A study by UCSF researchers found that vigorous exercise is linked to increased expression of genes thought to prevent cancer progression. The study identified nearly 200 genes in healthy prostate tissue that are more active among men who exercised vigorously for at least three hours a week.
A study at Carnegie Mellon University found that Twitter users rate only 36% of tweets as worthwhile, while 39% elicit no strong opinion. The researchers identified nine lessons for improving tweet content, including keeping it short and providing context.
Experts weigh the benefits and drawbacks of routine BMI screening in schools, considering data sharing with parents. The discussion aims to empower individuals, families, and educators to address childhood obesity through compassionate and constructive strategies.
Researchers found that elderly individuals with high insulin sensitivity had larger brains and better verbal fluency skills compared to those with low insulin sensitivity. Higher insulin sensitivity was also associated with more grey matter in regions important for language skills.
A new blood test developed by Ridge Diagnostics analyzes levels of nine biomarkers to accurately diagnose major depressive disorder with a sensitivity of about 90% and specificity of 80%. The test, known as MDDScore, could improve diagnostic accuracy and help track individual patients' response to treatment.
The University of South Florida has received a $1.57 million grant to conduct research on traumatic brain injury and other battlefield-related injuries. The studies aim to improve the quality of life for military personnel returning from Iraq and Afghanistan.
A study published in PLOS ONE found that circular RNA molecules are more abundant than previously thought, comprising a substantial fraction of all transcripts identified for many genes. This discovery opens up new avenues for research into the potential functions and relevance of circular RNAs in human biology and health.
A Baylor University study found that friendships forged at church play a significant role in people's religious activities and beliefs. The larger the proportion of friends, the more likely an individual will be active in their religious behaviors.
A recent study suggests that surgical breast biopsies are not overused, with the actual rate falling between 2% and 18%. The study analyzed Medicare data from 2004 to 2009 and found a true surgical breast biopsy figure of around 11%. This finding challenges earlier reports that suggested surgery was used for 30% of breast biopsies.
The Japan Radiation Research Society and Japanese Society for Therapeutic Radiology and Oncology will partner with Oxford University Press to publish the Journal of Radiation Research in full open access. The journal will adopt OUP's publishing model with discounted author charges sponsored by JRRS and JASTRO.
Researchers have identified extended synaptic development in human brains relative to other primates, shedding light on the biology and evolution of human cognition. This finding suggests that the human brain remains highly plastic during early childhood, allowing it to absorb environmental information and develop intellectual skills.
A new map highlights well-defined areas of high Lyme disease risk in the Northeast, Mid-Atlantic, and Upper Midwest, while low risk is found in the South. The study, which collected data from over 300 sites, emphasizes the importance of accurate diagnosis and prevention to mitigate the spread of the disease.
A study published in Science Translational Medicine found that massage reduces inflammation and promotes the growth of new mitochondria in skeletal muscle after intense exercise. The research provides evidence that massage could be a valuable treatment option for individuals with chronic inflammatory diseases or musculoskeletal injuries.
Researchers at Brandeis University have made a significant discovery on how EmrE, a protein responsible for exporting antibiotics from cells, works. By studying its structure and function using nuclear magnetic resonance spectroscopy, the team hopes to develop inhibitors that can target this protein and prevent drug resistance.
A recent study suggests that seasonal variations in the immune system may impact the effectiveness of a vaccine targeting type 1 diabetes. The vaccine, which uses the GAD65 antigen, showed promise in earlier trials but failed to demonstrate significant effects in its latest phase 3 trial. The study's authors propose that factors such a...
A study by Rice University and the University of California at Irvine found that corporate boards tend to dismiss top executives later in a scandal rather than immediately. Companies often use other companies' similar misconduct to justify their own, rather than taking responsibility for their actions.
A study by American Heart Association finds that people with severe sleep apnea have a higher risk of silent strokes and white matter lesions. The severity of sleep apnea increases the risk of disability at hospital discharge.
A study by Yale University researchers found that spotted salamanders breeding in contaminated roadside ponds are adapting to their toxic environments through rapid evolution. The salamanders' survival and growth rates improve in these conditions, suggesting they have developed a genetic advantage.
Concordia University research reveals mentoring has a healing impact on female students who survive childhood abuse or domestic violence. The study identifies four themes of mentorship: fantasy mentors, mirrors, nurturers and supporters, and profession embodiments.
Researchers at McMaster University found a 10-minute massage significantly reduces inflammation in muscle, triggering biochemical signals that can aid healing. The study suggests massage may be an effective alternative to pain medications for recovery from injury.
Researchers at the University of Bristol identified a novel cellular mechanism underlying age-related cognitive decline, revealing that changes to sodium channels contribute to decreased neuronal excitability. The study found that aged brain cells struggle to generate action potentials due to altered sodium channel activation properties.
A recent study by UCLA psychologists analyzed 172 married couples over 11 years, finding that a deeper level of commitment is a better predictor of lower divorce rates and fewer problems in marriage. Couples who were willing to make sacrifices within their relationships were more effective in solving their problems.
NASA's GCPEx mission aims to improve snow detection from space to better understand snow dynamics and its impact on climate cycles. The team faces challenges in distinguishing between rain and snow due to the variety of snowflake shapes and sizes.
Researchers at the Genome Institute of Singapore have made a groundbreaking discovery by mapping the human genome's three-dimensional structure, revealing how genes interact and influence each other. This study sheds light on the complex regulation of gene expression and its implications for understanding human diseases.
A study by Columbia Business School Professor Doron Nissim reveals that book value multiples are a more accurate measure for valuing insurance companies than earnings multiples. The research finds that excluding certain financial components, such as Accumulated Other Comprehensive Income (AOCI), can worsen valuation accuracy.
Scientists from NIAID outline key advances in understanding and combatting infectious diseases, including the development of vaccines to prevent many infections. They also note the ongoing challenge of emerging pathogens, such as HIV, which can have devastating effects on societies.
Researchers show that spider web durability relies on compensating for damage and stress responses of individual strands. Spider webs sacrifice local areas to prevent failure, a strategy unlike other biological materials.
A recent potent follow-up solar flare delivered a powerful radiation punch to Earth's magnetic field due to existing energetic particles and a magnetic connection. This highlights the potential for space weather events to disrupt daily life and pose risks to astronauts, despite not being in direct path.
A study found that consuming 2-3 small purple potatoes per day reduces blood pressure by 4% without causing weight gain. This effect is attributed to the high levels of antioxidant compounds in these potatoes, which may have similar effects to ACE-inhibitor medications.
Researchers created an organic LED light with a warm white color near point A and high color stability by adjusting layer heights. The final OLED has improved performance compared to traditional incandescent bulbs.
Research suggests that severe memory loss in years before a stroke may predict a future deadly stroke. Participants who died after stroke had more severe memory decline compared to those who survived or didn't have a stroke.
The ALMA project aims to simplify software development for embedded multi-core processors, reducing development time and costs. The new tool chain uses open-source Scilab software and focuses on close co-design of software and hardware.
Glioblastoma multiforme (GBM) is a highly aggressive brain tumor resistant to current therapies. Researchers at the University of California, San Francisco, have identified PDGFR-alpha and SULF2 as potential therapeutic targets for GBM treatment. Knocking down SULF2 expression decreased cell growth in human GBM cell lines.
Research reveals that bacterial plasmids, which cause disease in plants, come with a high cost, but also confer benefits to the bacteria. Non-pathogenic plasmids can
Shane Ross' CAREER Award project aims to develop better engineering tools to understand fluid motions, with potential applications in drug delivery, cardiovascular health and pollution dispersion. The researcher plans to integrate research and education through team-based projects.
A study found that the human brain's ability to process information is the dominant limiting factor for exponentially growing internet data. The distribution of internet files shows a Weber-Fechner law, where the total amount of information grows slower than our ability to handle it.
To achieve accurate measurements, an ensemble of 400 atomic clocks is required. The researcher uses statistical calculations to counter challenges in distributing data without degrading clock performance. These algorithms rely on understanding past accuracy to establish reliable reference times.
A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils. The technology could increase the driving range of electric vehicles and transform highway travel, overcoming limitations such as limited battery life.
A new MIT study suggests that electric vehicles can cost 9 to 12 percent less to operate than diesel engines for urban deliveries, leading to potential savings of $900 to $1,400 per truck per year. The study also explores the viability of vehicle-to-grid systems, which could provide additional revenue streams through power services.
A large hospital implemented a CPOE system with clinical decision support for radiology, significantly increasing meaningful use and adoption rates. The study observed a decrease in low-utility imaging studies by up to 57%.
Researchers have discovered a new porous zeolite material that can convert gasoline directly into diesel, offering a potential solution to the growing demand for diesel. The ITQ-39 material has complex atomic structure and channels of varying size and shape, enabling efficient conversion.
Researchers found that antipsychotics activate the TGFbeta pathway, leading to metabolic side effects, while drugs without these effects do not. The study suggests a new approach to developing safer therapeutics for bipolar disorder and schizophrenia patients.
Researchers found that a decrease in summer Arctic sea ice cover leads to increased temperatures in autumn and winter, causing more stable atmospheric conditions that allow cold Arctic air to reach mid-latitudes. This results in colder winters with more snow in Central Europe.
Researchers compared clot busting treatments in patients with wake-up stroke and those treated within 4.5 hours of symptom onset, finding similar death rates, risk of bleeding, and recovery rates. The study suggests administering clot-busting drugs to wake-up stroke patients is feasible and safe.
A team of aerospace engineers developed a prototype device that harnesses chest cavity vibrations to generate electricity for pacemakers, delivering eight times the required energy. The technology has potential as a biocompatible alternative to competing methods.
Research finds that financially impoverished schools significantly predict adolescent weight problems, regardless of parental education level. Well-educated parents can mitigate this effect by recognizing health issues and teaching healthy food choices.
Researchers have developed a wearable device that monitors vital signs such as heart rate and respiration while tracking activity levels, providing continuous data for improved medical care. The technology has the potential to revolutionize patient care by reducing office visits and improving treatment outcomes.
Researchers found that individuals with developmental prosopagnosia unconsciously recognized famous faces at an early stage but lost this information by the later stage. This suggests 'covert face recognition' where some part of the brain is aware of the face despite lack of conscious awareness
The arrival of the first land plants 470 million years ago led to a series of 'ice ages' as they extracted minerals from rocks, causing chemical weathering and removing carbon dioxide from the atmosphere. This cooling effect would have been around five degrees Celsius.
Yellow-cedar trees are dying off across large areas in Alaska and British Columbia due to root freezing caused by reduced snow and cold temperatures. The tree's shallow roots make it vulnerable to freezing injury, leading to its decline. Conservation strategies are needed to protect the species.
A new circular polarization filter developed by a collaborative team of scientists has the potential to enhance vision through dust and clouds, improve early cancer detection, and even enhance 3D movie experiences. The filter allows users to measure the polarization state of light quickly and efficiently.
A review of the Mumbai hospital's response to the 2008 terrorist attack highlights the importance of meticulous planning, effective casualty assessment, and efficient teamwork in medical management. The study also emphasizes the need for safe on-site assessment and training civilian doctors by military personnel.
A team of University of Alberta researchers created a new, cleaner and more efficient technology to replace salt with kokumi, a flavor enhancer that amplifies taste without sacrificing it. The product shows great potential in reducing sodium consumption in North American diets.
A new study from Case Western Reserve University found that people-pleasers often eat more in social situations to avoid upsetting others. This behavior can lead to regret and emotional distress, as individuals feel intense pressure to match the eating habits of those around them.
Researchers have uncovered new genetic evidence supporting the hypothesis that acral melanoma is a distinct subtype with UV-damage signatures. Whole-exome sequencing of pancreatic cancer cell lines revealed a significant correlation between loss of MLH1 gene and indel mutation rates, disrupting several well-known cancer genes.
Researchers found genetically identical clones of Posidonia oceanica seagrass in Mediterranean meadows, suggesting they are thousands of years old and have adapted to various environmental conditions. The findings raise concerns about the continued survival of this long-lived species.
Scientists have made new discoveries about the shape and structure of biological molecules, potentially leading to new treatments for neurodegenerative diseases. The research found that two protein channels are similar in structure and function, with one 'unlocking' calcium flows inside cells.
A study published in Neurology found that high levels of beta-amyloid in the brain are associated with subtle changes in memory and mental function in healthy adults. The study, which involved 137 participants aged 30-89, also linked higher amounts of beta-amyloid to lower test scores in working memory, reasoning, and processing speed.
Researchers have successfully identified the underlying mechanism of ischemia-reperfusion injury in isolated lungs, a major complication in lung transplantation. The study highlights two key proteins responsible for increased vascular permeability and inflammation, paving the way for potential therapeutic interventions.
The article reports on innovative products and technologies that promote healing of difficult wounds. Biological therapies, such as growth factor delivery and bioengineered cells, are also featured to stimulate the healing process.