A new study by The Morton Arboretum reveals that oaks rapidly diversified in the Americas when they encountered high-elevation terrain, forming a unique biodiversity hotspot. This is supported by data from 322 of the world's approximately 450 oak species, with Mexico and Central America home to at least 160 different oaks.
Gerald Joyce's election to the American Philosophical Society honors his pioneering work in directed evolution and foundational questions about life and molecules. He has made significant contributions to cancer, asthma, and skin diseases through his research on DNA enzymes.
Researchers found that different angles of flight affect the vortices behind cones in flight, causing uneven swirling flows and rotational forces. The study helps engineers create efficient and stable designs for high-performance aircraft.
Researchers analyzed 13 years of federal data on Medicare Advantage enforcement actions, finding that CMS rarely used severe tools like contract terminations or suspensions. Instead, they relied on small fines, which may do little to change behavior and disproportionately affect vulnerable populations.
Researchers discovered that plants use a surprising multi-layered system to regulate salicylic acid levels and keep their immune system in check. This system involves enzymes that break down the hormone, which are then flagged for elimination, limiting how much salicylic acid they can destroy.
Researchers are using eye-tracking technology at MSU-Meridian to study how students process and respond in high-pressure training scenarios, helping design the next generation of medical training tools. The project aims to identify key gaps in student performance and improve clinical outcomes by comparing data with clinical professionals.
Researchers found that dopamine signaling at event boundaries can distort time perception, making memories of distinct events feel more separate. This process allows the brain to construct a more organized format for memory retrieval.
Dr. Jonathan H. Whiteson has been appointed as the new chair of Rusk Rehabilitation at NYU Langone Health, aiming to enhance rehabilitation care and services across the institution. He plans to focus on growth in oncology rehabilitation, frailty prevention, healthy aging, and emerging technologies like AI and remote patient monitoring.
Researchers developed a new photonic material using lead iodide, enabling high-speed data transmission in the terahertz frequency range. The material confines light within submicrometer regions, paving the way for integrated photonic circuits that could replace or complement electronic circuits.
A human study found that prenatal and childhood exposure to persistent environmental chemicals may influence sperm chromosomal integrity decades later. Higher levels of PCBs and PFASs were associated with extra chromosomes in adulthood, increasing the risk of miscarriages and congenital birth defects.
A multi-institutional team led by Sanford Burnham Prebys aims to develop a non-opioid pain therapeutic using lead molecule SBI-810. The effort, funded by a $3.9 million NIH grant, seeks to optimize the compound into a drug that could provide effective pain relief without addiction risks.
Scientists discover atmospheric connection between African dust aerosols and Amazonian nutrient cycles. Researchers use daily black carbon measurements and global meteorological data to investigate variability of atmospheric cleanliness in the Amazon.
A randomized controlled trial found that a 1 L PEG-ascorbate regimen provided effective and high-quality bowel cleansing, while being associated with a greater willingness to repeat the regimen compared to 2 L and 4 L PEG regimens. The findings support adopting a low-volume regimen to improve completion rates and patient tolerability.
A new study provides groundbreaking information about the social structures of primates, revealing that single-level societies are more like soccer leagues with exclusive teams competing for resources. Multi-level societies, on the other hand, resemble schools with students divided into classes but interacting regularly.
The new AI model uses genetic mutation patterns to trace ancestral relationships between species, including humans and mosquitoes. The tool can predict when gene pairs last shared a common ancestor and is faster than traditional statistical methods.
A recent study found that risk perceptions of e-cigarettes rose sharply during and after the EVALI outbreak, lingering even after scientists identified the cause. This shift in perception was more pronounced among non-white participants, potentially exacerbating existing health disparities.
A new study demonstrates that animal-borne sensors, such as those on tagged sharks, can enhance ocean forecast accuracy in regions with limited observational data. By incorporating shark-collected temperature and depth data into a seasonal climate model, forecast errors decreased substantially, particularly in coastal and shelf regions.
A new study by University of Mississippi researchers finds significant shortages in adult day services across the state, leaving thousands without daily support. The state would need an additional 910 centers to meet demand, with funding being a primary cause of shortages.
A national survey found that millions of US adults have microdosed substances like cannabis, psilocybin, LSD, and MDMA, with cannabis being the most commonly microdosed. The study also revealed patterns tied to mental health and policy environments, suggesting that changes in drug policy may influence access to these substances.
Scientists have discovered a protective brain pathway that preserves dopamine-producing neurons and reduces degeneration in female models with Parkinson's disease. The study suggests that strengthening this pathway could help slow the progression of the disease, offering new potential for treatment.
A new algorithm called MEERKAT reduces the amount of data shared between large language models, boosting performance and reducing power consumption. By sharing only 0.1% of the model's parameters, MEERKAT shrinks communications by over 1000 times.
Hongbo Chi's election recognizes his pioneering work in immunometabolism and its impact on next-generation cancer immunotherapies. He continues to contribute to St. Jude's mission-driven institution, advancing fundamental science and meaningful impact.
A new study reveals that facial itch sensations differ from those on the body due to distinct trigeminal and spinal pain pathways. The researchers found a functional divergence in neuropeptide signaling and central circuit engagement between the two systems, which was independent of peripheral innervation density.
A new study from Rice University finds that using GLP-1 medications can lead to social judgment, even among those who have lost significant weight. Participants rated individuals who used GLP-1 more negatively than those who lost weight through diet and exercise or did not lose weight at all.
The ASPIRE trial aims to enroll 1,200 participants with advanced prostate cancer and assess the impact of chemotherapy on overall survival and disease progression. Genetic profiling is included to identify patients who benefit most from intensified treatment.
Researchers at UC Santa Cruz are using eDNA to create a comprehensive biodiversity assessment tool, adding a broad biodiversity assessment to statewide management of freshwater ecosystems. The project aims to provide faster monitoring and a clearer picture of stream health across California's diverse watersheds.
A new study published in Eye and Vision finds that one drop of low-dose atropine can produce daylong effects in managing myopia. The researchers found that the drop showed clear changes in pupil size and focusing ability, but no short-term structural effects on the eye.
A study by Kelsie Forbush and colleagues used Hierarchical Taxonomy of Psychopathology to better understand how psychological conditions like depression, anxiety, and post-traumatic stress disorder are connected. The findings suggest that HiTOP's symptom dimensions may support more precise, personalized mental health care.
Researchers discovered that simple artificial intelligence tools can bypass security techniques meant to protect authentic content from use in deepfakes and facial identity theft. The study found that attackers can easily defeat existing image protection using off-the-shelf AI models and simple commands.
A National Institutes of Health grant supports Mary Elizabeth Baugh's research into how metabolic health influences brain systems that shape eating behaviors. The study aims to understand the interactions between metabolic signals and brain circuits engaged in everyday learning and eating behavior.
Researchers at McGill University found that moderate UV light exposure enhances vitamin D₂ levels in edible mushrooms without compromising quality attributes. The study provides standardized guidance for industry to follow, highlighting a clear gap in species-specific and unified UV treatment guidelines.
A recent study shows that people with newly diagnosed type 2 diabetes have elevated glucagon levels following a meal, closely linked to the fat content of their liver. This finding highlights the importance of the liver and glucagon regulation in metabolism.
A new study projects that climate change will drive rodent-borne arenaviruses into new regions of South America, posing a future threat to millions of people. The researchers built an interactive platform to understand the complex relationships between climate, land use, and human exposure.
A recent study found that people provide less detailed medical information when communicating with AI chatbots compared to human doctors. This lack of detail can result in incorrect medical advice and lower the quality of diagnosis. The study suggests that intelligent design of user interfaces and actively requesting missing details ma...
Researchers discovered brown adipose tissue protects against atherosclerosis and inflammation in humans with obesity, showing lower arterial inflammation and healthier blood profiles. Higher brown fat activity correlates with reduced vascular inflammation and improved cardiovascular health.
Andrea H. Brand, a NYU Grossman School of Medicine professor, was elected for her research on nervous system development and gene regulation. Eero P. Simoncelli, a Center for Neural Science director, was recognized for his work on brain representation and sensory processing in humans and machines.
A recent study found that positive psychology interventions such as mindfulness and gratitude journaling can consistently improve blood pressure and inflammation markers within weeks. The researchers suggested that ongoing reinforcements are necessary to stay on course for long-term benefits.
Researchers from UNIGE and KIT found that traditional numerical models remain more reliable for predicting extreme phenomena than AI-based forecasts. The study highlights the limitations of AI weather models in extrapolating beyond their training domain, making them less effective for record-breaking events.
A new study by Boston University School of Social Work highlights the daily struggles faced by older homeless women, including managing health conditions and fighting to maintain dignity in dehumanizing shelter environments. The research found that these women often experience accelerated aging due to poor nutrition and harsh living co...
A randomized control study found that kids in the Big Brothers Big Sisters program reported lower rates of violent behavior, substance use, and depressive symptoms compared to non-participants. The program also improved their self-esteem and overall mental health.
A new human-computer interaction method, RemoteCollabEval (RCE), has been developed to identify barriers to collaboration and inclusivity in remote collaboration software. RCE uses personas to simulate interpersonal friction and uncover 'inclusivity bugs' that may go unnoticed during standard testing.
A study published in Cell Reports Medicine found that inhibiting RNase H2 can cause significant damage to DNA and activate the innate immune system to produce signals that attract T cells to attack the tumor. This approach could lead to improved patient outcomes for patients with triple-negative breast cancer.
A study found that HSP90B1 upregulates in gliomas and correlates with poor prognosis and tumor malignancy. It enhances tumor cell proliferation, migration, and invasion while protecting cells from radiotherapy-induced apoptosis by modulating DNA damage repair factors.
A new study reveals that ALK mutations enhance tumor immunogenicity and predict favorable outcomes in immune checkpoint blockade. The presence of ALK mutations is an independent favorable predictor of overall survival, decreasing the risk of patient death by 31%.
Recent research published in The Journal of Nuclear Medicine has made significant advancements in brain imaging and cancer treatment. A new wearable brain imaging system, SmartBrain, enables real-time imaging beyond the lab, capturing high-resolution images of brain activity without requiring patients to remain still.
A new study from the University of Kansas reveals that older college students who work full-time while studying tend to have higher graduation rates and better retention. The research, which analyzed over 7,000 post-traditional students, found that being older and working full-time positively predicted six-year graduation rates, while ...
A 20-year follow-up study by the University of Copenhagen reveals that nearly all patients who initially admitted to hospital psychiatry returned, with significant consequences on their education, family life, and health. The researchers emphasize the importance of early and comprehensive assessments to provide better support and preve...
Researchers identified a key brain pathway in rats that helps them decide whether to approach stressed pups or avoid stressed adult peers. The insular cortex and prefrontal cortex work together to process social information, with the pathway playing a crucial role in making these decisions.
A two-day symposium brought together leading researchers, clinicians, and policy experts to examine the science surrounding ultra-processed foods and their impact on human health. Key findings include the biological mechanisms linking ultra-processing to chronic disease and opportunities for policy action.
Higher body mass index over time led to more rapid declines in cognitive functions, memory and executive functioning. Managing weight could significantly lower the rate of cognitive decline in just two years.
Researchers at MIT have found that chromatin can exist in two different categories: constrained and free, which affects its interaction with genes and DNA regulatory sequences. This study provides insight into gene regulation and DNA repair processes.
A recent study found that older adults experiencing economic instability, poor housing, and fuel poverty are at a higher risk of physical and mental decline. The research, conducted over 14 years, suggests that living in precarious social circumstances can drive greater exposure to frailty in later life.
A study analyzing 100 million posts from underground cybercrime communities found that most cybercriminals lack the skills to use AI effectively, and its adoption has limited benefits for their work. However, AI coding assistants are mostly useful for already skilled actors, and poorly secured agentic AI systems pose a significant risk.
A pioneering study by the University of Eastern Finland confirms that total hip arthroplasty leads to better outcomes than conservative treatment for patients with moderate-to-severe hip osteoarthritis. The surgery significantly improved pain, functional capacity, and quality of life compared to conservative treatment alone.
A new paper outlines a practical framework for supporting residents' sexual health in long-term care, emphasizing autonomy, safety, and person-centered care. The framework establishes a Sexual Health Committee to develop policies and guide staff on sensitive aspects of care.
Researchers discover hydrogen radicals play central role in PFAS degradation under high-energy UV light, breaking down molecules into smaller, less persistent compounds. This breakthrough provides a clearer understanding of the underlying mechanism and challenges previous assumptions.
Researchers identified how Mycobacterium abscessus evades treatment and proposed a strategy to overcome resistance, offering a pathway towards more effective treatments. A combination therapy targeting both smooth and rough variants proved more effective than single-phage treatment.
A doctoral thesis reveals two drug molecules that can initiate the regrowth of a protective layer surrounding neurons, enhancing remyelination and accelerating brain tissue repair. The study also identifies scar tissue as a physical barrier to neural regeneration and demonstrates effective treatment with a second drug molecule.
When proteins become unbalanced, plant cells use a molecular recycling system to break down defective proteins. Central regulators NAC53 and NAC78 adjust this activity in response to stress, activating genes that strengthen protein breakdown while suppressing photosynthesis.
The International Osteoporosis Foundation is seeking an Editor-in-Chief for the European office of Osteoporosis International, a world-leading peer-reviewed journal focused on osteoporosis and metabolic bone diseases. The successful candidate will oversee content development, peer review, and strategic oversight of the journal.