Researchers observed a dramatic reduction in the time taken to emit the first x-ray as the number of x-rays increased, in good agreement with Dicke's prediction. This behavior is consistent with the concept of superradiance, where a group of atoms emit light at a faster rate than a single atom.
Researchers at Johns Hopkins University found that exposure to coarse particulate matter increases the risk of asthma and hospitalizations in children. For each microgram/cubic meter increase in coarse particulate matter, asthma diagnosis increased by 1.3 percent, emergency room visits for asthma by 3.3 percent, and hospitalizations by...
A study led by Stanford University School of Medicine found that higher blood sugar levels in early pregnancy are associated with a greater risk of congenital heart defects in babies. The researchers analyzed data from over 19,000 pregnancies and found a significant link between blood glucose levels and the risk of heart defects.
Researchers at UTA and UVM have developed a novel group-delay-managed nonlinear-optical medium, enabling simultaneous all-optical regeneration of multiple WDM channels by a single device. This breakthrough could lead to cheaper and more energy-efficient high-speed internet communications.
New research found that coarse particulate matter increases the risk of asthma diagnosis, ER visits for asthma, and hospitalizations in children. The study analyzed records of over 7 million children in Medicaid and found a strong association between PM10-2.5 exposure and asthma-related outcomes.
A recent study found that the majority of women with breast cancer report not feeling completely informed about their treatment options. The study suggests that patients often prioritize making a quick decision over thoroughly researching their options. To address this issue, researchers recommend providing consistent, reliable informa...
The Conversational Intelligence Challenge Finals saw six teams compete, with two winning teams developing modules for processing different scenarios and a command module that decides which routine should step in. The competition aimed to work out approaches for chatbot evaluation and human-to-machine dialogue collection.
A new MOF has been created with a responsivity rate of 2.5 x 10^5 amperes per watt, making it suitable for use in solar cells and other photoactive materials.
The journal Bioelectronics in Medicine explores the innovative field of bioelectronic neural prostheses, aiming to revolutionize healthcare. The first issue features articles on vagus nerve stimulation, neuromodulation, and peripheral nerves, among others.
A Penn State research group extended its food safety training program to Armenia, showing significant improvements in students' knowledge, behavior, and attitudes towards food safety. The project aims to replicate the program in Ukraine, Africa, and Latin America to combat global foodborne illness.
The new chip design enables millions of qubits to be integrated and processed simultaneously, solving complex problems exponentially faster than conventional computers. The UNSW-led team's innovative approach incorporates error-correcting codes and sophisticated protocols to control the vast array of quantum bits.
A new optical-fiber-based laser enables detection of chemicals by analyzing reflected light patterns. The device uses a broadband infrared supercontinuum laser to identify substances based on their chemical signature.
A genetic analysis of 33 Candida glabrata strains found that they can reproduce sexually, exchanging genes that may lead to drug resistance. This discovery sheds light on the evolution of candidiasis and highlights the need for a more diverse approach in studying this pathogen.
Space Station Research Explorer on NASA.gov provides a tailored experience for scientists and enthusiasts, offering thousands of investigations, results summaries, and in-orbit photographs. The new tool features improved search capabilities, social media sharing, and bookmarking options.
Dr. Anand Puppala's patented sensor system uses an integrated moisture sensor and time domain reflectometry probe to detect soil heave in high sulfate soils, allowing for early detection and potential cost savings.
Researchers from Lancaster University are developing an app to tackle social isolation and loneliness in older adults. The app will provide users with information on local social opportunities and real-time data on factors that discourage outdoor activity, such as weather and daylight levels.
A study of 1,079 older adults found that 52% had vitamin D levels below 50 nmol/L and 27% had low vitamin B12 levels. Regular intake of vitamin-containing supplements can improve levels, but a healthy diet is essential.
Researchers at Columbia University Irving Medical Center found that wearing amber-tinted lenses before bed can improve sleep quality in individuals with insomnia. Participants wore wrap-around frames with amber or clear lenses for seven consecutive nights, resulting in an average of 30 minutes extra sleep and improved insomnia severity.
Dereje Agonafer's election as an NAI Fellow marks the highest number of NAI Fellows at any university in Texas. He is a renowned expert in thermal engineering and has developed innovative cooling systems for high-power chip stacking.
A study found that concentration fluctuations are enhanced by thermal convection in mixtures of high and low viscosity liquids. Immobile regions are also formed during this process due to the large viscosity difference.
Scientists at the University of Leeds have found that an old antibiotic candidate, pentyl pantothenamide, can stop E. coli growth but not kill it, making it effective against a specific type of bacteria. The discovery opens up the possibility of designing new drugs using the same mechanism to attack other disease-causing bacteria.
A study on late Permian ecosystems sheds light on biodiversity and species distribution near the equator. The research found an unusual variety of species in fiery, hot deserts, challenging the assumption that tropical regions are diversity hubs.
Scientists developed an efficient process to turn captured CO2 into syngas, a mixture of H2 and CO that can be used to make fuels and chemicals. The new process uses switchable polarity solvents to control what molecules dissolve in the solvent.
A new imaging technique allows for true 3D imaging at the nanoscale with a resolution of 30nm. This breakthrough has potential applications in fields like materials science, physics, and medicine.
Scientists from Friedrich Schiller University Jena have developed nanoparticles that transport antibiotics more efficiently to their destination, killing off pathogens without problems. The particles are able to penetrate thick layers of mucus and biofilms, making them a promising solution against antibiotic resistance.
Researchers at BIDMC used AI to develop an automated microscope system that can quickly and accurately identify images of bacteria, reducing the reliance on human clinical microbiologists. The system achieved nearly 95% accuracy in identifying three types of bacteria, paving the way for a future diagnostic platform.
A team of researchers at ETH Zurich has directly observed collective quantum modes in a quantum simulator, revealing the behavior of Goldstone and Higgs modes. This breakthrough sheds new light on fundamental phenomena like magnetism and superconductivity.
Researchers mapped genetic mutations in GPCRs and found that 3% of population have receptors with altered drug effects. The study estimates an economic burden of at least 14 million pounds annually on the UK National Health Service.
Researchers have identified a potential therapeutic target for aggressive breast cancer cells lacking estrogen receptor alpha, but expressing estrogen receptor beta. Estrogen or estrogen-like chemicals can slow tumor growth and even cause regression in these cells, which could lead to new treatment options.
Researchers found that mature cells can revert to a stem cell-like state, carrying accumulated mutations that predispose them to developing into precancerous lesions. This new understanding could lead to the development of treatments targeting mature cells, potentially preventing cancer recurrence.
Researchers developed trapped-ion quantum error correction protocols to detect and correct processing errors, enabling the creation of larger quantum computers. The study suggests that today's quantum computer prototypes can meet specific criteria with current ion-trap technologies.
Researchers at University of Warsaw develop high-capacity quantum memory, storing up to 665 quantum states of light, using spatial multiplexing and magneto-optical trap. The system is resilient to decoherence, enabling complex manipulations of atomic states.
Human emissions of vanadium have spiked since the start of the 21st century due to heavy oil use, surpassing natural sources combined. The health risks of airborne vanadium particles are not well documented but may impair respiratory functions and exacerbate conditions like asthma.
A large multicentre study found that community screening for osteoporosis using bone mineral density measurements and a questionnaire led to a 28% reduction in hip fractures among older women. The approach is estimated to prevent one hip fracture for every 111 women screened.
Researchers have developed a theoretical model that explains the interaction between ions and electrons in PEDOT:PSS, a widely used conducting material. The model has implications for applications in printed electronics, energy storage, and bioelectronics.
Researchers at Lancaster University found that 10-week-old babies who practiced 'reflex walking' showed a stronger brain response when watching humans walk compared to those who didn't. The study suggests that experience can refine the perception of biological motion in early infancy.
Researchers explore the use of nanoparticles, microneedle patches, and polymer particles to enhance vaccine effectiveness and delivery. These innovative biomaterials may improve responses in HIV, cancer, and autoimmune disorders, reducing medical waste and expanding vaccine accessibility.
The project PoupeMais, developed by MGov Brasil, aims to educate 10,000 account holders in Brazil about healthy financial habits and reduce indebtedness. The startup uses SMS and reverse-charge calls to collect data and evaluate the impact of financial education messages on consumption decisions.
The study found over 5,800 individual Zanzibar red colobus monkeys, three times more than previously thought, with a higher proportion living in protected areas. However, the population is declining due to low survivorship of young animals, deforestation, and hunting.
Farmers in the Northeast are adapting to longer growing seasons and warmer climate conditions, but may face financial losses due to delayed planting and increased disease problems. The region has seen a 71% increase in extreme precipitation events, which can lead to crop failures and reduced yields.
The ESMO Position Paper emphasizes the need for patient-centered care in cancer treatment, addressing physical, psychological, social, and spiritual needs. It calls for increased awareness, research, education, and resources for supportive and palliative care.
Researchers found a specific fusion gene in cutaneous squamous cell carcinoma lesions exposed to the sun, which may play a role in cancers caused by ultraviolet irradiation. The discovery could lead to improved diagnostics and therapies for this type of skin cancer.
Scientists at Argonne National Laboratory have made a breakthrough in understanding the Criegee intermediate, a key chemical able to break down sulfur dioxide and nitrogen dioxide. The research improves models for atmospheric chemistry and validates a major theory for predicting chemical reactivity.
A team of researchers from the University of Pennsylvania has discovered a molecule that can suppress the lethal form of infection in a mouse model of Strongyloides stercoralis. By using this molecule, they were able to prevent the formation of larvae that trigger a persistent cycle of infection in the host.
A 1996 paper by Robert Howarth and John A. Downing quantified the relationship between human activities and nitrogen entering coastal oceans, identifying fertilizer and atmospheric deposition as key contributors. The study's findings have had long-lasting relevance, driving future research directions in nitrogen biogeochemical cycling.
Ontario students are drinking, smoking, and using drugs at the lowest rates since the Ontario Student Drug Use and Health Survey began. However, new data on fentanyl use raises health risks for this potent opioid drug.
Child welfare workers lack effective assessment tools for identifying chronic neglect, a critical predictor of child well-being. The study identifies hazardous housing, mismanaged finances, and domestic violence as key predictors of chronic neglect.
Scientists develop single-stranded DNA origami, a breakthrough in nanotechnology that can create complex structures without knots. The technology has potential applications in medicine, including delivering drugs inside cells.
New research reveals the East Antarctic Ice Sheet has undergone significant growth and shrinkage over millions of years, with frequent intervals of open water along the Sabrina Coast. This dynamic behavior is a concern as climate change raises global air temperatures and could lead to dramatic ice mass loss.
A study published in the American Journal of Psychiatry found that ketamine was significantly more effective than a sedative in reducing suicidal thoughts in depressed patients, with improvements occurring within hours. The treatment showed promise as a rapidly acting treatment for reducing suicidal thoughts in patients with depression.
Researchers developed a new tool to sequence chloroplast DNA from hundreds of plants at once, allowing for accurate tracking of seed dispersal across landscapes. This method has significantly reduced the costs of genetic studies, enabling biologists to investigate plant populations and their movements.
Long-lasting compounds still dominate the outlook for ozone recovery, despite regulations by the Montreal Protocol. Short-lived compounds from human sources are expected to have minimal impact on ozone recovery due to their short lifetimes.
Researchers at Chapman University found that hagfish skin is not puncture-resistant due to its flaccid nature. The slime released after attack plays a crucial role in defending against shark bites, showcasing the unique defensive strategy of these ancient eel-like animals.
The study reveals that the Sumatran rhinoceros population declined significantly around the middle of the Pleistocene, approximately one million years ago, due to climate change and habitat loss. The effective population size was reduced from an estimated 57,800 individuals to just 700 by 9,000 years ago.
A recent study by Tara C. Smith, Ph.D., found a higher-than-expected prevalence of Staphylococcus aureus and methicillin-resistant Staphylococcus aureus (MRSA) at beaches around Lake Erie. The study revealed that MRSA levels were more than 40% higher in the summer when beaches are most heavily used.
Researchers at Hong Kong Baptist University developed a new generation of smart anti-cancer drug molecules by connecting a tumor-targeting aptamer with a plant-derived cytotoxic drug. The resulting aptamer-drug conjugate shows excellent antitumor activity and decreased toxicity in experiments using a mouse model.
Researchers from MIT's CSAIL team show that keeping an equal distance between cars reduces traffic jams, enabling drivers to reach their destinations almost twice as quickly. The approach, known as bilateral control, could be achieved through software and hardware updates, without requiring extensive infrastructure changes.
A groundbreaking gene therapy trial has shown that over one year on from a single treatment, participants with haemophilia A are showing normal levels of the previously missing protein, effectively curing them. The results have particular significance as the first successful gene therapy trial for the haemophilia A.
The article discusses ways to reconcile differing views on elephant conservation policy between two groups with conflicting opinions. Stakeholder trust and agreement can be achieved through structured discussions and the evaluation of policy consequences in a way that minimizes bias.
Scientists at Johns Hopkins used supercomputers to create an atomic scale map of how glutamate binds to a neuron in the brain. The study reveals that glutamate molecules follow specific pathways on the surface of glutamate receptors, with positively charged atoms guiding its negatively charged atoms.