Scientists find that altering the structure and assembly of cellulose can make it more easily broken down, leading to more efficient biofuel production. By modifying the synthesis process, plants can produce cellulose with fewer structured bundles, reducing the need for time- and energy-intensive industrial processes.
Achieving widespread reductions in preventable hospital readmissions among Medicare beneficiaries may take longer than anticipated. Fostering collaborative relationships among providers across care settings is key to reducing preventable readmissions, according to researchers analyzing the State Action on Avoidable Rehospitalizations i...
Researchers have empirically calibrated the Maya Long Count calendar to the modern European calendar using carbon-14 dating, offering a more accurate understanding of Maya dates relative to historic events. The study's findings suggest that climate change played an important role in the development and demise of the complex civilization.
A study by Penn State University researchers found that exposure to negative sentiment on Twitter is contagious, while positive sentiments are not. Microbloggers with reciprocal relationships tend to be influenced differently depending on the vaccine sentiments of their connections, with negative sentiments being more socially contagious.
Children with autism have excess duplicated DNA segments, which may affect the chances of developing autism. The research found a higher level of genetic changes, including common variants, in children with autism compared to typically developing children.
Researchers found that high ozone levels interfere with pollinators finding flowers and predator insects finding host plants. Insects rely on volatile organic compounds to detect odors, but ozone degrades these compounds, leading to confusion.
For the first time, scientists have demystified a key step in human DNA replication by discovering how a sliding clamp loads onto DNA. The research reveals that a clamp loader quickly removes the clamp from DNA when polymerase is absent, allowing the polymerase to capture and complete the assembly of the holoenzyme.
A randomized, controlled trial found that consuming monounsaturated fats in vegetable oils like canola oil lowered abdominal fat by 1.6 percent compared to other oil blends. This reduction in belly fat may decrease metabolic syndrome risk factors and heart disease risk.
Researchers suggest a more flexible understanding of the immune system's interaction with microbes, considering both pathogens and beneficial bacteria. The human body hosts ten times more bacterial cells than human cells, which play crucial roles in improving body functions.
The researchers designed nanostructured metamaterials that can control device performance across a range of frequencies. They achieved this by introducing nanonotches in the corners of the fishnet holes to create flexibility in independently controlling permittivity and permeability.
Scientists have sequenced and analyzed three lemur populations to guide conservation efforts, revealing significant genetic distance between northern and eastern aye-ayes. The study also compared human and lemur genetic diversity, suggesting the aye-ayes were separated for an extended period by geographic barriers.
Richard B. Alley, a renowned geoscientist, has been awarded the AAAS Public Engagement in Science Award for his outstanding contributions to popularizing climate science. His work has helped demonstrate that past regional to global climate changes occurred rapidly and significantly impacted the environment.
Only about one in five central Pennsylvania women who experienced intimate partner violence were asked or counseled by a health care provider about abuse. The study highlights the need for improved preventive healthcare services, particularly among women exposed to IPV.
A study using fMRI found that first-year college students' brains showed habituation to alcohol-related stimuli and alterations in cognitive control networks. Changes in neural connections may influence decision-making and judgment abilities. The research suggests that exposure to alcohol cues can disrupt brain development, particularl...
Parents can significantly reduce their teens' drinking during college by discussing alcohol with them before they start. The study found that pre-college conversations about alcohol had a lasting impact on students, while summer and fall conversations showed limited effectiveness.
Researchers discover that unhealthy eating behaviors can worsen moods in women without prior mood changes, leading to a better understanding of the relationship between emotions and eating. The study's findings suggest that this connection may play a role in the development and maintenance of unhealthy eating habits.
Researchers recalculated the commonness of Earth-sized planets in habitable zones of low-mass stars, finding nearly three times as many planets as previous estimates. The average distance to the nearest potentially habitable planet is about seven light years.
Researchers developed a new thin film technology that allows for simultaneous analysis of multiple substances, leading to faster and more efficient diagnostics. The device can detect changes in chemical composition using optical fingerprints, offering improved accuracy and reliability compared to existing state-of-the-art technology.
Research suggests autistic children are 28 times more likely to contemplate or attempt suicide than typical children, with demographics and behavioral problems being key risk factors. The study analyzed data from over 700 children with autism, finding depression was the strongest single predictor of suicidal ideation or attempts.
Astronomers have discovered the closest star system to the Sun, located 6.5 light years from Earth, making it an ideal target for planet-hunting expeditions. The star system consists of a pair of brown dwarfs, which are too small in mass to ignite hydrogen fusion.
A Penn State study reveals that only one in five central Pennsylvania women who have experienced intimate partner violence are asked or counseled by a healthcare provider. The research highlights inadequate preventive care services for women exposed to IPV, which can lead to serious immediate and long-term health issues.
Researchers found that committed farmers tend to do better than those who test the local market, capturing additional revenue through higher prices and improved sales margins. Farmers can start by meeting with chefs and shop owners, learning their needs and pricing.
Researchers evaluated an afterschool program called the Good Behavior Game, finding that high organizational ability and community involvement are key to its effectiveness. The study suggests that combining these elements can lead to improved implementation of evidence-based practices in afterschool settings.
Researchers are using engineering control theory to create complex brain models that can simulate neurological diseases. By simplifying these models and fusing them with real system measurements, they aim to develop more accurate treatments for conditions such as epilepsy and Parkinson's disease.
A new study published in the Proceedings of the Royal Society of London found that plant communities in the Arctic are more resilient to climate change when populations of caribou and musk ox remain intact. The research suggests that these large herbivores maintain plant species diversity, while warming reduces it.
Researchers found that hourly temperature data provides a more accurate estimate of malaria parasite development rate than mean monthly temperatures. This approach has implications for understanding and predicting malaria transmission risk in different climates and regions.
Researchers found that certain viruses and fungi work together with plants to improve drought and temperature tolerance. This collaboration is a key to sustainable agriculture and may lead to more natural methods of creating crops that are more heat, drought, and stress tolerant.
Researchers have designed a special material interface that enhances the functionality of non-silicon-based electronic devices, such as RAM and nanoelectronic components. The new method combines ferroelectric tunneling with magnetic tunnel junctions, resulting in a quaternary-state device with improved switching and storage power.
Research suggests that groundwater acts as a natural water filtration and purification system, removing excess nutrients and impurities from the earth's surface. The study highlights the need for better management of this critical resource to ensure clean drinking water and sustainable ecosystems.
Researchers studying ice sheet movement in Greenland and Antarctica have found that warming temperatures cause sea levels to rise. The speed of ice shelf movement has nearly doubled in recent years, leading to increased sea level rises and uncertainty about future projections.
Early humans lost hair to efficiently sweat away heat, later using decorative methods like tattooing and makeup to increase attractiveness. Researchers found evidence of early skin decoration through fossil records and molecular genetics.
As people move more often and become more urbanized, their skin color may lose its evolutionary advantage. With limited exposure to sunlight in cities, many people are at risk of a vitamin D catastrophe. Using vitamin D supplements is the safest way to address this issue.
Researchers are using statistical approaches to analyze climate change risks, including the Atlantic Meridional Overturning Circulation. Bayesian statistics is a key tool in quantifying uncertainty and predicting future events. Collaboration between disciplines is essential for advancing climate science and risk management.
Researchers found that wild plants with multiple viral infections remained healthy, suggesting a cooperative role for the microbe. The viruses were passed from plants to their offspring through seeds and may play a beneficial role in plant life, making them more resilient to extreme temperatures and drought.
Children who overreact to stressors may be at risk of becoming overweight or obese, according to Penn State researchers. The study found that kids with poor cortisol recovery after a stress test consumed more calories even when hungry, increasing their BMI and obesity risk.
Researchers create female emerald ash borer decoy using polymers, allowing for more efficient trapping and detection of male beetles. The decoy is 40% more effective than previously used methods, paving the way for swift control of the pest.
Researchers at Penn State University have developed a method to determine how to focus disease-control strategies based on individuals most likely to spread the infection. By analyzing classroom schedules and human-networking theory, they created a low-cost but effective way to predict disease outbreaks in closed groups.
A new study by Karl Zimmerer and colleagues found that small-scale farmers in Bolivia, Peru, and Mexico can successfully cultivate genetically diverse local crops alongside intensive agriculture. These farms often rely on remittances from migrant communities, which enables them to maintain agrobiodiversity maize.
Researchers identified a compound called TIC10 that stimulates the tumor suppression capabilities of TRAIL, inducing cancer cell death in mice. The compound is effective in cancer cell samples and cell lines resistant to conventional therapies, showing promise as a new treatment option for advanced cancer.
Researchers at Penn State have successfully created single layers of the rare mineral tungstenite, forming triangular structures that exhibit photoluminescent properties. These findings hold promise for various optical technologies, including light detection and laser technology.
A new study reveals that ozone depletion has a greater impact on the jet stream's southward shift than increasing greenhouse gases. Researchers analyzed wind patterns over a 10-day period and found that ozone depletion was associated with a poleward shift of westerlies, while greenhouse gases were linked to an equatorward shift.
A Penn State research team has developed a new model to determine whether discovered planets can support liquid water and life. The updated model suggests that habitable zones are farther away from stars than previously thought, potentially reclassifying some previously believed habitable planets as non-habitable.
A recent study found that free clinics significantly reduced non-emergency emergency department visits among uninsured patients. The research, conducted in Virginia, analyzed records of 52,010 individual uninsured patients who visited five hospitals' emergency departments over three years.
A team of researchers found that equipping people with disabilities with broadband technology can benefit society and reduce financial burdens on taxpayers. Building public-private partnerships to promote broadband access can help close the technological gap and empower individuals with disabilities.
Researchers analyzed studies on spring break from 1980 to 2010 and found no conclusive evidence of increased extreme behaviors. Instead, they suggest that campus behaviors are a good predictor of how students will act during spring break. The media portrayal of spring break may not accurately represent the full experience.
Researchers found no link between dietary patterns and cardiovascular disease, diabetes, or metabolic syndrome in older adults. However, a Western diet was associated with an increased risk of hypertension. The study suggests that overly restrictive diets may not be beneficial for older adults.
A new adhesive, iCMBAs, adheres well in wet environments, has controlled degradability, improved biocompatibility, and lower manufacturing costs. The bioahesives are non-toxic, control inflammation, and can be tailored to degrade over specific periods.
Researchers found that living in a caring community can help curb teenage alcohol use, while hanging out with antisocial peers can increase the risk. The study analyzed over 200,000 students and discovered that individual, family, and peer risk factors as well as community protective factors moderately predicted alcohol use.
Despite a significant increase in overweight and obese Americans, primary care physicians have decreased weight counseling services, especially for patients with high blood pressure and diabetes. In 2007-2008, only 6.2% of visits included weight counseling, a decline from 1995.
A study found that radiologists' performance improves when reading images for a specific hospital, rather than multiple hospitals. This suggests that outsourcing radiology services can be beneficial, as long as the outsourcing company designs the work to maximize productivity and customer specificity.