Researchers discovered a calcified ovarian teratoma in a Roman-age skeleton, shedding light on the presence of this tumour in antiquity. The tumour contained four anomalous teeth and a small bone fragment, providing valuable information for the study of ancient diseases.
A prospective study of 1,200 healthy women found that low serum vitamin D levels before diagnosis increased the risk of premenopausal breast cancer. Women with low vitamin D levels had approximately three times the risk of breast cancer as those in the highest vitamin D group.
A recent study suggests that instant online corrections may not effectively dispel false beliefs, particularly among those who already support the falsehood. The study found that real-time corrections were only effective among participants who initially supported electronic health records, while opponents of EHRs discounted the credibi...
A study published in the Canadian Journal of Anesthesia found that hospitals treating patients with anemia before surgery had better outcomes, including reduced blood transfusions, infections, and shorter hospital stays. Early diagnosis and treatment of anemia are crucial to avoid unnecessary transfusions and improve patient care.
Research finds that exposure to certain plastics and hydrocarbons can cause reproductive diseases and obesity in descendants, leading to epigenetic inheritance. The study identifies nearly 200 molecular markers for exposure and disease, paving the way for diagnostic tools and new therapies.
The new $17 million supercomputer will peak at 3.4 petaflops and offer 2.7 petabytes of usable storage, benefiting climate and biological simulations, energy research, and material science applications. Researchers from around the world can apply to use the system, which is expected to accelerate scientific discovery.
A new approach to analyzing repetitive DNA at chromosome ends has revealed potential cancer clues, including a link between telomere length and genetic mutations. The study found that 32% of pediatric solid tumors carried extra DNA for telomeres, compared to brain tumors and leukemia samples.
A new study finds that prostate cancer stigma is a significant barrier to diagnosis and treatment in Ghana, with many men diagnosed at late stages and opting out of therapy. The researchers aim to develop tailored treatment regimens and increase PSA screening rates to improve health outcomes.
The Department of Energy's Pacific Northwest National Laboratory will receive $2.8 million to develop a next-generation adsorption chiller that is smaller, lighter, and operates under extreme temperatures. The system could reduce diesel fuel use by up to 50% and save lives by reducing attacks on American soldiers.
Scientists at Nottingham University are part of a €18m European-wide project using high-tech laser technology to study how drugs interact with cells. They aim to design more effective treatments for chronic illnesses like cancer and asthma by understanding how drug molecules bind and unbind from proteins.
A new study by health economists at the University of York has produced an estimate of the impact on other NHS patients of new and more costly drugs and treatments. The research suggests a refinement of NICE's cost-effectiveness threshold, potentially leading to lower prices for new drugs when value-based pricing is introduced.
A study by Miriam Hospital researchers found that individuals with more willpower lost more weight, were more physically active, and consumed fewer calories from fat. Practicing acts of self-control, such as eating a low-fat diet and working out, can strengthen the 'muscle' of self-control.
NASA's satellite imagery reveals a powerful band of thunderstorms east of Oswald's center, with temperatures as cold as -63 Fahrenheit (-52 Celsius). The low-level circulation center has become well-defined, triggering severe weather warnings for destructive winds and heavy rainfall across parts of Australia.
A new 'scarecrow' gene has been found that controls a unique leaf structure, leading to more efficient photosynthesis. This discovery could lead to new varieties of staple crops with significantly higher yields through genetic engineering.
Research suggests that HIV-like viruses in non-human primates date back to at least 5 million years ago, possibly up to 12 million years ago. The study's findings indicate an evolutionary arms race between viruses and the host immune system, driving selective changes in antiviral genes.
A meta-analysis of large randomised trials found no significant increase in cancer risk among those taking daily folic acid for 5 years or less. The study provides reassurance about the safety of folic acid intake, particularly in countries where fortification is mandatory.
Research by Liliana M. Garces shows that affirmative action bans have a significant impact on the enrollment of students of color in various graduate fields, particularly engineering and natural sciences. The study suggests that institutions must adopt innovative outreach and recruitment practices to reverse underrepresentation trends.
A study published in JNCI Journal of the National Cancer Institute found that median out-of-pocket costs for Canadian breast cancer patients were $1,002, with higher costs among more educated women and those living far from hospitals. Wage losses had a greater impact on family finances than out-of-pocket costs.
Researchers found that snorers have a significantly greater intima-media thickness of the carotid arteries compared to non-snorers. The study suggests that snoring may be an early warning sign for cardiovascular disease, potentially leading to atherosclerosis and other serious health issues.
Researchers found that N. meningitidis adhesion to human microvessels leads to endothelial inflammatory response, clotting, thrombosis, congestion, and vascular leak, resulting in purpuric rash development. The study's findings challenge previous assumptions about the role of circulating bacteria and LPS release in vascular damage.
A study published in PNAS reveals that dengue fever transmission is driven by human movement within residential networks. The research found that people visiting friends and relatives in nearby homes were the main driver of rapid transmission. This finding has implications for disease surveillance and control.
The Yale School of Environment's Journal of Industrial Ecology publishes a special issue on Sustainable Urban Systems, focusing on integrated approaches to reduce environmental impact. Research explores global warming, waste management, and phosphorus use in cities worldwide.
Research reveals that recreational fishing and Great Depression-era ditches are causing significant erosion and die-off of cordgrass habitat in Cape Cod salt marshes. The unchecked growth of purple marsh crabs has led to the destruction of this essential ecosystem, threatening the region's ecological balance.
Researchers have found that the human papillomavirus 16 (HPV16) is present in the brains of individuals with a common form of childhood epilepsy. The discovery suggests that the virus may play a role in the development of the condition, and could lead to new therapeutic options related to HPV.
Researchers discovered XPD protein's role in locating damaged DNA, which aids cancer treatment development. The protein works like a scanner that glides along the DNA double helix, marking damaged spots for repair.
Scientists use magnetic levitation to create laboratory techniques for growing tissues virtually identical to those found in people's bodies. Researchers combined four cell types to replicate bronchiole deep inside the lung, creating realistic lung tissue.
A team of researchers has found significant errors in a previously published study claiming to identify awareness in vegetative state patients using bedside EEG technology. The reanalysis questions the validity of the original study's statistical methodology and findings.
Two new mutations have been discovered in the 'dark matter' of the cancer genome, occurring in 71 percent of malignant melanoma tumors. The highly recurrent mutations affect a promoter region adjacent to the TERT gene and may contribute to the development of melanoma.
A study led by Michelle Hindin identified research priorities for adolescent sexual and reproductive health in low- and middle-income countries. The top-ranking research questions suggest that definitions of problems and interventions need improvement, with a shift towards scaling up existing interventions and developing new ones.
Researchers have discovered that cells in every part of a wounded skin patch exert force to pull their neighbors along, coordinating their motions to heal the wound. This new understanding could lead to insights into the process and its long-term implications for healing and cancer research.
A BYU mechanical engineering professor's research reveals that internal waves play a crucial role in predicting weather, leading to frequent forecasting mistakes. By understanding how these waves move energy around, forecasters can develop better linear wave models to improve their predictions.
Researchers in Calgary have launched the world's first gene therapy clinical trial for Fabry disease, a rare inherited enzyme deficiency. The trial aims to transplant stem cells with a working copy of the GLA gene into patients, potentially curing the condition.
The new telescope, with a 100m x 100m collecting area, will scan half of the sky daily and synthesize an image of the sky nearly one billion times per second. The CHIME telescope aims to map a quarter of the observable universe, helping scientists understand the history of the Universe and dark energy's role in its expansion.
A team of researchers at Yale University has identified four new genetic suspects linked to the origins and treatment of meningiomas. The study found that tumors mutated with these genes tend to be located in different areas of the brain, indicating their likelihood of becoming malignant.
The famous Chamber A thermal vacuum testing chamber, upgraded to accommodate the James Webb Space Telescope, will undergo a 90-day test period. The test will confirm the telescope's performance in cold temperatures and include operating system tests.
A study finds that breast milk contains very low levels of tacrolimus, and babies can clear the drug at the same rate whether breast-fed or bottle-fed. Women taking tacrolimus who wish to breast-feed after counseling should not be discouraged from doing so.
A study of nearly 600,000 students found that African-American and Hispanic students tend to work longer hours than non-Hispanic white students but experience less negative effects on their grades. High school students who worked long hours at part-time jobs were more likely to be employed and report working more than 25 hours a week.
Researchers found that a small dose of ractopamine increased muscle mass and feed efficiency in pigs without compromising meat quality. The study confirmed previous findings that 5 mg/kg is an appropriate dose for Brazilian commercial pork production.
A Sun coronal mass ejection occurred on January 23, 2013, at a speed of around 375 miles per second, impacting the magnetosphere. The event caused a space weather phenomenon called a geomagnetic storm, potentially affecting GPS and satellite communications.
The NASA Super-TIGER balloon has shattered the previous record for longest flight by a balloon of its size, reaching 46 days in flight. The balloon is carrying the Super Trans-Iron Galactic Element Recorder (Super-TIGER) experiment to measure rare heavy elements among high-energy cosmic rays.
Scientists have created a way to produce crystalline silicon directly at just 180 F by using liquid metal, offering a more efficient and environmentally friendly process. The new method has the potential to significantly reduce production costs and make alternative semiconductors more viable for solar energy applications.
Researchers at Washington University in St. Louis have discovered genetic differences between men's and women's hearts, finding that women with failing hearts have weaker gene expression systems than men, while men are more susceptible to atrial fibrillation and long-QT syndrome.
The gift enables researchers to study ways to improve electrical systems using software-defined networking technology, aiming to boost efficiency and security. The laboratory will be one of the first facilities to test emerging tech in managing power distribution.
Researchers find only 1.5 million named species out of an estimated 5 million, making conservation efforts more hopeful than previously thought. Increased global involvement in taxonomy and exploration can help discover and protect species from extinction.
A study found that among individuals with diabetes, those with both diabetes and kidney disease have a mortality rate of 31.1%, compared to 11.5% for those with diabetes but without kidney disease. Preventing and treating kidney disease in diabetics may be crucial to reducing mortality risk.
Researchers found that female mice exposed to BPA through their mother's diet had increased activity and leaner body mass than those not exposed. The study contradicts previous findings on BPA's role in obesity, highlighting the importance of exposure timing and duration.
A study published in Cephalalgia found a significant correlation between lightning strikes and an increased risk of headache and migraine in chronic sufferers. The research suggests that electromagnetic waves emitted by lightning may trigger headaches, while also producing air pollutants that could lead to migraines.
Researchers found a unique social structure in a small town where males and females coexist in the same roosts. This arrangement allows females to conserve energy and ensures faster growth of their young. In contrast, lowland areas have female-only childrearing colonies.
Researchers have discovered a way to identify and explain the luminosity generated during common envelope events involving binary stars. The events result in bright red outbursts, similar to recently discovered Luminous Red Novae. Natalia Ivanova's analysis provided new insights into these celestial phenomena.
A new study by researchers at the University of Washington and in Indonesia has found that the population of critically endangered Sulawesi black macaques has stabilized over the past decade. The long-term survey, which began in 1999, shows a gradual increase in the number of groups and individuals per square kilometer, with the popula...
Research finds widening gap in obesity estimates attributed to biased self-reports of weight. Increasing bias in self-reported weight contributes to underestimation of clinically measured BMIs.
A new study using a 2,540-metre long Greenland ice core has reconstructed the island's temperature and ice sheet extent during the last interglacial period, known as the Eemian period. The research found that the warmest temperatures were about 8°C degrees warmer than average over the past 1,000 years.
Researchers at Tufts University have found that astrocytes regulate a neurotransmitter involved in sleep, which may lead to the development of effective and fast-acting antidepressant drugs. The study suggests that mimicking sleep deprivation in mice by manipulating astrocytes can rapidly improve depressive-like symptoms.
The Chromosome-Centric Human Proteome Project (C-HPP) is a 10-year effort to map and describe human proteins. The project aims to provide a full catalogue of proteins with practical applications in novel drug targets, diagnostic biomarkers, and understanding cellular regulators.
The special issue covers 17 review articles on various spintronics topics, including magneto-electronics and semiconductor spintronics. It aims to introduce the framework of spintronics and stimulate new ideas by showcasing domestic research results.
University of Alberta researchers identified 23 species of small meat-eating dinosaurs with fossilized teeth, revealing multiple short-lived species instead of a few long-lived ones. The findings suggest that these tiny predators roamed the region for distinct geographic areas and time periods.
Tropical Storm Peta formed off the coast of Port Hedland, Australia on January 22, 2013, with rain rates reaching up to 94 mm per hour. The storm strengthened into a tropical depression before making landfall and dissipating over land, weakening its structure.
A novel aptamer has been developed that specifically targets and stimulates human immune cells, significantly increasing the effectiveness of immunotherapeutic drugs. The aptamer enhances the ability of activated T cells to proliferate and produce immunostimulatory cytokines.
A new study by Cornell University sociologist Sharon Sassler found that cohabiting women tend to take on a disproportionate share of household chores, even when the women work and the men don't. Despite expecting more equal partnerships, most women retain accountability for the performance of their partners' chores.
A study found that revealing the costs of expensive medical tests like MRIs up front had no impact on the number of tests doctors ordered. Doctors have already decided they need to know the information, regardless of the cost.