Researchers have developed a rolling DNA-based motor that's 1,000 times faster than any other synthetic DNA motor, offering potential for real-world applications in disease diagnostics. The new motor uses a burnt-bridge mechanism to guide its movement, allowing it to travel one centimeter in seven days.
A new study suggests that many Europeans experience despondent and stressed feelings during the pre-Christmas period, but Christians, particularly those with high religious affiliation, tend to be more positive and content. Higher education levels and family presence also help individuals cope with the holiday stress.
A new study found that openly sharing patient satisfaction metrics created a culture of empathy, communication, trust, and shared decision making between patients and providers at University of Utah Health Care. This led to improved patient outcomes and cultural change in healthcare.
The World Bank's new 'Power of Nutrition' fund aims to promote breastfeeding and reduce undernutrition in developing countries. Investments in this area could transform the health and economy of these nations, particularly during the critical first two years of a child's life.
A Baylor University study finds that advertising and public relations education lacks essential skills for success in social media. The research recommends incorporating business literacy, math, online community management, and media planning into courses to address these gaps.
A new Black-eyed Satyr species has been described in honor of Sir David Attenborough. The butterfly's unique characteristics led researchers to define its taxonomic placement, which was confirmed by DNA data.
Rice University researchers use engineered viruses that respond to red light to overcome the challenge of delivering genes into host cells' nuclei. By incorporating light-responsive proteins, they successfully control viral activity and gene expression in target cells.
The study reveals that traffic is the largest source of urban air pollution, responsible for 25% of particulate matter. Domestic fuel burning and industrial activities also contribute significantly to air pollution, with regional variations observed.
A new study by Uppsala University researchers found that posttraumatic stress disorder is caused by an imbalance between two neurochemical signalling systems: serotonin and substance P. The severity of symptoms depends on the degree of imbalance, not just one system.
Researchers at Oak Ridge National Laboratory have developed a virtually perfect single layer of 'white graphene,' featuring high mechanical strength, thermal conductivity, and transparency. This breakthrough material could enable faster data transfers and improve the performance of electronic devices.
A newly discovered exoplanet, HD 106906 b, may have been violently ejected from its birthplace close to its star due to a recent gravitational disturbance. The planet is surrounded by a large dust ring or shroud, which could be evidence of the violent episode.
A new study identifies 91 countries at risk from the 'green cancer' miconia tree's expansion, despite warming. The invasive plant's ability to infest territories will not be hindered, but its growth may slow in some areas by 2080.
Researchers found that Ebola virus blood levels are strong predictors of fatality, with case fatality ratios increasing with viremia levels. The study used laboratory and clinical data from 699 patients to model the association between viremia and CFR.
Scientists have discovered that the length of a living organism's 24-hour internal clock remains constant despite temperature fluctuations. The study found that external pathways sensitive to temperature cue the clock to skip ahead or backward, while the core mechanisms within the clock itself remain insensitive to temperature.
A new study by MIT researchers reveals that US states have become more liberal since the 1930s, with a small turn to the left in recent years. The study also shows that regional differences in state-level policies have become more pronounced, with the South becoming more conservative and the Northeast and West Coast becoming more liberal.
A new study found that underage drinkers prefer certain beer brands more than others based on their age and ethnicity. Bud Light was the most popular brand across all demographic groups, while Smirnoff Malt Beverages ranked high among racial and ethnic groups.
The report analyzed outcomes of 26,414 TAVR procedures performed from 2012-2014 and found low risk for mortality, myocardial infarction, kidney injury, and neurologic complications. The most common complications were vascular and bleeding requiring transfusion, with a decrease in vascular complications over time.
A recent study published in Psycho-Oncology found that women with breast cancer who develop depression are at a 45% higher risk of death from all causes. The study suggests that targeted support for these individuals could improve survival rates and quality of life.
A new study reveals that fluctuating food supplies and competition can alter survival of adult fish and cause populations to fluctuate in abundance. The research found strong interactions between the amount of food and the survival rate as well as the number of fish, with more fish leading to less survival due to competing for limited ...
Postmenopausal African American women who use female hormone supplements containing estrogen and progestin are at a 50% increased risk of estrogen receptor positive breast cancer. The study found greater increases in risk for recent and long-term users, highlighting the importance of limiting combination therapy.
A new study by researchers at the University of Texas at Arlington found that straight women place more trust in gay men's dating advice due to fewer ulterior motives. Women are also more likely to form close friendships with gay men in competitive dating environments.
Researchers at TSRI identified a mutant protein's incorrect interactions with other cellular neighbors, which disrupted its normal function. By removing these interactions, they partially restored the protein's normal function, suggesting new therapeutic targets to treat cystic fibrosis.
The James Webb Space Telescope's 'Pathfinder' telescope completed its second super-cold optical test, using specialized equipment to simulate star images and perform end-to-end testing. The successful test demonstrates the ability to optically test and align the telescope at planned operating temperatures.
The James Webb Space Telescope has received its first mirror installation, with 18 primary mirror segments scheduled to be installed by early next year. The mirrors are made of ultra-lightweight beryllium and must remain precisely aligned in space for successful science investigations.
A rare fossil from eastern North America of a dog-sized horned dinosaur has been identified by a scientist at the University of Bath. The discovery highlights an east-west divide in North American dinosaur evolution, suggesting that dinosaurs in Appalachia evolved differently from those in western North America.
The 13th biennial Congress of the International Xenotransplantation Association showcased significant breakthroughs in xenotransplantation, including the survival of cardiac, kidney, and pancreatic islet cell xenografts for extended periods. New technology to improve animal donor safety was also presented.
A study using fMRI found that individuals with ASD exhibit different neural activity patterns when viewing emotional faces compared to typically developing participants. This suggests that ASD is not a uniform condition and may be linked to differences in how the brain processes emotional stimuli.
Birkar, Cascini, Hacon, and McKernan's 2010 article on minimal models for log general type varieties revolutionized algebraic geometry research. The work transformed the minimal model program, marking a watershed in the field and earning them the prestigious AMS Moore Prize.
A Phase II randomized, placebo-controlled study found that taking estriol along with conventional medications helped RRMS patients avoid relapses. Estriol treatment improved cognition and prevented brain atrophy, potentially providing a one-two punch against the disease.
Researchers propose astrophysical explanation for discrepancies between molecular clock and fossil record, suggesting increased cosmic radiation accelerated mutation rates. The hypothesis predicts that organisms in deeper ocean layers will show less disparity between the two methods.
Researchers found that BRCA1 depletion impairs brain cell function and contributes to cognitive decline in Alzheimer's disease. The study suggests that therapeutic manipulation of BRCA1 may prevent neuronal damage and cognitive decline in patients with Alzheimer's disease or at risk for the disease.
Researchers used Statistics Canada's Vital Statistics death database to estimate opioid-related deaths, finding high specificity and reliability. The study provides a new tool for national surveillance of prescription opioid-related deaths in Canada.
A study by University at Buffalo researchers found that testosterone replacement therapy increases insulin sensitivity and reduces body fat in Type 2 diabetic men. Testosterone treatment also improved muscle mass and expression of genes that mediate insulin signaling.
Scientists have successfully simulated 3D models of deep jet streams and storms on Jupiter and Saturn, revealing their dynamics and providing clues to Earth's weather patterns. The study helps clarify the origin and behavior of these features, which remain debated among researchers.
A network of immune cells helps the appendix maintain digestive system health by preventing damage and inflammation during bacterial attacks. This discovery suggests the appendix may be more relevant to our health than previously thought, potentially even serving as a natural reservoir for 'good' bacteria.
The Canadian Task Force on Preventive Health Care recommends against screening older community-living adults for cognitive impairment if they are asymptomatic. However, physicians should investigate patients or their family members expressing concern about possible memory loss.
A study found that concussed football players had reduced cerebral blood flow even after clinical recovery, suggesting a role for MRI in determining when to allow them to return to competition. This technology may provide a more objective measurement of recovery and help prevent second injuries.
A recent study published in Frontiers in Earth Science found that climate change is likely to increase the input of black carbon to the Arctic Ocean. The team, led by University of Georgia Skidaway Institute of Oceanography scientist Aron Stubbins, discovered that black carbon stored in Arctic soils is being exported to the oceans.
Researchers analyzed data from a study of over 4,500 individuals with episodic migraine, finding that those with coexisting asthma were more likely to develop chronic migraine. The study suggests that inflammation and shared environmental factors may contribute to the link between asthma and chronic migraine.
Researchers found Activin-A as a candidate drug target for treating Fibrodysplasia ossificans progressive (FOP), a genetic disease where bone grows in soft tissue. The study uses induced pluripotent stem cells and suggests that inflammation could be the key to preventing diseased bone growth.
A new study by Rice University social scientist Erin Cech dispels the idea that women choose more flexible career fields due to plans to raise children, while men opt for provider-friendly roles. Most students did not consider their future family plans when making career decisions.
Researchers have pinpointed an area of the brain that links anxious temperament to low social status. High-anxious individuals perform poorly in social competition, leading to social subordination. Pharmacological manipulation of mitochondria may influence social rank.
A Sam Houston State University study found that mothers in abusive relationships are four times more likely to report threats against their children during the separation process. This indirect abuse can occur even after the relationship has ended and is a means for abusers to control victims.
A new article by Amitai Etzioni argues that US freedom of navigation operations (FONAs) can be overly aggressive and escalate into dangerous clashes with nations. FONAs operate on a limited budget and are often used as a fallback option after diplomatic efforts fail.
A new study by researchers at the University of Maryland School of Medicine suggests that air evacuation may worsen neurological function and increase brain cell loss in patients with traumatic brain injuries. The study's findings have major implications for the treatment of military injuries.
A team of researchers discovered how a new anti-leukemia drug, JQ1, works by inhibiting BRD4 and causing the NSD3-short protein to 'fly apart', disrupting cancer cell growth. The NSD3-short protein acts as an adaptor protein, coupling BRD4 to CHD8, and has four distinct functions necessary for AML cells to thrive.
Patients at safety-net hospital clinics with high clinician computer use were less likely to rate their care as excellent, and clinicians engaged in more negative rapport building. The study highlights the potential drawbacks of implementing electronic health records in these settings.
New research from Duke University's Sanford School of Public Policy found that income-based school assignment policies in Wake County increased segregation, but those in other large North Carolina districts experienced less diversity and declining test scores for black students.
A new study published in the American Journal of Respiratory and Critical Care Medicine found that critically ill patients experience significant bone loss, increasing their risk of fragility fractures. The researchers suggest that anti-resorptive therapies may be necessary to prevent bone loss in these patients.
Researchers used supercomputer simulations to understand how magnetic fields amplify in collapsing stars, enabling jets that power supernovae and gamma-ray bursts. The study found a dynamo process creates large-scale fields needed for these explosions.
A fruit fly model of Alexander disease has been developed to study astrocyte dysfunction and its role in neurodegeneration. Nitric oxide has been identified as a critical mediator in the process.
Researchers found that establishing up to three supervised injection facilities in Toronto and two in Ottawa would be cost-effective, with an 86% chance in Toronto and a 90% chance in Ottawa. The new analysis took into account recent treatment options for hepatitis C and the speed at which drugs would be rolled out.
Researchers found that moving from forest to urban habitats affects epigenetic patterns of the immune response, while historical lifestyles impact development and physical characteristics. These findings suggest a significant influence of environment on epigenetics and potential risks for autoimmune diseases.
A study published in Nature Neuroscience found that genetic variants associated with schizophrenia were enriched for changes in DNA methylation in the developing brain. The research team identified potential implications for understanding the origins of schizophrenia and other neurodevelopmental disorders.
A new study offers insights into how ovarian cancer grows, revealing a patterned hierarchy of cancer stem cells. The research identifies a key protein, BMP2, that regulates the growth of these stem-like cells. Targeting this protein could lead to more effective therapies for ovarian cancer.
Cities are facing bigger challenges than ever before, including rural-urban migration, optimizing housing conditions, health and education. Digital technology has the potential to overcome many of these challenges, but concerns remain around privacy and cybersecurity.
A study by Cincinnati Children's Hospital Medical Center found that hospital-to-home transitions can cause mental exhaustion, emotional toll, and uncertainty among family caregivers. The researchers identified a need for in-home follow-up visits, telephone calls from nurses, and enhanced care plans to improve the transition.
A study by University of Bath researchers found that reducing the minimum trading unit from one share to one share increased retail trader participation and reduced transaction costs. The change led to a substantial improvement in market quality, with a 10.2% decrease in bid-ask spread on average.
A genetic study of 35,000 patients with inflammatory bowel disease (IBD) reveals new insights into disease progression and severity. The research suggests that IBD may be an array of bowel disorders, rather than a single condition, and could lead to more effective treatments if identified early.
Researchers at Stanford University School of Medicine have identified a gene that appears to reduce the risk of heart failure and improve treatment outcomes. The gene codes for a protein involved in regulating sleep, appetite, and blood pressure, which may play a protective role in the heart.