointing specific cell types involved in multiple diseases. The study uses machine learning methods to query the resulting map, enabling comparisons across tissues and cells from frozen tissue.
Researchers at Scripps Research Institute have synthesized GB18, a psychotropic compound found in the bark of the Galbulimima belgraveana tree. The compound binds to opioid receptors in the brain, potentially offering new hope for treating depression and anxiety. Further studies are needed to adapt it for human use.
A team of scientists used a quantum simulator to study the behavior of a complex quantum system, finding that it exhibits characteristics similar to fluid dynamics. The research also showed that this phenomenon can be observed in the flights of bees, as well as in unusual stock market movements.
Researcher Jundong Li aims to improve machine recommendations and predictions based on cause and effect. He develops a suite of algorithms and mathematical models informed by human experience and intuition to find cause-and-effect relationships in big data.
Researchers from Michigan State University find that importing food from high-income countries can benefit biodiversity in low-income countries. The study suggests that incorporating costs to biodiversity into food prices could help mitigate negative impacts on the environment.
New study finds tree branches move downward up to 20 cm at night as leaves and branches replenish water storage. This phenomenon has practical applications, including monitoring plant water status in greenhouses to automate watering regimes.
A Colorado State University-led study found greater natural gas leak densities in communities with low-income or majority non-white populations compared to predominantly white neighborhoods. The research highlights the need for improved equity in gas distribution systems to enhance health and safety outcomes.
A study by researchers from the University of Chicago reveals that maternal octopuses undergo a massive shift in cholesterol metabolism, resulting in dramatic changes in steroid hormones produced. This phenomenon is linked to a life cycle process and has serious consequences on longevity and behavior across different animals.
A new study reveals that dragonflies employ wing pitch asymmetry and visual signals to execute their adept aerial acrobatics. The research provides insights into the neurological and physical mechanisms underlying dragonfly flight control, shedding light on the evolution of flight strategies.
A new study by the American Cancer Society found that Puff Bar e-cigarette brand's shopping interest skyrocketed in 2020, peaking in March of that year. The finding highlights the need for continued surveillance of this product to prevent future public health threats.
Researchers at Massachusetts General Hospital have developed a series of animal models to test nonsurgical drug treatments for congenital giant nevi, which can cause large and permanent scars. The studies found that some treatments led to significant nevus regressions and even prevented skin cancer formation.
A study on tiger shark teeth reveals gradual and subtle changes in tooth shape during the shark's life, with younger sharks having simpler serrations. The study also describes the first comprehensive description of tiger shark embryos' teeth, which form in the womb without serrations and are swallowed before birth.
A new concept suggests that a novel molecular species composed of RNA and peptides emerged, setting the stage for complex life forms. This RNA-peptide world idea resolves the chicken-and-egg problem by creating a foundation for life's origin.
Researchers have developed a glucose fuel cell that converts glucose into electricity, generating 43 microwatts per square centimeter. The device is resilient, able to withstand temperatures up to 600 degrees Celsius, making it suitable for medical implants.
Patients with stage II/III esophageal cancer who received delayed surgery had a relative survival rate that was almost half that of patients who underwent early surgery. Early-stage cancer patients did not experience significant differences in survival rates between those who received immediate versus delayed surgery.
Elham Azizi, a computational biologist at Columbia University, has received a $500,030 NSF CAREER Award to develop new computational methods for analyzing the interactions between immune cells and breast cancer. Her goal is to improve personalized cancer treatments by understanding how aggressive tumors evade the body's immune defenses.
A University of Alberta research team has rewritten the biology of lichen, a textbook case of symbiosis. The study found that lichens do not use sugars produced by algae for growth, but instead store them to preserve cellular content when dry.
A new AI-based localization technique enhances photoacoustic imaging speed and spatial resolution, reducing laser exposure and imaging time. The technology offers a solution for preclinical and clinical applications requiring fast and fine spatial resolution.
A study published in Current Biology observed toddlers with autism achieving joint attention during toy play with parents at typical levels. Children with autism also used hand-following cues to follow their parent's attention into joint attention.
Researchers discovered a strong link between subjective cognitive impairments and elevated beta-amyloid protein levels, indicating early-stage Alzheimer's disease. The study suggests that combining these two factors can help identify individuals at risk for developing dementia.
A new study finds that workplaces with a larger share of men experience higher rates of sexual harassment, leading to women leaving for jobs with lower wages. Women are nearly six times more likely than men to be victims of harassment in male-dominated workplaces.
A significant proportion of patients with head and neck squamous cell carcinoma who smoke daily at diagnosis continue to smoke two years post-treatment. Most quitters stop smoking within the first six months after treatment.
A new mathematical theory explains how cells navigate the risk-speed tradeoff when dividing, balancing risk and speed to ensure survival. The theory applies broadly to all organisms, despite differences between yeast and mammalian cells.
Researchers developed an algorithm to identify users' basic needs from their Instagram posts, images, and captions. The study analyzed 86 profiles in Spanish and Persian, achieving promising accuracy and complementary information between visual and textual cues.
Researchers have demonstrated that ultra-thin topological insulator nanowires can act as a quantum one-way street for electrons, offering a significant step towards achieving topological qubits. This breakthrough enables highly stable qubits, the building blocks of future quantum computers.
Researchers at Texas A&M AgriLife have identified a novel species of pathogenic bacteria in onions, which can significantly impact marketable yield and quality. The discovery provides crucial information about the distribution and potential disease outbreaks of this newly documented pathogen, Pseudomonas uvaldensis sp. nov.
Researchers found that MS patients treated with Rituximab who have higher B cell counts of 40/µL or more develop protective levels of antibodies after vaccination. This suggests that measuring B cell level before vaccination is crucial for increasing the chance of a positive response.
Researchers at the University of Tokyo have created a fast and efficient method for purifying saltwater using fluorine-based nanostructures. The new technology outperforms existing desalination methods, requiring less pressure, energy, and time to produce clean water.
A novel network analysis technology can pinpoint seizure originating brain regions and predict a patient's seizure outcome before surgery, using only 10 minutes of resting state recordings.
Researchers developed a data-driven robotic experiment system to identify electrolyte materials with desirable properties. They discovered a multi-component electrolyte that enhances the cycle life of lithium–air batteries, accelerating the development of next-generation rechargeable batteries.
Research finds that individuals anticipate more negative judgement from outside social groups and self-categorize their food choices accordingly. Healthy food options are chosen to counteract this anticipated judgment.
Researchers developed a self-alignment attention-guided deep learning architecture to improve resolution and speed in label-free nonlinear optical microscopes. The technique achieved high-quality reconstruction with significant speed-ups and spatial resolution enhancements.
Researchers created multi-tissue cell atlases to transform our knowledge of biology, infection, and disease. The studies revealed novel cell functions, immune cell types, and disease genes across the human body.
Researchers found that 85% of the eastern Antarctic Peninsula's ice shelf perimeter has advanced since the early 2000s, linked to decade-scale changes in atmospheric circulation. The advance is due to more sea ice being carried to the coast by wind, which stabilises ice shelves.
Researchers have identified efficient technologies to remove endocrine disruptors from wastewater, including ozonation and adsorption with activated carbon. These methods can be added to existing treatment plants, improving performance without major changes.
A new study from Tel Aviv University finds that women aged 55 and over who snore are at significant risk for sleep apnea, which can be fatal. The researchers warn that the phenomenon often occurs during sleep, causing women to be unaware of their condition.
A study published by Mayo Clinic Cancer Center investigates the reasons for decreasing remission rates for patients with non-Hodgkin lymphoma treated with CAR-T cell therapy. The team found that a gene called TIGIT drives CAR-T cell exhaustion and dysfunction, suggesting its blocking strategy may improve treatment efficacy.