Research suggests that selective breeding of maize led to the evolution of root systems more efficient in acquiring nutrients like nitrogen. The study found that newer commercial varieties performed better in every agronomic environment, with characteristics known to increase nitrogen uptake.
Researchers found that story details in games are critical to feelings of appreciation, while more meaningful games evoke heightened insights and enrichment. This study encourages game developers to invest in producing games with more interactive and poignant themes.
Researchers found that interactive tools can boost persuasiveness of websites, particularly modality interactivity, which absorbs users and limits thoughts, while message interactivity increases thoughts and promotes positive attitudes towards the message.
A team of scientists using NASA's WISE observatory has found no evidence of advanced extraterrestrial life in 100,000 galaxies. The study searched for signs of highly advanced civilizations in mid-infrared wavelengths, a radiation detectable by the satellite.
A workplace intervention increased employed parents' daily time with their children by an average of 39 minutes per day, found a study published in Pediatrics. The Support-Transform-Achieve-Results (STAR) program improved family life by increasing employees' control over schedules and supervisor support for personal and family lives.
Researchers developed an acoustic-based microfluidic device to separate circulating cancer cells from blood samples with high accuracy. The device uses surface acoustic waves to push CTCs out of the fluid stream, making it a potentially game-changing technology for non-invasive diagnostics and treatment monitoring.
The use of neonicotinoid insecticides increased dramatically in the US, primarily driven by corn and soybean seeds treated with the pesticides. Researchers found that at least a third of all soybean acres and over 79% of all corn acres were planted with neonicotinoid-coated seed by 2011.
A recent study by Penn State psychologists found that college students often disregard social norms when texting, with many admitting to sending texts during funerals, in the shower, or while having sex. The researchers suggest that breaking with these norms is too tempting for most students, who prioritize checking their texts over pr...
Researchers found that folic acid supplementation increased nitric oxide production in older blood vessels, improving skin blood flow and reducing cardiovascular risk. This inexpensive alternative to pharmaceutical treatments shows promise for helping older adults cope with environmental heat waves.
Researchers at Penn State and USGS use a new stream-based monitoring system to detect high levels of methane in Sugar Run stream, consistent with what would be found in shale gas. The findings show that stream monitoring is an effective method for assessing the environmental impact of extracting natural gas using fracking.
Research by Penn State College of Medicine found that maternal high-fat diets during pregnancy and lactation may prime offspring for weight gain and obesity. Neural activity involved in energy balance and appetite regulation was compromised, suggesting a link between maternal diet and obesity later in life.
Researchers discovered that honey bees use distinct mechanisms to fight off viruses, bacteria, and gut parasites, including the RNAi pathway and DNA methylation. The findings may help develop targeted treatments for honey bee colonies affected by specific infections.
Researchers suggest that increased schooling and mentally challenging problems tackled in schools contribute to the dramatic rise in IQ scores, known as the Flynn Effect. This finding supports the idea that environment plays a stronger role in intelligence than previously thought.
Researchers at Penn State Hershey Children's Hospital implemented Lean Six Sigma to reduce pediatric patient discharges without affecting readmission rates. The intervention significantly sped up discharges by 93 minutes, reducing ED boarding hours and financial losses.
Researchers found that teens tend to disclose information first and then seek help to mitigate risks, a different approach than adults who consider risks before taking action. This 'disclose-first-and-then-make-corrections' model may explain the privacy paradox observed in teens.
Researchers discovered that graphene's naturally occurring defects allow hydrogen protons to cross the barrier at unprecedented speeds, creating water channels. This breakthrough could lead to more efficient separation membranes for desalination and a new design for fuel cells.
Research reveals distinct patterns of substance use among white, black, and Hispanic teenagers, with notable age-related disparities. Cigarette use peaks later in life for African Americans compared to whites, while alcohol use is higher among males than females during adolescence.
Researchers have discovered the earliest known fossil of the genus Homo, dating back to 2.8-2.75 million years ago, in the Afar region of Ethiopia. The fossils provide insights into the environment and ecological community where early Homo lived, suggesting a mixed grassland habitat with gallery forests.
A recent study by Penn State researchers found that children of undocumented Mexican immigrants have a significantly higher risk of internalizing and externalizing behavior problems compared to their co-ethnic counterparts with documented or naturalized citizen mothers. The study used data from over 2,500 children ages three to 17 in L...
Climate scientists found that natural oscillations in the Atlantic and Pacific oceans contributed to a 'false pause' in global warming. The researchers discovered a sharply down-trending Pacific multidecadal oscillation (PMO) was the primary driver of this slowdown.
A study by Penn State researchers found that students from Catholic colleges were more reflective when discussing issues of faith and science, suggesting they may be better prepared to address evolution questions. The study suggests that incorporating faith into discussions about evolution can help build confidence in biology teachers,...
A study found that diverse small predators, like dragonfly larvae, reduce parasitic flatworm infections in frogs. The research suggests a link between dwindling global biodiversity and increased infectious diseases.
A recent study suggests that statins may not protect against Parkinson's disease, despite previous reports of a potential link. The research found no evidence that statin use lowered the risk of PD, and may even increase it over time.
Hydrogen sulfide has been found to widen blood vessels in healthy young adults, which could lead to decreased blood pressure. The researchers plan to investigate further by examining the effects of hydrogen sulfide on hypertensive individuals and high blood pressure treatments.
Researchers discovered that complex nerve-cell signaling genes evolved over 600 million years ago in the common ancestor of humans and sea anemones. This finding suggests that many mechanisms controlling electrical impulses in neurons were not present in the earliest nervous systems.
Researchers aim to balance personal data protection with global statistics benefits using differential privacy methods. This approach restricts analyses that reveal individual records, ensuring accuracy while preventing identification.
The 'Hockey Stick' graph, created by Michael Mann and colleagues, revolutionized the climate change discussion with its depiction of rising temperatures. Despite criticism, investigations have consistently upheld the validity of Mann's research, highlighting a crucial distinction between legitimate scientific debate and bad faith attacks.
Small farmers, often women, are preserving traditional crop varieties and landraces, providing vital resources for their livelihoods. Peri-urban and marginal locations are key areas where this preservation is occurring, with urban markets driving demand for local foodstuffs.
Researchers analyzed indicators of conflict and intergroup interaction in Eastern North America, finding that warfare varied widely over time and space. They identified patterns across extremely large areas, including fortified settlements and skeletal remains of warfare victims.
Researchers developed a microscale solar concentration technology that enables ultra-high efficiency solar cells to be used on rooftops. The system consists of miniaturized photovoltaic cells, 3D-printed lens arrays and a moveable focusing mechanism, reducing size, weight and cost while increasing power generation.
Researchers found that mice pretreated with low doses of green tea polyphenol EGCG had a 75% reduction in liver toxicity compared to untreated mice. This study suggests that chronic green tea consumers may be less sensitive to potential liver toxicity from supplements containing green tea extract.
A Penn State College of Medicine researcher proposes updating professional medical society guidelines to address when it is ethically justified to Google a patient. The proposed guidelines would help healthcare providers navigate the use of search engines in patient care.
Research found that both adult children and aging parents identify stubbornness in the other, with individual and relationship-based factors linked to perceptions. The study suggests a need for intervention to increase understanding and provides insights for practitioners on how to address stubborn behaviors.
A green tea compound may trigger a process in the mitochondria that leads to cell death, reducing cancer cell defenses. Researchers found EGCG selectively targets sirtuin 3 in cancer cells, causing oxidative stress and programmed cell death.
The study found that well-established rules for getting good sleep, such as limited caffeine and a regular bedtime, led to sufficient sleep quantity and adequate sleep quality. Reducing the encroachment of technology into sleep time is crucial to support well-known sleep hygiene principles.
A study found that giving employees more control over their work schedules can improve sleep quantity and quality, reducing the risk of chronic disease and early mortality. Participants experienced an average gain of nearly an hour of sleep per week compared to those without flexible scheduling.
Research suggests that spraying treated wastewater on land can diminish water pollution by filtering out endocrine-disrupting compounds, which can harm fish populations. Soils with more organic carbon accumulate higher levels of these compounds, but some break down instead.
Scientists tested 100 undergraduate students in a memory experiment and found that even simple pieces of information were often forgotten when not expected. However, participants performed better when the information was relevant to their current task. This suggests that people's expectations play a significant role in determining what...
A new study by Penn State geoscientists suggests that the Greenland Ice Sheet is melting at a faster rate due to rising temperatures, with potential global sea level rise of up to 24 feet. The study's findings highlight the importance of reducing greenhouse gas emissions to mitigate this effect and protect vulnerable communities.
A Penn State study found that a prenatal program aimed at enhancing couples' co-parenting relationship improved children's adjustment and school engagement at age seven. The intervention focused on fostering positive co-parenting, leading to better emotional security and well-being for the child.
Researchers found that users who share news on social media sites, especially those who engage with friends, are more involved with the content. Users who ask questions or seek opinions from friends show increased involvement, suggesting that developers should encourage discussions about shared content.
Researchers rely on imputation methods to estimate immigrant populations' legal status and insurance coverage, but these methods may deliver inaccurate results. Inaccurate estimates can lead to planning and implementation of policies with unintended consequences for local groups.
A five-year, $30 million NASA mission will measure atmospheric concentrations of carbon dioxide, methane, and other gases in the eastern United States. The study aims to improve detection and quantification of carbon sources and sinks using airborne, satellite, and ground-based observations.
Richard Alley has received the BBVA Foundation Frontiers of Knowledge Award in Climate Change for his pioneering research on abrupt climate change. He is recognized as a leading expert on ice and its implications for fast glacier flow and sea-level change.
A recent study found that incorporating one avocado per day into a moderate-fat, cholesterol-lowering diet significantly lowers LDL and total cholesterol levels. The researchers tested three diets, including one with an added avocado, and found the avocado diet to be more effective in reducing bad cholesterol.
A new model developed by Penn State researchers can accurately identify stream sections suitable for wild brook trout, helping fisheries managers protect habitat. The model uses characteristics like water temperature and soil type to predict brook trout occurrence in the eastern United States.
The Center will address four key topics: layered oxide ferroics, autonomously powered nano-motors, high-pressure electronic metalattices, and optically active particles. The grant supports 45 faculty members worldwide in interdisciplinary research.
A Penn State researcher developed a simple model to select the right-sized boulder to stop a truck traveling at 30 miles per hour. The model considers factors like soil density and boulder displacement, accurately predicting an effective boulder size for embassy protection.
Scientists at Penn State have discovered a miniscule vacuum gap that creates an energy barrier for electrons moving between layers of material. This gap is crucial for designing next-generation electronic devices, such as vertical tunneling field effect transistors.
A study by Timothy M. Ryan and Colin N. Shaw found that the agriculturalists had significantly lower bone mass than foragers, while the bone characteristics of more mobile foragers overlapped with those of nonhuman primates.