A new study from the University of Toronto finds that diesel trains can emit nine times higher levels of black carbon and ultrafine particles in cars directly behind locomotives compared to busy city streets. Practical steps for passengers include avoiding front cars during peak emissions periods.
Researchers at the University of Pennsylvania have successfully grown a single layer of tungsten ditelluride, a unique two-dimensional material with predicted topological electronic states. This breakthrough could lead to advancements in quantum computing, as these materials may enable intrinsically error-tolerant forms of computation.
A new study found that preschoolers who napped after learning new verbs had a better understanding of the words when tested 24 hours later. The study suggests that parents may want to consider maintaining regular naptimes for preschoolers, who are at an age where naps have a tendency to dwindle.
Eating whole grains improved gut microbiota diversity and short-chain fatty acid production, leading to reduced inflammation and increased memory T cells. The study also found modest effects on TNF-alpha production and immune cell function.
A recent study published in the American Journal of Human Biology found that limited access to dietary protein is a potential driver of obesity among women of low socioeconomic status in Latin America. The researchers used the protein leverage hypothesis to understand differences in obesity among socioeconomic groups and discovered an ...
Researchers identified a neural pathway in humans that explains how the brain processes feelings of fear and anxiety. By analyzing neuronal activity while watching horror movie scenes, they found that the amygdala and hippocampus directly exchange signals to process fearful stimuli.
Researchers found that weight loss significantly reduces the risk of Type 2 diabetes by resetting the chemical messages sent by fat cells. After gastric bypass surgery, volunteers showed improved insulin sensitivity and metabolic health, with reduced markers of disease risk.
Researchers have developed silver ion-coated scaffolds that can slow the spread of MRSA and even regenerate new bone. The biodegradable scaffolds were seeded with stem cells and found to inhibit MRSA while supporting bone tissue formation, offering a potential solution for treating osteomyelitis.
Researchers at the University of Washington used CryoSat-2 data to identify four interconnected lakes draining beneath Thwaites Glacier in eight months. The glacier sped up by about 10 percent during this time, indicating that other factors, such as ocean warming, are driving its long-term movement.
Researchers using advanced methods have measured corotation radii in over 100 galaxies, finding that many bars are rotating slower than previously thought. The team's findings suggest that dark matter halos may not be necessary to explain the observed behavior of galaxy bars.
A longitudinal study of 3,425 German students found that emotions influenced math achievement over time. Students with higher intelligence and those who enjoyed math had better grades and test scores. In contrast, students experiencing negative emotions like anxiety and shame suffered from lower achievement.
Researchers at Max Planck Institute for Chemical Ecology have developed a new technique to visualize molecular distributions on rippled, hairy, or bulgy surfaces. The 'corrective glass' method uses laser ablation electrospray ionization (LAESI) to correct for surface topography and provide accurate chemical imaging.
A new study reveals that researchers publishing in high-impact factor journals tend to have distinct profiles, including living in a country with an official English language, dedicating more time to research, and securing funding. Despite this, the majority prefer being leaders rather than financially compensated.
Thailand successfully eliminated mother-to-child HIV transmission by implementing the WHO four-pronged strategy, including primary prevention, unintended pregnancy prevention, HIV transmission prevention, and treatment care support
Researchers analyzed data from over 580 patients with stage II melanoma and found that 40% of recurrences were spotted by patients due to suspicious skin changes or other symptoms. Patients are encouraged to regularly examine their skin and report any new or unusual symptoms to their physicians.
The splitfin flashlight fish uses bioluminescence to detect and feed on plankton at night. Blinking patterns were found to be adjusted based on the presence of prey, indicating a context-dependent use of light.
Experts suggest taking social risk factors into account to deliver high-quality care to vulnerable populations. The Medicare system can start using existing data on factors like dual eligibility, rural/urban residence, and birthplace to adjust payments and quality measurements.
Scientists at the University of Luxembourg developed Equihash, a memory-hard problem algorithm that resolves Bitcoin's centralization issue. This allows for more democratic digital currencies like Zcash, where users can contribute to mining with standard hardware, reducing investment costs and increasing decentralization.
Scientists at Lomonosov Moscow State University have developed polymer matrices capable of replacing aluminum and titanium in aircraft parts. The new materials possess higher strength than metals, decreasing the mass of aircraft parts that operate at high temperatures.
A national study from England reveals that older women are often excluded from immediate breast reconstruction after mastectomy. Clinicians should adopt standardized assessment tools to identify suitable patients for reconstructive surgery, the findings suggest.
A study led by UT Southwestern Medical Center researchers uncovered molecular pathways behind gut bacterial imbalance during inflammatory episodes. The findings provide insights into developing new prevention and treatment strategies for conditions like IBD, colorectal cancers, and gastrointestinal infections.
Researchers at UNIST have successfully fabricated the world's thinnest oxide semiconductor, just one atom thick, using atomic layer deposition on graphene. This breakthrough material has a wide band gap and high optical transparency, opening up new possibilities for flexible electronic devices.
Researchers used wireless tracking technology to map social interactions in remote hunter-gatherer populations, showing that close friendships facilitate the exchange of information and culture. Strong friendships are more important than family ties in predicting levels of shared knowledge among individuals.
A recent study published in Journal of the American Geriatrics Society reveals that men are more susceptible to cognitive impairment following hip surgery. Cognitive limitations significantly increase the risk of dying within six months for both men and women, with men being up to five times more likely to die than unimpaired women.
Researchers identified key genes in copy number variants (CNVs) associated with neurodevelopmental disorders, including autism, schizophrenia, ADHD, and intellectual disability. These genes have a 'Goldilocks' effect, requiring precise duplication levels to function properly.
Researchers at Ulsan National Institute of Science and Technology create a new technique for enhancing Schottky Diode performance. By inserting a graphene layer, they overcome the contact resistance problem that has remained unsolved for 50 years.
A University of Alberta study found that supporting a partner with depression can lead to improved future mental health. Researcher Matthew Johnson recommends offering 'invisible support' and helping with daily tasks to alleviate stress.
Researchers created functional microtissue technology that mimics human drug responses, identifying effective anti-cancer drugs. The vascularized micro-tumor platform accurately targets both tumor cells and vessels, offering a breakthrough in cancer treatment
Researchers at UTMB have identified inflammation as a major contributor to permanent vision loss after head trauma. Limiting inflammation may help preserve cell function and prevent nerve damage.
A study by Neil Thurman found that readers spend significantly more time reading print editions than digital versions, with 40 minutes spent on print versus less than a minute on digital. This suggests that print media remains a crucial source of attention for newspapers.
A European research team discovered that when restoring nature, initial soil communities lack strong links between organisms. However, with time, these connections strengthen, enabling a diverse plant community to thrive. Fungi are found to drive this process, storing and using nutrients more efficiently.
A new study by Drexel University and others found that youth soccer coaches can be as effective as professional athletic trainers in preventing injuries with short training programs. The 90-minute educational workshop improved movement technique for the majority of soccer players, reducing injury risk.
The Helmholtz Zentrum München will receive 1.5 million euros to develop stem cell culture models on a chip for investigating pancreatic diseases and testing therapy options. The goal is to explore biology, identify points of attack, and potentially develop beta cell replacement therapy.
Researchers found significant increases in miscarriage rates among women undergoing IVF with a prior pregnancy loss when embryo transfers occurred during daylight savings time. The study suggests that circadian rhythm changes may impact fertility.
Researchers have isolated and tested a new indole alkaloid from a deep-water marine sponge, demonstrating potent antibacterial activity against MRSA. The compound, dragmacidin G, has shown selectivity towards bacterial cells over mammalian cells, offering potential solutions for treating MRSA infections.
The study found that tall fescue resulted in more soil carbon than Kentucky bluegrass, but required more frequent mowing. Returning grass clippings increased both soil carbon and nitrogen compared to when clippings were collected.
Children who moved and used their bodies during instruction showed improved math scores, outperforming those who were sedentary. The study suggests individualized learning strategies are crucial for optimizing math performance in school-age children.
Researchers from Boston University School of Medicine developed a new software tool to measure energy production in human immune cells, using Extracellular Flux technology and the SHORE analytical tool. This tool enables accurate comparisons between healthy individuals and those with type 1 or type 2 diabetes.
Researchers found olfactory receptors in human heart muscle that react to fatty acids, reducing heart rate and contraction force. A blocker for the receptor has been developed to mitigate negative effects on diabetic patients and those with increased heart rates.
Adults with higher intakes of dietary protein see greater benefits in muscle mass and strength, regardless of food source. Greater protein intake improves muscle health and strength in both men and women.
A longitudinal study by LMU Munich researchers found that positive emotions and success in math learning mutually reinforce each other. Students who enjoyed and took pride in math had even better achievement than those with high intelligence.
Researchers develop 'release and kill' strategy to target M. tuberculosis in infected macrophages, potentially shortening TB treatment periods. The approach leverages selective apoptosis to release the bacteria from infected cells, making them susceptible to antibiotics.
A study by University of Texas at Austin researchers found that middle school students of color who lose trust in their teachers due to perceptions of mistreatment from school authorities are less likely to attend college. The researchers also found that racial disparities in discipline contribute to this mistrust, with African America...
A study by universities of Bonn and Bamberg found that real-time shower feedback can reduce energy and water consumption by 22%. The feedback system showed current energy and water usage, leading to lasting behavioral changes among participants.
A new study by researchers at Boston Children's Hospital has successfully used stem-cell-derived cells to identify potential treatments for the rare blood disorder Diamond Blackfan anemia. The team found a promising compound called SMER28, which was able to get live mice and zebrafish to produce red blood cells.
Researchers have identified Mycobacterium chimaera bacteria transmission from contaminated cardiac surgery machines in Australia and New Zealand. The infection can cause serious illness but may be treated with antibiotics, according to a new test developed by the University of Melbourne team.
A study by University of Missouri researchers found nearly one-quarter of hospice caregivers experience moderate to severe depression and nearly one-third experience moderate to severe anxiety. Younger caregivers are more likely to be depressed or anxious.
A 19-year survey of gay men found a rise in condomless anal sex and multiple partners, linked to complacency over HIV treatment. Condom use dropped significantly among HIV-positive men, increasing risks for STIs and HIV transmission.
A new therapeutic agent, ST266, has been shown to prevent loss of cells in the optic nerve and reduce inflammation in a mouse model of multiple sclerosis. Early treatment with ST266 improved visual function and prevented damage to the optic nerve.
Researchers identify 'bright spots' of resilience in marine ecosystems affected by climate change. These ecosystem-forming species are either resistant or able to recover from perturbations, with implications for ecosystem-sparing management.
Researchers from New York University Rory Meyers College of Nursing studied genetic and susceptibility risk factors for lymphedema in breast cancer survivors. They found significant associations between genotypes related to several lymphatic and inflammatory genes and symptom phenotypes of impaired limb mobility, fluid accumulation, an...
Researchers from Mayo Clinic have quantified the numbers of various immune cells associated with the risk of developing breast cancer. The study found that women who later developed breast cancer showed lower amounts of antibody-producing immune cells in their breast tissue.
Researchers have developed TumbleBit, a computer protocol that enhances Bitcoin's anonymity by involving multiple parties in transactions. The system's three phases ensure a higher level of security and privacy for users.
Ocean absorbing more carbon dioxide reduces atmospheric greenhouse gas levels, but promotes acidification in marine organisms. A study by UC Santa Barbara geographer Timothy DeVries and colleagues found that a slowdown of the ocean's overturning circulation is likely the cause.
Astronomers have found strong evidence for an intermediate-mass black hole (IMBH) weighing 2,200 solar masses at the center of the globular star cluster 47 Tucanae. The IMBH is believed to be the missing link between stellar-mass and supermassive black holes, potentially providing insight into the formation of galaxies.
Rice University scientists have designed better scaffolds to study cancer, creating more realistic tumor models. The new designs improve cell proliferation and protein production, paving the way for drug development.
A team of Japanese scientists has discovered a new species of polychaete worm, revealing its gel-like coat and long notochaeta. The discovery provides insight into marine life's adaptation to extreme Antarctic conditions.
A new method of repairing injured bone using stem cells from human bone marrow and a carbon material with photocatalytic properties has been developed. The research team found that the material accelerates bone regeneration by activating key transcription factors, leading to increased osteoblast differentiation.
A longitudinal study found that harsh parenting predicts low educational attainment through increasing peer problems. Harsh parenting, defined as yelling, hitting, and coercive behaviors, was related to present-oriented behaviors at the cost of future-oriented educational goals.
Long-term bisphosphonate therapy for Paget's disease of bone found no significant clinical benefits, increasing fracture risk instead.