Researchers at Tufts University have identified a hormone-like signaling system in the ear that helps protect against noise-induced hearing loss. The system, which mirrors the body's fight-or-flight response, works at lower intensity sounds than previously thought.
Dr. Koby Scheuer's plastic-based technology uses nano-sized grooves to filter noise from information in optical devices, making them smaller, more flexible, and powerful.
Scientists have created a new technology that converts chemical energy to fuel cells for micro-machines and sensors, saving energy and producing more power than smaller batteries. The thermopower wave devices use carbon nanotubes and are already generating attention due to their non-toxic nature.
A study suggests that breast magnetic resonance imaging (MRI) can detect breast lesions missed on mammography and ultrasound, influencing surgical management choices. Breast MRI positively impacts patient management decisions, potentially reducing the need for re-intervention by accurately assessing tumor extent.
A study from North Carolina State University found that many parents believe their children aren't interested in sex, while viewing others' teenagers as highly sexual. This misconception contributes to stereotypes of sexual behavior that can be harmful to both parents and kids, shifting responsibility away from the child.
A study of 117,738 women aged 18-39 found that screening mammograms had poor accuracy and high recall rates for additional tests. Diagnostic mammograms performed due to symptoms had better accuracy and detection rates.
New research suggests that Charles Darwin's family was a living example of his theory on inbreeding's negative effects on offspring. The study found a positive association between child mortality and the inbreeding coefficient for Darwin's children, supporting his concerns about the risks of consanguineous marriage.
Cells use a simple principle to control protein localization, ensuring high order and avoiding chaos. By adding a lipid anchor to proteins, cells direct them to specific destinations, and then remove the anchor to prevent misdirection.
Researchers highlight underdiagnosis of pediatric hepatitis C, increased risk of inflammatory bowel disease from antibiotic use in infancy. Gastroenterologists must consider unique health needs of women and children when prescribing medication.
Researchers have developed a method to convert human induced pluripotent stem (iPS) and embryonic stem (ES) cells to a more flexible state, similar to mouse ES cells. This breakthrough could improve the efficiency of gene targeting and potentially lead to new therapeutic applications for human ES and iPS cells.
Researchers will test a combination of two hormonal gels on men's skin to suppress sperm production and prevent pregnancy. The study aims to develop a male contraceptive that would give men greater control over their reproductive choices.
The National Academies Keck FUTURES INITIATIVE has awarded $1.25 million to 13 research projects in synthetic biology, with a focus on interdisciplinary collaborations and innovative approaches. The grants will support the development of new technologies and methods for capturing diverse biological machinery from arbitrary environments.
A new model has estimated that large amounts of organic nitrogen are stored in the soil beneath fields in Nebraska and Maryland, where corn and soybean crops are grown. The study found that leaching accounted for most of the nitrogen lost from the soil, particularly in irrigated areas.
A new understanding of marine ecology has emerged, revealing that mussel populations are connected across vast distances through communication. This discovery has significant implications for the design of marine reserves and fisheries management.
Dr. Shinya Yamanaka's pioneering work on induced pluripotent stem cells eliminates need for embryonic stem cell harvesting from human embryos. The discovery has the potential to correct or repair birth defects in children, offering hope for preventions and treatments.
A new study suggests that high protein intake may increase the risk of inflammatory bowel disease, while fatty acids found in olive oil, peanut butter, and grapeseed oil may protect against ulcerative colitis. Additionally, vitamin A supplements have been shown to improve the antiviral effect of treatment drugs for chronic hepatitis C.
A study of 28 radiologists found a high prevalence of musculoskeletal symptoms, including lower back pain, wrist pain, and headaches, due to inadequate workstation ergonomics. The findings highlight the importance of researching workstation design to minimize long-term implications for radiologists.
The protein tPA provides protection for nerve cells in the hippocampus by preventing death caused by reduced blood flow during stroke. Analysis of tPA's protective process reveals implications for therapeutic strategies to prevent nerve cell death.
The Journal of Nuclear Medicine published a supplement on cardiovascular molecular imaging, discussing its potential to diagnose heart diseases earlier. The publication combines various imaging techniques, such as ultrasound, MRI, and radiotracers, to improve management of cardiovascular disease.
Researchers at NASA and Purdue University have identified molecular-level features that make fluorinated compounds more efficient at trapping radiation in the atmospheric window. By spreading fluorine atoms out in a molecule's structure, these compounds can persist longer in the atmosphere, contributing to global warming.
A study found significant geographic variation in childhood obesity rates across the US, with Southern states having higher rates than Western states. Obesity rates varied by state, with Mississippi and Arizona having the highest rates and Oregon and Utah having the lowest.
A new study published in the Journal of the American College of Surgeons found that more than 90% of breast cancer patients had their expectations met or exceeded with regard to dates of service. The study highlights the importance of balancing timeliness with safety, effectiveness and equity in patient satisfaction.
The DOE has approved a conceptual design for the APS upgrade, which will make existing X-ray facilities 10-100 times more powerful. The upgrade is expected to create new high-tech jobs and enable breakthroughs in understanding diseases and developing sustainable energy technologies.
A study of 2,500 patient records found that medical staff fails to check a child's blood pressure nearly half the time and often misses elevated readings. The consequences are missed development of hypertension and its serious consequences.
Astronauts may soon have a sweet treat in space thanks to Purdue University's discovery of a low-maintenance strawberry cultivar. The Seascape strawberry meets NASA guidelines for space crops due to its ability to thrive under shorter daylight periods, reducing energy requirements and labor needs.
The USGS is providing $7 million in funding for earthquake monitoring to support the development of the Advanced National Seismic System (ANSS). This initiative will enhance the country's ability to detect and respond to earthquakes, ultimately saving lives and reducing economic losses.
Researchers found vinpocetine reduces inflammation by targeting the activity of IKK, switching off NF-κB and producing pro-inflammatory molecules. The study shows great promise for vinpocetine as a novel anti-inflammatory agent with no severe side effects.
Scientists analyzed eagle bone and feather remains to determine their diet from 20,000-30,000 years ago. The study found that eagles primarily fed on seabirds before humans introduced sheep, providing a critical understanding for successful reintroduction to the Channel Islands.
A new study finds that nearly 76% of pregnant Arab women have low levels of vitamin D, with many having insufficient dietary intake and limited sun exposure. This deficiency can lead to health issues for both mother and child, highlighting the need for urgent attention to prevention strategies.
Dental providers can prepare for medical emergencies by stocking essential medications and equipment, such as automated external defibrillators and portable oxygen delivery systems. The new guidelines provide a detailed list of emergency medications and equipment to ensure timely and effective treatment.
Young adult survivors of childhood cancers are four times more likely to develop Post-Traumatic Stress Disorder (PTSD) than their control group siblings. The study found that 589 survivors reported significant functional impairment and clinical distress, consistent with a full diagnosis of PTSD.
A recent study found that young assault victims are often involved in subsequent violent encounters after being treated in an emergency department. The study revealed that nearly half of the adolescents reported considering retaliation or carrying a weapon within weeks of discharge.
A study published in Scandinavian Journal of Public Health found that better labour management practices lead to improved psychosocial environments and reduced health-related problems. The research identified control, social support, and compensations as key factors in creating an ideal working atmosphere.
Researchers have developed a new treatment for war injuries using Photochemical Tissue Bonding, which produces better healing outcomes than conventional materials. The technology involves applying a dye to the wound and exposing it to green light, creating an immediate, water-tight seal that reduces inflammation.
Inuit populations in the Canadian Arctic have asthma rates 5-11% below other Aboriginal groups, with a link found between socio-economic status and asthma. Further research is needed to understand this phenomenon.
A study of 387 youths found that impulsivity and sensation-seeking were key factors in adolescent risk-taking behavior. Working memory was not the sole culprit for risky behavior, with some youths exhibiting more sensation-seeking behavior when their working memory was strong.
Researchers confirm rifaximin antibiotic provides long-lasting relief of IBS symptoms, including bloating and abdominal pain. The study suggests targeted antibiotics can effectively treat IBS by altering gut bacteria.
A new study found that Hispanic/Latino individuals have varying genetic makeups due to the influence of multiple ancestral populations. The research discovered a significant sex bias consistent with the disproportionate contribution of European male and Native American female ancestry.
Scientists discovered that Lupus patients lack or have blocked DNase-1, an enzyme degrading NETs, leading to their accumulation in the kidneys. This impairs NET degradation, increasing kidney failure risk. A new test based on this finding may enable early diagnosis and treatment.
A new study by the University of East Anglia found that regular aspirin use increases the risk of developing Crohn's disease by five times. The research, which followed 200,000 volunteers, suggests that aspirin may be a contributing factor to the development of this debilitating condition.
A new study published in Neurology shows that people with a common heart defect called bicuspid aortic valve (BAV) are more likely to develop brain aneurysms. The research found that 9.8% of individuals with BAV had brain aneurysms, compared to 1.1% of those without the condition.
The Global Alliance of Technological Universities (GlobalTech) addresses pressing global issues like biomedicine, sustainability, and energy security through collaborative research. Members have proposed multilateral student exchange programs and workshops on key topics to foster innovation and solve the 'Grand Challenges'.
A study on the Darwin/Wedgwood dynasty found a statistical association between child mortality and inbreeding. Charles Darwin's children faced health problems, with three dying before adulthood, due to inbreeding depression.
The American Society for Neural Therapy and Repair (ASNTR) has awarded Dr. Shinn-Zong Lin with the 2010 Bernard Sanberg Memorial Award for Brain Repair in recognition of his significant research contributions in neuroscience. Dr. Lin's work focuses on neural and stem cell transplantation therapy for stroke and Parkinson's disease.
Research reveals brain changes indicative of Fragile X syndrome can be seen in one to three year olds through MRI scans, continuing to evolve during childhood. This breakthrough provides potential targets for early intervention and monitoring of the effects of interventions on individuals with Fragile X syndrome.
Researchers at Stanford Medicine found a significant correlation between implementing a computerized physician order entry system and a 20% decrease in hospital-wide mortality rates. The study, published in Pediatrics, suggests that CPOE can be a lifesaving tool by improving efficiency and guiding clinical decisions.
Kendra McLauchlan's research aims to understand past ecosystems and provide context for modern changes to Earth systems. The project will examine ecosystem changes in increments of 10, 100, 1,000 and 10,000 years using data from three sites.
Martu hunter-gatherers' traditional practices have reshaped Australia's Western Desert habitats, creating biologically diverse areas. The use of fire in their hunting grounds encourages the growth of diverse vegetation, allowing small mammals to thrive.
A new study by Carnegie Institution researchers found that CO2's direct effect on plants contributes to global warming, with evapotranspiration effects accounting for 16% of land surface warming globally. High carbon dioxide levels can lead to increased runoff and stronger climate predictions require considering plant responses.
Cold Spring Harbor Laboratory has published new methods for plant gene expression and Xenopus imaging, enabling faster and more efficient investigation of gene function. These protocols utilize Agrobacterium-mediated transformation and confocal microscopy to study cellular behavior and subcellular processes in plants and frog embryos.
A team of researchers has identified IL-15 as a key player in the development of enteropathy-associated T cell lymphoma, a high-grade invasive lymphoma associated with severe celiac disease. Treatment with an antibody directed at IL-15 successfully wiped out intraepithelial lymphocytes in mice overexpressing human IL-15.
A study by the American Academy of Pediatrics found that young veterans are at high risk for suicide and violent deaths at home, with 70% of cases being suicides. Mental illness, intimate partner problems, and job issues were common underlying causes.
Latino children display strong parenting practices and social agility, but early gains are eroded by poor schools and peer pressure. Research shows that tight family bonds and tough parenting contribute to their initial success in the classroom.
A study found that the protein tPA protects nerve cells in the brain from death caused by reduced blood flow, leading to two proposed models for its protective effect. Another study identified IL-15 as a potential new target for treating type II refractory celiac disease.
Researchers found that magpies exhibit 'rarer-sex disadvantage,' where sons die more when daughters are present and vice versa. This phenomenon challenges previous hypotheses on nestling mortality and suggests that parents may adjust their brood sex ratio through sex-biased mortality.
New research reveals low-level prenatal tobacco smoke exposure is associated with deficits in motor and cognitive development for African American children. The study highlights a racial disparity in developmental problems, emphasizing the need for expectant mothers to be particularly careful during pregnancy.
A national study suggests that the standard heel-stick test is not effective at identifying cytomegalovirus (CMV) infection in newborns, with only 17 out of 60 infected children identified. The test's limited value has major public health implications, as congenital CMV infection is a leading cause of hearing loss in children.
A study presented at the ARRS 2010 Annual Meeting found that adaptive image filters can significantly improve image quality while lowering patient radiation doses for chest and abdominal CT scans. The filters improved image clarity, reducing radiation doses by up to 40 mAs for chest scans and up to 100 mAs for abdominal scans.
A team of researchers from the University of Bonn has confirmed that Magyarosaurus dacus was a dwarf sauropod dinosaur, contrary to earlier theories that it was just a juvenile. The study reveals that dinosaurs on islands underwent the same ecological and evolutionary processes as modern mammals.
A new center will use a community-based approach to reduce cardiovascular disease risk among Latinos in East Los Angeles, where obesity-related chronic diseases are prevalent. The study will examine the role of acculturation and food environment on cardiovascular disease, with interventions targeting family and neighborhood environments.