A recent study tracked shifting mental health signals across eight Australian cities using machine learning and spatial mapping. Researchers found a shift from pessimism early on to increased optimism in the middle phase, before returning to pessimism in the later phase.
A study published in Aging Cell found that late-life exercise can reverse skeletal muscle epigenetic aging in mice, making them appear 8 weeks younger than sedentary mice of the same age. The researchers used a weighted exercise wheel to stimulate muscle growth and reduce DNA methylation, a biological process linked to aging.
Researchers found that large, intense and controlled burns increased grassland bird richness by 85% in targeted areas. The study suggests that targeted grassland restoration focusing on preventing woody plant encroachment will be most successful in conserving and increasing grassland bird diversity.
Researchers from the University of Arkansas have discovered a new species of pangolin in Europe, confirming its existence during the early Pleistocene. The fossil, dated between 1.9-2.2 million years old, is the youngest and best-documented pangolin fossil found in Europe.
A new study by researchers at the University of Arkansas found that personality traits, such as conscientiousness and extraversion, have varying effects on job performance across different occupational groups. The study's findings suggest that jobs with moderate complexity are ideal for relying on personality traits to predict performa...
A study published in the Journal of Sport and Social Issues found that NFL players who committed general violence received shorter suspensions than those who committed violence against women. The league punished players for drug offenses twice as much as those for general violent behavior, according to researchers.
Researchers aim to provide digital histopathology images and quantitative information without invasive biopsies, addressing a common challenge in wound healing. The project combines metabolic imaging, deep learning techniques, and collaboration with experts in the field.
The Army Research Office and Army Research Laboratory have awarded $5.4 million in grants to support the development of a unique silicon carbide semiconductor fabrication facility at the University of Arkansas. Researchers will focus on producing energy-efficient and heat-resistant integrated circuits for military applications.
The University of Arkansas will receive a grant to analyze gun crime patterns in Chattanooga, Tennessee, with the goal of reducing frequency of violence. The researchers aim to understand where, when, and at what frequency gun crime occurs to inform evidence-driven practices.
The discovery of two new species, a skink and a fish, sheds light on the variety of animals inhabiting North America during the Early Cretaceous Period. The findings confirm that North America had limited faunal diversity during this time, with many species similar to those found in other regions.
The study will quantify changes in Arctic sediment production and transport due to climate change, informing First Nation community planning. As temperatures rise, increased rock weathering and sediment production are expected to alter river habitats, posing risks to local ecosystems and communities.
Researchers developed a new technique using Raman spectroscopy to determine the effects and effectiveness of immunotherapy treatment on colon cancer tumors. The study showed that the technique can detect early biochemical changes in tumors, differentiating between responders and non-responders.
The University of Arkansas will receive funding to build a unique production facility for silicon carbide integrated circuits, filling a void in US production. The open-access facility will provide opportunities for prototyping and device design, training the next generation of semiconductor researchers and engineers.
The National Science Foundation awarded a four-year project to study ancient agriculture in south-central Veracruz, Mexico. The researchers aim to understand the factors that contributed to the area's agricultural collapse and its potential implications for modern farming.
A new vulnerability index for tropical rainforests detects and evaluates vulnerability to climate threats by focusing on land-use changes. Key findings include regional differences in resilience, strong interactions between climate, land use, and biodiversity.
The $3 million grant aims to study the effect of climate change, globalization and infrastructure development on the Arctic region. The project will examine interactions among social systems, natural environment and built environment in Yamal, northern Russia.
New research from the University of Arkansas finds that prior training can accelerate muscle growth and response even after extended idleness. Previously trained muscles in mice responded with more sensitivity and grew more rapidly than previously untrained muscles, thanks to epigenetic changes in DNA.
The University of Arkansas has established a research institute focused on virology and virus ecology, receiving a $6.1 million grant from the NSF. Researchers will study diverse virus systems across domains of life, including Bacteria, Archaea, and Eukaryotes, to establish fundamental rules of life.
A University of Arkansas researcher found that employed individuals are 35.3% more likely to be infected with the flu virus. The study considered individual characteristics and occupation-specific human exposure and interaction at work as potential mechanisms for contagion.
Two University of Arkansas researchers will study how carbon-dioxide ice pits in Mars' polar caps have formed and evolved over time. They aim to better understand the seasonal and long-term cycles of these ice pits and their impact on Martian atmospheric dynamics.
Jin Hu, a physicist at the University of Arkansas, received a prestigious Early Career Research Program award from the US Department of Energy to advance research into novel topological quantum materials. His five-year award will support studies on crystal growth, characterization and various measurements in high field, low temperature...
A recent paper examines the critical period before river regulation began, revealing that erosion of the upper Atchafalaya and dredging of the lower Mississippi contributed to increased water flow. The research aims to better understand river channel dynamics and inform management decisions to preserve Louisiana's coastline.
Researchers tracked mobile phone data from millions of users in US metropolitan areas, finding that lower-income neighborhoods had significantly less time at home during the lockdown. Education level also played a role, with higher-income neighborhoods and those with more college degrees spending more time at home.
Researchers created a new map of the Schrödinger basin, a key area for understanding the moon's geological history. The map provides guidance for robotic rovers to collect high-priority rock samples from this region.
A new legal framework for traffic enforcement, proposed by University of Arkansas law professor Jordan Blair Woods, separates traffic laws from critical police functions. This would delegate most traffic enforcement to newly created traffic agencies, reducing racial and economic injustice in stops.
A new study based on research at a unique fossil site in Utah finds that tyrannosaurs were likely gregarious animals, with evidence suggesting they died together during a seasonal flooding event. The discovery sheds light on the behavior of these fearsome predators and challenges long-held assumptions about their solitary hunting habits.
The University of Arkansas has been awarded a $10.8 million NIH grant to establish an integrative metabolic research center, focusing on diseases like cancer, diabetes, and obesity. The center will combine expertise in advanced imaging, bioenergetics, and data science to explore the role of cell and tissue metabolism.
Psychologist Darya Zabelina is researching how attention and executive functions relate to creative thinking. She aims to develop training protocols to improve creativity in military personnel, who face unpredictable situations.
A new study published in Polar Biology found that Arctic foxes adapt to changing food sources due to climate change, relying on larger prey during rodent 'bust' years. The research provides insights into the feeding ecology of Arctic foxes and potential impacts of changes in food abundance across space and time.
Research finds that displays of moral outrage are perceived as desirable for a long-term mate, particularly among women due to prosocial attitudes of trustworthiness. Action is required to demonstrate moral outrage, rather than just expressing it, to increase attractiveness.
A recent study led by University of Arkansas geologist Jill A. Marshall found that cold temperatures during North America's last ice age shaped landscapes well beyond the reach of glaciers, affecting areas from Oregon to Georgia and as far south as Texas and Arkansas. The research suggests past cold climates have had a significant impa...
A new study by University of Arkansas psychologist Anastasia Makhanova found a correlation between the CD38 CC gene variation and higher levels of gratitude, trust, forgiveness, and increased marriage satisfaction. Individuals with the CC variation reported more positive perceptions beneficial to successful relationships.
A global team of researchers has proposed a four-part approach to detect and contain zoonotic diseases in Africa. The strategy involves gathering information on diseases that can jump from animals to humans, testing hospital patients with fevers, analyzing blood serum in high-risk groups, and utilizing archived samples.
Researchers created maps of where brines are most likely to be found on Mars by considering global weather patterns and multiple phase changes. Favorable conditions for stable brines are mostly in mid- to high-northern latitudes, large impact craters in the southern hemisphere, and shallow subsurface near the equator.
A new national study by the University of Arkansas links increased social media use to developing depression in young adults. Young adults who used more than 300 minutes per day were 2.8 times as likely to become depressed within six months.
Researchers Marco Fielder and Arun Nair found that water and mineral content variations significantly impact collagen fibril behavior, leading to bio-composites with improved mechanical stability. Composites with 40% mineralization were twice as strong as those without minerals, regardless of water content.
Lauren Greenlee will investigate iron and oxygen atoms using X-ray spectroscopy to improve battery materials and water treatment. The project aims to design catalysts for polymer conversion and recycling, leading to enhanced industrial applications.
Researchers discovered moulins in Greenland ice sheet are much larger than previously thought, with extra volume influencing the ice sheet's stability and movement towards the sea. The study's findings add to knowledge of how meltwater interacts with the base of the ice sheet.
Researchers at the University of Arkansas are working on developing a computational framework for creating novel vaccines and therapeutics against the flu. By modeling the critical hemagglutinin protein, they aim to understand how it interacts with human cells and develop strategies to inhibit its activation mechanism.
Researchers developed a tree-ring chronology that links Amazon precipitation patterns with those in North and South America, revealing an inverse relationship between the areas' growth and precipitation levels. The study provides valuable insights into large-scale climate extremes and the impact of El Niño phenomenon.
Justin Zhan, a data science professor at the University of Arkansas, has received a $1.25 million grant to develop novel algorithms for enhancing computational speed and efficiency in applications requiring massive amounts of streaming data. His research aims to improve operational robustness, computational speed, and efficiency in too...
Physicists at the University of Arkansas have successfully developed a graphene-based circuit capable of capturing thermal motion and converting it into electrical current. The discovery proves a long-held theory that graphene can harness energy from its atomic motion.
Researchers are establishing a global volunteer network to track the abundance of dragonflies and damselflies, crucial indicators of environmental changes in freshwater biodiversity. The network aims to fill gaps in knowledge by collecting standardized data over 10-15 years from citizen scientists worldwide.
The Natodomeri fossil site in northwest Kenya is yielding a complete skull and partial skeleton of an early modern human, as well as extensive archeological material. The site's discovery provides a unique opportunity to compare early humans from the same time period but existing in different places.
Researchers found that remote work facilitated by the pandemic will lead to issues such as reduced social connectedness, increased risk of substance abuse, and need for new performance management systems. Companies may also need to create or augment employee assistance programs to address these concerns.
A recent study of fossils from Eastern Europe's Olte? River Valley reveals a wide range of ancient species, including short-necked giraffes, saber-toothed cats, and pangolins. The findings shed light on early human migration to Eurasia and provide insights into past environments.
Researchers found an increased threat to populated areas from rising water tables and the possibility of flooding in unexpected inland areas. The study indicates that rising sea levels could push freshwater closer to the surface, putting infrastructure at coastal seaports and national airports at risk.
Researchers at the University of Arkansas have developed the first electrically injected laser using semiconducting material germanium tin. The diode laser offers improved micro-processing speed and efficiency at significantly lower costs.
Research by University of Arkansas sociologists found increased levels of depression, anxiety and suicidal tendencies during the early months of COVID-19's spread. Fear was identified as a key predictor of mental health outcomes, with higher concentrations of confirmed cases and death rates associated with increased individual fear.
Researchers at the University of Arkansas have developed a new nano drug candidate that kills triple negative breast cancer cells. The discovery aims to target breast cancer cells directly, reducing adverse and toxic side effects associated with chemotherapy.