Researchers at Princeton University suggest that Mount Sharp, a 3.5-mile high Martian mound, was likely formed by strong winds carrying dust and sand into the Gale Crater. The analysis challenges the prevailing theory that the mound formed from layers of lakebed silt.
Researchers from LCSB have discovered that microglial cells in the brain produce itaconic acid, an endogenous antibiotic that prevents bacterial growth. This finding has implications for understanding Parkinson's disease and its connection to the immune system.
A new study published in the Journal of the American Academy of Child and Adolescent Psychiatry found that schools significantly associated with adolescent mental health service use. Schools that engage in early identification of emotional problems were more likely to receive mental health services.
Researchers found that increasing parkin levels in fruit flies extended their life span by more than 25 percent, reducing damaged proteins and improving mitochondrial function. The study suggests that boosting cellular 'garbage disposal' could delay the onset of aging-related diseases like Parkinson's and Alzheimer's.
Researchers analyzed hundreds of thousands of credit card transactions to identify predictable shopping patterns. They found that people's behavior is repetitive and can be predicted with a fair degree of probability for future purchases within the next month.
Research by Monica Gagliano and Michael Renton found that plants can positively influence seed growth via unknown mechanisms. Chilli seeds germinated better when grown with basil plants, even when other signals were blocked.
Researchers at Drexel University School of Public Health recommend using existing federal standards for occupation and industry data to track workplace injuries. This can lead to evidence-based prevention strategies, highlighting the benefits of collecting industry and occupation data on hospital discharge records.
A new solid-state controllable light filter has been developed to shield preterm infants from most wavelengths of visible light, promoting better maturation. The device switches between blocking out all light and allowing red light through, enabling medical staff and parents to monitor the infants without disrupting their sleep.
Researchers at NYSCF's Research Institute created patient-specific bone substitutes from skin cells to repair large bone defects. The new method uses induced pluripotent stem (iPS) cells, which can become any body cell type, and overcomes previous limitations of bone formation.
Researchers developed large ring laser gyroscopes six orders of magnitude more sensitive than commercial instruments. These devices can measure the Earth's rotation rate with unprecedented accuracy, capturing momentum exchange between atmosphere, hydrosphere, and lithosphere.
Researchers discovered that lungs with fluid in the lungs no longer pump water out as believed, but instead pump it in. This finding has important implications for treating lung edema, a common symptom of heart disease.
Researchers developed a three-dimensional human heart muscle patch that conducts electricity like natural tissue and 'squeezes' appropriately. This advancement could be used to treat heart attack patients or test new medications.
A national study on nanomaterial toxicity has provided comparable health risk data, enabling regulators to develop policies to protect workers and consumers. The researchers found that carbon nanotubes caused inflammation in the lower regions of the lung, but made them less hazardous by modifying their structure.
A team of researchers has developed a novel material that enhances light absorption in polymer solar cells, increasing their efficiency. The material, Ag@SiO2 nanoparticles, is solution-processable and customizable on the molecular level, offering promising advantages over traditional silicon-based devices.
A new pumpless paracorporeal lung assist device has been successfully used to support young children with severe respiratory failure until they can undergo a lung transplant. The device helped patients recover or reach the average wait time for pediatric donor lungs, offering improved survival chances.
A preclinical study by Scripps Research Institute successfully tested a new vaccine against heroin, which targets the drug and its metabolites, preventing them from reaching the brain. The vaccine effectively blocks relapse in rats with heroin addiction, offering hope for therapy.
A new protocol using single, high-dose erythropoietin administered two days prior to surgery reduces transfusion requirements by one-third and improves patient outcomes.
Researchers identified a novel mechanism by which the activity of Src is limited by the cell's skeleton, resulting in the development of tumors. The cytoskeleton network, comprising actin proteins and actin-Capping Proteins, plays a crucial role in regulating protein activity.
A new study published in Psychological Science found that people who gain weight are more likely to exhibit impulsive behavior but also report increased deliberation. This surprising finding suggests an intimate relationship between a person's physiology and psychology.
A cross-sectional study of 1,870 individuals found that long-lived families have a reduced risk of cognitive impairment consistent with Alzheimer's disease. The study suggests a delayed onset of disease in these families, protecting their members but not later in life.
A new study published in Pediatrics found that flu vaccines are safe for children with inflammatory bowel disease (IBD), without increasing adverse events. The research suggests that receiving the influenza vaccine may even protect against IBD flare-ups and doctor visits.
A Cornell study found that skipping meals increases grocery shopping and leads to buying 31% more high-calorie foods. Not eating before shopping results in purchasing fewer low-calorie options.
A Kaiser Permanente study found that black women have a 47% higher risk of developing multiple sclerosis than white women, while Hispanic and Asian patients have lower risks. The study also showed that black women had a higher incidence of MS than white women of both genders.
Researchers found that hungry grocery shoppers tend to buy higher-calorie products, while those who ate beforehand made healthier choices. The study suggests that even short-term food deprivation can lead to a shift in food preferences, with potential important health implications.
Recent research on TBI in the elderly highlights the need for specialized diagnostic tools and treatments due to unique characteristics of older brains. Studies have found associations between lifetime TBI and dementia risk, as well as differences in cognitive function and medical history between those with dementia and a history of TBI.
A new species of theropod dinosaur, Aorun zhaoi, has been discovered in Western China, dating back over 161 million years. The young dinosaur is estimated to be around 1 meter long and weighed 1.5 kilograms.
A study found that children living near toxic waste sites in lower and middle income countries have high blood lead levels, resulting in a loss of IQ points and higher incidence of mental retardation. The researchers estimated that 6 out of every 1,000 children could experience mild mental retardation.
Researchers have found that combining a new-generation mechanical heart valve with low-dose anticoagulation therapy significantly lowers the risk of bleeding events while maintaining stroke and neurological event rates. This study uses a new bileaflet design, and its findings may lead to reduced anticoagulation therapy for patients
A study found that high spiritual support from religious communities is associated with reduced aggressive treatment in patients with advanced cancer. Patients receiving spiritual support from the medical team had higher rates of hospice use, fewer aggressive treatments, and fewer ICU deaths.
A new study examines local lead abatement efforts in eight communities, finding that local laws can be highly effective tools to address lead hazards. In Rochester, a historic lead abatement ordinance resulted in a 68% decline in children with elevated blood lead levels since its implementation.
Mothers who experienced childhood trauma exhibit traumatic avoidance symptoms, leading to shorter conversations and less child participation. This phenomenon has negative impacts on cognitive and emotional development in children.
Scientists have reevaluated the role of the APOE gene in Alzheimer's disease, finding minimal interaction between APOE and amyloid beta in cerebrospinal fluid. This suggests a need to rethink therapeutic strategies targeting APOE, as current approaches may not be effective.
A new minimally-invasive procedure, Valve-in-Valve, uses a collapsible aortic heart valve to restore function without cardiopulmonary bypass or chest opening. The results showed excellent outcomes for elderly high-risk patients with low procedural complications and improved functional status.
The guidelines provide evidence-based tools for primary care physicians to diagnose and manage fibromyalgia, recommending exercise, relaxation techniques, and cognitive behavioral therapy. The main goal is to alleviate pain and improve quality of life, with medications tailored to individual patients.
A study found that nearly one in five children and teens at risk for suicide report having guns in their homes, with 15% knowing how to access both. The research emphasizes the importance of parents understanding gun risks and encourages ED screening tools.
A nationwide survey found that nearly two-thirds of US hospitals have policies aimed at reducing neonatal complications by limiting deliveries before 39 weeks. The majority of these hospitals have a formal policy against non-medically indicated deliveries, with many having a 'hard-stop' policy to prevent the practice.
The Landsat thermal sensor has successfully imaged the heat emanating from Paluweh volcano in Indonesia, capturing a hot spot at the top of the volcanic island. The sensor's ability to distinguish between the hot lava and cooler ash is crucial for scientists studying volcanic activity.
A NASA satellite captured a clear image of the growing Springs Fire in California using its highly sensitive instrument. The fire consumed over 28,000 acres of brush before being brought under control by firefighting efforts.
A Concordia University study shows that a veil of shame surrounds suicide in cultures worldwide, forcing those affected to grieve alone. Researchers used arts therapy to facilitate dialogue and find common themes across diverse communities, promoting healing and hope.
A mutant protein variant called Progerin impairs cells by reducing nuclear levels of RanGTPase and limiting nuclear import of large cargoes. This exclusion may contribute to cellular defects in Hutchinson-Gilford Progeria syndrome (HGPS).
Researchers at Monell Center have identified a critical protein, Ggamma13, essential for mammalian odor detection. Mice lacking this protein were functionally anosmic, highlighting its role in smell disorders in humans.
A consortium of scientists found that breathing ultrafine particles from engineered nanomaterials can cause lung inflammation and damage. The study examined the health effects of two types of nanomaterials and showed similar findings across different labs.
A new class of drug targeting skin cancer's genetic material has been successfully tested in humans for the first time. The drug, Dz13, was found to be safe and showed positive effects in reducing tumour growth and spread.
A new study by Columbia University found that teenage girls who engage in regular physical activity are at a lower risk of being involved in violence-related behaviors. The study analyzed data from 1,312 students and found that exercise was associated with decreased odds of being in a gang, carrying a weapon, or participating in fights.
A new study found that prenatal exposure to polybrominated diphenyl ethers (PBDEs) is associated with lower intelligence and hyperactivity in early childhood. The study, presented at the Pediatric Academic Societies annual meeting, suggests that maternal exposure to PBDEs can disrupt thyroid hormone and cause learning problems.
A new study proposes a 'Medicare Essential' plan that combines Medicare's hospital, physician, and prescription drug coverage with private supplemental coverage to simplify benefits and lower out-of-pocket costs. The plan aims to save $180 billion over 10 years while improving care for beneficiaries.
Researchers at Lund University are testing an antibody-based treatment for multiple myeloma, a type of blood cancer without a cure. The antibody, BI-505, has shown promising results in cell studies and animal experiments, and a clinical trial is currently underway to test its effects on patients.
Researchers found that Wip1 mutations can lead to the shortening of this protein, allowing cancer cells to circumvent p53's protective mechanisms. These mutations were detected in colorectal and breast cancer patients, suggesting they may be a new target for cancer treatment.
The study found that couples with larger age gaps have lower earnings, less education, and reduced cognitive abilities. Physical attractiveness was also negatively affected in these relationships. The researchers suggest that social networks play a key role in shaping marriage choices and earning potential.
Researchers found that a new antiviral treatment could halve chronic HCV prevalence among people who inject drugs in 15 years. In cities like Edinburgh, where chronic prevalence is lower, the treatment is projected to reduce HCV rates by 25%. Doubling treatment rates and increasing budget may be needed to scale up the therapy.
A survey by the American Academy of Pediatrics found that nearly 90% of drivers engage in distracting behaviors while driving their children, leading to a higher risk of crashes. The study also highlighted the importance of using age-appropriate child restraints and finding internal motivations for safety seat use.
Researchers discovered that nectar-feeding bats use blood flow to erect tiny hair-like structures on their tongues, allowing them to gather nectar from flowers. This unique technology enables the bats to slurp up nectar quickly and efficiently.
Researchers found that male spiders of the Micaria sociabilis species are more likely to consume female spiders than be consumed by them. This behavior is linked to male size and age, suggesting a possible type of male mate choice.
Researchers used ancient DNA to reconstruct past plankton communities in the Black Sea, shedding light on climate-driven changes and human impact. The study found that marine ecosystems are highly sensitive to climate change and human disturbances.
Researchers have developed a new, more precise form of electroconvulsive therapy (ECT) called FEAST, which shows promising results in reducing depressive symptoms with minimal adverse cognitive effects. In a feasibility study, patients experienced significant improvements after just 10 sessions over four weeks.
A KAIST research team developed in vivo silicon-based flexible large scale integrated circuits for bio-medical wireless communication. The devices were monolithically encapsulated with biocompatible liquid crystal polymers and demonstrated stable operation in live rats.
Using 3D printing, researchers have created a simple and inexpensive way to produce plastic cloaks that can deflect microwave beams, making them appear invisible. The technique involves designing algorithms to create holes in the cloak, which allows it to suppress scattering from objects, effectively making them invisible.
Researchers analyzed data from the RV144 HIV vaccine trial, which showed a 31% protection rate. They found that specific antibodies may interfere with the protective effects of other antibodies, reducing the vaccine's efficacy. This discovery can inform future vaccine development strategies to overcome these limitations.
Researchers found that ambrisentan treatment worsened IPF progression and hospitalization rates. Assessing acute changes in Lung Allocation Score can inform organ wait-list strategies to reduce post-transplant mortality. Inexpensive behavioral interventions helped TB patients in poor countries quit smoking, offering a basis for effecti...
The NOAA GOES infrared and visible imagery created a 17-second animation of the smoke plume from May 3 to May 5, showing it blow westward into the eastern Pacific. The fire consumed 28,000 acres of brush in the coastal area northwest of Los Angeles.
Professor Federico Rosei, INRS director, wins Canadian Association of Physicists' 2013 Herzberg Medal for his pioneering work on nanomaterials. His interdisciplinary research has led to new discoveries and applications.
Researchers at Carnegie Mellon University developed a process called Lifelong Robotic Object Discovery (LROD) that enables a two-armed robot to discover objects using color video, Kinect depth camera, and non-visual information. The robot can refine its understanding of objects over time, focusing on those most relevant to its goal.
Serguei Triapitsyn, an entomologist at UC Riverside, has discovered a new wasp species, Gonatocerus ucri, from the Russian Far East. The wasp is mostly brown in color and has long antennae and wings, with its host unknown but potentially beneficial insects.
A recent study has found a significant link between certain antidepressants and an increased risk of Clostridium difficile infection. People with major depression were 36% more likely to develop CDI, while the use of mirtazapine and fluoxetine doubled the risk. Researchers stress that the exact cause of this association is unknown.
A national study estimates 2.9 million Canadian adults have chronic kidney disease, a risk factor for death and significant healthcare burden. High blood pressure and diabetes are more common among those with chronic kidney disease.
A recent analysis found that the rise in treated disease prevalence and spending per treated case accounted for most of the increase in US healthcare spending between 1987 and 2009. The study, published in Health Affairs, also revealed that obesity contributed to 10.4% of the overall rise in spending.
A new study shows that minimal dose computed tomography (MnDCT) is more sensitive than conventional chest X-rays in detecting new or recurrent lung cancer, while delivering a similar amount of radiation. The study found that MnDCT detected 94% of recurrent cancers compared to 21%, allowing for earlier treatment and longer survival rates.
A new study found that strategies to lower Medicare costs, such as increasing premiums and raising the eligibility age, could lead to some seniors losing coverage, prompting concerns about access to healthcare. The analysis suggests that premium support programs or voucher plans could cut spending by up to 24%.
A new study finds that half of high school football players would continue to play with headache symptoms, and only 54% report concussions to coaches. The study raises concerns about concussion education in adolescent athletes.
A study by Dr. Ann-Marie Conn found that out-of-home placements can lead to significant improvements in mental health problems among school-age children who have been maltreated, with a decrease in symptoms for 6- to 10-year-olds. However, the benefits were not seen for younger or older children.
A study by the American Academy of Pediatrics found that states with mandatory helmet laws have significantly lower rates of fatalities and incapacitating injuries among children. The research showed a 2-per-1-million-child difference in fatal and incapacitating injury rates between states with and without helmet laws.
A study by Henry Ford Health found that ER visits for urinary tract infections result in nearly $4 billion in unnecessary costs each year. The research analyzed data from 10.8 million patients with a primary diagnosis of UTI who visited emergency rooms from 2006 to 2009.
Policies in California's Salinas Valley are prioritizing food safety over wildlife habitat, resulting in the destruction of wetlands and riverside areas. The measures, driven by powerful buyers, create unnecessary costs for farmers and harm wildlife, despite low risk from animals.
A recent review of evidence suggests that humans were unlikely to have been the primary drivers of megafauna extinction in Australia, with climate change instead being the main culprit. The study challenges long-held assumptions and highlights the complexity of this issue.
A slowdown in healthcare spending growth could result in Americans saving up to $770 billion on Medicare costs over the next decade. This decrease is attributed to a decline in new drug development and increased efficiency in the healthcare system.
The SCAMPs platform, developed at Boston Children's Hospital, helps healthcare providers continuously improve their medical practice by reducing costs and improving patient outcomes. Successful outcomes associated with the platform include lower costs, reduced practice variation, and improved outcomes for various pediatric conditions.
A study of 120 high school football players found that one-quarter had suffered a concussion and more than half acknowledged continuing to play with symptoms. Most players knew common signs and symptoms but were reluctant to report them to their coaches.
Fibromyalgia can be diagnosed by relying on the art of medicine, as physical findings or laboratory tests are often absent. Primary care physicians are best positioned to manage this condition due to its prevalence rate, with a combination of nonpharmacologic and pharmacologic therapies being the most appropriate management strategy.
A Johns Hopkins Medicine review of 34 clinical trials found that oral drops are effective in alleviating symptoms of allergic rhinitis and asthma in children. The study suggests that oral drops can be a reasonable option for providing relief to millions of children who suffer from these conditions.
A new study found that hydrocarbon exposure incidents increased significantly during summer months, with most cases occurring in boys between one to two years old. The study also highlights the importance of proper storage and supervision to prevent these types of injuries.
A major international TEDDY study found no evidence of a causal link between early viral infections and the rapid onset of Type 1 diabetes in young children. Despite analysis of over 8,000 children and blood samples, researchers discovered little association between viral infections and disease progression.
University of Illinois researchers created a novel approach to produce highly uniform Pt icosahedral nanocrystals using the hot injection-assisted GRAILS method. The synthesis results in high-purity products with ideal models for studying structure-property relationships.
A study published in PNAS found that a compound in breast milk may prevent necrotizing enterocolitis (NEC) in premature infants. Breast milk contains high levels of sodium nitrate, which is converted to nitrite by gut bacteria, producing the vasodilator nitric oxide.
A study found that media reports about electromagnetic hypersensitivity can trigger symptoms in susceptible individuals, even if there is no objective reason. The nocebo effect, where expectation of negative effects increases likelihood of experiencing symptoms, was observed.
A new study from Harvard Medical School reveals that millions of eligible seniors are turning down free prescription drug coverage due to impaired cognitive abilities. The researchers suggest that the design of the program needs to be changed to make it easier for low-income adults to enroll and access the benefit.
Researchers at Columbia University developed a technique to isolate a single water molecule inside a buckyball, enabling controlled transport of a nonpolar molecule through an external electric field. This method holds promise for effective ways to control drug delivery and assemble C60-based functional structures.
Researchers identified a key protein responsible for stress hormones' detrimental effect on brain cells. A new compound was found to block this effect, increasing the number of new brain cells in a potential new avenue for drug discovery.
A new study suggests that African-Americans are more likely to develop multiple sclerosis, contradicting the widely accepted notion that they are at lower risk. The study found a 47% increased risk in African-Americans compared to Caucasians.
Researchers at Stanford University School of Medicine developed a new technique to visualize cell interactions in living mice, pinpointing metastatic cancer cells' locations after breaking off from initial tumor sites. The method uses light-emitting proteins and has potential applications in studying various cell interactions.