Scientists describe a new Australian land snail species using micro-computed tomography, creating a 3D model of the genitalia without damaging the specimen. The novel method allows for species delimitation and identification of molluscs with reduced dissection, highlighting its potential as an alternative approach.
The program, launched in 1998, focuses on primary prevention and has led to significant reductions in substance use among adolescents. Key findings include a drop from 42% to 5% in getting drunk within a month, and declines in daily smoking and cannabis lifetime use.
A Dartmouth College study measures bias in how we learn and make decisions, revealing contradictory biases when combining evidence from different sources. The research shows that our ability for learning and inference is limited and biased due to the inability to separate information about cues from overall probability of outcomes.
Researchers used the light echo technique to measure the distance from a young star to the inner edge of its surrounding protoplanetary disk. The study found the inner edge to be relatively thick and determined a distance of approximately 0.08 astronomical units, consistent with theoretical expectations.
A large retrospective study found that nonalcoholic fatty liver disease (NAFLD) independently contributes to increased atherosclerosis and cardiovascular mortality. Patients with fatty liver were more likely to develop carotid plaques over time, highlighting the need for thorough cardiovascular and metabolic work-ups in NAFLD patients.
A comprehensive review of studies on one-to-one laptop programs found significant improvements in test scores and educational outcomes. The research suggests that laptops can enhance student engagement, teacher-student relationships, and 21st century skills like technological proficiency and problem-solving.
Researchers found corvid birds outperformed great apes in a cognitive task, despite having smaller brains. The study suggests neuronal density and brain structure play a key role in intelligence.
Researchers discovered that oversized microgel particles shrink to match smaller neighbors due to shared counter ions, increasing osmotic pressure and expelling solvent. This mechanism allows for the formation of crystalline structures with point defects eliminated, unlike hard particle systems.
A study found that nearly half of routine tests for monoclonal gammopathy are unnecessary and costly. An algorithm-driven approach can improve efficiency and reduce healthcare costs by putting more decision-making power in the hands of pathologists.
Researchers found that about 5% of patients experienced unexpected relapses of cancer after laparoscopic radical cystectomy (LRC) despite favorable pathology. The use of pneumoperitoneum during LRC may have played a role in these recurrences, according to the study published in The Journal of Urology.
A new study estimates that norovirus causes approximately $4.2 billion in healthcare costs and $60.3 billion in societal costs each year. The disease, which affects nearly 700 million people worldwide, also results in significant productivity losses.
Carrot pulp is being used to create puffed snack foods with increased fiber and nutritional quality. The research found that adding the pulp increases puffiness without affecting taste or texture.
A recent study published in eLife reveals that novel swine flu viruses have emerged, driven by the frequent introduction of human viruses to pigs. The analysis of nearly 600 flu viruses from multiple continents shows a high level of antigenic diversity, posing a significant risk to human health.
A new study provides insights into the evolutionary trajectory of penguins in Australia, revealing a 20-million-year history of species dispersals. The research suggests that ancestors of modern little penguins arrived in Australia with the help of a strengthened Antarctic Circumpolar Current.
A new prognostic model for hepatocellular carcinoma, ITA.LI.CA, shows superior survival prediction in Italian and Taiwanese cohorts, integrating tumor staging, liver function, functional status, and alpha-fetoprotein level. The resulting score has concordance indices of 0.71 and 0.78 in internal and external validation cohorts.
A new study reveals that nerve damage occurs before vessel damage in the retina due to diabetes, contradicting long-held beliefs. This finding has significant implications for treatment and prevention strategies.
Research suggests that child homicide is responsible for approximately 1% of all neonatal deaths in South Africa. The majority of these deaths occur among infants aged 0-6 days, with abandonment being the most common method of homicide.
Researchers at NREL discovered a way to tune the Schottky barrier in 2D semiconductors using certain metals as electrodes. This adjustment reduces power losses and improves device performance by suppressing metal-induced gap states and Fermi level pinning effects.
A study by Nancy R. Kressin and colleagues found that dense breast notifications sent to women after mammography contain poor readability and understandability, potentially exacerbating disparities in breast cancer screening. Only three states' notifications met the recommended readability level of grades 7-8 or above.
Scientists have used a revolutionary image stacking and matching technique to reveal objects on Mars with a resolution up to five times greater than previously achieved. The Super-Resolution Restoration (SRR) method has huge potential to improve knowledge of a planet's surface from multiple remotely sensed images.
A new study found that dense breast notifications are often poorly readable and understandable, creating uncertainty for women making decisions about supplemental screening. The study suggests that efforts should focus on enhancing the readability of these notifications to inform women accurately about their breast density status.
Researchers found high levels of varroa mites and fungal parasites, with severe correlations to viral diseases like Chronic Bee Paralysis Virus. The study provides crucial baseline data for tracking future trends in honey bee health.
A study found that people's ability to smell food aromas decreases with age, with 23% of participants having trouble detecting certain smells. In contrast, tastes are generally better detected, with only 3% experiencing difficulty.
A new NYU Steinhardt study reveals growing income-based gaps in college attendance and completion, but decreasing gaps in high school graduation rates. The research suggests that rising income inequality may be making it harder for low-income students to get ahead, particularly in accessing four-year colleges.
Professor Philippe Dubois has been awarded an FNR PEARL Chair to develop new sustainable composite materials from renewable resources. His goal is to replace fossil carbon with bio-composites, targeting applications in automotive and aerospace sectors.
A new study by Adam Lippert finds that e-cigarette use among teens is clustered in schools with high rates of use, suggesting a cultural factor at play. The research suggests that educators should consider perceptions of e-cigarettes as less harmful when implementing initiatives to curb teen vaping.
A large case-control study found that statin use is associated with a reduced risk of colorectal cancer, but the difference in risk between statin users and non-users was not significant. Increased serum cholesterol levels were also independently linked to decreased risk of colorectal cancer.
Scientists have discovered a new species of titanosaurian dinosaur, Sarmientosaurus musacchioi, with a complete skull and partial neck fossil from Argentina. The study found that the brain was small relative to its body but showed greater sensory capabilities, including enhanced vision and hearing.
A new research program aims to improve patients' quality of life by monitoring major depressive disorder, epilepsy, and multiple sclerosis using wearable devices and smartphone technology. The RADAR-CNS programme may allow treatment to begin before a patient's health deteriorates, preventing relapses.
Only 14 mental health apps were examined in a recent literature review, with little efficacy, safety or clinical outcome data found. A framework, ASPECTS, has been proposed to guide psychiatrists and patients in evaluating apps for clinical use.
Researchers at the University of Copenhagen have created a general and user-friendly platform for developing effective vaccines. The technique mimics the structure of a virus, allowing it to trigger an immune response against diseases such as cancer, asthma, and allergies.
A 29-year study found nearly 28,000 children and adolescents were obese in 2014, with boys more likely than girls due to societal preference for sons. The traditional Chinese diet has shifted towards high-fat and low-fibre foods, coinciding with increasing incomes and reduced physical activity.
The University of Texas at Austin researchers have developed an injectable, regenerative gel that delivers proteoglycans and a growth factor to stimulate the growth of blood vessels and restore blood flow in the lower limbs. The treatment has shown promising results in mice with ischemia and diabetes, with 85% recovery of blood vessels.
Researchers found no correlation between self-reported relationship satisfaction and sexual frequency, but automatic behavioral responses revealed a positive link between the two. Studies showed that couples who had sex more frequently were more likely to associate their partners with positive attributes.
A study published in JAMA found that adding tomosynthesis to digital mammography significantly increased cancer detection rates and reduced recall rates for women with dense breasts. The findings suggest that supplemental breast cancer screening using tomosynthesis may improve outcomes for women with varying levels of breast density.
Researchers found that tablet use significantly improved children's performance on standardized tests of reading preparedness in three deployments. The system used inexpensive tablets loaded with educational apps and allowed children to explore and figure out the content on their own, yielding promising results.
Leading UK oncologists argue that staying in the EU is crucial to maintaining the country's prominent role in cancer research and care. The authors point out the benefits of EU-wide cooperation, including improved standards of care, research, and patient rights, as well as strengthened collaboration with EU partners.
Researchers have identified a hybrid form of the common house mosquito in eastern Austria that can transmit exotic diseases such as West Nile virus. The hybrid mosquitoes can act as bridge vectors, picking up pathogens from their original host birds and potentially transmitting them to other birds or humans.
Autologous cardiac cells, particularly atrial appendage-derived cells, show promise for gene and RNA therapies in heart failure. The review discusses financial and authority-based restrictions influencing research in this field, highlighting the potential of autologous tissues as cell therapy sources.
Researchers at UTMB identify 94 effective non-antibiotic drugs against Yersinia pestis and other antibiotic-resistant bacteria. Trifluoperazine, doxapram, and amoxapine show promise in treating plague and other infections.
The Allen Institute has released a comprehensive dataset on the aging brain and traumatic brain injury, providing unprecedented access to data on over 100 aged brains. Researchers can explore this unique resource to identify molecular signatures of disease and develop novel diagnostic strategies.
Researchers found structural brain damage in the hippocampus, a key memory region, that correlates with memory performance and disease severity in patients with anti-NMDA receptor encephalitis. The autoimmune disorder can cause schizophrenia-like symptoms and long-term cognitive impairment if not treated promptly.
A recent study published in PLOS ONE found that women in sub-Saharan Africa who use modern contraceptives are more likely to undergo HIV testing than those who do not. The research highlights a missed opportunity to provide education and HIV testing concurrently with condom and pill provision.
A new Cochrane Review suggests that yoga may have a beneficial effect on symptoms and quality of life in people with asthma. However, the effects on lung function and medication use are uncertain. Researchers found some moderate quality evidence that yoga exercise reduces the impact of asthma on people's quality of life.
Researchers found that women who worked rotating night shifts for five or more years had a 15-18% increased risk of developing coronary heart disease. Changing shift schedules may help offset this risk, which is modifiable and important to note.
A study in China found that competitive driving is a widespread phenomenon linked to overcrowded roads and cultural influences. Drivers perceive chaotic traffic as a catalyst for competition, leading to aggressive behavior.
Acute myeloid leukemia researchers have identified a microRNA pathway that could lead to new targets for treatment. The study found that miR-22 is down-regulated in AML, leading to the development of cancer-causing genes and pathways. This discovery offers hope for developing effective therapies against this deadly disease.
Researchers used human and environmental samples to analyze microbiome and metabolome data, reporting conclusions in 48 hours. The study found that fermented food molecules influenced the chemical environments of people consuming them.
A team of researchers has solved the three-dimensional structure of a gene repression complex, known as the NuRD complex, which plays a role in cancer. The study provides unprecedented detail about the interaction between its components and may help develop strategies to reduce the activity of the complex and combat cancer.
Global norovirus experts identify key gaps in knowledge and provide information to further vaccine development. The most efficient approach is developing a vaccine for young children, with the greatest impact at the global level.
A study found that a house dust mite immunotherapy tablet improved time to first moderate or severe asthma exacerbation when added to maintenance medications. The treatment reduced the risk of exacerbations and increased allergen-specific antibodies.
Astronomers discover a small, dark moon orbiting Makemake, the second brightest icy dwarf planet in the Kuiper Belt. The moon's diameter is estimated to be 100 miles across and its orbit completes around Makemake in 12 days or longer.
The PLAYTrack project aims to investigate how play supports children's learning and skills. The project will develop new methods to examine the impact of play on human development, collaboration with industry partners and institutions.
Researchers found that micro-needle insertion into the hippocampus of mice with Alzheimer's disease reduced beta-amyloid plaques and improved memory tasks. The procedure also triggered neurogenesis in the brain, suggesting a potential new approach to treating neuro-cognitive disorders.
Researchers found that breast cancer cells spread by sliding around other cells blocking their escape route out of the original tumor. The study identified molecular pathways that regulate cell-sliding behavior and showed that increased levels of E-cadherin can diminish this behavior.
Atomic magnets have been created in a layer of graphene using the absorption of hydrogen atoms. By manipulating these atoms, it is possible to produce magnetic graphene with atomic precision.
A University of Leicester study found that people with Type 2 diabetes wait an average of 3.7 years for increased treatment, leading to a failure to achieve tight blood sugar control. Clinical inertia is being identified as the major contributor to this issue.
A new proteomics method has been developed to measure the carbon uptake of specific marine bacterioplankton taxa, revealing metabolic patterns and taxonomic identification. The technique uses stable isotopic probing to analyze proteins from seawater samples, providing information on substrate incorporation and enzyme activity.
Christof Paar, a Bochum IT security expert, has been awarded an ERC Advanced Grant to explore and prevent cryptographic hardware backdoors that pose a major threat to the Internet of Things. The project aims to develop countermeasures against hardware Trojans that can compromise device security.
A meta-analysis of 40 clinical trials found that combining omega-3 fish oils with antidepressants had a statistically significant effect on improving mood. Other supplements like methylfolate, Vitamin D, and SAMe also showed promise as mood-enhancing therapies when taken with antidepressants.