SwRI scientists suggest that geologic activity brings nitrogen up from Pluto's interior to resupply its atmosphere. They also consider the possibility of cryovolcanism and ongoing geysers as sources of nitrogen.
NHS trusts under severe financial pressure are least likely to terminate expensive PFI contracts, warns expert. Alternative solutions, such as adjusting commissioner payments to compensate for capital costs, are considered more effective.
Researchers constructed an atomic model of an immature retrovirus, revealing key structural features and a six-helix bundle domain that may be a target for blocking the virus. This breakthrough could lead to the development of new anti-retroviral drugs.
A study by Scott Adler and Audrey Wong-Kee-You found that C-sections influence spatial attention in babies, slowing their ability to prioritize and focus on a particular area or object. In contrast, cognitive-driven attention remained unaffected.
Researchers have successfully implemented superposition of quantum gates, allowing for increased efficiency in quantum computations. This breakthrough could pave the way for faster quantum computers.
A national co-management intervention aims to improve person-centered care outcomes and decrease healthcare spending. The program, supported by the John A. Hartford Foundation, positions geriatrics professionals as co-leaders in pre- and post-operative management of older adults with fragility fractures.
Researchers found that gastric bypass surgery enhances energy expenditure, allowing patients to lose and maintain weight over time. The study used a metabolic chamber to track the body's energy requirements before and after surgery.
The book series will be published in six electronic issues per year, featuring topical review articles covering present and future trends in modern chemical research. This format allows for faster indexing, discovery, and citation of contributions.
A three-year clinical trial found no link between testosterone administration and atherosclerosis progression, sexual function, or quality of life in older men. The study suggests that testosterone should not be used indiscriminately by men, as it may not provide benefits for these outcomes.
A new study reveals that lager yeasts originated from a hybrid of two yeast species, Saccharomyces cerevisiae and S. eubayanus, with two independent origin events detected. The findings suggest that domestication for beer making has placed yeast on similar evolutionary trajectories multiple times.
Researchers found that therapists using Socratic questioning techniques led to substantial improvements in depressive symptoms for patients. The therapy involves guided questions to help patients re-examine their negative thoughts and gain a broader perspective.
A Lab-on-a-Disc platform developed by German and Irish researchers detects bacterial species causing urinary tract infections in 70 minutes, significantly reducing wait times compared to traditional methods.
Researchers found a potential biomarker, limonene, in breath samples of patients with cirrhosis, which gradually dropped after liver transplant. The study aims to develop a non-invasive diagnostic tool for early-stage liver disease diagnosis.
Researchers at Nova Southeastern University found that localized derby efforts are insufficient to curb the lionfish population, emphasizing the need for consistent removal across all areas of their habitat. The study recommends targeting all lionfish ages and sizes, as well as considering ocean currents' impact on larvae spread.
A 3-year testosterone supplementation study found no significant association between treatment and atherosclerosis progression. The trial also showed no improvements in sexual function or quality of life, despite increased hematocrit and prostate-specific antigen levels.
The researchers developed a new algorithm using geometric matching and machine learning to analyze style similarity in 3D objects. They achieved an agreement rate of 90% with human evaluations, making it a valuable tool for computer graphics applications.
Northeastern University researchers introduce a new metric called 'control energy' to characterize the effort needed to control real-world complex systems. This enables a kind of network cost-benefit analysis, allowing scientists to identify the minimum number of driver nodes required for input signals and optimize network control.
The International Association for the Study of Lung Cancer (IASLC) has selected 5 advocates to attend the 16th World Conference on Lung Cancer, where they will share and learn strategies to increase awareness. The recipients include Hildreth Grossman, Kathleen Mewhiney, Victor Lasebikan, Seda Kansu, and Tetsuya Yamaoka.
The Suomi NPP satellite captured a stunning night-time image of the Jerusalem Fire in California, revealing its massive size and location. The fire has covered over 12,000 acres and is being managed by Cal Fire.
Researchers discovered that chitosan, derived from insect and crustacean shells, can effectively destroy up to 90% of pathogens in selected cell cultures. This biopolymer has been found toxic to pathogenic microorganisms, disrupting their membranes without harming healthy cells.
Researchers found that the evolutionary loss of the worker caste in ants is not accompanied by a loss of genes. Instead, most genes are expressed in both queens and workers, but often at different points in development. Regulatory changes may have facilitated the evolution of sociality.
A new study from the University of Washington suggests that abusive children can exhibit either 'externalizing' (arguing, disobedience, fighting) or 'internalizing' (depression, withdrawal) behaviors, which are predictors of later criminal activity. Abused girls who internalize their emotions are more likely to commit crimes as adults.
Research suggests that stripes do not provide an advantage for animals living in groups when multiple targets are presented simultaneously. This contradicts the long-held assumption that stripes evolved to make it difficult for predators to capture animals moving in a group.
Hurricane Hilda's strongest winds were detected by NASA's RapidScat instrument on the storm's northern side, reaching speeds of 73 mph. The center of the hurricane is expected to bring heavy rain, life-threatening flash floods, and large ocean swells to Hawaiian Islands over the next few days.
A new study from WCS uses the Wisdom of Crowds method to assess the conservation status of the Manus green tree snail, a species found only on Manus Island in Papua New Guinea. The approach involves surveying a large number of people to generate estimates of the snail's range, distribution, and decline rate.
Researchers at the University of Wisconsin-Madison are developing a new approach called machine teaching, which uses sophisticated mathematics to model human learners and devise the best possible lessons. This method has immense potential to impact education by providing optimal, personalized lessons for students in various fields.
Scientists at NREL have successfully produced ethylene through photosynthesis using cyanobacteria, a breakthrough that could reduce carbon dioxide emissions and provide an alternative to traditional fossil fuel-based production. The method has been improved significantly since its initial discovery in 2010, with the goal of increasing ...
The Georgia State School of Public Health will conduct research on smoking prevalence and attitudes towards second-hand smoke in Fulton County. The project aims to inform efforts aimed at improving the environment around tobacco use and creating more smoke-free spaces.
Scientists applied over 50 volts across a weak hydrochloric acid drop, causing it to rise into the air above a glowing plasma layer. The effect is similar to Leidenfrost levitation but uses electricity instead of heat.
New studies at Johns Hopkins Medicine have made significant progress in developing a universally accurate diagnostic test for human herpes simplex viruses (HSV). Researchers also hope to create a vaccine that protects against the virus. The breakthrough is expected to improve screening tools, particularly in Africa where rates of HIV a...
A new genetic test developed at Stanford University School of Medicine can accurately pinpoint the likely genetic causes of heart conditions in just a couple of days. The test uses a streamlined assay that looks at just 88 genes known to carry mutations that cause heart problems, and costs about $100.
A study by University of California, San Diego researchers found that Medicare reimbursement for radiation therapy varies widely among patients with breast, lung, and prostate cancer. Factors such as provider type, location, and clinic type accounted for most of the variation in costs.
A study published in the Journal of Thoracic and Cardiovascular Surgery found that delaying surgery for severe mitral regurgitation until symptoms appear doubles the risk of postoperative mortality and heart failure. Early surgery, on the other hand, provides the best long-term outcomes, with lower mortality and congestive heart failur...
Researchers at Case Western Reserve University have developed a fast and inexpensive test to determine whether Asian carp invading Lake Erie are sterile or can reproduce. The technique uses microscopic examination of fish blood cells, allowing conservation agents to quickly identify problem animals and remove them from the population.
Research conducted in Denmark found that temporary confinement of hyperprolific sows can reduce piglet mortality, but only if done between day 114 of gestation and four days after farrowing. The SWAP pen has been developed to provide a confinement option for loose-housed sows, aiming to balance sow welfare and piglet protection.
Research reveals 87% of daytime alcohol adverts appear in sport TV, affecting hundreds of thousands of children. The study suggests stronger restrictions on alcohol advertising in sport could halve children's exposure to adverts.
Researchers found that vaccinated monkeys infected with SIV develop high levels of neutralizing antibodies in their blood but are still susceptible to infection. The study's findings challenge the long-held assumption that a protective vaccine only needs moderate antibody levels to neutralize the virus.
Researchers at UC Davis found that a novel combination therapy of Interleukin (IL)-2 combined with imiquimod and topical retinoid is highly effective in treating patients with skin metastases, resulting in complete clinical response and high survival rates.
Researchers at KAIST engineered an E. coli strain to produce 1,3-diaminopropane via fermentation, offering a sustainable alternative to petroleum-based processes. The production titer increased about 21-fold, with 13 grams per liter of 1,3-diaminopropane obtained through Fed-batch fermentation.
Tsarevsky's research focuses on developing methods to create large polymeric molecules with desired shapes, sizes, and functionalities. His work aims to produce materials that can be used in various applications such as chemical detection, tissue engineering, and electronics.
Research found that prolonged hypoxemia during the first 2-3 months after birth was associated with an increased risk of disability or death at 18 months in extremely preterm infants. The study also revealed that intermittent bradycardia did not significantly add to the risk of adverse outcomes.
Researchers at NYU Engineering have developed protein-engineered hydrogels that can replicate biochemical processes found in nature. These biomimetic materials could be used for wound healing and sensing applications.
Scientists at VIB and KU Leuven discovered polyglutamine repeats play a key role in functional development of cells. Excessive repeats cause neurodegenerative disorders, but moderate expansions may enable dynamic changes in cell physiology.
A recent NYU study found that top high school students experience chronic stress due to academic, social, and personal pressures. The research highlights the need for schools and families to address these factors to prevent mental health problems and promote college engagement.
A study analyzed clinical evidence of high-risk therapeutic devices approved through the FDA PMA pathway between 2010 and 2011, finding significant variation in the number and quality of premarket and postmarket studies. Only a few studies were completed, often focusing on surrogate markers and short periods of follow-up.
Researchers from the University of New Hampshire's Space Science Center use MESSENGER spacecraft data to investigate interplanetary coronal mass ejections, improving space weather prediction capabilities. The study sheds light on the speed and deceleration of ICMEs after their launch from the sun.
A new study by UK scientists found that geographically widespread animals are not immune to extinction during global mass extinction events. In contrast, they discovered that widely distributed animals are just as likely to suffer extinction as those with smaller geographic ranges.
NASA's Terra satellite detected a surge in thunderstorm development on Molave, leading to its regaining of tropical storm status. The storm is intensifying as it moves northeast, expected to reach peak intensity of 60 knots (69 mph) before becoming extra-tropical.
A new statistical model unveiled at the Joint Statistical Meetings in Seattle helps police analysts quickly identify crime series and apprehend suspects. The model uses machine learning algorithms to analyze crime data and predict the likely location of next events in a series.
Scientists from the University of Kansas are investigating how climate, plate tectonics and other factors influenced evolution by bringing species together in modern-day Turkey 42 million years ago. The study aims to shed light on the role climate change played in mammalian evolution and its relevance today.
A comprehensive analysis found that time since introduction is the most useful measurement in predicting non-native species' global ranges. The study highlights the importance of careful vigilance at sites receiving high numbers of potential invasive species delivery vectors.
Scientists have developed a new technology that significantly improves the ability to target specific faulty genes and edit them with healthy DNA. The method reduces off-target DNA binding, allowing researchers to produce gene editing tools that are 100 times more specific for their target sequence.
Scientists found that sigma 1 receptor helps regulate oxidative stress response in Müller cells, which support the retina. Removing sigma 1 receptor increases levels of reactive oxygen species, leading to vision loss and disease progression.
A study of over 83,000 veterans found that restoring normal testosterone levels through gels, patches, or injections reduced the risk of heart attack, stroke, and death. Men who achieved normal levels saw significant benefits in cardiovascular health, while those who did not attained normal levels did not experience similar reductions.
Researchers at University of Akron develop soybean oil-based adhesives that work in wet conditions, addressing a billion-dollar industry's need for sustainable materials. The new adhesives mimic mussel proteins' ability to stick even in harsh marine environments.
The 2015 Alaska fire season has seen a record-breaking number of acres burned, surpassing 5 million, with eight smokejumpers dispatched to address increased activity. The fires have been monitored using NASA's Terra satellite, capturing detailed images of the affected areas.
A new method, PrediXcan, uses transcriptome data to estimate gene expression levels and integrate with genome-wide association study (GWAS) data. This improves the detection of genes linked to complex diseases and biological traits.
NASA's Terra satellite captured a cloud-free image of Hurricane Hilda's eye on August 8, showing strong thunderstorms circling the center. The storm is expected to cause rough surf along east and southeast facing shores of the main Hawaiian Islands over the next couple of days.
Scientists at HZDR and TU Dresden create compact camera that enables precise filming of dynamic processes at the nanometer scale. The instrument combines advantages of two methods, allowing high spatial and temporal resolution.
The field of risk analysis is entering a new phase with real-time probabilistic risk analysis, enabling better management of complex systems. New methodologies and technologies are being used to predict risks and improve global resilience.