Researchers found that transformational leadership can increase sickness absence levels among employees who ignore their ill-health and frequently show up for work while ill. The study suggests that managers should strike a balance between encouraging staff to perform well and prioritizing their health and well-being.
Researchers have reproduced the reaction behind plant withering, revealing a mechanism involving reactive oxygen species during photosynthesis. This discovery could help ensure stable food supplies by cultivating plants resistant to global warming.
Researchers found that parental perceptions of a child's weight status are not protective against weight gain during childhood. Children whose parents perceived their weight as 'overweight' gained more weight over time. This association holds true even if the parent accurately or inaccurately believed their child was overweight.
A USC study shows how skeletal stem cells form the blueprint of the human face by regulating cartilage and bone growth. The research identified two critical signaling pathways, Jagged-Notch and Endothelin1 (Edn1), which control when stem cells transform into facial cartilage.
Researchers develop innovative procedure to treat plastic bronchitis, a rare condition causing airway blockages in children with congenital heart defects. The technique uses minimally invasive catheterization techniques and customized imaging tools to improve symptoms and potentially cure the condition.
Researchers use AI and game theory to improve anti-poaching patrols, reducing poacher activities per kilometer and saving time and energy. The system also incorporates complex terrain information and natural transit paths to create practical patrol routes.
A study by University of Waterloo researchers found that drawing pictures of information improves memory, outperforming other known encoding strategies. The 'drawing effect' was observed, where students recalled more drawn words than written ones, even with poor artistic skills.
Researchers have observed Bell correlations for the first time in a large system of 480 atoms, indicating that properties may exist independently but not deterministically. This finding opens up new possibilities in quantum technology and basic research.
A study published in JAMA Oncology found that aromatase inhibitors, used to treat breast cancer, do not increase the risk of fatal cardiovascular events. However, women taking these drugs had a higher risk of less serious cardiovascular events, such as abnormal heartbeats and pericarditis.
A Penn Nursing study found that unmet nursing care is associated with higher rates of rehospitalization among black patients with acute myocardial infarction. The study suggests that ensuring adequate resources for nurses can help reduce health disparities.
Researchers from Scripps Translational Science Institute discovered a higher-than-normal presence of genetic variants offering protection from cognitive decline in the 'Wellderly' study. These variants were found to be associated with long-term cognitive health and protection from chronic diseases, including cancer and heart disease.
A study found that crayfish increase macroinvertebrate density in polluted streams. The presence of crayfish also reduces sediment settling, creating a more favorable habitat for these organisms. This research highlights the potential benefits of invasive species like crayfish in alleviating problems in impaired streams.
The Rex Griswold Foundation has donated $50,000 to the Translational Genomics Research Institute (TGen) to investigate Multiple System Atrophy (MSA), a rare nerve disorder affecting fewer than 5 in every 100,000 people. TGen's whole genome sequencing aims to uncover novel genetic associations with MSA.
Researchers identified a critical immunotherapy target by marking dysfunctional regulatory T cells in glioblastoma multiforme patients. Anti-PD1 therapies may drive further regulatory T cell dysfunction, suggesting potential treatment benefits.
The discovery of the fossil monkey provides evidence for the interchange of mammals between South and North America, challenging long-held views of South America as an island continent. The new genus and species, Panamacebus transitus, suggests that monkeys may have unintentionally rafted across on mats of vegetation.
A recent study found that HIV infection can lead to an average age acceleration of 4.9 years due to epigenetic changes, increasing the risk of mortality by 19%. The researchers suggest that early intervention and healthy lifestyle choices may help mitigate these risks.
A new development tool is being proposed based on the concept of 'software quality information needs'. The tool aims to provide developers with the right kind of information about the current state of and the effect of changes on software quality. Three case studies will be conducted to develop metrics and measurement techniques to det...
Researchers discovered that adults assume babies with higher-pitched cries are female and those with lower-pitched cries are male. This study highlights how early exposure to gender stereotypes can affect our perceptions of babies' needs.
A recent review of published studies on autism spectrum disorder found significant discrepancies in reported brain abnormalities. Experts emphasize the need for more extensive research to better understand these variations.
A study of over 300,000 patients with chronic kidney disease found that higher systolic blood pressure is linked to poor outcomes, but this association diminishes with advanced age. The findings support current clinical guidelines for younger patients, but suggest a more cautious approach for very elderly patients.
A team led by John P. Cooke identified reactive oxygen species as critical to the transformation of adult somatic cells into induced pluripotent stem cells (iPSCs). The researchers discovered that a 'Goldilock's zone' of free radical generation is optimal for iPSC production, with too little or too much ROS impaireding colony formation.
A Midwest bakery's switch to propane from diesel resulted in significant petroleum displacement and greenhouse gas emission reductions. The Alpha Baking Company saved seven cents per mile on fuel costs with the new vehicles.
Researchers manipulated video footage to study male jumping spiders' behavior, finding that size assessment influences their decision-making. Larger spiders are less likely to approach smaller opponents, while smaller spiders can't scare away larger opponents.
A review of 21 studies on dietary interventions and sleep found significant effects in nearly half of the laboratory-based studies. However, overall findings suggest that a single diet change is unlikely to drastically improve sleep quality for most people.
A large study of nearly 29,000 outpatient hand and shoulder surgeries found a 0.2 percent complication rate, with most complications being post-operative infections or blood clots. The study suggests that proper patient selection can make these procedures safe at freestanding ambulatory surgery centers.
Researchers at Utah State University and other institutions have developed a light-driven process for nitrogen fixation, which could revolutionize agriculture and reduce the world's dependence on fossil fuels. The new process uses nanomaterials to capture light energy, making it more energy-efficient than traditional methods.
Researchers at UT Knoxville have discovered a novel regulatory pattern for cytokinesis, the final stage of cell division, triggered by the signaling protein Cdc42. This finding has implications for understanding cancer and other diseases, where defects in Cdc42 control are associated.
The BURST code simulates conditions during the first few minutes of cosmological evolution to model the role of neutrinos, nuclei and other particles in shaping the early universe. This allows physicists to investigate existing puzzles of cosmology, including the nature and origin of visible matter and dark matter.
Scientists are evolving plans for managing tsunami risk on the US Pacific coastline, using historic data and new technologies like camera-bearing drones. California officials are refining their response playbooks after the 2011 Tohoku earthquake, while geologists search for evidence of past tsunamis to better estimate risks.
Sea ice physicists project a possible record-low Arctic sea ice extent this summer, with thin ice unlikely to survive the melting season. The CryoSat-2 satellite data shows that arctic sea ice was unusually thin in 2015 and grew slowly during the past winter.
Researchers measured critical Casimir forces with two and three particles to demonstrate nonadditivity and show that these forces are crucial for designing micro-machines. The study used colloids immersed in fluid and optical tweezers to measure the effects of many-body interaction.
Scientists have discovered a nearby supernova's ash continuing to fall on Earth, with rare iron-60 isotope detected in cosmic rays. The findings suggest another supernova occurred near the previous one, contributing to the ongoing acceleration of these nuclei.
The team determined the three-dimensional structure of RlmN protein from Escherichia coli bacteria, capturing it during a normally transient event. The discovery sheds light on RlmN's function in modifying RNA molecules that are crucial for bacterial infections and potential antibiotic resistance.
Researchers at Cardiff University discovered a signaling molecule that can alleviate asthma symptoms such as mucus production and airway constriction. The study found that blocking this molecule can help regulate the allergic immune response, potentially leading to improved treatment options for asthma sufferers worldwide.
A Wayne State University Ph.D. student has been awarded a prestigious NIH fellowship to investigate the effects of stress on cigarette smokers. The research aims to understand how stress impairs brain function and increase the likelihood of relapse, with the goal of developing better treatments for patients.
A team of scientists has identified a gene, HMGA2, that explains variation in beak size among Darwin's finches. The gene contributed to a rapid shift in beak size following a severe drought, enabling the medium ground finch to adapt and survive.
Researchers will test a nanoghost technology to deliver microRNAs targeting metastatic melanoma, while investigating heparanase for mesothelioma diagnosis and treatment. The partnership aims to advance global collaboration in cancer research and therapeutics.
Researchers found that bird-like dinosaurs with toothless beaks were able to survive on seeds after the meteor impact, while those with teeth went extinct abruptly. The study suggests that dietary adaptations played a crucial role in the survival of modern birds.
Researchers found that young birds can produce mature flight strokes despite underdeveloped muscles and wings. Leg-wing cooperation enables juvenile birds to flap like adults, improving traction as they climb.
Researchers have developed a complete system to sequence DNA in nanopores electronically at single molecule level with single-base resolution. The system uses a protein nanopore array and polymer-tagged nucleotides to perform single molecule electronic DNA sequencing, enabling real-time and parallel sequencing of multiple DNA molecules.
A warmer climate could lead to higher growth and productivity on US national forests and grasslands, but at the cost of reduced freshwater yields. The study projects a 4-7% decrease in water yield by 2100, with the most severe declines in the Northwest, West North Central, and Southwest regions.
Research at the University of Bristol reveals that plant viruses can alter leaf surface properties to attract insects like greenfly. Infected leaves reflect less polarized light, making them more visible to bugs.
Dr. Hao Zhu has been awarded a $750,000 Stand Up To Cancer grant to investigate the relationship between injury, regeneration, and cancer. His research aims to understand the mechanisms shared by cancer and organ regeneration, with potential therapeutic targets in tissue repair and cancer prevention.
SPARK aims to advance our understanding of autism's causes by collecting DNA from 50,000 individuals with autism and their families. Researchers will study genetic mechanisms and environmental factors to develop new supports and treatments.
The improved buckling restrained braces (IBRBs) feature contact rings between inner and outer tubes for lateral constraint, resulting in better behavior. Numerical simulations agree with test results, demonstrating the program's feasibility in analyzing overall stability strength capacity.
A new study by Janet Currie and colleagues reveals a decline in mortality inequality among poor children up to age 20, with improvements most pronounced in poorer counties. This finding suggests that the life expectancy gap is likely to continue decreasing as younger generations form the future US population.
Researchers discovered that the cell cycle clock inhibits the formation of centrioles, ensuring each daughter inherits a single copy. This mechanism is critical for maintaining homeostasis and preventing infertility and cancer.
Researchers discovered that B cells rely on RNA binding proteins ZFP36L1 and ZFP36L2 to induce quiescence, allowing them to 'rest up' between developmental events. This mechanism is crucial for proper B cell development, as seen in mice where a 98% reduction of mature B cells was observed when these proteins were absent.
A new DNA analysis suggests that North American mammoths interbred more frequently than previously thought, blurring the lines between species. The study found that woolly and Columbian mammoths could produce fertile offspring, contradicting historical notions of separate species.
A new type of transposable element was discovered in certain bird genomes, which also occurred in nematode worms that are human parasites. The finding reveals that these modern human parasite species were birds from 25-17 million years ago.
Researchers created a mouse model that closely replicates the symptoms and gene expression patterns of ALS and frontotemporal dementia. The model allows scientists to understand how the C9orf72 gene mutation causes paralysis and dementia, and potentially develop treatments.
Scientists find 21-million-year-old fossil evidence of mammals traveling from South America to North America. The discovery sheds light on the evolution of Western Hemisphere monkeys, revealing they stopped migrating north due to a barrier of North American vegetation.
A pilot study examining southwest tribal elders found moderate vascular risk despite hypertension treatment, highlighting the need for culturally fair instruments and biomarkers. Cognitive and depressive symptoms were also significant factors in the research results.
A new study reveals that volcanic activity associated with continental plate movement may have driven climatic shifts from hot to cold over tens and hundreds of millions of years. The research found that periods of high volcanic activity coincided with warmer conditions, while low volcanic activity was linked to colder, icehouse periods.
Researchers found that young birds exhibit mature flight stroke early in development by leveraging leg and wing power, challenging existing ideas about flight origin. This discovery could provide insights into the evolution of flight in ancient theropod dinosaurs.
A new study found that anaphylaxis rates among Canadian children have doubled over four years, highlighting the need for increased awareness and proper use of epinephrine auto-injectors. The majority of cases were triggered by food, particularly peanut and tree nut allergies.
The Maine Algal Research and Innovation Accelerator (MARIA) will be a center for developing universal algal standards, exploring new and varied ways that algae could be incorporated into products. MARIA aims to accelerate innovation in natural products created using micro and macro algae.
Scientists at NREL developed a new, light-driven chemical process to produce ammonia, the main ingredient of fertilizer. The research uses nanocrystals to harness light energy, which then energizes electrons to trigger nitrogen transformation.
A new study from Harvard predicts that regions of the US could experience up to nine additional days of unhealthy ozone levels per year by 2050. Global climate change is expected to exacerbate heat waves and increase ozone episodes.
Researchers discovered that when people sleep in an unfamiliar place, one hemisphere of the brain stays more awake to keep watch. This phenomenon is related to the difficulty a person experiences in falling asleep and can be reduced by bringing familiar comforts.