Researchers found that storing spinach at 39 degrees Fahrenheit slows down nutrient loss compared to warmer temperatures. The study's findings have implications for the shipping process, where produce is often kept at warm temperatures for extended periods.
A recent study published in Nature found that genes on the inactive X chromosome can escape inactivation and be expressed in females, leading to a stronger overall concentration of particular genes. This discovery could explain some of the differences between men and women that aren't attributable to sex hormones.
Researchers analyzed 7,000 job-related queries and found that online job searches have a higher percentage of non-relevant returns (60%) compared to general web searches (50%). The study suggests that company web sites need re-design to highlight geographical information and use user-friendly terms for better search engine indexing.
Researchers found that rotating black holes can cause negative refraction in electromagnetic radiation, affecting our knowledge of the universe. This discovery highlights the importance of considering gravitational forces when studying the origin of the universe.
A new tumor-suppressor gene called mats has been discovered by researchers at Penn State, which works with another tumor suppressor to control tissue growth. The study found that the mats gene can shrink tumors in flies and may regulate cell number and tissue growth by restricting cell proliferation.
A new study by Penn State researchers suggests that elderly residents do not necessarily reduce school tax bases, but policy changes like property tax rebates can decrease spending. The study found that loyal senior citizens willing to pay higher taxes for the school district can support educational funding if they feel an emotional at...
Researchers found that curious female rats with spontaneous breast or pituitary tumors lived an average of six months longer than cautious ones. The study suggests that personality traits may have a significant impact on health and resilience to disease, consistent with earlier findings in human studies.
Ultra-cold atoms can help researchers understand quantum systems, including superconductivity. The atoms' interactions can be precisely calculated and controlled.
The end-Permian extinction was caused by a combination of factors, including volcanic carbon dioxide emissions, which warmed surface ocean water. This reduced the amount of oxygen available in the deep oceans, leading to an increase in hydrogen sulfide production and ultimately, mass extinctions.
Research suggests Arctic sea ice is shrinking, contradicting current climate models. Mountain glaciers are also losing mass due to temperature changes, raising concerns about sea level rise.
Researchers warn that economic models of climate change often neglect potential threshold responses, leading to biased policies. The development of observation systems that can detect early warning signals about these events could improve climate policies and have significant economic benefits.
Researchers developed an automated, personalized assistance system that monitors users' query patterns and provides help in finding needed information. The system achieved a 54% implementation rate among college students, outperforming passive help systems.
Scientists have discovered how climate change causes simultaneous increases or decreases in abundance of multiple species within a large geographical area. A study found that severe weather conditions directly affect the transmission of parasites, which drives populations into synchrony.
A new software developed for the U.S. Marine Corps helps organizations prioritize resources and allocate funds to protect critical infrastructure from terrorist attacks. The system considers factors such as protecting people, mission importance, and acceptable risks.
Deep-sea tubeworms have adapted to thrive near hydrothermal vents by binding hydrogen sulfide molecules with zinc ions in their hemoglobin. This discovery could lead to the development of new oxygen carriers and medical applications.
A survey of 74 students found that subordinates were more likely to use name avoidance towards their boss's boss and CEO compared to immediate supervisors. This phenomenon is rooted in socialization patterns and the tendency to rank lower in organizational hierarchies, creating tension between power and equality.
Researchers found that UTI-causing E.coli strains matched genetically with bacteria from cows and are resistant to antibiotics. The discovery has major public health implications due to the practice of administering subtherapeutic antibiotic doses in animals.
Parents can significantly boost their credibility in drug talks with teens by offering personal examples of how drugs affected them or their loved ones. Regular communication and ongoing socialization efforts are key to helping teens make healthy lifestyle choices, including avoiding peer pressure and drinking safely.
Astronomers have discovered the smallest extra-solar planet to date, orbiting a pulsar in a planetary system resembling our own inner solar system. The new planet is estimated to be one-fifth the mass of Pluto and has an orbit approximately six times larger than its third planet.
Researchers developed a new method to evaluate complex systems, finding four types of benefits: measurable, tangible, intangible, and unrealized. The scenario-based evaluation (SBE) approach encourages consideration of contextual factors and provides rich recommendations for system redesign and organizational initiatives.
The Swift satellite's Ultraviolet/Optical Telescope (UVOT) has captured an image of the Pinwheel Galaxy, revealing regions of star formation in the galaxy's spiral arms. The UVOT will also help scientists determine the distance to closer gamma-ray bursts and study their afterglows.
A study published in the Journal of the American Dietetic Association found that preschoolers who consumed more fiber had more nutrient-rich diets. Experts suggest increasing fiber consumption through whole-grain products and high-fiber cereals to support healthy growth and development.
Researchers have developed a model that accurately recreated the series of events surrounding the Prestige oil spill, highlighting its potential for future cleanup and analysis. The study's focus on asphaltenes and resins not easily degradable underscores the need for efficient containment strategies.
A recent linguistics study found that people from different cultures use varying numbers of emotion words, with a greater emphasis on negative emotions. The researchers discovered that older adults tend to have more diverse vocabularies when describing their emotional experiences.
Researchers discover how genetic and environmental factors influence racial health disparities, highlighting the importance of personalized treatment approaches. Studies show that genetic contributions play a larger role in blood pressure differences among African Americans than previously thought.
Researchers have discovered two candidate planets orbiting white dwarfs, which are the remnants of dead stars. The team used a combination of telescopes to detect these planets, which could provide clues about the solar system's formation and the presence of life in the galaxy.
A research team has discovered clusters of aluminum atoms that exhibit chemical properties similar to single atoms of metallic and nonmetallic elements when reacting with iodine. The discovery enables the creation of unique compounds with distinct properties.
The LISA mission will detect low-frequency gravitational waves from the merger of compact objects like stellar-size black holes and neutron stars. By measuring tiny changes in the motion of freely falling test masses, scientists can study these events with unprecedented precision.
A study by Penn State found that high added sugar intake in preschoolers leads to low consumption of essential nutrients and food groups. Children with high added sugar levels had the lowest intake of vitamins, minerals, grains, vegetables, fruits, and dairy products.
A recent study found that most physicians prescribed potentially inappropriate medications for elderly patients, but adding awareness and education led to changes in prescribing practices. The researchers suggest using tools like the Beers criteria to identify these medications and plan interventions to improve elderly care.
Researchers found that power lines can achieve near-gigabit per second transmission rates under ideal conditions, making them a potential alternative for broadband internet in rural areas. However, engineering issues such as impedance matching and interference need to be addressed to make this technology economically viable.
The Swift X-ray Telescope has successfully captured its first gamma-ray burst afterglow, marking a significant milestone in the mission to understand these mysterious events. The telescope will help scientists pinpoint the location and nature of the explosion, providing crucial clues about the origins of gamma-ray bursts.
A study by Dr. David V. Day and colleagues found that NHL players who held the captaincy position outperformed their peers without such responsibilities. The researchers attribute this improvement to the culture of leadership promoted in the league.
The CALIPSO project is the first volcano monitoring system of its type installed at an andesitic volcano. By comparing measurements with a computer model, researchers can understand what's happening beneath the surface. The goal is to measure magma reservoir size, magma inflow, and magma characteristics.
A hidden fault under Marin County, California, could significantly increase the earthquake risk in the San Francisco Bay Area. Researchers believe that a blind thrust fault, which is difficult to detect until an earthquake occurs, may be transferring motion from the northern Hayward fault to the San Andreas fault.
A study by Penn State researchers reveals that repeated abuse can have a significant impact on bystanders, causing moderate to severe psychological and physiological repercussions. The study found that bystanders experience elevated emotional arousal when recalling past episodes of abuse, similar to victims.
A recent study suggests that Akt3 protein is key to melanoma's resistance to chemotherapy, promoting tumor cell survival and development in 43-60% of non-inherited melanomas. Lowering Akt3 activity can reduce tumor-creating potential and make cancer cells more susceptible to signals inducing apoptosis.
A new method automatically extracts acknowledgments of funding agencies, institutions, and individuals in computer and information science papers. The study finds NSF leads in citations, while DARPA funds established researchers with high impact work.
A new typeface called Clearview has been approved by the Federal Highway Administration (FHWA) for use on public roads in the US and Canada. The Clearview typeface offers a 20% improvement in legibility and recognition with the same size sign as currently used, reducing driver confusion and increasing safety.
A study found that minority teens perceive their own ethnic groups using more drugs than others, but this perception is influenced by their sense of identity. In contrast, White youth tend to underestimate the prevalence of drug use among other racial groups.
Scientists report that marine benthic diversity in Laurentia recovered to pre-extinction levels within 5 million years, nearly 15 million years sooner than suggested by global compilations. This rapid recovery suggests that the region operated differently from the globe as a whole.
Scientists at Penn State have observed extended chains of phenylene molecules that align and interact without forming chemical bonds, paving the way for controlling growth and assembly of molecules. This discovery could lead to manipulating nanostructured materials with unprecedented precision.
A study found that nearly one in five commercials during televised major sporting events show unsafe behavior, with bicycles ridden without helmets being depicted frequently. The study also revealed that 14% of commercials showed unsafe behavior, while 6% displayed violence, mostly in movies and TV programs.
Researchers from Penn State found that eating more water-rich foods and choosing reduced-fat options can lead to significant weight loss. In two studies, obese women who followed low-energy-density diets lost an average of 21 pounds compared to those on restricted fat intake diets.
Penn State researchers are conducting a project to develop a technique for detecting mine voids using seismic signals. The initiative aims to locate and record voids near existing coal mine tunnels, which could help prevent flooding incidents like the Quecreek disaster.
Researchers found that reducing food energy density by 30% led to a 23% decrease in daily calorie intake, while reducing portion size by 25% resulted in a 12% decrease. Women experienced no significant differences in hunger or fullness ratings despite these changes.
Researchers have confirmed the existence of an odd-parity superconductor, a new electronic state in materials that can carry electric current without resistance. The strontium ruthenate Sr2RuO4 SQUID experiment provides direct evidence for this previously theorized but never demonstrated state.
QFilter uses non-deterministic finite automata (NFA) to filter out parts of queries asking for unauthorized access, significantly improving query-response time. The technology offers a practical solution to the ongoing problem of database access controls without requiring substantial changes to existing databases.
A new framework for assessing multi-user, computer-supported cooperative systems is proposed by researchers at Penn State. They found that students who had better awareness of their collaborators' activities were more effective in collaborating on science projects. The study introduced new system features to support improved awareness ...
Researchers found that oxygen in the atmosphere appeared at least 100 million years before its supposed debut with the carbon cycle perturbation. The discovery suggests a complex process involving mantle plume volcanoes and cyanobacteria, leading to an increase in oxygen levels over millions of years.