Researchers at the University of Cincinnati have successfully developed an artificial pore that can transmit double-stranded DNA through a membrane. The engineered channel was created by inserting the modified core of a nanomotor into a lipid membrane, allowing for the movement of single- and double-stranded DNA.
Researchers at the University of Texas at Austin discovered that electric fish communicate by quickly plugging special channels into their cells to generate electrical impulses. The fish use a dimmer switch to save energy by turning their electrical signals up and down.
A University of Michigan study found that life expectancy rose by 6.2 years during the Great Depression, surprising experts. Researchers discovered this increase occurred for both men and women across racial groups, likely due to reduced stress, sleep, and substance abuse in recessions.
The Johns Hopkins Center for the Epigenetics of Common Human Disease has been awarded a $16.8 million NIH grant to advance genomics research. The team will focus on studying epigenetics' role in diseases such as bipolar disorder, aging, and autism.
Researchers from Boston University School of Medicine recommend that women on hormone therapy continue their treatment before annual mammogram screenings. The increase in breast density due to hormone therapy is unlikely to mask early cancer detection, making it unnecessary to stop treatment prior to screening.
Cells in developing tissue consider their history of signaling exposure to determine location, challenging the widely held hypothesis that morphogens are the primary source of positional information. Researchers found that cells require a 'memory' of past exposure to morphogen signals to adopt specific gene expression patterns.
Researcher Elena Nicoladis found that Germans use their thumb to begin counting, while Canadians use their index finger. This variation can lead to miscommunications and misunderstandings, particularly for non-native speakers.
Christine Bullen received the Stevens Institute of Technology Provost Award for her innovative work in teaching and advising in the university's online WebCampus program. She has also developed a four-course IT Outsourcing program, which has been reported to be invaluable by its graduates.
A new method of delivering measles vaccines, using an inhalable powder, has shown promise in test animals. The powder is produced by mixing a weakened measles virus with high-pressure carbon dioxide and can remain stable for at least eight weeks at room temperature.
MESSENGER will zip within 142 miles of Mercury's surface, taking high-resolution color images and ultraviolet measurements. CU-Boulder's MASCS instrument aims to pinpoint iron on the planet's surface, which maintains its magnetic field.
Repeated suicide attempts in older women increase risk of completed suicide, while severe attempts in men do the same. The study highlights the importance of observation and treatment for vulnerable populations.
A recent poll found that 59% of Massachusetts residents support the state's landmark 2006 health reform law, while 79% want the law to continue despite rising healthcare costs and fiscal challenges. The majority of respondents believe the law is successful in providing health insurance coverage to nearly all residents.
A study found that despite electronic alert notifications, patients with abnormal imaging test results often do not receive timely follow-up care. This is particularly challenging due to the high volume of transitions between clinicians in outpatient care.
A population-based study found that initiating cholinesterase inhibitor therapy for dementia increases the risk of hospitalization for bradycardia by over doubling. Meanwhile, a separate team led by Louisa Degenhardt examines cannabis use as a risk factor for psychosis and proposes its inclusion in global burden of disease estimates.
A recent study published in PLOS Medicine suggests that individuals prescribed thiazolidinediones for type 2 diabetes are at increased risk of bone fractures. The self-controlled case-series study analyzed data from over 6 million patients and found a nearly one-and-a-half times higher fracture rate among those taking the medication.
A new Kaiser Permanente study found that women with diabetes are 26% more likely to develop atrial fibrillation than non-diabetic women. The study involved nearly 35,000 patients over seven years and isolated the effect of diabetes as an independent risk factor for women.
Van Andel Institute researchers found the gene RhoB is crucial in the progression of Myelodysplastic Syndrome (MDS), a bone marrow disease affecting up to 15,000 people annually. The study's findings may lead to new treatments for late-stage MDS and its potential applications in leukemia and solid tumors.
Australian researchers have discovered a vast number of new species of invertebrates living in underground water, caves and micro-caverns across arid and semi-arid Australia. The team found whole communities of previously unknown invertebrate animals, revealing a completely new component to the country's biodiversity.
The University of North Carolina has been awarded a $8.6 million NIH grant to investigate the complex factors contributing to psychiatric disorders such as autism, depression, and anxiety. By using laboratory mice to screen genetic possibilities, researchers aim to understand how genes and environment interact to shape these traits.
A Swiss study found that prostate cancer patients with lower incomes receive worse care and have a higher risk of dying from the disease. The research suggests that socioeconomic status plays a significant role in prostate cancer mortality, with poorer patients receiving less comprehensive treatment and more advanced stages at diagnosis.
A report from Texas A&M University suggests that Lean thinking can transform adult education by adapting traditional methods to provide learners with personalized, cost-effective learning experiences. Key principles include cellular processes, policy deployment, flow, and standardization.
Researchers have developed transgenic songbirds to study the molecular secrets of vocal learning and neuronal replacement. The birds, which can be manipulated genetically, will enable scientists to explore these complex processes at the molecular level.
A study by psychiatrist Szabolcs Kéri found a clear link between neuregulin 1 gene variant and increased creativity. Volunteers with the specific variant scored higher on creativity assessments and reported greater lifetime creative achievements.
Dr. Feinman will present on the controversy surrounding dietary strategies for diabetes treatment, stating that carbohydrate consumption raises blood glucose levels. He emphasizes that there is scientific consensus on this issue, but disagrees with healthcare professionals' advice.
Researchers identified two chemicals that correctly process essential proteins in cells, potentially leading to new treatments for cancers and neurodegenerative diseases. This breakthrough could benefit millions of people worldwide suffering from genetic disorders, including ataxia-telangiectasia and muscular dystrophy.
A new study finds that the number of women opting for prophylactic mastectomies is rising, particularly among those with cancer in one breast. Despite limited information available, the surgery appears to be increasing, but its benefits and risks should be carefully considered.
Research found that 1 in 8 strokes is preceded by a 'warning stroke', also known as a transient ischemic attack (TIA) or mild stroke. Those who experienced a warning stroke were more likely to be older and have underlying health conditions, but may have been protected from the full effects of the larger stroke.
Researchers at two Italian universities create method to transfer entropy from potassium atoms to surrounding rubidium atoms, enabling control over ultra-cold matter. This breakthrough technique opens new possibilities for physics research at extremely low temperatures and entropies.
A Purdue University study found that planting more corn for biofuels would lead to higher levels of nitrogen, fungicides, and phosphorus in nearby water sources. Continuous-corn rotations result in greater sediment losses, allowing these pollutants to enter the water.
IRRI must produce an additional 8ñ6 million tons of rice over the next twenty years to meet demand and keep prices affordable. The organization supports sustainable land acquisition practices, prioritizing benefits for poor rice farmers and consumers.
Researchers are developing methods for conservation and repair of architectural heritage using traditional lime plaster, improving the sustainability of historic buildings. The Nordic Building Limes Forum conference aims to promote the use of lime mortar and traditional craftsmanship in both historic and new builds.
Arizona State University has received over $32 million in federal stimulus funding for various research projects. The grants focus on developing new sources of renewable energy, improving the diagnosis of pediatric tuberculosis, and enhancing children's oral language skills.
A Temple-led study of 264 obese patients with type 2 diabetes found that those who lost 10% of their body weight nearly eliminated sleep apnea episodes, compared to those who did not lose weight. The results suggest that weight loss can have a significant impact on reducing the disorder and improving overall health.
Research suggests that diabetes accelerates bone loss and impairs fracture healing due to increased levels of inflammatory molecules like TNF-α. This can lead to delayed bone fracture healing and an increased risk of fractures in diabetics.
Recent trials have shown small reductions in prostate cancer mortality, but the potential benefits must be balanced against increased diagnosis rates and treatment complications. Developing more effective decision support tools may improve discussions between men and their physicians about screening.
Historian Sherry Smith finds examples of government restitution in US history, including posthumous pardons for WWI prisoners, reparations to Japanese Americans, and return of native lands. The global movement towards reparations is gaining steam, with the US Senate recently apologizing for slavery.
Researchers found that physicians' practical support is associated with more favorable glycemic control outcomes. Empathic listening and patient preferences were not linked to differences in glycemic control, contrary to expectations.
The Gerton Lab has determined the composition of centromeric chromatin in yeast cells, revealing an octameric structure composed of Cse4-containing nucleosomes. This discovery sheds light on mechanisms of centromere propagation and chromosome transmission, which are crucial for maintaining human health.
The Geological Society of America has awarded Judge John E. Jones III the prestigious President's Medal for his role in defending the teaching of evolution in schools. As part of a 5-member panel discussion on Darwin Day, he will explore issues related to presenting scientific knowledge and accommodating challenging concepts.
The PLoS Medicine editors discuss maintaining integrity in clinical effectiveness research, highlighting the need for transparent methods and objective reporting. They also warn against practices that distort scientific evidence, such as cherry-picking studies or fishing for favorable conclusions.
A survey found that men largely make decisions about prostate cancer screening based on conversations with clinicians, but these discussions often do not include information about the risks of testing. Statistical modeling suggests that benefits and harms of PSA screening vary with age and risk level, with higher-risk men having more p...
The USP's Annual Scientific Meeting highlighted efforts to combat counterfeit and adulterated food and drugs, with a focus on measurement science and international cooperation. Experts discussed sophisticated quality measurement techniques and technologies, as well as the need for consumer education and vigilance.
Research identifies women who entered menopause recently may be at higher risk of joint pain caused by breast cancer drugs. Electro-acupuncture proves helpful for alleviating symptoms, improving fatigue and anxiety.
Research found that light and photosynthesis aid in bacterial internalization within lettuce leaves. This makes the bacteria impervious to washing and food sanitizers. The study suggests that the increased internalization is due to open stomata allowing nutrient uptake during photosynthesis.
Researchers found a 62% decrease in high bilirubin levels with universal screening, leading to increased phototherapy use. The study suggests that routine screening can prevent serious hyperbilirubinemia.
A study of 320 patients found heparin-induced skin lesions in 7.5% of cases, mostly due to delayed-type hypersensitivity response. Pregnancy, obesity, and long treatment duration increased the risk of such reactions.
A study by Christine Drea and Allisa N. Carter found that spotted hyenas cooperate successfully on tasks requiring unison effort, learning quickly with no training. They demonstrated understanding of rope timing and platform coordination, with social factors influencing performance.
A new study resolves the mystery of Merkel cell development, finding that they originate from the embryonic epidermis. Adult skin stem cells also replenish the Merkel cell population as they die off over time.
New study locates source of L'Aquila earthquake, finding it increases seismic hazard in region. Researchers also find waning sea ice bodes stormier, rainier Arctic with increased precipitation. Additionally, scientists develop new method to measure snow depth using GPS technology.
A study published in Family Relations found that parents in low-income environments with limited social support are more prone to depression. Social connections, such as community groups and school activities, can help mitigate negative thinking and promote healthy parenting practices.
A new study links impaired kidney function to faster cognitive decline in older adults, especially in episodic, semantic, and working memory. The researchers found that poor kidney function accelerated cognitive decline equivalent to seven years of age at baseline.
The College of Engineering and Science at Louisiana Tech University has received a four-year grant from the National Science Foundation's ADVANCE program. The project aims to improve climate, increase retention, and provide professional development for women faculty in engineering and science.
Researchers discovered that a single gene mutation affects mating preferences in fish, making grey medaka less appealing to rivals but more attractive to themselves. This study sheds light on color-based mate choice and potential speciation processes.
Dr. Roger Rosenberg has been awarded the first Medal for Scientific Achievement by the World Federation of Neurology for his contributions to Alzheimer's disease research. The award recognizes his work on molecular genetics and a vaccine against the disease.
Recent studies by Indiana University researcher Virginia J. Vitzthum found that living conditions, particularly economic activities and food supply, can more than double early pregnancy loss rates in rural Bolivian women. Environmental factors also play a major role in reproductive fitness for men.
A University of Toronto-led team has identified the evolutionary ancestry of the prion gene, revealing its connection to ZIP family metal ion transporters. This discovery may provide new insights into prion protein function and underlying mechanisms of diseases like BSE and Creutzfeldt-Jakob disease.
International experts will discuss the benefits of pet ownership on physical and mental health, including lower blood pressure and increased exercise. The conference aims to build upon existing research and generate more answers about the positive impact pets have on people's lives.
A new nomogram developed by Ronald DeMatteo and colleagues predicts a patient's risk of cancer recurrence after surgery to remove primary GIST. The tool uses tumour size, location, and mitotic index as established prognostic criteria.
Researchers aim to optimize fuel consumption by integrating plug-in hybrid electric vehicles with roadside infrastructure, reducing pollution and greenhouse gas emissions. They plan to provide drivers with alternative routes to maximize fuel economy.
A large study by Mayo Clinic researchers found that patients treated with radiotherapy after prostate cancer surgery experienced very few complications, contradicting concerns about toxicity and side effects. The study suggests that radiation treatment is an effective and safe option for patients with recurrent cancer.
A study by Indiana University found that women with more positive attitudes towards their genitals are more likely to engage in sexual health-promoting behaviors. The study also suggests that men generally have more positive attitudes towards women's genitals than women.
A study found that a physician-led hospital-at-home service can improve depression, nutritional status, and quality-of-life scores in elderly patients with acute decompensation of chronic heart failure. The alternative to traditional hospital care resulted in no significant differences in mortality rates or hospital admissions.
Undergraduate students can learn problem-solving skills by analyzing subsidence and restoration of organic wetland soils. This approach emphasizes cross-disciplinary concepts, such as mass-volume relationships, to help students understand complex soil processes.
A new study published in The Leadership Quarterly found that children raised with an 'authoritative' parenting style are more likely to assume leadership roles at work and in their communities. This approach allows children to learn from their parents while still testing boundaries, preparing them for future success.
A recent study from Family Relations reveals that parents in low-income environments are more prone to depression when they lack social support. This is particularly true in rural regions where mental health resources may be scarce. Social support mechanisms can help mitigate negative thinking and promote healthy parental practices.
Research offers recommendations for doctors diagnosing prenatal Down syndrome, including who should deliver the news and what information to provide. Mothers prefer receiving diagnosis from healthcare professionals with the most knowledge, and benefiting from up-to-date information about DS and personal stories of children with DS.
Case Western Reserve University scientist Dave Wilson has developed a cryo-imaging system that enables the identification of single molecules, counting of cells in organs, and comparison of normal and abnormal tissues. The system produces incredibly detailed images showing the effectiveness of different drug therapies.
The University of Delaware is leading a new $4.3 million research initiative to investigate the impact of human activities on carbon exchange and climate. The Critical Zone Observatory will study the Christina River Basin, exploring how soil erosion affects carbon exchange between land and atmosphere.
A six-year study by surgeons at the University of Maryland Medical Center found that minimally invasive mitral valve repair is safe and effective, with a low risk of complications. The study showed that 99% of repaired valves were working properly and all patients survived with minimal hospital stay.
Researchers found that SPAK silencing may promote cancer progression in B-cell lymphomas by crippling genotoxic stress signaling. In contrast, macrophage migration contributes to impaired peritoneal fluid drainage and lymphatic dysfunction in the diaphragm. Additionally, urokine plasminogen activator (uPA) is instrumental in the early ...
A $5.2 million NIH grant will fund detailed genotyping of thousands of adults in Samoa to investigate genetic variation associated with obesity, diabetes and cardiovascular disease. The study aims to identify specific 'susceptibility' genes that may increase the risk of these conditions.
A study published in PLoS Medicine discusses the challenges of designing clinical trials when there is no consensus on usual medical care. The authors recommend specific criteria for assessing proposed study designs and highlight the importance of comparing management of conditions to standard care.