A study published in Science Advances reveals that the lifespan of a tree leaf is determined by environmental factors such as climate and soil conditions. The researchers found that evergreen conifers make longer-lived leaves in colder climates, while deciduous trees produce shorter-lived leaves in warmer environments.
A new paper provides evidence-based strategies to create safer experiences for marginalized gender and sexual identities in ecological field research. The authors recommend comprehensive protocols, safety plans, inclusive housing policies, and affirming healthcare to attract and retain a diverse workforce.
Scientists successfully used lab-produced tissue samples to remotely control muscle-driven miniature robots with this innovative technology. The device allows researchers a new level of interaction and exploration in the field of biological robots.
A new study analyzed nearly 20,000 conversations between online users and a chatbot called SimSimi to understand user interactions during the COVID-19 pandemic. The researchers found that daily chats with the chatbot mostly led to positive emotions and reduced negative moods during lockdowns.
A UCSF study suggests people who identify as lesbian, gay, bisexual, transgender, or non-binary may have a higher risk of stroke at a younger age. Non-traditional stroke risks include HIV and syphilis infections.
A Phase 3 clinical trial testing an experimental HIV vaccine regimen found the treatment to be safe but ineffective in preventing HIV acquisition. The trial involved over 3,900 volunteers and concluded that the number of HIV infections were equivalent between the vaccine and placebo arms.
Researchers analyzing Ryugu asteroid samples found minerals produced through water reactions over 4.5 billion years ago, providing insight into the solar system's infancy. The discovery sheds light on asteroid accretion and the formation of planets like Earth.
A study of 10 mummified crocodile remains discovered in an undisturbed tomb at Qubbat al-Hawā offers new insights into pre-Ptolemaic mummification practices. The unique preservation style suggests a different approach to carcass evisceration and resin use compared to other archaeological sites.
Researchers found poor adherence to surgical quality metrics in lung cancer patients, with only 40% receiving minimally invasive surgery and one-third receiving adequate lymph node sampling. Adherence to guidelines was associated with improved overall survival rates.
Columbia Engineering neuroscientists identified a specific neural mechanism in the human brain that enhances memory for emotional events. High-frequency brain waves in the amygdala and hippocampus are critical to this process, and disruptions can impair memory specifically for emotional stimuli.
The INTERCOVID Study found that vaccinated women had a low risk of severe COVID-19 symptoms and hospital admission. Vaccination was associated with reduced risks of maternal morbidity, severe pregnancy complications, and hospital admission, especially among unvaccinated women.
A large Danish population study found that premature birth before 34 weeks is linked to lower scores in maths and language tests as a teenager. However, the researchers noted that cognitive outcomes are not predetermined at birth but are heavily influenced by social circumstances.
Researchers at TU Wien have created a new, simpler method for producing intense, high-energy X-ray pulses using ytterbium lasers and a gas medium. This technique increases the efficiency of X-ray radiation production, allowing for better monitoring of chemical reactions in real-time and more efficient nanostructure production.
A six-year study published in the Journal of the American Heart Association found that reducing overall calorie intake was a stronger determinant of weight change than meal timing. The research suggests that limiting total eating window during the day may not be as effective for controlling weight as previously thought.
Researchers found altered cognitive function months after the Camp Fire, including increased activity in brain regions involved in cognitive control. Climate trauma may impair daily functioning and reduce wellbeing by weakening interference processing abilities.
A new study found that risk factors for stroke, such as high blood pressure and diabetes, become less significant with age, while others remain unchanged. Researchers discovered varying risks associated with these factors across different age groups, highlighting the need for tailored approaches to managing stroke risk.
Researchers found that larvae of the Atlantic mangrove fiddler crab survived less in warmer water and underwent physiological changes due to higher acidity. Marine heatwaves will be harmful to species and those that feed on them, with potential economic losses to fisheries. Further research is needed to understand the effects.
Laboratory experiments show rapid antibiotic switches can prevent resistance, with collateral-sensitive drug pairs suitable for therapy. However, environmental conditions in patients differ from labs, and natural degradation affects treatment.
A recent study found that human-caused mortality triggers instability in wolf packs in national parks, decreasing the chance of pack persistence and reproduction. Wolves living outside park boundaries are at a higher risk of being killed by humans, with poaching being the most common cause of death.
Researchers developed breathable electrodes woven into fabric used in fire suits, showing stability at temperatures over 520ºC. The fabric offers high thermal protection time of up to 18.91 seconds.
A recent study from West Virginia University found that states permitting nurse practitioners to exercise full practice authority (FPA) tend to have a more diverse and racially aligned NP workforce. In FPA states, Black NPs serve 2.8% more Black Medicare beneficiaries than in non-FPA states.
Autistic adults face unique health challenges, but federally funded research has overlooked their needs. Analysis finds that only four studies have examined treatment of physical health disparity conditions in autistic adults, with none addressing the issue.
A study by sociologists from Trinity College Dublin and UNED Madrid found that parental separation results in significant but temporary increases in gender inequalities in parent-child time. After separation, mother-child time doubles while two-parent time declines threefold, with father-child time remaining low.
A long-term study of forest landslides in the Pacific Northwest reveals that management history has a greater impact on landslide frequency and severity than rainfall. The research, led by Oregon State University, found that decades of road building and logging practices affected flooding, landslides, and erosion patterns.
A study by University of Essex and University of Reading found that controlling tones made students' self-esteem plummet, while supportive voices inspired connection to the teacher. The research aimed to influence teacher training and boost classroom results.
A recent study found that adolescent boys and young adult men in Canada experience high levels of muscle dysmorphia symptoms, with one in four at clinical risk. The study highlights disparities among sexual identities and racial/ethnic groups, emphasizing the need for greater awareness and knowledge among healthcare professionals.
Researchers found that schizophrenia patients' brains have highly modular semantic networks with distinct categories and disorganized structure, leading to impaired thought processes. This study provides new insights into the 'loosening of associations' in schizophrenia.
A new study published in CMAJ found that COPD patients who undergo major surgery are more likely to die and incur higher healthcare costs than similar patients without COPD. The study included 932 patients aged 35+ in Ontario, with COPD patients being older, more frail, and having lower income.
A new study by researchers at Florida Atlantic University explored the effects of resistance training on older adults' cellular level. The study found that resistance training did not significantly affect inflammatory proteins or redox balance markers, but showed a significant reduction in a specific protein ratio. This may support the...
Researchers discovered glyphosate residues in wildflowers near sprayed fields, exposing bees to potential harm. The study highlights the need for further research on glyphosate's impact on bee species and its potential use as a desiccant before harvesting crops.
Exercise promotes a molecular profile consistent with expression of youthfulness-promoting Yamanaka factors, according to a recent study published in the Journal of Physiology. The researchers found that exercise induces Myc protein in muscle, which may serve as a naturally induced reprogramming stimulus.
A team of scientists reviewed the effectiveness of reanalysis data products for studying the West African climate. They found that ERA5 achieved considerable progress in reducing biases and improving representation compared to its predecessor, ERA-interim.
A study of early Cretaceous bird fossils has provided insights into the preservation of soft tissue and the taphonomic effects on the environment. The analysis suggests that a combination of factors, including climate and sedimentation, contributed to the exceptional preservation of feathers in some specimens.
Researchers used computer modeling to simulate a nuclear explosion and found that high airspeeds remain a considerable hazard inside buildings. The tight spaces can increase airspeed, causing severe injuries or fatalities.
Among a U.S. national cohort of internal medicine residents, 1 in 4 women and 1 in 31 men reported experiencing sexual harassment. Despite understanding the reporting process, few residents formally reported incidents, resulting in low satisfaction rates with outcomes.
Researchers explored the impact of pick failures on e-commerce retail sales and found that incorporating this factor into order management systems can lead to significant savings. By modeling pick failure probabilities, retailers can optimize their ship-from-store programs and reduce costs.
Researchers found that mice exposed to WTCPM dust exhibit impaired spatial recognition and memory, as well as changes in genes related to immune-inflammatory responses. The study suggests a peripheral-brain immune inflammatory 'cross-talking' mechanism that may increase cognitive decline risk.
Researchers at Bar-Ilan University have discovered a new molecular blocker that successfully halted breast cancer metastasis by targeting the Pyk2 and cortactin interaction. The study's findings provide significant hope for fighting breast cancer, as the blocker inhibited metastasis formation in breast cancer-bearing mice.
A new study reveals that high-affinity B cells trigger a change in the criteria for admission to germinal centers, allowing low-affinity B cells to join, increasing the diversity of the immune response. This process is crucial for fighting off viruses like SARS-CoV-2 but may hinder efforts against HIV.
A study published in iScience reveals that fibroblasts cooperate with myeloid cells to produce IL-11, protecting the mucosal epithelium from damage during acute colitis. The interaction between fibroblasts and myeloid cells is crucial for maintaining intestinal homeostasis.
The field of intelligent computing has made significant progress, focusing on autonomous perception, information gathering, analysis, and reasoning. Key findings include the need to develop more flexible systems that can accommodate diverse forms of intelligence through computing.
Dr. Sushil Jajodia is rethinking adaptive cyber defense with a focus on worst-case response time and adversary cost optimization
Research from the University of Houston suggests that digital technology can enhance learning in young children by leveraging mind-wandering moments. When toddlers exhibit attentiveness and persistence while playing educational apps on an iPad, it leads to positive creative problem-solving skills and improved learning outcomes.
A study of 184 grade I and II meningiomas found associations between specific tumor mutations and increased or decreased recurrence rates. Mutations in ATM and CREBBP were linked to accelerated recurrence, while POLE mutations showed protective effects, highlighting potential targets for intervention.
A recent analysis of 56 clinical trials found that many medical treatments are effective for patients with multiple health conditions. The study suggests that treatment effectiveness is not significantly impacted by the presence of comorbidities.
Researchers used deep learning AI to analyze chest X-rays of patients with acute chest pain syndrome, identifying those at high risk for life-threatening conditions. The model significantly improved prediction accuracy beyond conventional clinical markers, allowing for more accurate triage and potential deferral of additional testing.
Researchers have developed a new method to synthesize functionalized dibenzoazacyclooctynes, expanding the possibilities for strain-promoted azide–alkyne cycloaddition reactions in biomolecular analysis. This work enables precise modification of cellular components without affecting overall cell physiology.
Researchers at Massachusetts General Hospital created a new class of technologies called CRISPR-associated transposases (CASTs) to overcome diverse disease-causing mutations. The optimized approach improves product purity and genome-wide specificity, offering a potential solution for inserting entire genes into the genome.
A new policy brief has been launched by Staffordshire University to guide the creation of national telehealth patient consultation guidelines and training. The framework, developed in partnership with Allied Health Professions (AHPs), aims to improve the delivery of remote patient consultations across various healthcare professions.
Researchers at the Netherlands Institute for Neuroscience have developed a method to visualize the human cerebellum with unprecedented detail using a 7-Tesla MRI scanner. The technology enables the reconstruction of the cerebellum's patterns and layers, providing new insights into its role in motor skills and cognition.
Researchers investigated micro-sized polyethylene's toxicity on human colorectal cancer cells, finding decreased cell viability and increased reactive oxygen species production. Exposure to high doses caused cell death and oxidative stress responses.
A new biopsy procedure is developed with a multispectral confocal endomicroscope to aid in lung tissue imaging. The system allows for simultaneous imaging of multiple fluorescent dyes, enabling unique identification and spectral unmixing.
The American Physical Society's (APS) March Meeting will feature more than 12,000 physicists presenting groundbreaking research on climate science, medicine, and quantum information. The conference will have a hybrid format, with both in-person and online experiences.
A new study finds that global atmospheric dust has a slight overall cooling effect on the planet, hiding the full amount of warming caused by greenhouse gases. The UCLA research found that desert dust levels have grown 55% since the mid-1800s, counteracting warming effects.
A study published in European Heart Journal found that group cognitive behavioural therapy (CBT) reduced symptoms of anxiety and depression in working-age heart patients. The therapy improved quality of life and reduced readmissions for heart problems.
Using genetically modified Aspergillus fungi, researchers have successfully converted polyethylene plastics into pharmacologically active compounds. The process breaks down the plastics quickly and efficiently, producing commercially viable yields of asperbenzaldehyde, citreoviridin, and mutilin.
A large cohort study found an association between dietary nitrite intake and increased risk of type 2 diabetes. The study, which included over 104,000 participants, suggests that limiting the use of nitrite additives in processed meats may be necessary to reduce this risk.
A new study finds that narrative medicine is an effective tool for caring for older adults, with medical students and faculty reporting improved patient care and reduced burnout. The My Life, My Story project enables clinicians to take a deeper social history of their patients, leading to more holistic care.
A new mathematical formula has been developed to measure sediment transport in rivers, providing a crucial tool for scientists and planners. The formula takes into account the shape and features of individual sediment grains, allowing for more accurate predictions of sediment transport rates.
A recent study found that functionally diverse bird communities changed less under climate change than simple ones over the past 50 years. Higher species richness and variety of functional properties were better safeguarded against climate change impacts.