Researchers at the University of Pennsylvania have broken the limit of organic synthesis, allowing for more efficient gene and drug delivery. The study suggests that the conformation of the core molecule plays a role in this self-limiting growth phenomenon.
A study by Emory University used functional magnetic resonance imaging (fMRI) to analyze the brain activity of canine candidates. The results found that brain scans could predict which dogs would fail a rigorous service training program with a significant improvement in accuracy, helping organizations identify unsuitable dogs earlier. ...
A new study successfully uses CRISPR-Cas9 to modify the genome of Methanosarcina acetivorans, an archaeal species, for the first time. This breakthrough enables accelerated studies on these organisms, with implications for understanding global climate change and the global carbon cycle.
Researchers have identified a protein biomarker, CD151, expressed on tumour cells of high-grade serous ovarian cancer, which is linked to poor prognosis. The study provides new information about possible targets for ovarian cancer treatment and has the potential to develop a clinical screening tool.
Researchers have developed a way to program randomness into quantum circuits, paving the way for a boson sampler and potentially a quantum computer. The breakthrough, led by Dr Nick Russell's work, solves a key problem in quantum computing and offers a significant milestone in the field.
Researchers found that soldiers who exhibited less change in both testosterone and cortisol levels in response to stress were more likely to later show PTSD symptoms. The study suggests future research could investigate preventative interventions targeting those with at-risk hormone profiles.
Researchers at Johannes Gutenberg University Mainz have identified two gaseous messenger substances, nitric oxide and hydrogen sulfide, as crucial for the formation of Drosophila's spatial orientation memory. This memory is retained in a small group of ring-shaped neurons in the ellipsoid body of the central brain.
A recent study sheds new light on how polymer structure affects the glass-transition temperature in atactic polystyrene films. The research suggests that aromatic interactions between benzene rings are weakened inside the film, leading to a lower transition temperature.
A study published in JAMA found that the percentage of overweight and obese adults trying to lose weight declined between 1988-1994 and 2009-2014. The decline was most pronounced among black women, who saw a significant reduction in reporting efforts to lose weight.
A new amphibian species, Pristimantis attenboroughi, has been formally described from the Peruvian Andes, with characteristics including pale to dark gray coloration and distinct stripes. The species is considered Near Threatened due to habitat loss and climate change, highlighting the need for conservation efforts in protected areas.
Researchers discovered that a metabolic enzyme called AKR1B1 drives aggressive basal-like breast cancer progression. An inhibitor of this enzyme, epalrestat, was shown to block the growth and metastasis of human basal-like breast cancer cells.
Researchers have made discoveries about the behavior of carbonate species at saltwater surfaces, finding that the more highly charged carbonate ion was more abundant than expected. This raises questions about the global carbon cycle and potential applications in carbon sequestration and biology.
Researchers have developed a technique to control terahertz waves using graphene, enabling potential applications in telecommunications and medical imaging. This discovery could lead to faster data transfer speeds and improved security in communications, as well as non-invasive detection of biological molecules for medical diagnosis.
Researchers developed a predictive risk model combining genetic and lifestyle information to classify population into groups according to colon cancer risk. Lifestyle influences cancer risk more than genetics, making it a modifiable factor in disease prevention.
Researchers at Helmholtz Institute Freiberg for Resource Technology are exploring the use of bioactive substances derived from bacteria to extract copper and molybdenum from ores in a more environmentally sustainable way. The goal is to increase metal yield while reducing chemical usage and waste.
A University of Connecticut climate scientist confirms that global warming will lead to more intense and frequent severe rainstorms. Data shows the intensity of these storms increases with rising temperatures, contradicting some observations suggesting a fixed upper temperature limit.
A study found that nearly half of all deaths due to heart disease, stroke, and type 2 diabetes in the US are linked to suboptimal dietary habits. The research identified specific foods and nutrients associated with cardiometabolic diseases, revealing opportunities for public health planning and strategy development.
A new analysis published in BioScience found that long-term ecological studies are more frequently cited and important for informing policy decisions. The study suggests that funding agencies should prioritize long-term research to advance the science of ecology and support management and policy recommendations.
Scientists at Argonne National Laboratory have invented a new foam called Oleo Sponge that can absorb and reuse oil from water. The material has been shown to collect diesel and crude oil from both below and on the surface of the water.
Researchers found that older adults with heavier chronic disease burdens and shorter original hospital stays are more likely to be readmitted within a week. Hospital strategies to ensure patients are healthy enough for discharge could help prevent early readmissions.
A Nagoya University-led international research team has identified genes controlling the development of enlarged mandibles in stag beetles, a key factor in insect diversity. The study found that genes such as dac, aristaless, and homothorax play important roles in mandible development.
Researchers from North Carolina State University developed a series of computer models that can predict the CO2 absorption properties of amine solutions based on their chemical structure. The models utilize machine-learning techniques and have been found to reliably discriminate between amines with high absorption properties and those ...
Researchers have developed a family of resistive random access memories using multilayer hexagonal boron nitride as dielectric, showing promising retention times and low cycle-to-cycle variability. The devices exhibit coexistence of forming free bipolar and threshold-type resistive switching.
A recent review highlights cannabidiol's effects on fear and drug memory processes, suggesting its potential as a treatment for anxiety-related and substance abuse disorders. Cannabidiol is not linked to the cannabis 'high' and may alleviate symptoms without unwanted side effects.
Tropical Cyclone Enawo made landfall in northeastern Madagascar as a Category 4 hurricane, bringing severe damage and power outages to the region. The storm's maximum sustained winds reached 144 mph, with warnings posted throughout northern Madagascar.
Researchers refuted the theory that asteroids hit Earth every 26 million years, as previously suggested by US researchers. Instead, they found that impact craters formed over a wide range of ages and were not clustered in time.
Researchers have discovered a genetic mutation in the PLC-zeta protein that causes male infertility, but found that injecting more of this protein can restart fertilization. The study suggests that this form of infertility could be treated in the future.
A study published in Drugs Education Prevention and Policy found that young people perceive e-cigarettes as a substantially less harmful alternative to combustible tobacco, discouraging tobacco uptake. The majority of participants believed vaping is not increasing their likelihood of smoking.
A recent study found that a combination of genetic predisposition, early stress, and male sex increases the risk of social avoidance in individuals with autism. The researchers tested this theory using mice and found evidence supporting the idea that these three factors build on each other to produce the social avoidance characteristic...
Smokers in recovery from illicit drug use disorders face a higher risk of relapsing three years later compared to non-smokers. Quitting cigarettes may help adults stay sober and improve substance treatment outcomes.
Researchers found that fruit fly infections trigger a reduction in egg-laying activity and affect the octopaminergic signalling pathway. The study reveals a protective mechanism allowing fruit flies to regulate their offspring's impact on the environment during bacterial infection.
Researchers successfully created a synthetic receptor that recognizes signals involved in pain relief and can be switched on and off using chemical messengers. The breakthrough could hold the key to altering the way cells respond to pain and other sensations by adding or bypassing natural communication pathways.
A Penn study found that a high-fat diet causes epigenetic changes in fat cells, leading to obesity and type 2 diabetes. The research also identified a genetic defect in the Ucp1 gene that contributes to obesity, which can be overcome with treatment.
Researchers discover that a small GTP-hydrolysis enzyme called Rab4 is essential for the assembly of synapses and corresponding brain functions. Reduced supply of Rab4 increases synapse formation in fruit fly neurons, which may have implications for treating Alzheimer's Disease.
Researchers created high-resolution risk maps for clonorchiasis in China, highlighting provinces with the highest risk of infection and important predictors. The study found that elevation, distance to freshwater bodies, and land cover type were associated with infection risk, informing targeted control activities.
The Hyper Suprime-Cam Subaru Strategic Program has released its first public dataset, containing almost 100 million galaxies and stars. This dataset will enable scientists to explore the nature of dark matter and dark energy, as well as study the formation and evolution of galaxies.
Researchers found that light rain can disperse up to several thousand bacteria from the soil into the air, where they can travel long distances before settling back on the ground. Global precipitation may be responsible for releasing 1.6 to 25 percent of total bacteria emissions from land.
Researchers found mindfulness therapy to be effective in reducing depression, anxiety, and rumination in adults with autism spectrum disorder (ASD). Nei Yang Gong therapy also showed positive effects on self-control in children with ASD. The review of 16 studies highlights the potential for mind-body therapies in treating ASD symptoms.
A new multilab replication project partially replicated a 2012 study on cooperation under time pressure. When noncompliant participants were included in the analysis, time pressure had little or no effect on cooperation. The findings raise concerns about the best approach to measuring this relationship.
Scientists at the University of Sussex have discovered concrete links between autism and synaesthesia, highlighting heightened sensory sensitivity in both groups. The study suggests that sensory traits often seen in autism are also present in synaesthetes.
Researchers at UCI have identified a specific mutation that allows melanoma tumor cells to evade the immune system. This finding may lead to more effective immunotherapies and targeted treatments for patients with melanoma.
Unemployment significantly impacts female HIV cases among those aged 15-24 in developing nations. Young women turn to transactional sex for security and economic stability.
According to the study, Americans had sex about nine fewer times per year in 2010-2014 compared to 1995-1999. The decline is attributed to birth cohort, with later-born generations having sex less often than those born earlier.
A large population study found that people who experience weight discrimination are less likely to be physically active. This is due to feelings of self-consciousness and negative stereotypes, leading to a lack of confidence to exercise in public.
A new analysis found drastic changes in animal populations occur in about 4% of cases, most commonly in birds, with extreme events driven by parasites, climate and predators. Developing management plans to withstand sudden swings could help buffer against black swan disasters and prevent extinctions.
Scientists investigate the motion of vortex domain walls in ferromagnetic nanowires driven by magnetic fields. The research aims to improve control and reliability for spintronic devices, enabling logic gates and data storage.
A team of researchers has developed a new technique to identify cancer-causing substances in the urine or blood using an integrated centrifugal microfluidic platform. The device, called Exodisc, can isolate extracellular vesicles from urine within 30 minutes and detect biomarkers for bladder cancer.
A study published in PLOS Medicine found a significant increase in dementia diagnoses among older adults in the Netherlands over two decades. The researchers analyzed data from primary care networks and estimated an annual growth rate of 2.1% for dementia incidence, with women being more likely to develop the condition.
A new study by Carnegie Mellon University researchers found that group tolerance is linked to perceptions of fairness and harm. People are more willing to coexist with others from different groups if they believe in universal moral values like fairness and harm.
The US Preventive Services Task Force found inadequate evidence on screening pelvic examinations for gynecologic conditions, including ovarian cancer and other benign conditions. The examination's accuracy, benefits, and potential harms were not well-established.
A new study found that rhinovirus, a common cause of the 'common cold', can lead to pneumonia and death in bone marrow transplant patients. The virus is more common than previously thought and is often overlooked in this population.
Researchers discovered bumblebees can recognize scents left by family members, sisters, and unrelated individuals. This ability helps them remember visited flowers and make informed decisions about food sources.
Researchers have found that T cells soften after activation, allowing them to elicit a stronger response. They identified drugs that can help either activate or suppress T cell responses, providing a new approach to manipulating the immune system.
Researchers analyzed cranial traits to determine Scythian gene pool formation. Results suggest both hypotheses of Scythian ethnogenesis are partially correct, indicating a mix of Central Asian migrants and local Srubnaya culture populations.
Researchers warn that rising temperatures in US deserts will put songbirds at greater risk of dehydration and mass die-offs. The study found that smaller species are particularly susceptible to lethal dehydration, with the lesser goldfinch facing a 25-day-per-year risk by the end of the century.
A new study from Southern Methodist University found that a self-persuasion app on an iPad motivated low-income parents to vaccinate their teens against human papillomavirus, a cancer-causing virus. The app used audio prompts and guided parents in thinking through the importance of vaccination.
Researchers have identified a new class of reader proteins linked to cancer, including leukemia. Disrupting these proteins may lead to effective combination therapies.
Scientists have completed a model of the P22 virus's chemical structure with unprecedented detail, revealing the building blocks of proteins and their interactions. This breakthrough allows for more information about biochemistry and provides detailed annotations for future experiments.
Research from the University of Warwick suggests that cyberbullying is mostly an extension of traditional playground bullying, rather than a standalone phenomenon. The study found that 29% of UK teenagers reported being bullied, with only 1% experiencing cyberbullying alone.
A study presented at the American Heart Association Scientific Sessions found that low intake of fruits and vegetables accounted for 57.3 million DALYs and 44.6 million DALYs, respectively. The burden of heart disease attributed to limited fruit and vegetable consumption varied across countries, with some experiencing a significant imp...