Articles tagged with Scientific Journals
A retrospective study found that whole-spine MRI commonly demonstrates isolated thoracolumbar injuries in children with suspected abusive head trauma. The study included 256 children who underwent whole-spine MRI as part of their evaluation, revealing that 23% of examinations showed injuries localized to the thoracolumbar spine.
A survey of scientists from minority-serving institutions found that only 45% participated in grant peer review, despite 76% expressing interest. The study highlights the need for more inclusive grant review recruiting and training to break the cycle of exclusion faced by underrepresented minority scientists.
Automated brain volumetry in memory-impaired patients shows significant differences and systematic biases between conventional and ultrafast 3D T1-weighted MRI sequences. Most regions demonstrated substantial agreement but also significantly different mean values and consistent biases.
A new study led by researchers at the University of Gothenburg found that trees contribute to cleaner air in cities. The study measured pollutants in tree leaves and compared them with air pollution levels, showing a clear correlation between the two.
A University of Guam professor emeritus has discovered a new species of diatom, Licmophora complanata, that produces an estimated one-fifth of the oxygen in the air we breathe. The discovery was made using advanced microscopy techniques and builds on previous finds by UOG students.
A prospective study found that ultrasound alone adequately completed the diagnostic evaluation of 71.2% of noncalcified lesions, diagnosed 92.1% of cancers, and yielded a sensitivity of 94.9%. Radiologists should consider performing ultrasound first for digital breast tomosynthesis-recalled noncalcified masses.
A new module utilizes biodiversity collections to produce a holistic student learning experience, covering topics such as plant specimen collection and data deposition. The authors reported strong learning results, with students feeling well-prepared to use foundational skills and digital data repositories.
The Natural History Museum's digital collection has been downloaded over 28 billion times, contributing to advancements in food security, biodiversity conservation and medicine discovery. The museum's digitisation efforts are expected to have a tenfold return on investment, with benefits exceeding £2 billion over 30 years.
A prospective study found that MRI outperformed conventional tests and FDG PET/CT for various staging endpoints in SCLC. Whole-body MRI and FDG PET/MRI were more accurate than FDG PET/CT for assessing local invasion extent.
Two studies published in Language reveal persistent gender bias in both peer-reviewed journal articles and course materials used in linguistics. Linguistics textbooks exhibit male-gendered protagonists more often, while research articles show stereotypes about men and women, with non-binary identities absent.
A study found that racial disparities in mammography screening worsened after COVID-19 closures, with non-white patients facing reduced access to facilities. Early interventions aimed at expanding access to these facilities helped to recover late recovery volumes for patients of races other than white.
A recent study published in PLOS Biology found evidence of editorial bias and nepotism in some biomedical journals, where a few authors, often on the editorial board, dominate publications and receive preferential treatment.
Researchers reconstruct Land of Israel climate at end of last ice age using plant remains, revealing significant temperature and precipitation differences that impacted the transition from hunter-gatherer to settled agricultural societies. The study provides insights into the region's flora and its response to past climate change.
Researchers at the University of Trento discovered brain cells acting as a compass for navigating conceptual spaces, similar to those found in physical environments. These 'head-direction cells' signal direction even when movement occurs in abstract spaces, suggesting a complementary mechanism for conceptual navigation.
A URI researcher has published a series of articles in the journal Biological Invasions to address concerns about diversity, equity and inclusion. The study found that the editorial board was overwhelmingly American and white, with most papers published by Americans and Europeans.
Convolutional neural networks trained to identify abnormalities on upper extremity radiographs are susceptible to a ubiquitous confounding image feature: radiograph labels. Covering these labels increases accuracy, while using them alone leads to decreased performance.
Researchers from Germany, China, Israel and Vietnam cracked the code on attosecond collision dynamics in solids. By analyzing high harmonic generation (HHG) in solids, they unveiled the structure and dynamics of information encoded within the band structure.
A retrospective study found that Lung-RADS performed well in assessing lung cancer risk on follow-up CT scans, with a weighted cancer risk of 5% for new nodules. Strict application of Lung-RADS criteria downgraded some malignant nodules, highlighting the need for category 4X for suspicious features.
Researchers found that nearly 75% of pregnant women with stretch marks reported moderate to prominent embarrassment, which impacted their social activities, self-esteem, and clothing choices. The study highlights the need for open discussions about stretch marks to normalize them and identify potential mental health issues.
The IPCC has endorsed new communication recommendations for addressing climate change, emphasizing the importance of storytelling and dialogue. The organization is keen to engage with experts and audiences in a two-way conversation to ensure effective information dissemination.
A study of 5.9 million radiological examinations found no significant difference in major and minor discrepancy rates for acute community setting exams between concordant and discordant with radiologists' fellowship training. However, advanced examination discrepancies were higher when concordant with radiologists' fellowship training.
Researchers at University of Missouri and University of Chicago develop an artificial material that can respond to its environment, make decisions, and perform actions not directed by humans. The material uses a computer chip to control information processing and convert energy into mechanical energy.
A recent study published in the American Journal of Roentgenology found a link between COVID-19 mRNA vaccination and myocarditis in adolescent males. Cardiac MRI was used to assess suspected myocarditis post-vaccination, with late gadolinium enhancement persisting in two patients undergoing repeat MRI.
Recent Mason bioengineering research appears as cover articles in Nature, discussing cell census and atlas of the motor cortex. The studies aim to develop technologies for investigating neural circuits and understanding brain diseases.
A deep learning algorithm from VUNO improved radiologists' sensitivity for detecting reticular opacity on chest radiographs in patients with mild to severe interstitial lung disease. The algorithm accuracy reached 98.5% and improved interobserver agreement, suggesting its potential for screening suspected ILD patients.
A recent survey of 88,125 climate-related studies found that 99.9% support human-caused climate change, with only four skeptical papers out of 3,000 examined. The study's findings provide strong evidence for the reality of human influence on climate, allaying any remaining doubt.
Researchers at Graz University of Technology have developed a new production method for germanium-based photoinitiators, making them cheaper and more efficient. This enables their use in contact lenses, prostheses, and artificial human tissue, among other applications.
Left atrium emptying fraction derived from cardiac CTA improves predictive performance of established clinical risk scores. A reduced LAEF independently predicts all-cause mortality within 24 months post-procedure.
An international team of astronomers observed over 1,650 fast radio bursts from one source in deep space, shedding new light on the engine that powers these phenomena. The bursts were measured using the Five-hundred-meter Aperture Spherical Telescope (FAST) and represent more FRBs in one event than all previous reported occurrences com...
A recent study published in the American Journal of Clinical Nutrition found that consuming whole fat milk has no negative impact on children's health. The research, which involved 49 healthy children aged four to six, showed that both groups consumed similar amounts of calories and fat.
A retrospective cohort study of 27 patients with sarcoma lung metastases found high primary technical success rates for percutaneous image-guided microwave and cryoablation. The treatment modality and tumor location did not affect local progression, and smaller tumors showed lower cumulative incidence of local progression.
A prospective study found that liver stiffness measurements obtained by shear-wave elastography decreased significantly after image-guided intervention for chronic Budd-Chiari syndrome in children. Disease recurrence was typically associated with an increase in liver stiffness measurements compared to prior assessments.
Researchers at the University of Virginia Health System have identified 14 genes that can cause and three that can prevent weight gain, offering a promising lead in developing new treatments for obesity. The findings were made using a worm model of obesity and automation to test hundreds of genes.
Researchers at Bielefeld University argue that stigmatization prevented lessons from the HIV pandemic from being adopted by broader parts of society. This has consequences for dealing with the Covid-19 pandemic. The study highlights the importance of including marginalized groups' perspectives in research to learn from their experiences.
A new ex vivo drug delivery system has been shown to keep MSCs viable longer and reprogram the peripheral immune response toward organ repair. The study's results suggest that SBI-101 can impact a peripheral immune response that can be transmitted to local tissue damage in vital organs, including the kidney.
The study analyzed mobile phone data from 1.2 million Austrians, revealing that women make significantly longer phone calls and adhere more closely to governmental measures than men. In contrast, men are less likely to have their mobility restricted and return to normal more quickly than women.
A recent study published in AJR found that gallbladder polyps can fluctuate significantly in size and number over time. The authors suggest revising guidelines to reflect this variability, with no cases of gallbladder carcinoma identified in patients who underwent cholecystectomy.
Researchers found a decline in pollutant concentrations worldwide during the 2020 lockdown, particularly in Central Europe. The study attributed these reductions to the lockdown's impact on sectors like road and air transport, but noted that weather conditions also played a significant role.
A multidisciplinary organization has reached consensus on guidelines for performing, interpreting, and reporting MR defecography. The consensus templates aim to standardize care for patients with evacuation disorders of the pelvic floor.
The American Association for the Advancement of Science (AAAS) has launched a revamped website, integrating its six journals and elevating scientist voices through improved navigation and visuals. The new platform offers readers a more immersive experience, with features such as interactive study images and customizable reading modes.
A new paradigm in breast cancer screening has been established with immediate-read screenings during the pandemic. This approach reduces racial and ethnic disparities in same-day diagnostic imaging, while speeding up diagnoses.
Health professionals call for world leaders to take emergency action to transform societies and limit climate change, restore biodiversity, and protect health. The editorial urges governments to intervene with short-term plans to reduce emissions, conserve nature, and support low-income countries.
Health journals call on governments to intervene and transform societies to limit global temperature increases, halt nature destruction, and protect health. Wealthy nations must do more, with substantial investment needed for positive health and economic benefits.
A UNSW psychology researcher recommends a set of neurocognitive and mental health questionnaires to harmonize the assessment of long COVID patients. These tests can be used internationally and in various cultural settings to address key questions about the problem, including brain fog and dementia risks.
A single-center retrospective study found that preoperative thoracic CT findings can complement preoperative clinical risk factors to improve risk assessment for the need of postoperative mechanical ventilation. Bronchial wall thickening, pericardial effusion, and anteroposterior chest diameter were identified as independent predictors...
A study of over 1,000 patients in Philadelphia's emergency departments found that vaccine hesitancy is common among this population, driven by concerns about safety and research. The authors suggest that EDs can play a valuable role in addressing vaccine hesitancy through targeted education and outreach efforts.
A new study published in American Political Science Review finds that those prone to hostility in offline discussions are also hostile online. The researchers suggest that increasing the visibility of aggressive behavior online can exacerbate online hostility, rather than removing it through education or moderation.
A new 3D spiral gradient recalled echo (GRE) sequence has been developed to overcome conventional challenges in head and neck MRI. This sequence achieves improved image quality and contrast-to-noise ratio compared to traditional Cartesian sequences, while reducing scan time by up to 44.6%.
A deep learning tool for sarcopenia assessment on CT scans shows similar utility in predicting hip fractures and death at both L1 and L3 vertebral levels. Muscle attenuation measurements performed better than muscle area assessments, likely due to the inclusion of intramuscular fat.
A study analyzing 810 papers found that most cell culture experiments neglected environmental conditions, affecting the accuracy of results. The team recommends standard reporting procedures and instruments for better monitoring and control of culture environments.
A new Yale University study reveals that social media platforms like Twitter amplify expressions of moral outrage over time, encouraging users to express more outrage with increased likes and shares. This finding has significant implications for leaders and policymakers who use these platforms.
A single-center retrospective study found that AI-CAD reduced recall rates and improved accuracy compared to digital mammography (DM) and DBT. The study showed lower recall rates and higher accuracy for DM with AI-CAD, indicating a practical addition to lowering false-positive findings.
A new Rutgers study suggests that food companies use the terms "cell-based" or "cell-cultured" when labeling seafood products made from fish cells. The study found that both terms meet FDA regulations and help consumers understand the production process, while also recognizing potential allergens.
A new beetle species, Pulchritudo attenboroughi, was identified in a fossil from the Green River Formation in Colorado, with its unique beauty and preserved patterns making it an exceptional find. The beetle was named after Sir David Attenborough, who inspired its discoverers.
Paleobotanists describe two new genera of ancient conifers based on beautifully preserved fossil seed cones from the Upper Cretaceous of Hokkaido, Japan. The discovery sheds light on the diversity and decline of cunninghamioid conifers during the Cretaceous period.
A retrospective study of over 3,900 patients found that warming iohexol 350 contrast media did not significantly reduce adverse reactions or extravasations. The results suggest that maintaining the agent at room temperature is non-inferior to warming it to body temperature before injection.
The American College of Cardiology has issued clinical guidance on reducing ASCVD risk in patients with persistent hypertriglyceridemia, recommending lifestyle intervention and non-statin therapies. The guidance emphasizes the importance of individualized nutrition guidance for these patients.
A new study updates the world scientists' warning of a climate emergency, highlighting worsening environmental conditions despite reduced fossil fuel use during the COVID-19 pandemic. The authors emphasize the need for profound changes in human behavior and policy shifts to mitigate the crisis.
Researchers analyzed 1.95 million family units, finding a low overall rate of misattributed paternity (1.7%) with rates closer to 1% in recent decades. The study's findings suggest that misattributed paternity is unlikely to have significant effects on hereditary condition studies.
Fionnuala Lundy, an Associate Professor at Queen's University Belfast, has received the IADR Distinguished Scientist Award for her groundbreaking research on naturally-occurring antimicrobial peptides. Her work focuses on oral/dental stem cells, pulp regeneration and various oral diseases.