Researchers found that eating disorder behaviors like binge-eating alter brain reward response and food intake control circuitry, reinforcing these behaviors. The study suggests that behavioral traits contribute to eating disorder maintenance and progression by modulating internal reward responses.
Plants can respond to subtle environmental changes on the cellular level, triggering molecular changes in as little as five minutes. The study found that canopy shade leads to the removal of histones at growth-regulating genes through DNA binding of PIF7, activating their expression.
A large study found that pregnant women using over-the-counter painkillers have a higher risk of preterm delivery, stillbirth, and neonatal death. Healthcare guidance for pregnant women regarding non-prescription painkiller use should be reassessed.
Researchers from the University of Adelaide have developed strategies to delay grape ripening and increase flavor potential in Cabernet Sauvignon grapes. By manipulating crop load and irrigation management, they were able to slow down sugar accumulation and improve aroma compounds, colour, and mouthfeel.
A study published in PLOS ONE found that the University of Cincinnati's screening program contributed to a 20% increase in new HIV diagnoses among persons who inject drugs in Hamilton County, Ohio. The program's data was crucial in identifying an outbreak and triggering public health authorities' response.
A study by UCL researchers suggests that levelling up access to finance for poorer countries can accelerate the transition to renewable energy, allowing Africa to reach net-zero emissions approximately 10 years earlier than current projections. This would require policy interventions to lower the weighted average cost of capital (WACC)...
A new study found that frequent COVID-19 testing, especially using polymerase chain reaction tests paired with rapid results reporting, can achieve 98% sensitivity in detecting infection. This approach can be particularly effective in places where vaccination is not yet widespread or when variants are on the rise.
Researchers found that a single targeted message didn't affect the return to in-person visits within a month, but resulted in a small increase in re-engagement through telemedicine and rescheduling of future visits. The study suggests that alternative communication strategies may be more effective for promoting in-person care.
During their marathon flights, great snipes change elevation depending on time of day, typically flying higher in daylight to escape heat and finding a behavior that's optimal for them. They reach astonishing altitudes, with one bird flying as high as 8,700 meters, nearly as high as Mount Everest.
Researchers successfully reduced crystalline device thickness to two atoms, enabling faster, more efficient electronic devices. The new technology proposes a way to store electric information in the thinnest unit known to science.
A new study by NIH-funded researchers found that a diet higher in fatty fish and lower in vegetable oils can reduce the number of migraines and intensity of pain. Participants experienced a 30-40% reduction in headache hours per day compared to those on a control diet.
A study using street names to quantify cultural indicators found that Vienna honors the most women (54%), followed by London (40%). Paris and New York have lower proportions, with many streets named after people from the 1860s. Street names also reflect professions and professions held by street honorees, such as artists, writers, and ...
Researchers found a new family of beetles, Triamyxa coprolithica, with legs and antennae intact in a fossilized droppings sample from the Triassic period. The discovery offers a new alternative to amber fossils for studying insect evolution and food webs.
Researchers at the University of Melbourne found that liquid chalk is effective against both SARS-CoV-2 and influenza A viruses. The study tested four different types of chalk, with three working incredibly effectively, and showed complete resistance to norovirus in some cases.
Neuroscientists at UCL have identified abnormalities in the way memories are 'replayed' in the brains of people with schizophrenia. The study found that individuals with schizophrenia were less able to build a structure of the task, with impaired neural replay linked to their symptoms.
A University of Arizona study suggests that Objective Structured Clinical Examinations (OSCEs) can effectively assess clinical skills in community pharmacies, providing a valuable learning experience for pharmacy students. The OSCE design was found to accurately reflect the time constraints faced by pharmacists in real-world settings.
Domestic burning of wood and dung fuels in Neolithic homes would have exceeded modern internationally-agreed standards for indoor air quality, exposing inhabitants to unsafe levels of particulates. The study suggests that chronic exposure to PM2.5 could be linked to bone lesions found in the remains of Çatalhöyük's inhabitants.
Researchers at NIST have upgraded their laser frequency-comb instrument to measure three airborne greenhouse gases: nitrous oxide, carbon dioxide, and water vapor, plus major air pollutants ozone and carbon monoxide. The new system can identify gas signatures by precisely measuring the amounts of light absorbed at each color in the bro...
Small biotech firms are partnering with large pharmaceutical companies to scale up production of promising new molecules. This collaboration allows them to bring lifesaving drugs to patients more efficiently.
A multinational team of researchers warns that embryo selection based on polygenic scores may not be effective in selecting healthier embryos and could lead to unintended consequences such as altering population demographics. The study calls for responsible communication and regulation of the technology.
A team of researchers developed a high-throughput biochemical assay to assess small molecule impact on SARS-CoV-2 nonstructural protein 14, identifying potential inhibitors from FDA-approved drugs. The study aims to deliver therapeutics for the SARS-CoV-2 virus, targeting its critical methyltransferase activity.
The UK's official list of COVID-19 symptoms is too narrow, say experts, and expanding it could help identify more cases sooner. This would require careful implementation, but new data suggests that testing people based on combinations of unofficial and official symptoms could be used to achieve this.
Researchers have identified stearic acid and ornithine as indicators of coronary microvascular disease (CMD), a condition that damages blood vessels and causes decreased blood flow to the heart muscle. The study suggests that estrogen may also play a role in CMD development, particularly in postmenopausal women.
Researchers slow down grape ripening to increase compounds associated with floral and fruity notes, improving wine quality. The technique involves thinning vines and more intense irrigation during the later growing season.
Regularly consuming a Southern-style diet characterized by added fats, fried foods, eggs, organ meats, processed meats, and sugar-sweetened beverages may increase the risk of sudden cardiac death. In contrast, following a Mediterranean diet high in fruits, vegetables, fish, whole grains, and legumes can decrease this risk.
A longitudinal study of healthy adults found that upward or downward changes in wealth were associated with respective lower or higher levels of cardiovascular events. Positive wealth changes were linked to a decreased risk of cardiovascular disease, while negative wealth mobility was linked to an increased risk.
The study reveals that feedback to the primary visual cortex (V1) is necessary for segregating figures from the background, a crucial function of our vision. Disrupting this feedback renders objects invisible, highlighting its importance in figure-ground perception.
A recent study has summarized nearly two decades of research on the efficacy of nature-based solutions in reducing disaster risk. The review found ample evidence that ecosystems can reduce the impacts of hazard events, such as wildfires, flooding, and landslides, in a cost-effective manner.
A four-fold increase in unintentional poisonings in children under 12 and a three-fold increase in ICU admissions for severe cannabis poisoning were seen after legalization. Edible cannabis products, highly concentrated and visually attractive to young children, are the primary cause of these increases.
Researchers have introduced a novel click reaction suitable for living cells and organisms, enabling the labeling of biomolecules without affecting physiological processes. The reaction uses linear, terminal alkynes and N,N-dialkylhydroxylamines to form biocompatible enamine-N-oxides.
The deep-sea ecosystems of the Salas y Gomez and Nazca ridges are characterized by exceptional biodiversity, hosting rare and unique species of fish and invertebrates. These findings have significant implications for conservation efforts, emphasizing the need to protect these unique environments.
Shiloh Deitz's dissertation project focuses on filling the data gap for accessible pedestrian routing and tools, particularly for persons with limited mobility. The research evaluates AI methods and critical geoAI to improve data quality and enhance independent travel options.
Researchers at MIT confirmed Hawking's area theorem for the first time by analyzing GW150914 signal, showing total event horizon area did not decrease after merger. The findings provide evidence that black holes behave as thermal objects and emit radiation over long timescales, a fundamental revelation about these cosmic phenomena.
A mutation in the C9orf72 gene may disrupt communication between motor neurons and muscles in ALS patients, leading to motor disorders, muscle atrophy, and mortality. The study reveals that the loss of function induced by the mutation affects synaptic transmission and protein TDP-43's location within the cell.
Researchers found that vaccinated individuals have a lower viral load, shorter infection time and milder symptoms than unvaccinated people. The study also showed a significant reduction in the risk of having COVID-19 with an accompanying fever.
A new study by Texas A&M University researchers determines the minimum size of electrical currents needed to provide sensation in different parts of the mouth. They developed an equivalent circuit of the intraoral cavity and plan to investigate how electrical stimulation affects chewing and swallowing behaviors.
A new study reveals a cost-effective method to produce biodegradable plastics from corn stubble, grasses, and mesquite, offering a sustainable alternative to traditional fossil fuel-based plastics. This breakthrough enables the creation of eco-friendly bioplastics that can replace conventional plastics in various industries.
Researchers at the University of Basel found a strong correlation between early spatial skills and mathematical abilities in primary school. The study analyzed data from nearly 600 children and ruled out socio-economic status and language ability as factors affecting math performance.
Scientists studying fossilized dinosaur eggshells from Mexico have identified nine amino acids and evidence of ancient protein structures, providing insights into the early lives of these creatures. The analysis also sheds light on the fossilization processes and the role of minerals in preserving organic compounds.
A study found that anticholinergic medications may increase the risk of cognitive decline and falls in under-18s. In the German population, up to 6% of this age group are at risk due to these medications.
In a behavioral study on common marmosets, researchers found that the infantile development of vocalizations includes an extended flexible phase, without which language development in humans would not be possible. This phase is critical for human language development, influenced by social interactions with parents.
A Rutgers-led team developed a microchip that can measure cortisol and other stress hormones in real-time from a single drop of blood, providing patients with timely feedback for better treatment. The miniaturized device has the potential to be used for non-invasive cortisol measurement in other fluids.
Thermal waves have been observed in germanium at room temperature, a significant improvement in electronic devices performance. The discovery opens new possibilities for controlling heat through wave-like thermal transport.
A study found that cats are more susceptible to COVID-19 than dogs, with 67% of owned cats testing positive for antibodies. Cats that sleep on their owner's bed are particularly at risk, and prolonged contact with owners may increase the chance of infection.
A new Finnish study found that healthcare workers who received two doses of the Pfizer-BioNTech vaccine had strong antibody responses to SARS-CoV-2, with similar effectiveness against the alpha variant as the original virus. The immune response was weaker against the beta variant, but still provided relatively good protection.
Astronomer Wendy Freedman's review paper suggests that recent observations are closing the gap between different measurement methods for the Hubble constant. The latest data from red giant stars and cosmic microwave background experiments agree within 1% of each other, indicating no need for fundamental new physics.
A new study reveals 200 previously approved drugs that could be repurposed to treat COVID-19, with 40 already undergoing clinical trials. The research identified key proteins targeted by these drugs and found potential antiviral compounds, including proguanil and sulfasalazine.
A study published in Environmental Pollution found that organic food intake is associated with better scores on tests of fluid intelligence and working memory. Poor nutrition, house crowding, and indoor air pollution were also linked to poorer cognitive function.
A new study investigates human mobility at Alalakh during the Bronze Age, finding most people were born and raised in the region. Genetic data shows ancestry from neighboring regions, with only one individual showing Central Asian origins but local upbringing.
The study analyzed two million parliamentary speeches in the UK and Ireland, finding that politicians use emotive language more in high-profile debates like PMQs to attract a wider audience. In low-profile debates, emotional rhetoric is less pronounced as politicians mostly address colleagues.
Researchers used machine learning to analyze tumor microenvironment and identify biomarkers that predict patient response to immunotherapy. The model outperformed current biomarkers, enabling personalized treatment and better understanding of biological mechanisms involved.
Researchers propose a new approach to predicting election outcomes and identifying social trends by analyzing people's perceptions of their friends' voting intentions. By asking about a person's social circle rather than individual beliefs, they can gather highly accurate information on emerging trends.
A new study found that high-efficacy multiple sclerosis drugs are more effective in reducing flare-ups and modifying progression compared to low-efficacy drugs. Participants with active secondary progressive MS who received high-efficacy medications experienced 30% fewer relapses and an average of 0.17 relapses per year.
A Brazilian study found that a lack of exercise during quarantine increased cholesterol and glycated hemoglobin levels in women aged 50-70, while also reducing muscle strength and aerobic capacity. The findings highlight the importance of promoting physical activity safely during periods of social distancing or isolation.
Researchers at University of Arizona Health Sciences found that cancer cells become more aggressive when exposed to tissue stiffening, leading to changes that persist over time. The 'mechanical conditioning' score can quantify these cellular changes and predict patients at high risk for bone metastasis.
Researchers at MIT have developed a sweat-proof electronic skin patch that can monitor vital signs like temperature and hydration over long periods of time. The patch's design features artificial sweat ducts and a kirigami-like pattern to prevent sweat accumulation and sensor damage, enabling reliable health tracking.
Researchers at the University of Cambridge have identified 200 approved drugs that could be effective against COVID-19, including 160 previously unlinked to the infection. The study used computational biology and machine learning to create a comprehensive map of proteins involved in SARS-CoV-2 infection.
Researchers develop AI system that uses cooperative strategies to improve human-AI collaboration in negotiations. The system, called CaSiNo, is trained on a dataset of negotiation dialogues and improves upon traditional menu-driven interfaces. It has real-world applications in business, education, and entrepreneurship.
A crossover trial found that exercising with a mask elevated breathing resistance and reduced peak exercise oxygen uptake, but did not compromise overall fitness. The study suggests that wearing masks during exercise may exert physical limitations on capacity, but the clinical relevance of this finding is uncertain.
Researchers at Huazhong University of Science and Technology developed a scheme to identify and weigh quantum orbits in strong-field tunneling ionization. By introducing a second harmonic frequency, they can alter the photoelectron yield, allowing for accurate identification of quantum orbits. This breakthrough enables attosecond tempo...