A new study reveals significant variability in urine sediment test interpretations among nephrologists, emphasizing the need for standardized education and training to improve reliability. This variation can lead to misinterpretation and potential patient harm, necessitating a more standardized approach to diagnose kidney diseases.
Researchers identified a new role for bi-directional connections in accelerating communication between brain regions. By creating loops, these connections can establish resonance and amplify signals, reducing the need for synchronization and increasing network efficiency.
A new COVID-19 pooling test method, P-BEST, has been developed to identify all positive subjects, including asymptomatic carriers, in a single round of testing. The algorithmic method increases testing efficiency and reduces costs, making it ideal for conducting carrier screening when infection rates are low.
A Mount Sinai study found that COVID patients were most commonly readmitted to the hospital for respiratory distress, with chronic obstructive pulmonary disease and hypertension being key comorbidities. The study also showed that these patients had shorter hospital stays and lower rates of anticoagulation treatment.
Researchers create novel method using artificial intelligence to connect static and dynamic calculations, enhancing system security and safety requirements. The approach enables operators to anticipate disruptions and optimize resource allocation for a more resilient power grid.
Tropical Storm Genevieve has weakened rapidly due to various factors, including moderate southerly vertical wind shear and cooler sea-surface temperatures. As of Aug. 21, the storm is expected to degenerate into a post-tropical cyclone, moving further away from the Baja California peninsula.
Scientists have engineered a tiny therapeutic delivery system using lipid-based nanoparticles that safely solve genetic problems in mice. The treatment successfully produced a protein to treat hemophilia and reduced gene activity to lower cholesterol levels, offering hope for targeted therapies.
Researchers found that when flying alone, individual fruit flies freeze as a response to an imminent threat, but this behaviour changes in the presence of others. When other flies begin to move after the threat has passed, it signals safety and causes the freezing fly to exit its frozen state.
A new mechanism for anticancer drug resistance has been discovered in gastric cancer, involving a molecule called Annexin A6. The molecule is secreted by cancer-associated fibroblasts and taken up by gastric cancer cells, leading to increased resistance to treatment.
A research team at Toyohashi University of Technology developed a multiplex genetic diagnostic device for early detection and prevention of crop diseases. The device uses loop-mediated isothermal amplification (LAMP) to diagnose multiple plant viral diseases simultaneously within 1 hour.
Researchers have developed a new type of magnetic tunnel junction with four resistance states, enabling the creation of multi-level memory devices and neuromorphic memory. This breakthrough paves the way for more efficient spintronics devices.
A study from the University of Notre Dame found that over 100,000 people were infected with COVID-19 by early March, despite only 1,514 reported cases and 39 deaths. The researchers attribute this to limited testing and gaps in surveillance during the initial phase of the epidemic.
Researchers found Arctic winter ice grew less than half as much as normal due to increased ocean heat from the interior. This weakening of the halocline barrier allows for more efficient mixing between warmer and colder waters, limiting sea ice growth.
Researchers emphasize the importance of implementing effective post-fracture care coordination programs to reduce secondary fractures, frailty, and mortality in older patients. A novel FLS benefits calculator has been introduced to support decision-making at national and local levels.
Researchers found CAMSAP1 plays a crucial role in regulating axon/dendrite differentiation by creating an unbalanced distribution of microtubules among processes. The study resolves a long-standing question in neuroscience about the decisive factor for neuronal polarity establishment.
Researchers created a novel bioluminescent system to monitor DNA double-strand break (DSB) repair pathways, which play a crucial role in multiple conditions including cancer. The BLRR-based system allows for direct tracking of DSB repair pathways in animals and cell lines, providing new insights into cancer treatment resistance.
Scientists have discovered a connection between the end of the Green Sahara and a previously unknown megadrought in Southeast Asia, which lasted over 1,000 years and affected human settlement patterns. The drought, linked to changes in the Saharan vegetation, led to reduced monsoon moisture across the region.
A new COVID-19 vaccine delivered via the nose produces a strong immune response in mice, preventing infection and sterilizing immunity. The vaccine uses adenovirus technology with mutations to stabilize the spike protein, allowing for a single dose to induce robust protection against COVID-19.
A new study reveals that children with developmental and cognitive impairments are more likely to receive CT scans for appendicitis diagnosis, which increases radiation risk. These children also experience higher rates of postoperative emergency room visits and hospital readmissions compared to neurologically normal peers.
Researchers discovered a previously unrecorded seed dispersal mutualism between the dry-fruited Balanophora yakushimensis and its avian visitors. The birds obtain nutrients from larger fleshy bracts, while the plants benefit from seed dispersal.
Researchers at the Champalimaud Centre for the Unknown have discovered that fruit flies freeze as a social cue of danger, but also resume movement when others start moving again, signaling safety. Group size plays a crucial role in this behavior, with smaller groups freezing less and larger groups showing a more complex response pattern.
A mathematical modeling study examines the potential of contract tracing to combat SARS-CoV-2 transmission under varying assumptions. The researchers found that effective contact tracing can significantly reduce the spread of COVID-19 in scenarios with reduced physical distancing.
A genetic variant of the DUSP8 gene impairs brain response to insulin, leading to increased risk of type 2 diabetes. Research reveals protein Dusp8's regulatory effects on hypothalamic insulin sensitivity and inflammatory processes.
Scientists link the end of the Green Sahara to a previously unknown megadrought in Southeast Asia, which lasted over 1,000 years and shifted human settlement patterns. The study provides new insights into the impact of climate change on societal adaptations and upheavals.
A recent study using genomic analysis compared the ACE2 protein in over 410 species and found that many animals with all 25 amino acid residues matching the human protein are at high risk for contracting SARS-CoV-2 via ACE2. This includes critically endangered primate species, marine mammals, and certain domestic animals.
A study by Hokkaido University scientists found that Interleukin-34 is a prognostic marker and drug target for Triple Negative Breast Cancer. High levels of IL-34 were associated with poor prognosis in TNBC patients.
A study of 109 bird species across eastern North America over a 15-year period found that some birds are more resilient to climate change than others. The research, published in Global Change Biology, suggests that conservation efforts should target vulnerable species and locations predicted to experience extreme weather events.
A group of international scientists has developed a new definition for synbiotics, outlining a mixture of live microorganisms and selectively utilized substrates that confer a health benefit on the host. The definition aims to clarify scientific ambiguity and provide a foundation for science-based claims about synbiotic health benefits.
Researchers found an increased threat to populated areas from rising water tables and the possibility of flooding in unexpected inland areas. The study indicates that rising sea levels could push freshwater closer to the surface, putting infrastructure at coastal seaports and national airports at risk.
Hubble Space Telescope images reveal comet NEOWISE's intact nucleus and intricate coma structure. The telescope's high resolution allows for the detection of dust and gas jets emanating from the nucleus, providing valuable insights into the comet's composition and behavior.
Researchers found an overall increase in ozone levels above the Northern Hemisphere over the past 20 years, despite lower ground-level ozone in some areas. Ozone increases were most pronounced in tropical regions and mid-latitude areas.
Researchers used facial photos to detect coronary artery disease using a deep learning algorithm, achieving high sensitivity and specificity rates. The study shows promise for developing a self-reported application to assess heart disease risk in advance of visiting a clinic.
A massive spinning black hole powers a plasma jet through magnetic reconnection, releasing energy in 'mini-jets' that produce high-energy gamma radiation. This phenomenon explains how the energy reaches the jet's core from the black hole and ultimately originates from its rotation.
A new study found that women surgeons are underrepresented in academic surgery but hold a greater than anticipated proportion of NIH funding, earning 49 R01 grants. Women were also more likely to be first-time grant recipients and had fewer research articles published in scientific journals.
The Roman Space Telescope will detect hundreds of rogue planets using microlensing surveys, improving our understanding of planetary demographics. The mission aims to narrow down competing models of planetary formation by studying isolated planets with masses as small as Mars.
Scientists at Nagoya University developed a new method for visualizing microtubule dynamics and cell membrane protein endocytosis in living plant cells. They successfully used SNAP-tag to mark auxin transporters, allowing clear differentiation between newly synthesized and endocytosed proteins.
A randomized trial compared remdesivir with standard care in patients with moderate pneumonia and SARS-CoV-2 infection. Remdesivir treatment resulted in improved clinical status, with no increased risk of adverse events.
A UTA-owned robot will be used to inspect and analyze the remaining service life of 3.5 miles of pressure pipes in Lubbock. The project aims to evaluate the condition and lifespan of the pipes without replacing unnecessary ones, saving the city costs.
The Greenland Ice Sheet experienced a new record loss of mass in 2019, with a total loss of 532 billion metric tons, more than the previous record year 2012. The study, published in Communications Earth & Environment, found that the ice sheet is now heading towards increasing mass losses.
Sea level variability is expected to increase with warming, altering tidal cycles and enhancing coastal flooding and erosion risks. Researchers found that nearly all global models agree on an overall tendency for increased variability on seasonal-to-interannual timescales.
Researchers create load-bearing structure using local soil, reducing carbon footprint and waste. The new material is expected to be used in construction projects and potentially beyond Earth.
Researchers found two unique learning signals computed in distinct brain regions, one for direct learning and the other for social learning. This integrated brain network supports social influence in human decision-making, particularly in uncertain situations.
Researchers developed a smart eyewear that tracks eye movement and cardiac data, providing accurate measurements in everyday environments. The device uses washable hydrogel electrodes and pulse sensors, offering comfort and durability, with potential applications in health monitoring, virtual reality, and advertising analysis.
The University of Exeter's AI in Healthcare Summit aims to boost collaboration between AI researchers, healthcare experts, and business leaders to address the biggest challenges in healthcare. The summit features panel discussions on cutting-edge technologies such as contact tracing, vaccines, and precision medicine.
A research team at Cornell University created nanoclusters that can self-assemble and mimic the complex structures of DNA, RNA, and proteins. The clusters have three levels of organization with an interlocking, chiral design, making them potential candidates for metabolic and enzymatic processes.
Researchers trap and control light at the interface of atomically thin nanomaterials, leveraging topological effects to create predictable and controllable photonics. The study demonstrates on-and-off electric switching and dimensional hierarchy of the device's topology.
A new Northwestern Medicine study reveals a significant increase in mortality rates due to heart failure and hypertensive heart disease among Black women and men. Despite advancements in heart disease management, the death rate for these conditions rose by 3.5% and 4.8%, respectively, between 2011-2018.
A study by University of California San Diego researcher Gaurav Khanna finds minority students attain 0.8 additional years of education where affirmative action policies are in place. Affirmative action makes going to a good college more attainable, encouraging minority groups to work harder to get into such schools.
Researchers have inferred a tiny neutron star deformation, equivalent to a few micrometres, at a distance of 4500 light-years using the spin-down rate of a millisecond pulsar. This is the first direct detection of continuous gravitational waves from a deformed neutron star.
Researchers investigated gut microbiota and contractility in chronic constipation, finding preserved muscle contraction and increased sensitivity to stimulation. The study highlights the role of overall gut microbiota at a functional level and suggests potential directions for further research.
Researchers used routing apps to model real-time road traffic emissions, providing valuable insights into traffic flows and emissions hotspots. The study found that crowd-sourced data from routing apps could be used to calculate speed-related emissions and provide more accurate emissions models.
A study found that pallid sturgeon stocked in the lower basin of Nebraska, Iowa, and Missouri live an average of just 19.8 years, nearly three times shorter than in the upper basin. The researchers also discovered that females in the lower basin weighed an average of seven times less and spawned fewer eggs over their lifetimes.
Brigham-Grette will lecture on her Arctic drilling research, including the longest sediment core ever collected, which provides new knowledge of Arctic climate from 2.2 to 3.6 million years ago. Her work highlights the importance of scientific drilling in understanding natural variability of climate change.
Researchers discovered that a person's genetic background can alter the risk of heart disease in individuals with familial hypercholesterolemia gene variants. A low polygenic score was found to lower the risk of breast cancer and colorectal cancer in those with high-risk single-gene variants, bringing it closer to the population average.
Researchers discovered increased levels of neuroprotein sortilin in pancreatic cancer cells, suggesting it as a potential therapeutic target. Sortilin's expression was found higher in female patients and contributed to invasive properties of pancreatic cancer cells.
Researchers investigate connection between manganese exposure and community health, particularly in infants and young children in California's Central Valley and coastal areas. The study aims to quantify the impact of manganese-contaminated water on public health, as current regulations are unenforceable.
The study examines how gentrification affects transportation choices and social connections for black working-poor families in Portland. Residents of the historically Black district of Albina experience easier transportation, better social support networks, and a higher density of nearby destinations compared to East Portlanders.
Researchers from Daegu Gyeongbuk Institute of Science and Technology have developed a novel key-value store design for solid-state drives, which improves performance and reduces latency. The new implementation, called PinK, uses log-structured merge-tree technology to enable efficient in-storage computing.
A new study found that ideal cardiovascular health is associated with lower odds for developing ocular diseases, particularly diabetic retinopathy. Practicing healthy lifestyles such as regular physical activity, healthy diet, and maintaining normal weight may also contribute to good eye health.
A study published by the University of Helsinki found that an active lifestyle can significantly reduce fearfulness in dogs. The research revealed significant breed differences, with some breeds, such as Chinese Crested Dogs, being less fearful than others, like Cairn Terriers.