Eating a single high-fat meal can reduce the body's ability to protect itself against heart disease and stroke by impairing the 'good' cholesterol's protective qualities. In contrast, consuming polyunsaturated fat-rich meals can increase the anti-inflammatory properties of HDL, helping to prevent plaque buildup.
A low-fat vegan diet has been shown to treat type 2 diabetes more effectively than a standard diabetes diet, with significant improvements in blood sugar control and weight loss. The diet also appears to have favorable effects on cholesterol levels and kidney function.
A recent study by IU informatics researchers challenged the notion of a Web-dominating 'Googlearchy' where search engines direct most traffic to established mainstream sites. The study found that popular sites receive significantly less traffic than predicted, indicating a more even distribution.
Researchers at Washington University in St. Louis used brain imaging to identify the most effective memory techniques, finding that visual inspection and verbal elaboration improved memory performance. The study also found individual differences in learning strategies were associated with distinct brain activity patterns.
Hurricane Katrina and Rita caused significant flooding, wind damage, and loss of wetlands in the Gulf Coast region. Experts discuss ways to mitigate future hurricane damage through ecological knowledge and restoration plans.
Researcher Dr. Sean Drummond studied the effects of sleep deprivation on decision making, attention, and working memory performance. After 64 hours without sleep, volunteers' brains were unable to recruit help, highlighting the need for better understanding of sleep deprivation's consequences.
Researchers at MIT are testing kayak-based robots called SCOUTs, which use surface navigation to communicate wirelessly. The goal is to create a team of robots that can work seamlessly together with minimal human direction.
Researchers have developed a method to reconstruct historic climate and vegetation changes in the Great Plains using ancient bison teeth. The study found that bison teeth can provide information on grassland productivity, temperature patterns, and carbon dioxide levels, shedding light on past climate fluctuations.
Scientists found that artificially stimulating semicircular canal nerves allows for 'remote control' steering without affecting balance. The discovery sheds light on the brain's ability to process sensory signals, paving the way for diagnostic, therapeutic, and virtual-reality applications.
Researchers found different types of immune response in children with varying levels of infection, including pro-inflammatory and regulatory responses. These findings may help design vaccines to prevent trachoma infection.
Researchers discovered that Bruli protein plays a crucial role in maintaining stem cells in planarians, enabling their remarkable ability to regenerate lost body parts. The study provides new insights into the fundamental mechanisms of stem cell self-renewal and its potential applications in human therapy.
Researchers used trans-cranial magnetic stimulation to trigger activity in specific brain regions, enhancing peripheral vision and altering visual cortex activity. The study suggests potential applications for treating neurological conditions that impair vision.
A study found that adolescents who watch wrestling on TV are more likely to engage in date fighting and other violent behaviors. Exposure to violence on television can affect adolescents' behavior, particularly when combined with socialization, the study suggests.
A groundbreaking study finds that in utero health has a stronger impact on adult economic outcomes than inherited traits, with children of infected mothers facing lower graduation rates and earnings. The study's findings suggest targeting early-life health could help reduce racial disparities in socioeconomic status.
Scientists at Harvard University discover deep-sea sediments can permanently store man-made carbon dioxide, with US seafloor holding vast reserves. The method involves injecting CO2 into sediment layers, creating a stable and secure storage system.
The study found that YAP amplification transforms mammary epithelial cells, opening a novel cell growth controlling pathway. The research links the YAP gene to breast and other kinds of cancers, highlighting its potential as a cancer-causing gene.
Researchers have developed a novel technique using the abdominal cavity to exchange gas, supplementing lung function in patients with reversible lung failure. The technique increases arterial oxygen levels by a significant degree and shows potential for treating critically ill patients.
Jeff Elman's work in connectionism and artificial neural networks has led to breakthroughs in speech perception, language processing, and cognition. His creation of the TRACE model and Simple Recurrent Network has been widely used to simulate human behavior.
Researchers at Mayo Clinic have discovered an association between allergic rhinitis and the development of Parkinson's disease. The study found that people with allergic rhinitis are 2.9 times more likely to develop Parkinson's, highlighting a potential link between inflammation and the disease.
A study by Harvard researchers found that households with adolescents are more likely to store guns loaded and/or unlocked. Parents of older children may be less vigilant about securing firearms due to perceived responsibility.
Researchers identified PKD1L3 and PKD2L1 proteins in human taste buds responsible for detecting sour tastes. The discovery could lead to developing ways to alter the perception of sour tastes, such as in children's medicines or health foods that currently taste sweet.
Biomedical engineers at Washington University in St. Louis have discovered a new learning strategy called categorical adaptation, which suggests that learning does not necessarily scale proportionally with error size.
Research highlights declining hemlock populations due to invasive species, as well as the value of urban forests like Overton Park. Studies also examine economic and ecological costs of exurbanization on Tennessee's southern Cumberland Plateau and document changes in freshwater mussel populations.
A new class of neuraminidase inhibitors has been discovered that blocks the action of the virus and makes it impossible for the influenza virus to develop resistance. The drug will undergo clinical trials in the next three years, offering an alternative to current treatments Tamiflu and Relenza.
A study suggests that ketamine, a general anesthetic agent, can rapidly alleviate depression symptoms within two hours. The effects of ketamine last for up to one week, making it a potential game-changer in treating depression with rapid onset and sustained response.
University of Utah scientists reverse evolution by reconstructing a 530-million-year-old gene from two modern mouse genes. By combining key portions of Hoxa1 and Hoxb1, they effectively recreated a gene with the function that the original Hox1 performed more than 530 million years ago.
A long-term study found that an Internet-based intervention program can help high-risk, college-age women avoid developing an eating disorder. The program, called 'Student Bodies,' aimed to reduce body image concerns and promote healthy eating habits.
A new microbial fuel cell design by Washington University engineer Lars Angenent increases power output from 3 to 29 watts per cubic meter, enough to run a small light bulb. The system harnesses wastewater's organic matter to generate electricity, offering potential applications in the food and agricultural industries.
Geologist Robert D. Hatcher Jr has made significant contributions to the field of geology, including applying plate tectonics to the southern Appalachians and pioneering new seismic exploration techniques. He is recognized for his work through the prestigious Penrose Medal from the Geological Society of America.
The American College of Cardiology has released new appropriateness criteria for cardiac computed tomography (CCT) and cardiac magnetic resonance imaging (CMR). These guidelines aim to help clinicians, patients, and payers determine when these advanced imaging tests are necessary. The criteria assess the risks and benefits of each test...
A preliminary study found that a single intravenous dose of ketamine provided symptom relief in treatment-resistant depression patients within two hours. The results suggest a new class of faster- and -longer-acting medications could be developed, pointing to potential breakthroughs in treating depression.
A recent study reveals that volunteering in deprived communities develops individuals' self-confidence, builds a sense of belonging, and enhances social capital. Most volunteers are motivated by an ethic of care, rather than career development or training for the labour market.
The US Department of Agriculture is launching an oral rabies vaccination project in southwestern Virginia to combat the spread of raccoon rabies. Translocation of wildlife poses a significant threat to the program's success due to its ability to spread disease and increase stress on infected animals.
Researchers found that nicotine receptors in the brain can become saturated with just a few puffs of a cigarette, leading to intense cravings and satiation. This study suggests that effective smoking cessation treatments need to be extremely potent to compete with nicotine's binding power.
A five-year study by The Parkinson's Institute suggests that nicotine treatment can reduce dopamine cell damage in Parkinson's disease. This protective effect may explain the lower incidence of Parkinson's among smokers, and could potentially lead to new therapy options for early-stage patients.
Neurons make fickle friends as the brain rapidly forms and reconfigures connections in response to new experiences. This process allows the brain to adapt quickly to changing situations, strengthening and pruning circuits to optimize information processing.
Researchers at Lawrence Berkeley National Laboratory discovered that DNA overwinds when stretched, contradicting long-held intuition. The study's findings have significant implications for understanding DNA-protein interactions and could lead to breakthroughs in nanotechnology.
JitterBugs are tiny devices that can be hidden in keyboards to steal data without user knowledge. They work by adding nearly imperceptible processing delays after each keystroke, allowing them to transmit stolen information through network connections.
Research suggests that social isolation in childhood is linked to a higher risk of cardiovascular disease and poorer adult health outcomes. Even after adjusting for established risk factors, socially isolated children were more likely to be unhealthy adults with increased cardiovascular risk factors.
Researchers have found that Shewanella oneidensis bacteria produce an extracellular polymeric substance that converts soluble uranium into solid, insoluble uraninite nanoparticles, which can bind to soil and prevent migration.
Epigenetic modifications, such as DNA methylation and DNA packaging, can be inherited and affect gene expression. Recent studies in mice and rats have shown that early nutritional environment and behavioral experiences can influence epigenetic marks, which can be 'remembered' in cell divisions.
The Straus Family Creamery has received the Ecological Society of America (ESA) Corporate Award for its commitment to sound agricultural practice and technological innovation in reducing environmental impact. The farm, which has been family-owned since 1941, uses innovative technologies such as methane gas-powered electricity generatio...
Researchers discovered a key component in the insulin pathway that contributes to metabolic syndrome and insulin resistance. The study found that reducing this gene's function can lower glucose and lipid levels and even extend lifespan.
A study published in Pediatrics found that an average of 9,400 children under 20 receive emergency medical care each year due to lawn mower-related injuries. The majority of injuries occur when children are between 10-11 years old, with lacerations and soft tissue injuries being the leading causes.
Researchers have devised a new way to visualize and quantify the activity of key enzyme PKA, linked to heart failure. This innovative technique combined computer modeling with fluorescence-imaging in living cells, uncovering new details in molecular control.
A recent study published in Neurology found that the epilepsy drug valproate poses a significantly higher risk of fetal death and birth defects than other commonly used epilepsy drugs. The study, which examined 333 pairs of mother and child, showed that over 20% of pregnancies exposed to valproate resulted in death or birth defects.
The University of Pittsburgh will receive $2.4 million to develop accurate methods for extracting and tracking information from free text, with the goal of identifying potential threats. The research aims to create new computational technologies that contribute to securing the homeland.
A new national standard for collecting suspicious powders has been developed by AOAC International, providing a uniform procedure for emergency responders and federal agencies. The standard addresses the need for safe handling, transportation, and analysis of samples from visible powders suspected to be biological threat agents.
A study found that parents of teenagers are more likely to store firearms unsafely in their homes compared to parents of younger children. The researchers surveyed 392 parents and found that nearly 42% of parents with teenage children had an unlocked firearm at home, whereas only 28.8% of parents with children under 12 had the same issue.
The median salary for new Ph.D. graduates increased from $65,000 to $72,400 over the past five years, while bachelor's and master's level graduates saw gains of $2,500 and $1,400 respectively. However, when adjusted for inflation, starting salaries remained lower than in 2000, indicating a continued soft job market.
A recent UK study found that one third of food packaging tested contained latex, with transferable amounts causing severe reactions. The lack of labelling poses a significant risk to individuals with natural rubber latex allergies, who can be exposed to deadly levels of the allergen.
A specific signal in cells in the nervous system aggravates MS symptoms, which could be alleviated by blocking related proteins. Blocking these proteins is promising as a strategy for new therapies against MS.
Researchers discovered that JAK/STAT signaling can change the genetic packaging of DNA, leading to the activation of previously silenced genes and contributing to cancer. This finding suggests a new mechanism for cancer development and has implications for cancer treatment.
A study found that driver distraction leads to one in five crashes and affects young drivers significantly. The research also revealed common distracting activities while driving, including adjusting equipment and talking to passengers.
Advances in plant science research are needed to reduce costs and multiply production of biofuels from plant cellulose. Somerville calls for increased efficiency of solar energy capture to transition the nation's transportation sector to use of domestically produced biofuels.
Dr. E. Richard Stanley has been recognized with the 2006 E. Donnall Thomas Prize for his groundbreaking research on CSF-1, which plays a crucial role in regulating cell proliferation, differentiation, and function in various diseases. His studies have also shed light on the roles of CSF-1 and its receptor in development and cancer.
Researchers have found that human embryonic stem cells exhibit a distinct pattern of DNA methylation, differing from adult cells and cancer cells. This discovery may hinder the success of therapeutic cloning by requiring epigenetic reprogramming of adult cells.
Researchers used real-time imaging to track malaria infections in live mice, discovering that the parasite uses dead liver cells to cloak and transport itself back into the bloodstream. The study provides insights into the parasite's complex life cycle and potential ways to treat malaria.
Dental patients taking oral bisphosphonates should be aware of potential risks during procedures involving the jaw bone. The American Dental Association recommends a comprehensive oral evaluation and education on maintaining oral hygiene to prevent oral diseases.
Researchers found that high blood pressure causes hearts to have lower fat metabolism, relying more on carbohydrates for energy. This shift can lead to impaired heart function and increased risk of heart failure.