A new study reveals that deep-sea scavengers outcompete smaller animals for food in ocean canyons, leading to reduced biodiversity. Larger animals sense the presence of food and converge on the canyon floor, devouring all available nutrients and leaving little for other animals.
Researchers at Cedars-Sinai Heart Institute conclude that dronedarone is only moderately effective and lacks clear safety benefits. The review assesses data from the FDA approval process and compares dronedarone to amiodarone, a commonly used treatment for atrial fibrillation.
A study published in Environmental Health Perspectives found that exposure to phenols, phthalates, and phytoestrogens may disrupt the timing of pubertal development in girls. High exposure to certain chemicals was associated with early breast development, while others were linked to delayed puberty.
Researchers from the University of Delaware and Stony Brook University proposed a new grid design that can minimize the impacts of local weather on power fluctuations, making offshore wind power more consistent. The study found that connecting wind power generators with a shared power line can smooth out power output, allowing sufficie...
A double-blind randomized trial found no benefit of lithium in slowing ALS progression, contrary to initial promising results from a small pilot study. The trial involved 84 patients with ALS and showed that lithium plus riluzole did not slow disease progression more than riluzole alone.
A Barrow scientist has been awarded a major grant from the Muscular Dystrophy Association to continue his research on myasthenia gravis, an autoimmune disease that causes muscle weakness and fatigue. The $450,000 grant will focus on Th17 cells, which may play a key role in causing or intensifying autoimmunity.
Researchers find random gene expression changes during early differentiation, but stability increases by a factor of 100 after nine generations. This discovery sheds light on the mechanisms behind epigenetic inheritance and its impact on stem cell research.
A new study reveals that birds, bats, and lizards play a crucial role in maintaining forest health by controlling insect populations. By eating herbivores and their insect predators, these animals reduce plant damage by 40%, leading to a 14% increase in plant biomass.
Tropical Storm Robyn formed in the Southern Indian Ocean on April 2, with maximum sustained winds near 60 knots. The storm's strong thunderstorms and heavy rainfall are safely nested over open waters, but it is expected to weaken over the next three days due to higher vertical wind shear.
The US Department of Health and Human Services has awarded $15 million to the University of Illinois at Urbana-Champaign's Information Trust Institute to improve patient outcomes while limiting access to electronic health records, health information exchange, and telemedicine. The project aims to address security and privacy barriers i...
Researchers found that online communication reinforces local relationships, builds networks of interacting individuals, and forms ties that bind for offline communities. The intersection between online and offline worlds creates a vibrant platform for community communication and information exchange.
Scientists found that alpha cells can spontaneously reprogram into beta cells, restoring insulin production and potentially treating type 1 diabetes. The study demonstrated that removing nearly all beta cells allowed the pancreas to regenerate new ones, offering a new strategy for regenerating insulin-producing cells.
Scientists have developed a low-cost behavioral assessment that can detect changes in the progression of mild cognitive impairment (MCI) and predict Alzheimer's disease. The test measures information processing capacity, which correlates with hippocampal degradation and decline in brain function.
Researchers at Emory University have successfully developed a clinical test for XMRV, a retrovirus linked to prostate cancer, using neutralizing antibody assay technology. The test has been confirmed by two independent labs and technologies, providing confidence in its accuracy.
Researchers at Duke University Medical Center have discovered a set of naturally occurring antibodies that can block HIV's entry into certain blood cells. These polyreactive anti-phospholipid antibodies show promise as a potential new strategy for HIV vaccine design.
Childhood cancer survivors may experience a 10-year reduction in life expectancy due to late effects of treatment, according to researchers. Furthermore, social connections play a significant role in shaping alcohol consumption rates, with individuals influenced by friends and acquaintances' drinking habits.
A new study has found that oral naltrexone can reduce both alcohol- and non-alcohol-related healthcare costs for patients with alcohol-use disorders. The medication was found to be effective in reducing healthcare expenditures, particularly among those with an alcohol-related diagnosis.
Cryptococcus fungi have an expanded set of genes encoding sugar transporter molecules, allowing them to efficiently move sugar inside cells and thrive. The fungi's love for sugar may be a potential weakness, as scientists can target them by developing low-carbohydrate strategies to block infections.
Recent AGU research finds prolonged low solar activity will not offset global warming, with a potential temperature decrease of only 0.3 degrees Celsius in 2100. Heat waves have also increased in the Mediterranean region since 1960, with significant increases in number, length, and intensity.
A new study by University of Michigan scientists suggests that evolutionary genetic mechanisms underlying changes in form and function are distinct. Researchers found that genes affecting morphology (form) evolved faster than those affecting physiology (function), supporting the idea that morphological changes result from gene expressi...
A new study found that regular moderate-intensity aerobic exercise during pregnancy reduces offspring birth weight by approximately 143g, while not impacting maternal insulin sensitivity. This reduction in birth weight may lower the risk of obesity later in life.
Dr. Alecia Willis, a clinical molecular geneticist, was recognized for her platform presentation on personal medical genomics at the American College of Medical Genetics Annual Clinical Genetics Meeting. The Signature Genomic Laboratories Travel Award supports rising medical genetic researchers in the field.
Researchers have created a new type of tissue and bone scaffolding polymer that addresses long-standing limitations in grafting materials. The smart polymer combines tissue-like properties and strength, and can be reshaped to fit complex injury sites before surgery.
A new study by Oregon State University researchers found that the Swiss needle cast epidemic in Douglas-fir forests of the Pacific Northwest is intensifying, affecting hundreds of thousands of acres, and causing significant growth reduction, with older trees also being susceptible.
Therapeutic swings commonly used for autism-spectrum disorders shed metallic particles into the eyes of children, causing uncommon but preventable eye injuries. The study highlights the importance of wearing protective eyewear or modifying swing apparatus to prevent this risk.
Researchers have identified four relatively simple measures of alcohol consumption that can accurately index the genetic risk for alcohol dependence in both women and men. These findings provide significant implications for risk identification and suggest that simpler measures of drinking behavior may be sufficient to capture the same ...
A pilot study found that a rice-developed nano-bio-chip is effective in detecting premalignancies with high sensitivity and specificity rates comparable to traditional tests. The minimally invasive technique could lead to earlier detection of oral cancer, resulting in higher survival rates.
A new wind power grid could compensate for natural fluctuations in wind direction and strength, providing a smoother power supply. Researchers linked offshore wind generators with a shared power line to achieve this goal.
Children with fetal alcohol spectrum disorder (FASD) are at a high risk of developing epilepsy or seizure history, according to a new study. Researchers found that six percent of individuals with FASD developed epilepsy and 12 percent had one or more seizures in their life.
A recent study published in the Journal of Clinical Oncology found that women with breast cancer before age 55 who carry an inherited mutation in BRCA1 or BRCA2 are four times more likely to develop cancer in the breast opposite their initial tumor. The study revealed a higher risk of contralateral breast cancer among younger women wit...
Researchers at Duke University found that Peregrine's PS-targeting antibodies can block the CCR5 receptor, a key portal for HIV to gain entry into blood cells. The study showed potent ability to induce specific effects that impact viruses, inducing β-chemokines to block HIV entry.
An international expert group recommends individualized treatment for patients with type 2 diabetes, citing the need to address underlying physiological and genetic differences. The recommendations aim to improve glycemic control, minimize risk, and reduce diabetes complications by tailoring therapies to specific patient subgroups.
Researchers have discovered a genetic mutation associated with motor neurone disease that causes proteins to clump together in motor neurones, leading to their death. The new finding provides strong evidence for protein aggregation as the underlying cause of MND.
Physicists at the University of Maryland have developed a novel approach to manipulate quantum bits using an optical frequency comb. The technique allows for the creation of coherent pairs of frequencies, reducing the need for physically adjusting components and increasing the versatility of qubit manipulation.
Researchers at the US Department of Agriculture's Animal Diseases Research Unit have discovered the viral life cycle of malignant catarrhal fever (MCF), a leading cause of disease in American bison. The virus undergoes several changes inside the animal's body, targeting specific cell types at different stages of its own life cycle.
Dr. Marwan Khaled Tayeh was awarded the 2010 Richard King Trainee Award for his groundbreaking research on targeted comparative genomic hybridization array analysis. The award recognizes his contribution to the identification of deletions and duplications responsible for human diseases.
Significant increases in death rates from falls, motorcycle crashes, machinery use, and unintentional poisoning have been observed among older Americans. The overall change in injury mortality for individuals aged 65 years and older increased by three percent, with the greatest increase seen in whites.
Researchers found that 16% of 6-month-olds were obese, highlighting the need for early detection and prevention strategies. Exclusive breastfeeding and adequate fiber intake can help prevent obesity in infants.
Researchers at UMass Chan Medical School have identified a novel microRNA-mediated genetic pathway responsible for triggering vascular growth in zebrafish embryos. This discovery provides new insights into how vascular systems develop and may offer a potential therapeutic target for limiting blood vessel formation in solid cancers.
Researchers have discovered that traces of medicines can be found in fish swimming in treated wastewater. Elevated levels of the hormone levonorgestrel were found in fish blood, leading to infertility. The study highlights the impact of synthetic hormones on fish reproduction and calls for more environmentally friendly alternatives.
A Yale-led team has discovered three new genetic factors that significantly increase the risk of developing brain aneurysms. The study analyzed over 20,000 subjects and found that individuals carrying these variants are up to seven times more likely to suffer an aneurysm than those with no risk factors.
Researchers at UEA have discovered a new group of molecules that can inhibit glycosyltransferases, enzymes used by cells to create sugar chains. This breakthrough could lead to significant advances in cancer treatment and therapy.
Growing energy crops like warm season grasses and short-rotation woody crops can promote long-term carbon sequestration and provide biofuel feedstock. Removing crop residues from fields, however, can lead to soil erosion, water pollution, and reduced nutrient cycling.
Researchers from the University of Gothenburg found that women with a known Western Swedish mutation in the BRCA1 gene have an increased risk of developing ovarian cancer. The study suggests that women without this mutation do not face an elevated risk, and provides clarity for targeted screenings.
Research finds that long-distance pine pollen can travel up to 1800 miles and still germinate, making it difficult to prevent transgenic traits from spreading to wild counterparts. This has profound implications for the approval of genetically modified trees.
A team of MIT researchers has made significant progress on lithium-air batteries by identifying metal catalysts that can improve efficiency and increase energy density. The study finds that electrodes with gold or platinum catalysts show higher activity and efficiency than simple carbon electrodes.
Researchers have found that spraying low concentrations of a compound known as thidiazuron (TDZ) significantly extends the life of potted plants' leaves and flowers. In tests with greenhouse-grown cyclamen plants, TDZ-treated plants had a longer life than unsprayed plants.
Tropical Storm 23S has formed over the Southern Indian Ocean with maximum sustained winds of 39 mph. The storm is expected to strengthen and intensify over the weekend before being affected by a mid-latitude trough, potentially weakening it.
A landmark international study of over 60,000 women found that many are unaware of their risk factors for debilitating fractures, which can lead to chronic pain, reduced mobility, and increased mortality. The study emphasizes the need for improved education on osteoporosis risk factors and treatment options.
A new study explores the variability in fossil assemblages, finding that communities may be more resilient than thought. The researchers used living and fossil communities to investigate the factors affecting the low variability seen in fossil records.
Researchers found a positive correlation between individuals with a positive attitude towards physical activity and those who performed more unintentional physical activity. Unintentional activity, such as climbing stairs or walking further to reach a parking spot, can help burn extra calories.
A study found that leaving logging debris behind suppresses the growth of invasive plant species like Scotch broom and blackberry, allowing native plants to thrive. This method saves costs but may increase fire risk, making it a more favorable approach for forest management.
The TRMM satellite measured heavy rainfall totals from ex-tropical storm Paul, which left up to 11 inches of rain in northern Australia. The data confirmed significant flooding, with areas receiving between 100-200mm of rainfall and some reaching up to 300mm.
Researchers found that the amygdala distinguishes between different fear memories and retrieves them selectively. The study suggests a more sophisticated storage and recall capacity than previously thought, with implications for addressing specific fear memories.
Princeton engineers developed a technique to clarify images using rays of light scattered by clouds, human tissue, or murky water. The method, known as stochastic resonance, can potentially improve signal technologies such as sonograms, radar systems, and night vision goggles.
Researchers found that gene duplication events led to functional diversity in sunflower genes, including a gene variant that lengthened flower growth periods. This trait may have been favored by early Native Americans for domestication purposes.
Researchers have made significant findings on the state of stress in central and eastern North American seismic zones, providing insights into earthquake-generating stresses. Additionally, studies have mapped the depth domains of the Eastern Ghats Belt in India, offering clues to understanding ancient collisions.
Researchers at Princeton University have developed a new technique to produce electricity-conducting plastics, potentially lowering the cost of manufacturing solar panels. The breakthrough allows for the use of low-cost printing techniques and replaces expensive materials like indium tin oxide.
Researchers have uncovered the three-dimensional structure of a key protein found on the surface of a specific HIV-1 subgroup, providing valuable insights for vaccine design. The discovery reveals unusual autoreactivity between an anti-HIV antibody and the CD4 receptor, raising questions about potential autoimmune responses.
A new system developed by Texas AgriLife Research can automatically scan water samples and detect potential pathogens like cryptosporidium and giardia, providing results immediately. This technology has the potential to address key challenges in pathogen detection in food and water, making it accessible globally.