A recent study found that neuronal microcircuits in the amygdala play a crucial role in regulating fear responses and suppressing fear memories. The researchers' findings suggest that dysfunction of this system can contribute to anxiety disorders, paving the way for more effective therapies.
Researchers developed a new model, MultiRM, that can predict the 12 most desirable RNA modifications for large-scale prediction. The approach integrates multiple tasks into a single prediction task, providing a more comprehensive view of epitranscriptomes and discovering underlying mechanisms.
Researchers discovered that cells sense and respond to mechanical forces based on the rate of force application, which can lead to cell stiffening or softening. The 'molecular clutch' model explains how this affects cellular behavior, particularly in cancer development and organ function.
Researchers used 3D printing and water tank experiments to study ancient cephalopod movement. They found that straight-shelled orthocones likely lived a vertical life, jetting up and down to catch food and evade predators.
A University of Illinois study finds that US corn and soybean varieties have become more resilient to extreme heat and drought but less adapted to normal weather patterns, leading to reduced productivity. The researchers call for crop breeders to focus on developing crop varieties for diverse weather patterns.
A research team has explained the cause of Jupiter's X-ray aurorae, a phenomenon puzzling scientists for decades. The study found that heavy ions with mega-electron volt energies produce the auroral flares, triggered by magnetic compression and electromagnetic waves in Jupiter's magnetosphere.
A new UK study found that around 1 in 20 children hospitalized with COVID-19 develop brain or nerve complications linked to the viral infection. The research identified a wide spectrum of neurological complications in children and suggests they may be more common than in adults admitted with COVID-19.
Scientists at Sinai Health discover that all cancers fall into two categories based on the presence or absence of YAP. This binary rule reveals different drug sensitivities and resistance in each classification, offering a new strategy for treating aggressive forms of cancer.
A new method developed by Institute for Systems Biology allows researchers to show how fatty acids are absorbed by single cells. The study reveals that fatty acid uptake is differentially regulated by two downstream effectors of the mTOR pathway in brain cancer cells, uncovering a novel combination therapy to block tumor growth.
A small UCSF study found that COVID-19 mRNA vaccines were not detected in human milk, providing early evidence of vaccine safety during breastfeeding. The study analyzed seven women and their children and found no trace of the vaccine in breast milk.
A UCSF study found that azithromycin was not effective in preventing symptoms of COVID-19 among non-hospitalized patients, and may actually increase their chance of hospitalization. The study's results challenge the widespread use of azithromycin as a treatment for outpatient SARS-CoV-2 infection.
Researchers found that protistan grazing pressures are higher at hydrothermal vent sites than surrounding deep-sea environments. Protist consumption of bacteria and archaea biomass accounts for up to 22% of fixed carbon.
A Ludwig Cancer Research study has found that transient chromosomal instability events can lead to the formation of tumors in mice. The researchers induced random chromosome instability in mice for one week and found that this was enough to trigger harmful chromosomal patterns that spur tumorigenesis.
A drug candidate developed from a molecule in the venom of the Fraser Island funnel web spider can prevent damage caused by a heart attack and extend donor heart life for organ transplants. The treatment blocks a death signal sent from the heart after an attack, reducing cell death and improving survival.
Researchers at Université libre de Bruxelles compare popular neuro-evolutionary methods for offline robot swarm design, observing a 'reality gap' where simulated neural networks fail in the real world. To address this, they propose reducing method 'power' to adopt simpler approaches with predefined building blocks.
Researchers investigated the reliability of COVID-19 death data by analyzing the gap between excess mortality and confirmed mortality in 67 countries. The study found a significant discrepancy between the two, highlighting concerns about the accuracy of official COVID-19 death tolls.
Researchers developed a simplified method to calibrate optical tweezers for measuring viscoelasticity in living cells. The new method reduces measurement time to just a few seconds, allowing for the study of dynamic processes that can't be captured with longer measurements.
Researchers have discovered a human cell protein that uses detergent-like action to dissolve bacterial membranes, killing invading pathogens. The protein, APOL3, is found in non-immune cells and offers wide protection against infections.
The anammox bacterium uses the nitrite oxidoreductase enzyme (NXR) to convert toxic nitrite into nitrate, a crucial process in nature's nitrogen cycle. Researchers have now mapped the molecular structure of NXR, gaining insight into its complex structure and organization within the cell.
A new study found that body mass index (BMI) is a risk factor for diabetes, but the optimal BMI threshold for screening varies significantly across low- and middle-income countries. The researchers analyzed data from over 680,000 people in 57 countries and found that individuals with a BMI of 23 kg/m2 or greater had an increased risk o...
Research on brainless slime molds reveals that Physarum polycephalum uses its body to sense mechanical cues in its environment, performing computations similar to thinking. The organism grows toward the greater mass without physically exploring the area, and makes decisions based on relative patterns of strain it detects.
A new genetic test for glaucoma has been found to identify high-risk patients 15 times more effectively than an existing test. The test, which can be performed on a blood or saliva sample, has the potential to detect irreversible vision loss before it occurs.
A new study published in the North American Menopause Society's journal Menopause found that a plant-based diet rich in soy reduces moderate-to-severe hot flashes by 84%, with nearly 60% of women becoming free of these symptoms. The study also showed improvements in sexual symptoms, mood, and overall energy.
Researchers found that resilience fluctuates over time, with emotional exhaustion increasing and commitment decreasing. Factors like experience within the organization and emotional stability influence these effects.
The study found that racial and ethnic minority groups have increased their representation among US healthcare workers, from 1999 to 2018. The authors suggest this shift may be due to efforts to increase diversity in the medical workforce.
Researchers from Stanford University and the University of Leuven have discovered a process to convert methane into methanol at room temperature using iron zeolites. The 'cage effect' in the zeolite structure plays a crucial role in reactivating deactivated sites, enabling efficient production of methanol.
A new model calculates maximum running speeds for animals of any size, revealing that medium-sized animals achieve top speed due to their body shape and leg structure. Larger or heavier animals are limited by the weight and stiffness of their bones, resulting in lower top speeds.
A new study has identified key risk factors for major atrial fibrillation outcomes in patients with hypertrophic cardiomyopathy, including age, obesity, and heart function. The research aims to create a risk-assessment tool to identify high-risk patients and prevent hospitalizations.
The UNITE4TB partnership aims to develop new and highly active TB treatment regimens for drug-resistant and -sensitive TB. The 7-year project will utilize advanced clinical trials networks, adaptive trial designs, and machine learning techniques to accelerate the development of better treatment solutions.
The University of Minnesota has developed a new tool to help farmers make informed crop input decisions, balancing economic and environmental costs. The tool uses machine-learning-based metamodels to predict nitrogen reduction scenarios and identify hotspots for mitigation, while also considering regenerative practices like cover cropp...
Researchers developed nanoscale sensors that can convert brain electrical activity into optical signals detectable outside the body. These sensors, called NeuroSWARM3, offer a non-invasive way to track brain activity and could one day enable people with physical disabilities to interact with the world and control wearable technology.
Researchers found that emotion knowledge, cooperative social behavior, and locomotor activity are interrelated and associated with numerical skills in preschool children. These fundamental skills can promote numerical learning and suggest that locomotor activity should be added to early education.
A recent study published in PLOS Biology found that graduate students participating in professional development opportunities unrelated to their lab work did not delay their time to graduation or manuscript publication rates. The research suggests that these activities can be beneficial for career exploration and skill-building without...
Researchers investigate how mathematics education values vary across cultures, influencing technological advancements and social interactions. The study seeks to understand the significance of mathematics in different societies, emphasizing its importance in shaping our understanding of the world.
New research reveals that acute exercise can slow down the growth of bowel cancer cells by releasing proteins into the bloodstream. This finding suggests that regular physical activity may lower the risk of developing bowel cancer, even in individuals who do not experience weight loss.
A New York State study found that predominantly white students and rural/suburban students had better access to in-person and remote elementary schooling during the pandemic. The study highlights inequities in education access, particularly for disadvantaged children who were not from low-income families or have disabilities.
A group of geneticists have outlined a plan to increase diversity and inclusion in their community, including boosting representation at academic conferences and addressing obstacles for underrepresented groups in research labs. The action plan aims to improve equity and fairness in the field of genetics and beyond.
Researchers use ultrafast electron diffraction to observe an electronic device as it operates, discovering a new intermediate state that enables fast and energy-efficient switching. The study paves the way for next-generation electronic devices that can meet the world's growing needs for data-intensive computing.
A new COVID-19 vaccine candidate has shown effectiveness in inducing both neutralizing antibodies and CD8+ T cells, potentially reducing disease transmission. The vaccine combines yeast-expression technology and a novel adjuvant formulation, making it suitable for large-scale production and cost-effective distribution.
Researchers developed an optimized schedule for automated biology lab robots, maximizing experiments within time and resource constraints. The S-LAB framework accounts for time constraints and resource conflicts, improving efficiencies in life science experiments.
A new study found that teens with secure family relationships at age 14 provide greater empathic support to their close friends across adolescence. They also tend to receive more support from their friends, suggesting a reciprocal relationship between the two.
The NanED project aims to train 15 PhD students in 3D electron diffraction (3D ED) techniques, with a focus on industrial applications. The program will be led by the Istituto Italiano di Tecnologia and unite experts from 8 European research institutions and global companies.
A new paper synthesizes results from nearly thirty researchers on nitrogen management in agriculture, identifying areas for improvement and providing a foundation for sustainable nitrogen management. The study's findings have significant implications for addressing food security and environmental pollution challenges.
Five teams have been selected to share $125,000 for developing solutions to reduce byproducts and generate more freshwater from inland desalination plants. The winning teams will receive additional funding and testing opportunities to advance their prototype.
A recent study funded by NIH found that excessive daily screen time is associated with cognitive and behavioral issues in extremely preterm children. Children who spent more than two hours on screens per day had lower IQ scores and poorer problem-solving skills compared to their peers.
Researchers at Penn State identified a link between red blood cell flow and fluctuations in brain oxygenation. The study found that random flow rates through tiny blood vessels contribute to these changes, which may have implications for understanding neurodegenerative diseases.
Chronic kidney disease patients are at high risk of fragility fractures, yet most receive no osteoporosis therapy. A new review provides concise recommendations for clinicians to manage osteoporosis in these patients, outlining diagnosis, risk assessment, and intervention thresholds.
A new study highlights the need for change in Malta's school curriculum to combat obesity, which affects 40% of primary and secondary school children. Introducing a more physically intense PE program improved BMI and overall health among children.
A study from Copenhagen Business School reveals that website owners can influence users' data privacy decisions by manipulating the choice architecture and outcome. The researchers argue that this approach is problematic as it exploits psychological mechanisms to benefit the website owner, rather than benefiting the user. The findings ...
A recent study by the Max Planck Institute for Human Development found that spending time outdoors positively affects brain structure and gray matter in the right dorsolateral-prefrontal cortex. This area is involved in planning, regulation of actions, and cognitive control. The results persist even when other factors are kept constant.
Researchers introduce RoseTTAFold, a neural network approach that accurately predicts protein structures, outperforming traditional methods and rivalling DeepMind's AlphaFold2. The tool's code and public server are now accessible to the scientific community, enabling rapid solution of challenging structure determination problems.
The US Department of Energy has awarded $2.1 million to PPPL for three public-private fusion energy partnerships. These collaborations will bring together PPPL researchers with Microsoft, Commonwealth Fusion Systems, and TAE Technologies to develop innovative solutions using AI, computer codes, and novel superconductors.
Researchers have discovered a new inorganic material with the lowest thermal conductivity ever reported, offering fundamental insights into heat management and waste heat conversion. The material combines two arrangements of atoms that slow down heat transport, resulting in a significant reduction in thermal conductivity.
A new protein, UAD-2, has been identified as essential for the genesis of piRNAs in Caenorhabditis elegans. The protein and its associated complex colocalize with histone marks in the nucleus.
A rapid method to quantify antibodies against SARS-CoV-2 has been developed by scientists at Hokkaido University. The test is highly accurate, quick, and easy to perform, requiring only 20 minutes to complete.
Scientists identify BMPR-2 as a key regulator of selective stabilization of neuron branching, strengthening connections only when received signals from other neurons. Glutamic acid is also found to activate the process, demonstrating simultaneous control necessary for selective branch stabilization.
A novel body tissue adhesive incorporating snake venom has been developed to stop life-threatening bleeding in seconds. The 'super glue' works with visible light and offers 10 times the strength of existing fibrin glue, cutting blood clotting time in half.
A national survey reveals a pronounced lack of needed skills in the regenerative medicine biomanufacturing workforce, highlighting key findings and recommendations to address this gap. The study suggests five strategies for developing the workforce ecosystem, including faculty development opportunities, work-based learning, and policy ...
A study found that transvaginal ultrasound (TVUS) screening missed over four times more cases of endometrial cancer among Black women compared to White women. The screening tool was not sufficiently accurate or racially equitable for Black women, putting them at a higher risk of false-negative results.
A new meta-analysis suggests that people who use cannabis are more than twice as likely to initiate opioid use and develop problematic patterns of use compared to those who don't use cannabis. However, the low quality of evidence makes it unclear whether there is a causal relationship between cannabis and subsequent opioid use.