Recent analysis by University of Maryland astronomer Stacy McGaugh confirms MOND's prediction for gas-rich galaxies, performing better than dark matter models. This finding raises new questions about the accuracy of the reigning cosmological model and the nature of gravity on small scales.
The Total Irradiance Monitor instrument on Glory will study short- and long-term fluctuations in the sun's energy output, influencing Earth's climate. A tiny CU-Boulder satellite, Hermes, also launched on Taurus XL, aims to improve communications systems in tiny satellites.
At least one dengue vaccine could be licensed within the next 4 years. Developing countries' national regulatory authorities (NRAs) have a crucial role in accelerating the licensure process when a new dengue vaccine becomes available.
A UC Irvine study reveals that activities like physical activity, nutrition, relationships, fun, and spirituality can significantly improve mental health. The study found that these therapeutic lifestyle changes can offer advantages over medications, including fewer side effects and complications.
A new analysis found that female scientists face sexism in award competitions, with women winning fewer research awards than men but more service and teaching awards. The study suggests that the selection process is biased against women, with committees favoring male-dominated language and stereotypes.
Women with prior breast cancer have lower sensitivity and specificity for detecting second cancers through mammography screening, which may lead to over- or under-diagnosis. Screening outcomes also depend on the treatment of the first cancer.
A study found that nitroglycerin ointment increased bone mineral density and decreased bone resorption in postmenopausal women. The researchers also observed increases in bone-specific alkaline phosphatase and decreases in urine N-telopeptide, markers of bone formation and resorption.
Scientists have designed a new type of nanoparticle that can deliver synthetic versions of proteins normally produced by viruses, eliciting a strong immune response comparable to live virus vaccines. The nanoparticles consist of concentric fatty spheres that can be used to develop vaccines against cancer and infectious diseases.
A Northwestern University study found that over one-third of paid caregivers struggled with reading and understanding health-related information, while 60% made errors when sorting medications. The study aims to develop standardized tests to evaluate caregiver skills and improve senior care.
Researchers designed nanoparticles by engineering the support structure, exposing stable crystal faces for enhanced selectivity and yield in catalytic reactions. The discovery could lead to better catalysts with a significant impact.
A blood test can accurately detect biomolecular markers of bladder cancer risk linked to environmental exposures like cigarette smoke and industrial pollutants. The test measures methylation patterns in immune system cells, which are associated with an increased likelihood of disease.
A recent review by Dr. Rany Shamloul reveals a potential link between cannabis use and negative impacts on male sexual health and performance. Cannabis may have an antagonizing effect on receptors in the penis, making it harder to achieve and maintain erections.
Millimeter-scale computing systems are being developed for medical applications, such as an implantable eye pressure monitor that tracks glaucoma progress. A compact radio with integrated antenna enables wireless sensor networks, allowing for tracking of pollution and structural integrity.
A significant decline in new cases of sleeping sickness has sparked renewed efforts to eliminate the disease as a public health problem. Recent literature highlights promising signs of progress, including leadership from the WHO and coordinated control activities in endemic countries.
A new free web-based tool calculates an individual's nitrogen footprint, measuring its impact on the environment and providing recommendations for reducing it. The tool aims to raise awareness about the nitrogen dilemma and encourage people to take action to mitigate its effects.
A study published in CMAJ found patients with COPD are at a greater risk of developing shingles compared to the general population. The risk is highest for those taking oral steroids to treat COPD.
Researchers found that the Stripe of Gennari develops in blind individuals from birth and remains intact, suggesting a role in processing tactile stimuli. This could contribute to improved Braille reading abilities and enhanced sense of touch.
A study published in the Annals of Surgery found that high-quality trauma hospitals have significantly lower death rates and spending compared to average-quality hospitals. The research suggests that achieving better quality may be less expensive in the long run, with fewer patient complications translating into cost savings.
A study by Michigan State University found that employees who fake smile for customer interactions worsen their mood and withdraw from work. In contrast, those who cultivate positive thoughts improve their mood and withdraw less. The study also showed gender differences, with women being more affected by fake smiling.
A cancer-causing retrovirus exploits key proteins in host cells to extend cell life and spread. The study found that the viral protein targets ATM and REG-gamma, leading to prolonged cell survival and increased virus transmission.
Researchers study Ohio STEM Learning Network's implementation, spread, and sustainability to understand how networks produce gains and apply innovative approaches to education. The study aims to identify effective components of networking needed to establish STEM schools and explore how these innovations are translated locally.
A study found that participants acted more morally than they predicted, with emotion playing a central role in moral behavior. The researchers suggest that people misjudge their emotional responses when considering moral dilemmas, leading to unexpected actions.
A recent study found that radiologists who interpret a high volume of mammograms are better at detecting non-malignant lesions, resulting in lower false-positive rates. However, the number of cancers detected did not increase with volume, suggesting that a balance between screening and diagnostic mammogram interpretation is key.
A secret online society is found to promote the pro-anorexia movement, using social networks to encourage self-loathing and thinness obsession. The study highlights the dangers of anonymity on the internet, allowing extreme views to be exchanged and potentially dangerous behaviors to co-construct.
A recent study found that racial and ethnic minority adolescents are less likely to receive treatment for major depression. The research analyzed data from over 7,700 adolescents aged 12-17 and found significant disparities in treatment rates across different racial/ethnic groups.
A USDA study found that ragweed pollen season in North America has increased by almost a month, correlating with seasonal warming shifts and climate change. The study supports the impact of climate change on public health and agriculture.
Reduced tillage can increase weed populations, particularly perennial species like Canada thistle and bindweed, which are difficult to control. Integrated systems that include on-site or locally sourced manure can improve the economics of organic production.
Infants and toddlers can develop serious mental health disorders, but often go untreated due to a mistaken impression that they are resilient and 'grow out of' behavioral problems. Early childhood mental health has few practitioners, making it difficult for parents or children's programs to access help when needed.
A study by the University of Michigan Cardiovascular Center found that being a woman does not necessarily increase the risk of dying from treatment for a severe heart attack. However, women tend to be older and sicker at the time of treatment, leading to higher mortality rates.
A study published in Epilepsia reveals that patients with epilepsy and low socioeconomic status experience more uncontrolled seizures, drug-related side effects, and a lower quality of life. Low SES patients also use hospital emergency rooms more frequently and have more visits to general practitioners.
A study found that long-term bisphosphonate therapy is associated with an increased risk of subtrochanteric or femoral shaft fractures, while reducing typical osteoporotic fractures. The researchers suggest reconsidering extended therapy for patients at low fracture risk and exploring drug holidays to mitigate this risk.
A new study found that the active ingredient in cannabis can help cancer patients regain their appetites and sense of taste. The study showed that THC-treated patients reported an increased appreciation of food, better quality of sleep, and relaxation compared to those receiving placebo.
The Association for Gerontology in Higher Education has elected new officers, including Janet Frank as President-Elect and Kathryn Hyer as Treasurer. The organization also recognized several individuals with awards for their outstanding contributions to gerontological education, including Edward F. Ansello with the Clark Tibbitts Award...
The NC State team has created microfluidic devices with inherently aligned electrodes composed of liquid metal alloy, allowing for easier and faster electrode creation. This approach enables the creation of useful electrode configurations that were previously difficult or impossible to achieve.
A new census of dinosaur skeletons reveals that Tyrannosaurus rex subsisted on both carrion and fresh-killed prey, exploiting a variety of animals. The discovery challenges the long-held notion of T. rex as an apex predator.
Researchers have developed a protective strategy that shields primate ovaries from damage caused by radiation and chemotherapy. Pretreatment with the FDA-approved drug FTY720 preserves fertility in female rhesus monkeys, allowing successful pregnancies and healthy offspring.
Researchers at the University of Oregon used fMRI scans to study brain activity in depressed mothers responding to their infants' cries. The findings suggest that depression can blunt a mother's response to her infant's emotional cues, affecting their relationship.
Researchers found increased brain glucose metabolism in regions closest to the phone antenna after 50-minute cell phone use. However, the clinical significance of this finding is unclear and further studies are needed.
A George Mason University study reveals that 'Climategate' led to skepticism among US TV meteorologists about global warming, with men and conservatives more likely to doubt its existence. The poll found that nearly all respondents followed the story, but many became skeptical of climate science as a result.
A new ACS podcast analysis concludes that birth control pills account for less than 1% of estrogens found in US drinking water. The main source of estrogen is instead from natural sources like animal waste and industrial production.
Scientists have developed a mouse with individual genes knocked out only in Natural Killer (NK) cells, allowing them to study the functions of these immune cells in intact organisms. The study reveals that NK cells are essential for the correct development and survival of these cells.
A recent study found that the federal anti-drug campaign 'Above the Influence' successfully reduced marijuana use among teenagers by 12 percentage points compared to those who had not seen the campaign. The researchers believe this is the first independent study to find evidence for the effectiveness of the campaign.
A study by McGill University Health Centre researchers highlights the need for a comprehensive electronic health record system to improve chronic disease management and timely access to care. The authors suggest that more work is needed to address implementation challenges and ensure successful adoption of e-health technologies.
Researchers found that the use of tifacogin did not improve mortality rates or reduce adverse events in patients with severe community-acquired pneumonia. The study's results suggest that anti-clotting therapies may not be effective in preventing organ failure and improving outcomes for this patient population.
A new species of marine mollusc, Polyconites hadriani, has been discovered in the Iberian Peninsula, dating back to the Lower Aptian period. The species is believed to have adapted to ocean acidification, a process that could inform our understanding of modern marine ecosystems.
Researchers developed a vaccine that triggers a protective immune response while preventing fatal inflammation. The experimental vaccine, using a synthetic gene, has shown promising results in animal models, protecting mice from a lethal challenge and reducing inflammation.
Conservationists may better protect mammal populations by treating their ranges as multiple interacting small populations. This approach considers local environmental factors that influence animal resiliency and can provide a more accurate picture of how species' ranges collapse due to human encroachment.
Recent meetings discussed regulatory challenges for dengue vaccines, including issues with funding, ethics and trials. A registry has been established to track systematic reviews, promoting transparency in healthcare decision-making.
A recent study published in PLOS Medicine found that health behaviors play a weaker role in socio-economic disparities in mortality among European cohorts compared to British Whitehall II. The findings highlight the importance of understanding cultural differences in the social patterning of unhealthy behaviors.
A study in Canadian Medical Association Journal highlights the need for an e-health policy to guide the implementation of health information technologies. The policy should align with major strategic priorities, such as patient safety and chronic disease management, to promote electronic health record adoption and data exchange.
Researchers found that a protein called DRP1 triggers a chain reaction causing brain nerve cells to die, but toning it down prevents the chain reaction and keeps those cells alive. The study aims to test whether this protein also protects the brain, potentially delaying disease onset.
A recent study has found that bisphenol A levels in Canadians are lower than those in Americans, with children and adolescents having the highest levels. The reason for this difference is unknown, but possible factors include differences in food packaging and thermal receipt papers.
Researchers found that daily intakes of vitamin D in the range of 4000-8000 IU/day are needed to maintain blood levels of vitamin D metabolites and reduce the risk of several diseases by half. The recommended minimum daily intake is only 600 IU/day.
A majority of Chinese American households do not save enough income, investing most in the stock market. Financial experts recommend at least three months of savings before considering investments.
The study found that radiologists who interpreted more mammograms had clinically and statistically significantly fewer false-positive findings without missing more cancers. Increasing annual screening volume requirements could lower the number of American women with false-positive workups by over 70,000 per year.
Researchers will examine strategies hospitals use to evaluate and purchase implantable medical devices for cardiac, spinal, and orthopedic procedures. The study aims to shed light on how hospitals can balance innovation and affordability in selecting medical devices.
Researchers Marta Rossell and Rolf Erni developed a new technique to study the 3D structure of nanoparticles, enabling the determination of their atomic arrangement. This breakthrough could improve understanding of nanoparticle properties, reactivity, and toxicity.
Scientists analyzed annual growth bands in Antarctic bryozoans collected by Captain Scott and found increased carbon uptake and storage since 1990. This growth is linked to greater food availability, with phytoplankton being the primary source of energy.
The McKesson Foundation has awarded $1.3 million in Mobilizing for Health Research grants to six U.S. institutions to study the use of mobile technology in diabetes care and management. The studies aim to improve patient outcomes and reduce healthcare costs through innovative mobile health solutions.
A new study by Dr. Todd Anderson at the University of Calgary's Libin Cardiovascular Institute has identified endothelial dysfunction as a predictive marker for coronary heart disease. By detecting this marker in patients, doctors may be able to intervene early to prevent the progression of heart disease.
Researchers found that transplanted EPCs from human umbilical cord blood significantly accelerated wound closure in diabetic mouse models. The study showed that growth factors and cytokines produced at the wounded skin sites contributed to healing. This experimental study opens the possibility of using endothelial progenitor cells deri...
Researchers at the University of Illinois Chicago have discovered a signaling mechanism in the bacterial ribosome that detects proteins activating genes for antibiotic resistance. This mechanism may lead to the development of more effective antibiotics by understanding how signals are generated and transmitted within the ribosome.
A study by the American Academy of Neurology found that speaking multiple languages can protect against memory decline in seniors. Researchers discovered that individuals who spoke four or more languages were significantly less likely to experience cognitive problems compared to those with limited language proficiency.
A study by Hebrew University and French researchers reveals that the brain's Visual Word Form Area is co-opted for reading regardless of sensory input modality. Brain scans show identical activity patterns in blind and sighted readers, suggesting a task-oriented approach to reading.
Researchers found a significant decrease in unintended pregnancies and abortions when women received a one-year supply of oral contraceptives. The study suggests that a larger supply allows for more consistent use, reducing the need for frequent clinic visits or resupply trips.
Scientists at the University of Nottingham are part of a £7 million research programme to increase wheat diversity and boost yield, addressing climate change and environmental concerns. The project aims to develop new high-yielding varieties adapted to global warming and environmentally friendly farming practices.
A recent study by the University of Colorado Boulder suggests that ignoring an unemployed spouse's job search stress can lead to decreased productivity and strained relationships in the home. The researchers found that couples are better at sharing their burden than alleviating it, leading to a negative impact on both spouses.
A study of over 450 college graduate employers found that top qualities include communication skills, critical thinking, and writing skills. Employers rate internships, majors related to the job, and foreign language skills as valuable signals.
Researchers at Penn State College of Medicine have developed cerasomes, molecular-sized bubbles filled with chemotherapy drugs, to treat liver cancer. These tiny bubbles target cancer cells specifically and accurately, avoiding healthy cells.
Women with a history of breast cancer have double the cancer rates as those without, according to a comprehensive study. Annual mammography screening detects second breast cancers early, but may not be as effective in detecting invasive breast cancer.
Researchers have discovered that the brain's 'reward' center also responds to negative experiences, such as fear, which can lead to increased dopamine production. This finding could help explain thrill-seeking behavior and inappropriate habits like drug addiction.
Researchers found that Texas leafcutter ants can maintain winter gardens thanks to cold-tolerant fungus crops, but the fungus limits their ability to spread farther north. The ant's symbiotic relationship with the fungus constrains their ecological niches.
A new study found that women taking bisphosphonates for five years or more may be at higher risk of certain kinds of fractures of their thigh bone, but the drugs still prevent hip fractures. The overall risk is low, and researchers recommend continuing use for high-risk patients
A team of researchers has found that tansy may be a potential treatment for herpes due to its anti-viral properties. The study revealed that compounds such as 3,5-dicaffeoylquinic acid and axillarin contribute to the plant's supposed antiviral activity.
A Michigan State University researcher is conducting a cohort study to analyze seizures in HIV-positive patients and examine the effects of antiepileptic drugs on antiretroviral medicines. The study aims to determine whether dual treatment increases the risk of drug failure, AIDS, or death.
Researchers at the University at Buffalo have developed nanomembranes with pores of up to 55 nanometers in diameter, large enough for water to pass through but too small for bacteria. This breakthrough could lead to cost and time savings in water filtration.
Researchers at Albert Einstein College of Medicine have developed nanoparticles containing nitric oxide that improve survival after life-threatening blood loss in hamsters. The therapy maintains blood circulation and protects vital organs by increasing levels of NO gas, which relaxes blood vessels and regulates blood pressure.
Researchers have developed a new DNA microarray technology that can measure the unique genetic changes in breast cancer patients. This technology has the potential to identify new biomarkers for various types of cancer and serve as a universal cancer biomarker.
Biologists found that larger social groups lead to more unique voices and easier identification of individuals; this helps explain our own uniqueness as humans and other social creatures,
A noninvasive EEG test using machine-learning algorithms can identify infant autism risk at 9 months with 80% accuracy, suggesting a safe and practical approach to early diagnosis. The test captures differences in brain organization and function, allowing for behavioral interventions before traditional testing.