Researchers found that people in high-status leadership positions tend to prioritize security over privacy. However, the study suggests that good practices and sensible rules on security can enhance security without negatively impacting privacy.
Researchers found that Eastern cultures, such as South Korea and Japan, tend to customize mobile phones more than Western countries, valuing social fit and self-expression. Americans prioritize self-expression over fitting in with others.
Researchers found that Wolbachia-infected mosquitoes are more likely to transmit West Nile virus, despite initial expectations that it would block infection. The study suggests that releasing Wolbachia-infected mosquitoes into the wild may increase the risk of West Nile virus transmission.
A nationwide study found that letrozole increased live births by 27.5% compared to clomiphene, and improved ovulation rates and reduced twin pregnancies. Fewer side effects were reported with letrozole, but further research is needed for safety clarification.
Pregnant women are relying on internet search engines and social media for medical guidance, as they feel doctor's office literature is insufficient. The structure of prenatal care has changed little over the past century, leading to a disconnect between what healthcare providers offer and what patients want.
Research by Penn State scientists has debunked the existence of two controversial planets around dwarf star Gliese 581, which were believed to be prime targets in the search for extraterrestrial life. The study confirms that signals from the stars' magnetic activity, not the planets themselves, caused the initial findings.
Researchers used a statistical technique to downscale global climate models and found that population centers in cool, highland regions of East Africa may be more vulnerable to malaria than previously thought. The study suggests that fine-scale predictions can improve local adaptation and mitigation strategies.
Researchers found that malaria-infected mice are more attractive to mosquitos than uninfected mice, especially during recovery from symptoms. This altered scent profile may help identify asymptomatic carriers who can transmit the disease.
Researchers discovered that a virus called AAV2 can kill triple-negative breast cancer cells and tumors in mice, with no adverse effects. The virus initiates apoptosis, or natural cell death, without affecting healthy cells, offering new possibilities for treatment of aggressive breast cancer.
A new study by ecologists at Penn State found that grassland bird populations declined due to the loss of habitat, rather than insecticide use. The researchers analyzed population data from the US Geological Survey and found a strong positive association between CRP lands and grassland bird trends.
During the acute phase of H. pylori infection, the bacteria undergo accelerated evolution, accumulating mutations at a rate 30-50 times faster than during the chronic phase. This allows them to evade recognition by the immune system and survive, eventually establishing a chronic infection.
A research team led by Gong Chen has discovered a novel biomarker that targets excessive GABA inhibition in the brain's dentate gyrus, which correlates with poor memory performance in Alzheimer's disease models. Reducing this inhibitory neurotransmitter may lead to a new therapy for Alzheimer's disease.
Researchers found that heart rate variability can predict the risk of necrotizing enterocolitis in premature infants. The study showed that decreased high-frequency energy distribution was associated with increased risk, while higher values were linked to a lower risk. This discovery offers new hope for early detection and intervention.
Smokers who struggle to quit may have weaker response to rewards in their brains, making it harder to overcome nicotine addiction. Researchers used fMRI to study the striatal response to monetary reward in smokers expecting to smoke and those not planning to do so.
A study of adolescent friendship networks and smoking use over time found that friends exert influence on both starting and quitting smoking, but the influence to start is stronger. Nonsmoking friends are unlikely to provide resources needed to help their smoking peers quit, making peer pressure a significant barrier to cessation.
A recent study reveals that Caribbean corals and their algae form a stable relationship, which could be used to restore healthy coral in heat-damaged reefs. The research found that individual coral colonies often harbor only one strain of algae, suggesting that this partnership may not adapt to climate change.
Researchers found that over 40% of online shoppers buy additional products without extra value, influenced by pre-populated data and opt-in/opt-out tactics. The study highlights the effectiveness of post-transaction sales in luring consumers.
Astrophysicists at Penn State University have solved the Lunar Farside Highlands Problem, a long-standing mystery about the absence of maria on the far side of the moon. The researchers found that the difference in crustal thickness between the near and far sides is due to the moon's original formation process.
Researchers found that female mice deprived of dietary zinc before conception experienced fertility problems and had smaller, less-developed fetuses. Zinc deficiency caused a high incidence of pregnancy loss and delayed or aberrant embryo development.
Researchers propose that domestic dogs assisted early humans in killing mammoths, explaining the sudden appearance of massive mammoth kill sites. The hypothesis suggests that dogs' hunting skills and ability to guard carcasses increased human success rates.
A survey of 2,109 medical students found they have a sophisticated understanding of social media's risks and benefits, but struggle with navigating professional ethics. Medical schools are advised to provide guidance on using social media in a professional context.
Researchers found that conventional oil and gas development in northern Pennsylvania is altering bird communities, with songbird species being pushed out and generalist species taking their place. The study revealed changes in avian guilds resulting from oil and gas development, suggesting a loss of community uniqueness.
Researchers at Penn State have identified a pine bark substance, leelamine, that can simultaneously target multiple protein pathways in melanoma cells, shutting down their survival communication and leading to cell death. This unique approach may address the issue of resistance to current melanoma drugs.
Researchers at Penn State will focus on developing plasma photonic crystals and plasma-embedded metamaterials that operate in the terahertz range, enabling applications such as antennas with beam steering and filter devices. The project aims to replace traditional metallic split-ring resonators with low-loss dielectric resonators.
A nearly complete Paleoamerican skeleton with Native American DNA has been discovered in Mexico, dating back to the end of the ice age. The skeleton, named Naia, shows unique morphological attributes and mitochondrial DNA haplotype consistent with Beringian origins.
Researchers created a device that synchronizes two oscillating systems, enabling non-Boolean computing and potentially leading to more efficient information processing. This technology could lead to neuromorphic computer chips using only about one percent of the energy required by digital computers.
Researchers analyzed data on nearly 3,000 hospitals from 2006 to 2011, finding that financially weak and safety-net hospitals struggled to recover from the recession. Despite rebounding by 2011, these institutions continue to face significant financial gaps with non-safety-net hospitals.
A new measurement model reveals that human rights are actually improving, contrary to common claims. The model takes into account changes in data collection and categorization, showing more countries with better human rights records.
Research indicates that coyote predation on fawns in the East may not be significant enough to cause deer population decline, especially with reduced doe harvests. In contrast, extremely low doe survival rates combined with high fawn mortality support stabilization of Eastern deer populations.
Researchers have developed conducting polymer films decorated with biomolecules to facilitate cell growth, adhesion, and manipulation. The films are created through hydrogel stamps and can be tailored to various shapes, sizes, and surface properties.
Researchers discovered a fungus that can completely eradicate tree-of-heaven plants, including sprouts. The treatment has shown promise as a bio-control agent to combat the invasive species' rapid spread across the US.
Sprites form at plasma irregularities in the lower ionosphere, a phenomenon that can be useful for remote sensing of the region. The researchers used high-speed videos and fluid models to study sprite dynamics and determine the origin of the irregularities.
Researchers found that top-rated health and fitness apps typically use fewer than four behavior-change techniques, with most focusing on instruction, feedback, and goal-setting. The study highlights the need for developers to incorporate more effective techniques in their apps.
Researchers at Penn State have developed a new metamaterial with high absorption over broad bandwidth, providing better protection against electromagnetic radiation. The material is designed using genetic algorithms and can be easily manufactured due to its simple layer structure.
A team of researchers found a strong correlation between the number of insect species and the types of damage they cause to leaves in modern tropical forests. The study also compared these findings with fossil data from ancient settings, showing consistency in how insects have divided up their leaf resources over time.
Scientists have discovered several new species of Sub-Saharan African Ensign wasps that exhibit transverse fore wing folding, a unique mechanism previously seen only in earwigs, cockroaches, and beetles. This discovery has potential applications in aerospace and bio-inspired technologies.
A team of researchers led by David Hughes is studying the role of group size, complexity, and connectedness in driving infectious disease transmission. By analyzing ant colonies, they aim to develop strategies to reduce the spread of diseases, including those affecting humans in schools, hospitals, and farms.
Researchers developed antimicrobial edible films using pullulan and essential oils, which significantly inhibit bacterial pathogens in meat and poultry. The films provide immediate and sustained kill of bacteria, reducing the risk of foodborne illness.
Researchers at Penn State found that smokers who gained weight in past attempts to quit are less likely to seek treatment. Clinicians can address concerns about weight maintenance in treatment plans, suggesting a targeted approach to support quitters.
Penn State researchers found that older adults fear companion robots will negatively affect young people, leading to design challenges for developers. To address this concern, robot designers may need to include parental controls to monitor children's use of robots and prevent dependency.
Research suggests that social media companies can reduce stress and defections by giving users more control over new interfaces. Users who feel in control adapt better to changes by focusing on solving problems rather than emotions. Companies can improve site longevity by being responsive to user feedback.
Researchers found that mobile users tend to distrust sites with instant gratification messages, and are more willing to share sensitive information after viewing security alerts. This phenomenon suggests that users prioritize privacy over convenience in digital interactions.
Astronomers have discovered the coldest known brown dwarf star, located just 7.2 light-years from our solar system. The object, named WISE J085510.83-071442.5, has a temperature between -54 and 9 degrees Fahrenheit, making it even colder than previous record holders.
A team of astronomers has developed a viable model for the planetary system orbiting the star 55 Cancri, solving long-standing mysteries about the masses and orbits of its two giant planets. The study reveals that their particular masses and orbits are preventing the system from self-destructing anytime soon.
Researchers found that Partnering for Health Services, a clinic in Pennsylvania, saved $201,414 annually by lowering emergency room visits and admissions. The clinic's model also showed improved patient outcomes due to more frequent care visits.
Researchers found that different LED light sources render white differently, affecting product appearance. Participants struggled to distinguish between cards under blue-pumped LEDs, highlighting the need for spectrum engineering to accurately render whiteness.
A recent study found that severe droughts and repeated fires in the Amazon lead to high tree mortality rates, with 60% of trees dying in a single experiment. The researchers warn that climate change will exacerbate this issue, making it essential to implement policies and programs to control forest fires and prevent deforestation.
Scientists discover the first Earth-size planet in the habitable zone of a different star, confirming that planets like Earth exist elsewhere. The newly discovered planet, Kepler-186f, is 10% larger than Earth and located comfortably in its star's habitable zone, where liquid water could potentially exist on its surface.
Researchers found East African honeybees resistant to invasive parasites, but preliminary data suggests habitat loss and drought may be major factors driving colony declines. The study recommends protecting nesting habitats and native flowering plants to maintain healthy bee populations.
Researchers at Penn State have developed a method to manufacture porous silicon using solar energy, which can generate hydrogen from water when exposed to sunlight. The material's high surface area and nanoscale size enable it to act as an effective catalyst, aiding in the production of hydrogen gas.