A study found that children with suspected appendicitis receive better diagnostic evaluation and reduced radiation exposure when ultrasound services are available 24/7. Hospitals can improve care by adding in-house coverage for ultrasound.
Researchers at the University of Kansas have observed counterintuitive motion of electrons during experiments, moving from top to bottom layer without being spotted in the middle. This quantum transport efficiency is promising for new materials in solar cells and electronics.
A new study by Johns Hopkins researchers found that city living can worsen asthma in poor children, with urbanization and black race being strong independent risk factors for increased asthma morbidity. The study analyzed data from over 16 million children enrolled in Medicaid between 2009-2010.
Researchers are developing new biomarkers to identify high-risk blood clots in cancer patients, with the goal of increasing survival rates. The study will analyze blood samples from underrepresented populations to standardize and validate existing biomarkers.
A massive protostar underwent an intense growth spurt, reshaping its surroundings and emitting nearly 100 times more light. This event supports the theory that young stars can experience dramatic growth spurts, which may be triggered by star-forming gas crashing onto their surfaces.
A meta-analysis of three randomized trials found that vitamin E supplementation reduced the risk of contrast medium-induced acute kidney injury (CIAKI) by up to 62%. This may be due to its antioxidant activity, with a pooled effect indicating significant protection against CIAKI.
Researchers from the University of Washington and US agencies propose strategies for sustainable subsistence hunting, reducing crowding and ensuring ecological space. They emphasize the importance of monitoring subpopulations regularly and adjusting harvests accordingly to mitigate negative effects of habitat loss.
Proteins' tiny motions, called vibrations, enable interactions with other molecules. A new study shows that the direction of these vibrations matters more than previously thought, shedding light on how proteins interact and facilitating tasks like absorbing oxygen and repairing cells.
Researchers found that CEOs with moderate social capital are most likely to voluntarily step down from a failing company. In contrast, those with high or low social capital are less likely to quit due to the potential consequences of their actions on their reputation and job prospects.
Researchers have devised a strategy to specifically target cancer stem cells in some cancers and reduce their tumor-generating potential. Combining Nutlin-3 and Paclitaxel showed potentiated tumor response and prevented relapse in Numb-deficient tumors, suggesting the potential of these drugs as treatment options.
A new study found that 'low-content' nutrient claims on packaged goods do not necessarily indicate better nutrition; instead, they can be relative within brands or categories.
Researchers found a significant association between sulfide-producing bacteria and increased risk of colon cancer in African-Americans. The study also revealed that Bilophila wadsworthia, a bacterium producing hydrogen sulfide, was more abundant in African-Americans with colon cancer than healthy counterparts.
Researchers found that E. coli toxins bind to elongation factor Tu and another protein EF-Ts to target specific tRNA molecules, inhibiting cell growth and leading to diarrhea or hemorrhagic colitis in humans.
Scientists studied the circadian clocks of two fruit fly species from Finland and Tanzania. Finnish flies adapted their activity pattern to longer days, while Tanzanian flies were influenced by the equator's long daylight hours. The study reveals tiny differences in the flies' brains that affect their behavior.
Oregon's end-of-life care approach is characterized by higher rates of home hospice use and fewer hospitalizations, while Washington lags behind in implementing similar initiatives. The state's POLST Program has been instrumental in honoring patients' wishes and improving symptom management.
A study from Duke-NUS Medical School found that tailored physical therapy programs can significantly reduce the severity of falls and slow physical decline in elderly patients. Those with fewer medical conditions reported fewer falls overall.
A new study found that intensive medical treatment using oral medications, insulin, and lifestyle therapies can reverse type 2 diabetes in up to 40% of participants. The study's findings support the notion that type 2 diabetes can be reversed, at least in the short term, with medical approaches.
Researchers created a new model to predict decompression sickness severity after deep-sea dives. The model estimates both the risk and severity of symptoms, allowing divers to better plan their ascents and prevent painful and potentially fatal results.
Researchers at Cardiff University have devised a new way of creating the leading anti-malarial drug artemisinin, which could reduce market fluctuations in the supply chain and help study resistance to the drug. The new method bypasses several key steps in the production process, achieving the desired outcome in just four steps.
A new academic journal, Materials Today Physics, launched by UH physicist Zhifeng Ren will focus on thermoelectric and photovoltaic materials. The journal aims to speed the dissemination of crucial information about materials from discovery to application.
A study of over 25,600 patients found that long-term dual antiplatelet therapy increases mortality risk, especially after bleeding events. Ischemic events also pose a significant threat to patient lives.
The new test classifies samples into common ABO and Rh blood groups in under 30 seconds after two simple steps, with high accuracy rate even for rare blood types. The test's rapid turnaround time makes it ideal for resource-limited situations such as war zones or emergencies.
A new computational method allows researchers to quickly compute immune cell infiltration and calculate personal immune response profiles for thousands of patients. The study reveals complex interactions between different immune cell types in the tumor microenvironment play meaningful roles in patient survival.
Scientists at UNC Chapel Hill have identified a key genetic switch that helps soil bacteria living on and inside plant roots harvest phosphate. This discovery raises the possibility of probiotic treatments to increase plant efficiency and address the impending global phosphate shortage.
A new biomarker may help predict which children will take longer to recover from traumatic brain injury (TBI). Half of the children with moderate to severe TBI had slow transfer times, indicating progressive decline in white matter.
A Duke Health-led research team has developed a synthetic HIV outer envelope mimic that induces broadly neutralizing antibodies with vaccination. The study supports the concept of designing vaccine candidates that mimic critical regions of HIV.
Juvenile polar cod rely heavily on ice algae for sustenance, with 50-90% of their carbon coming from these tiny organisms. As Arctic sea ice melts, the fish's food source is threatened, posing a risk to the entire food web.
Researchers are using wild relatives to breed more resilient sunflower varieties, reducing the impact of diseases, weeds, and insects. The study highlights the importance of annotating genetic information in wild relative collections to preserve traits for future use.
Researchers tracked over 1,600 bumblebee families and discovered that access to high-quality food resources is vital for their survival. The study suggests that environmentally-friendly management of farmland can increase the probability of family survival by up to four times.
Researchers at ETH Zurich and IBM Research Zurich have built a tiny redox flow battery that supplies electrical power and cools computer chip stacks simultaneously. The new micro-battery reaches record-high output and has potential applications in lasers, solar cells, and large energy storage systems.
A Finnish-Swiss research team analyzed half of the human protein phosphatome, identifying molecular functions and pathways connecting protein phosphatases. The study reveals phosphatase-based regulation of human cancer and promises therapeutic intervention.
Researchers at Columbia University College of Physicians and Surgeons and Harvard School of Medicine found that yoga classes and coherent breathing reduced depressive symptoms in adults with major depressive disorder. Participants who took three yoga classes a week showed significant improvement compared to those taking two classes.
Researchers have identified a mechanism by which the body controls the fate of stem cells, allowing them to adapt and differentiate into various types of cells. This discovery can help improve the effectiveness of stem cell therapies, potentially leading to better treatments for diseases like Parkinson's.
A clinical trial shows that combining chemotherapy drug temozolomide with radiation therapy extends survival by two months in older patients with glioblastoma. The treatment also improves survival for 45% of participants, linked to a molecular marker indicating active DNA repair mechanisms.
Researchers found whole-body vibration (WBV) to be as effective as regular exercise in improving bone formation and insulin sensitivity in obese mice. WBV was shown to mimic the metabolic effects of exercise, with benefits seen in both genetically normal and obese mice.
A study by Brigham and Women's Hospital investigators found that 55 out of 270 genetic loci associated with seven autoimmune diseases could be mapped back to causal genes using eQTLs in immune cells. However, this only accounts for a small fraction of the genetic loci examined.
Researchers at the University of Birmingham found nearly 24,000 children prescribed epipens between 2000 and 2012, with prescriptions increasing five-fold over 12 years. The study highlights a need for clear guidelines on optimal epipen prescribing to reduce unnecessary prescriptions and ensure child safety.
A new flexible sensor developed at the University of British Columbia holds potential for foldable touch screens and wearable devices. The sensor detects different types of touch, including swiping and tapping, even when stretched or bent.
The study demonstrates that pNaKtide attenuates the development of experimental nonalcoholic fatty liver disease (NAFLD) and atherosclerosis in mice fed a Western diet. The researchers found improvements in insulin sensitivity, dyslipidemia, and cholesterol levels.
Researchers develop CelePlum-777, a nanoparticle-based drug combo that kills melanoma cells with minimal side effects. The treatment reduces cancer cell growth and resists resistance development, offering new hope for melanoma patients.
A recent study published in The Journal of Bone & Joint Surgery found that patients undergoing total hip replacement surgery experience significant improvements in quality of life (QOL) through at least five years after the procedure. The SF-6D score, a widely used measure of patient-perceived QOL, showed lasting improvements in scores.
The James Webb Space Telescope is inspected for contamination using ultraviolet flashlights in a darkened clean room. The long exposure captures the technicians as 'ghostly wraiths', while a special light technique illuminates the primary mirror.
A study of 2,000 people found that women report higher stress levels than men for various life events, including death of a loved one, illness, and Brexit. This increased stress can lead to long-term physiological problems, such as ulcers or an increased risk of heart attack.
Researchers at the University of Alberta have developed a photocleavable protein that breaks into two pieces when exposed to light, allowing scientists to study and manipulate activity inside cells in new ways. This tool has vast potential applications in various fields of research, including development biology and gene-editing techno...
A University at Buffalo research team has successfully reprogrammed adult skin cells into neural crest cells, a type of stem cell, without adding foreign genetic material. These cells can differentiate into various cell types found in the spinal cord and brain, holding promise for studying genetic diseases and generating regenerative t...
Researchers at FAU have created a method to combine exhaust gas purification with the synthesis of high-value products. Nitrogen oxides can be used to produce balsalazide and sulfasalazine, two drugs for chronic inflammatory bowel diseases.
A new study found that an antibody targeting CD47 can effectively treat five types of pediatric brain cancer in mice, with no harm to healthy brain cells. The treatment, developed at Stanford, has shown promising results in preclinical trials and is expected to reach clinical trials in children with brain cancer in one to two years.
Researchers from Lund University reviewed 120 articles on climate change between 1997 and 2013, finding no omission of results that could challenge the theory. However, they did find widespread selective reporting of large statistically significant results.
Researchers create a system to detect eating behaviors and emotional responses using wearable devices, aiming to reduce obesity. The M2FED approach uses sensors to measure mood and conversation, with high accuracy rates for detecting emotions such as anger, anxiety, boredom, happiness, and sadness.
Scientists discovered that 'bad' mitochondria accumulate in old kidneys, leading to permanent damage and renal failure. Preliminary training may not be effective in older animals due to impaired quality control mechanisms.
A new study developed a better method for evaluating fabric softeners that could lead to potentially "greener" and more millennial-friendly versions. The researchers found that the concentration of surfactant affected vesicle size and arrangement, which could help manufacturers assess efficiency and speed up design.
New research reveals that as taller shrubs expand into the tundra, nutrients in their leaf litter can either promote or reduce nitrogen fixation. The study, led by Kathrin Rousk and Anders Michelsen, found that warming conditions stimulate nitrogen fixation rates in mosses, but further shrub expansion will depend on dominant species.
Researchers found distinct genetic differences between soft coral populations in northwest Ireland, southern Portugal, and southwest Britain. These findings suggest that some marine species can be as disconnected as those divided by mountains or motorways, highlighting the need to protect each species in multiple locations.
The study found two distinct extinction events linked to climate change, which slowed the world's recovery after the 'Great Dying'. The evidence suggests that modern ocean life evolved during this recovery period, and may respond similarly to current climate change.
A study analyzing 24,000 blood samples from migratory and resident birds in the Americas found 79 malaria parasite lineages. The researchers discovered that prevalence varies between localities and species, with some areas having infection rates as high as 37%.
Researchers at FAU successfully generate electron packets with lengths of 1.3 femtoseconds, enabling imaging of atomic movements on ultra-short time scales. The method uses laser-controlled acceleration, deceleration, and deflection of electrons, paving the way for ultra-high resolution electron microscopes.
Researchers have discovered that YouTube's encryption is not secure enough to protect user anonymity. A machine-learning algorithm can identify which videos a user watched with high accuracy, allowing intelligence agencies and internet marketers to track viewing habits.
A Florida clinic's unproven stem cell treatment blinded three women with macular degeneration, causing vision loss and other complications. The treatment, which involved injecting fat cells into the eyes, lacked proper scientific design and oversight.
The use of computerized clinical decision support systems improves prophylaxis for venous thromboembolism among surgical patients, reducing the risk of developing a blood clot by up to 50 percent. Computerized systems also increase the rate of appropriate treatment ordering.
Scientists create a more environmentally friendly way to produce vanillin by encapsulating copper-aluminum hydrotalcite in silica. The new process eliminates the need for polluting hydrochloric acid and allows for catalyst reuse.