Researchers discovered graphene devices have different electronic properties at edges and centers. Edge conduction was found to be p-type, while the center exhibited n-type electron conduction. These findings offer insights into developing graphene nanoribbon devices and studying edge photocurrents.
Scientists at Monash University developed an x-ray imaging system that allows researchers to monitor the effectiveness of treatments for cystic fibrosis. This breakthrough enables non-invasive assessment of treatment efficacy on airway surfaces, accelerating development of new treatments.
A study found that preterm infants' ability to follow another's gaze emerges earlier than expected, implying the influence of early visual exposure. This challenges previous assumptions about cognitive development and suggests a potential link between visual experience and social cognition.
Researchers argue that 'transport taboos' such as frequent travel and lobby influence are driving contradictory policies. Politicians ignore evidence on effective solutions to cut emissions, instead relying on optimistic headlines about technological innovation.
A study analyzed all trials to date, finding that bivalirudin-based regimens increase the risk of heart attacks and stent thrombosis, while heparin-based regimens decrease bleeding risk. The magnitude of benefit was attenuated when glycoprotein IIb/IIIa inhibitor use was similar in both arms.
The National Science Foundation and the National Endowment for the Humanities have awarded over $4 million to support the documentation of nearly 40 endangered languages. These awards will build research infrastructure and encourage long-term collaboration with host countries, as well as involve significant community engagement.
A Baylor University study found that people living in countries with larger governments tend to be more content, regardless of wealth or socioeconomic status. The study analyzed data from 21 advanced industrialized countries and ranked them by satisfaction levels, with Denmark and Switzerland topping the list.
Tropical Storm Julio's strong thunderstorms have weakened, with cloud tops warming and dropping lower in the atmosphere. The storm is expected to continue weakening and lose its tropical characteristics due to cooler sea surface temperatures.
A new Penn Medicine study found that dopamine replacement therapy is associated with an increase in impulse control disorders and excessive daytime sleepiness in newly diagnosed Parkinson's disease patients. In contrast, fatigue improved with dopamine therapy, but depression remained undertreated.
A new study reveals seven tiny pieces of interstellar dust found in samples collected by the Stardust Interstellar Dust Collector, which traveled through space and returned to Earth in 2006. The discovery allows researchers to study contemporary stardust for the first time on Earth.
Hurricane Karina's vertical wind shear was evident in NASA imagery captured on August 14, with clouds being pushed to the western side of the storm. The National Hurricane Center predicts further weakening over the next two days as Karina moves over sea surface temperatures near 26C.
Researchers at Baylor College of Medicine have successfully incorporated a cream supplement into premature infants' diets, improving their growth outcomes in the NICU. The study found that adding human milk fat to an exclusive human milk diet enhanced weight and length gain in premature babies, indicating improved lean mass growth.
A new study from the University of Exeter challenges traditional views on magpie behavior, finding that these birds are not attracted to shiny objects. Instead, they exhibit neophobia, or fear of new things, when encountering novel and unfamiliar items.
Researchers at the University of Edinburgh have validated a set of guidelines that identify girls with cancer most likely to enter early menopause. These criteria will help select patients for ovarian tissue freezing, potentially allowing young cancer survivors to have children in the future.
The NIH Follow that Cell Challenge seeks tools to monitor a cell's behavior and function over time, potentially leading to earlier diagnosis and improved therapies for diseases. The challenge aims to generate creative ideas and methods for following a single cell's behavior, using multiple integrated measures.
More than 500 delegates from 62 countries have issued a call to action to address the impacts of climate change on human health and the global environment. The ecohealth community has developed a vision and commitment to action that will bring together existing efforts to respond to climate change.
Researchers will use innovative approaches to study how genetic sequence changes affect cells in the body, leading to diseases such as obesity, diabetes, and heart disease. The goal is to develop new therapies and improve treatment for these conditions.
Researchers have found that an antibody against EphA3 can slow tumour growth and kill cancer cells by disrupting blood vessels and the tumour micro-environment.
Researchers investigate possible Galileon-like theories with new kinds of symmetries, potentially describing systems near multi-critical points and superfluids. Non-relativistic systems like Goldstone bosons are also considered for potential applications.
SRAP markers exhibit high variability and are less technically demanding than traditional methods, making them suitable for various research fields including plant systematics, biogeography, conservation, and ecology. The new study suggests that these markers will be useful when paired with next-generation sequencing technologies.
Patients with low vitamin D levels are at increased risk of death and serious complications after noncardiac surgery. Higher vitamin D concentrations were associated with decreased odds of in-hospital mortality/morbidity, but the association was only statistically significant for cardiovascular complications.
The Lindau Meeting on Economic Sciences brings together Nobel laureates and young economists to discuss the scope of incentives, innovation, and growth. The meeting will explore how to encourage mass flourishing and dynamism in economics.
Researchers found an association between over-estimating medication self-administration ability and memory loss among stroke survivors. Assessing patients for their ability to estimate medication skills accurately may predict memory disorders.
Researchers at PRB, WSU, and DMC identify preterm labor as a syndrome caused by multiple disease states, including silent infections and maternal anti-fetal rejection. Studies show that administering vaginal progesterone can reduce preterm birth rates by 45%, highlighting potential therapeutic interventions.
A new algorithm developed by Hua-Wei Shen helps accurately allocate credit to researchers based on their contributions. The algorithm, which has been tested on 63 Nobel prize-winning papers, found that authors deserving of the most credit corresponded to the Nobel laureate in 81% of cases.
A large pooled analysis of seven studies involving over 25,000 individuals found associations between lung cancer and chronic bronchitis, emphysema, and pneumonia. Patients with co-occurring chronic bronchitis, emphysema, and pneumonia had a higher risk of lung cancer.
A new study by the University of British Columbia found that changes to B.C.'s impaired driving laws reduced fatal crashes by 21%, hospital admissions by 8% and ambulance calls by 7.2%. The study attributes these reductions to stricter penalties for impaired driving.
A UCSF study found significant price differences in common blood tests across California hospitals, with prices ranging from $35 to $7,303. Hospital ownership and teaching status explain some variation, but factors like location and labor costs do not.
New research suggests that bats' brains use the temporal binding hypothesis to focus on targets in cluttered scenes, which could inspire new navigation technology. By studying bat echolocation, scientists have developed a better understanding of how to design radar and sonar systems for real-time performance.
A recent study found that using active questioning techniques can significantly improve the accuracy of lie detection in interrogations, with experts achieving near-perfect results (97.8%) compared to non-experts. This suggests that simply watching or listening is not enough for effective deception detection.
Researchers at TUM developed TCP Stealth, a free software that inhibits identification of systems through Hacienda and similar cyberattack software. The software uses secret tokens to protect against remote control of servers worldwide.
Researchers found that gut bacteria can sway food choices by releasing signaling molecules into the gut, influencing physiological and behavioral responses. The microbiome's diversity of interests can be manipulated through diet and supplement changes, offering a tractable approach to obesity and unhealthy eating.
Researchers discovered that beetle scales scatter light efficiently to achieve ultra-whiteness, using a complex network of chitin filaments. This finding could lead to brighter, whiter materials for paper, plastics, and paints while reducing material usage.