A new study reveals that early humans' unique heel-strike walking style allowed for efficient foraging strategies like hunting and gathering, but came at the cost of higher impact forces on bones and joints. This adaptation may have required later anatomical changes to enable safe and consistent walking.
A new study found that proteins with a certain type of structure are more likely to misfold and be targeted for removal, yet nearly half still evade the cellular maintenance crew. This can disrupt protein production and recycling, potentially contributing to aging and disease.
Researchers found that fish raised by fathers were more bold, sociable, and adventurous, indicating paternal care influences adult behavior. Paternal care also affected brain gene expression, suggesting a long-term impact on the fish's behavior.
A new study found that laws requiring notification of dense breast tissue led to modest increases in follow-up imaging tests, while insurance mandates had a significant impact, increasing ultrasound use four times. This study examined the influence of notification laws and insurance coverage independently.
Researchers at Penn State have developed a new approach to diagnose sepsis-causing bacteria in blood infections, which can rapidly identify the specific pathogens and ideal antibiotics. This new approach, called STREAM, enables faster diagnosis and treatment, potentially reducing antibiotic resistance and improving patient outcomes.
A historic drought in northern Kenya led to a shift in livelihoods, with fishing becoming a crucial source of food and income among the Daasanach community. The study found that drought can alter not only physical health and food access but also cultural norms and settlement patterns, with women experiencing greater hardship than men.
A study in birds found that physical activity in youth decreases energy used for moving as an adult, with significant implications for human health. The research, led by Penn State researchers, suggests that children who are physically active may become more efficient movers, making exercise more accessible and beneficial for adults.
Researchers found that natural gas drilling can lead to elevated radium content in local drinking water due to increased salt levels. This can pose serious health risks, including an increased risk of cancer. The study used private water wells and springs to collect samples and found a connection between drilling operations and radium ...
Astronomers discover that massive galaxies in the early universe contain more small stars than expected, challenging current understanding of galaxy formation. The study uses NASA's James Webb Space Telescope to reveal the hidden mass of low-mass stars in these galaxies.
Scientists at Penn State have developed a new method for seismic imaging using thunderstorms, which can be used to study the Earth's subsurface structure and image the subsurface without traditional seismic sources. This method allows for easier imaging in less accessible locations, such as the Arctic or urban areas.
The PennPoa startup, founded by Penn State professor David Huff, has developed a strain of Poa annua that delivers professional putting surfaces at a fraction of the cost. The strain, which takes 8-12 weeks to establish, has hardy growth, density, and a fast putting surface, making it an ideal choice for luxury courses.
Scientists have captured the first real-time glimpse of cellular machinery reading DNA inside a cell, revealing a more dynamic process than previously thought. The study used cryo-electron microscopy to map intact transcription complexes, showing variations in the RNA polymerase II subunits that were unexpected.
A study led by Penn State researchers found that controlling red and blue wavelengths of white light can impact how people experience indoor temperatures, with a 1.3-degree Fahrenheit difference possible. The study aims to reduce heating and cooling demands and improve energy savings by widening people's thermal comfort zone.
A recent study found that over half of US adults lack basic statistical understanding, despite a willingness to use statistics in decision-making if they knew more. The study suggests that a basic introduction to statistics can help people understand their own thinking better and become more informed consumers of science.
Researchers at Penn State have developed genetic 'switches' that can program 3D-printed bone tissue to grow blood vessels, enabling the regeneration of bone tissue in severe trauma or infections. The technique uses microRNA molecules to push cells down a differentiation pathway optimized for either tissue growth or vascularization.
Researchers found that hedge funds that effectively bet against public sentiment outperformed those that rode sentiment, earning a 0.4% monthly premium. This result persists even after controlling for fund characteristics and economic risks.
Scientists create a biomimetic zona pellucida coating called BZP to mimic the natural barrier on egg cells, protecting donor islets from the immune system and reducing blood sugar levels in diabetic mice for 100 days. This approach could lead to a promising commercial cell therapy platform for treating various diseases.
Pregnant women with a history of child abuse experienced increased inflammation when exposed to mild stress, associated with greater pregnancy complications, including premature birth. Mindfulness exercises may help pregnant women improve their health and reduce harm from childhood trauma.
Researchers found that lab variations can lead to inconsistent data, affecting AI model accuracy and reproducibility. The study highlights the importance of standardization in experimental design to improve data quality for machine learning models.
Researchers found that parents who ran with a stroller were less likely to sustain an overuse injury during the first three years after becoming a parent. For every 1,000 miles run, stroller runners saw a 55% lower injury rate compared to those who ran without a stroller.
A team of Penn State researchers has developed a synthetic enzyme mimic that can drive chemical reactions using oxygen, producing only water as waste. This breakthrough could potentially be used in sustainable industrial chemical syntheses and pharmaceutical drug development.
A new study by Penn State researchers found that strong social bonds and public recognition for achievements can reduce suicidal thoughts and behavior among teenagers. The study analyzed data from nearly 200,000 Pennsylvania teens and found that personal connections with family, school, and community can decrease suicide risk.
Researchers at Penn State and the USDA have identified 10 genomic variants associated with increased virulence in Marek's disease virus, a deadly illness affecting chickens. The study could inform the design of more effective vaccines that can prevent future breakthroughs.
A study by Dawood Darbar and colleagues found that rare genetic mutations converge with common genetic variants to disrupt the heart's electrical activity, leading to early-onset atrial fibrillation. This additive effect amplifies the risk of stroke and other cardiovascular complications.
A new study found that 98.2% of organically managed US honey samples met USDA contamination limits, comparable to imported certified organic honeys. Researchers tested 72 colonies on six large organic farms and screened their honey for 96 pesticide residues.
Researchers at Penn State will use the funding to develop new tools for investigating the genetics underpinning relationships between mosquitoes and various microbes. The projects aim to improve scientific understanding of mosquito-borne pathogens and eventually enable new discoveries that could help inhibit disease spread.
A middle school substance-use prevention program led to wide-ranging benefits well into adulthood, including better communication with romantic partners and better-adjusted children. Parents who participated in the program reported lower levels of family conflict and higher levels of family cohesion.
Researchers developed a soft, stretchable antenna that can maintain stable wireless connections even during movement. The antenna's design allows it to compensate for changes in shape and size, enabling wearable devices to track vital signs continuously and reliably.
Researchers at Penn State have created a material memory system where two types of memory coexist and compete. At lower intensities, the mixture retains both directional and amplitude memories. However, as intensity increases, one memory weakens and is eventually erased, while the other becomes dominant.
A study by Penn State researchers found that severe flooding in rural Appalachia can lead to a significant increase in opioid overdose deaths, persisting up to 10 years after the event. The study suggests that decreased access to treatment services, increased trauma, and persistent stigma are key contributing factors.
A Penn State research team found that wealthy taxpayers who take the standard deduction have become less likely to vote for local spending, including repairing or building infrastructure or community services. The study used over 1,500 school district referendum results in California between 2008 and 2022 and found a decline in approva...
A recent study found that patients perceive medical professionals as more credible when AI agrees with their diagnosis. However, disagreement can increase perceptions of medical uncertainty and doctor laziness. The researchers suggest strategies to communicate AI disagreement effectively and reduce patient mistrust.
Researchers at Penn State found that adjusting the atomic arrangement of structural metals in molten salt reactors can significantly affect corrosion rates. The study's findings highlight the importance of material stability and chemical interactions between salts, metals, and mechanical stress.
A six-month study found that regular avocado consumption was associated with a reduced concentration of low-density lipoprotein (LDL) particles in the blood, corresponding to an approximate 4% reduction in heart disease risk. This modest reduction indicates that anyone with obesity could benefit from avocado consumption.
Researchers at Penn State have developed paint-on tattoos that can power sensors and track health data like heart rate and brain waves. The innovative conductive ink can be customized with various colors and designs, providing a comfortable and accurate wearable solution.
A new five-year, $2.5 million grant will support a street medicine program serving unsheltered populations in urban and rural areas of southcentral Pennsylvania. The program aims to break down healthcare barriers and provide primary care within community settings.
Researchers have developed a novel quantum material that can naturally enable the study of non-Hermitian dynamics, a phenomenon where systems exhibit unusual behaviors. The material, a magnetic topological insulator, allows for the creation of electronic networks with direction-dependent connections, enabling the accumulation of states...
A national study found that pediatric mental health treatment patterns rebounded and exceeded pre-pandemic levels, driven by new patients seeking care. Antidepressant prescriptions rose significantly among girls, with a notable increase in the youngest children.
A new study found that women with unmedicated depression may struggle to regulate body temperature in hot weather, but those taking SSRIs respond similarly to healthy individuals. The research suggests that SSRI treatment can help depressed women tolerate heat stress more effectively.
A study by Penn State researchers found that certifying third-party repair services increases repair rates and helps brands retain market share. By signaling the value or 'unused utility' left in broken products, certified brand repair services increased repair leads with a 700% increase.
A new study by Penn State researchers found that employees who feel overqualified perceive assigned tasks as unfair and worthless. Being treated with respect by managers reduces these perceptions and improves work attitude.
Researchers at Penn State simplify black hole mergers by applying thermodynamic principles, achieving accurate predictions of the final remnant's mass and spin. The maximum entropy conjecture shows that the merging black holes' energy and angular momentum map onto those of a sequence of hypothetical remnants, reaching a maximum entropy...
A study published in Crop Science found that some corn plants have longer cells and deeper roots, enabling higher water absorption. This stretch phenotype can help breeders improve drought-tolerant crops. Researchers used computer simulations and microscopy techniques to confirm the trait's effects.
Researchers at Penn State have developed a new measure for entropy that is more closely tied to the black hole's physical properties of spin and energy. This allows them to extend the first and second laws of thermodynamics to dynamic black holes, enabling better understanding of their processes.
A team of Penn State researchers has converted waste polyethylene terephthalate (PET) into highly ordered synthetic graphite, a crystalline form of carbon. The formed graphite exhibited large, well-ordered crystallites, indicating a highly organized crystal structure, which is suitable for high-quality anode materials in battery research.
A team of researchers at Penn State developed a new design approach to reduce the cost of ultra-high-performance concrete (UHPC) by optimizing metallic fibers, which currently make up 70% of the material's price. The new design can help produce stronger and more environmentally friendly concrete while reducing costs.
Researchers at Penn State and NIST developed a new way to build tinier, smarter glass sensors filled with highly precise and stable atoms. These sensors can measure high-frequency electromagnetic signals, including millimeter-wave radiation, and offer improved navigation accuracy and reliability.
A new study led by Lisa Posey found that individuals prioritize avoiding losses and regrets over risk-return strategies in monetary decisions. Women are more likely to make decisions to avoid potential losses than men. The results suggest that understanding these biases is crucial for marketing products effectively or regulating financ...
A new study from Penn State researchers found that sending a simple acknowledgment message to customers can boost repeat participation in recycling and reuse programs, making sustainable behavior more sustainable over time. The study showed that acknowledgment emails tripled consumer participation in a dining service's reuse program.
Researchers analyzed TikTok videos discussing food noise, finding it's a relentless preoccupation with eating that affects daily activities. The study aims to bring evidence to differentiate between scientific claims and marketing purposes.