Researchers found that naked mole rat brain tissue can survive for over half an hour without oxygen, which could lead to new treatment options for brain injuries caused by heart attacks, strokes, and accidents. This adaptation may also provide insights into how to prevent permanent human brain damage after temporary loss of oxygen.
Researchers found that the Big Freeze was triggered by a sudden freshwater pulse from Lake Agassiz in North America, which diluted the North Atlantic conveyor belt and led to rapid temperature drops. The climate took centuries to recover.
A recent study found that increasing patient responsibility for medical decisions decreases their willingness to accept risky treatments. Patients who were presented with choices reported higher worry about risks and lower uptake of treatment.
Typhoon Nida's maximum sustained winds are near 115 mph, with tropical storm force winds extending 150 miles from the center. NASA's CloudSat satellite captured a side look across Nida on Nov. 28, showing clouds over 15 kilometers high and heavy rainfall areas.
Researchers found that depressed women had no significant difference in weight loss success compared to non-depressed women. The key factor was attendance at a minimum of 12 sessions, regardless of depression status.
A study found that rural Medicare beneficiaries were 27% more likely to undergo total knee or hip replacement surgeries compared to urban recipients. Women and minorities showed significant disparities in both rural and urban areas. The study used the 2005 Medicare data and included over 6 million rural and nearly 38 million urban part...
Researchers have discovered that high levels of lead can slow the progression of amyotrophic lateral sclerosis (ALS), a neurodegenerative disease. This finding suggests that lead may activate a novel pathway able to reduce neuroinflammation and slow neurodegeneration in ALS patients.
Thomas Jefferson researchers have found a novel mechanism by which drugs can block HIV-1 from entering host cells, targeting the gp41 protein. The study reveals that fusion inhibitors induce irreversible deactivation of gp41, and suggests strategies to improve the effectiveness of existing treatments.
A recent study published in Financial Management argues that Chapter 11 reorganizations fail to offer a clean slate for firms to establish new capital structures. Despite substantial reductions in debt burden, firms still end up with higher debt ratios than industry norms.
Researchers aim to establish a standard for 'sufficiency' of information in friction ridge patterns, addressing the lack of quantifiable standards in the field. The goal is to improve accuracy and contribute to advancing science in forensic pattern recognition and comparison.
A large proportion of patients undergoing abdominal/pelvic CT scans receive unindicated and unnecessary additional image acquisition, leading to excess radiation exposure. The mean excess radiation dose per patient from unnecessary scans was found to be 11.3 millisieverts.
The Portable Lightweight Ubiquitous Gasket (PLUG) system, developed by Wil Laska, passed its second test in November 2009, demonstrating the ability to fill with water, float on flood currents, and adhere to breach sites. Four technologies were tested, including a large balloon or tube that worked as hypothesized.
Research documents the value of the human-animal bond in improving child development, elderly care, and rehabilitation outcomes. A growing body of evidence highlights the healing power of companion animals in reducing stress, providing affection, and fostering a sense of security.
Researchers at Monash University have developed a new way to increase the output of next-generation solar cells, achieving a three-fold increase in energy conversion efficiency. The breakthrough uses a new, more efficient type of dye that enables the operation of inverse dye-sensitised solar cells.
Clemson University researchers are studying safe storage of carbon dioxide in geological formations to reduce global warming emissions. They will focus on identifying conditions that may lead to leakage and developing techniques to minimize its impact.
Researchers use cryo-electron tomography to elucidate molecular architecture of Treponema pallidum, shedding light on cellular structure and movement. The study provides new understanding of how the bacterium attaches to human cells and moves with its flagella.
Scientists at MUHC and international colleagues discovered a chromosomal site controlling natural resistance to TB infection, found in 20% of individuals from high-exposure areas. The findings hold promise for preventing TB infection in the general population by stimulating resistance mechanisms.
Researchers found that 80% of rats survived cardiac arrest with chest compressions alone, but none survived without oxygen. Oxygen levels were essential for the animals to return to normal brain function at 72 hours.
Assessing biological processes under global warming requires accurate estimates of temporal changes in species. Long-term studies show that neglecting increasing seasonal climate lag can lead to distorted results.
A new self-assessment score has been developed to predict diabetes risk, showing promise as a simple and effective tool. Additionally, researchers are considering alternative bacteria, Fusobacterium necrophorum, for sore throat treatment due to its association with a rare but life-threatening complication, Lemierre syndrome. Furthermor...
Researchers found that the conscious mind kicks in about 300-400 milliseconds after exposure to a stimulus, with complexity affecting timing. The study aims to map unconscious perception and its role in understanding consciousness.
The First Step To Success program has shown robust improvements among at-risk elementary students in the Albuquerque, N.M., school district. The four-year study found significant impact on behavioral symptoms and social functioning among participating students, with effect sizes ranging from .54 to .87.
Elastography improves ultrasound's specificity by measuring a lesion's compressibility and mechanical properties, accurately identifying cancerous lesions. The technique reduced unnecessary biopsies, correctly identifying 98% of malignant lesions and 82% of benign ones, according to the study.
The Geostationary Operational Environmental Satellite GOES-14 has completed its post-launch test phase and is now in on-orbit storage to await duty. The satellite will remain in this mode until needed to replace a failed spacecraft, reducing launch delay from one year to less than a week.
A meta-analysis of 10 studies involving 1862 HIV patients found no statistically significant difference between directly observed and self-administered antiretroviral therapy in promoting virological suppression. This suggests that directly observed therapy may not be necessary to support adherence in the general patient population.
Researchers reduced peak noise levels on hospital wards by up to 21% through simple changes, such as turning down telephones and displaying posters. The study shows a significant reduction in average peak noise levels on all three wards.
A new study suggests that highly palatable, energy-dense foods can lead to increased fat storage by activating genes. Researchers found that a diet high in fat and sugar stimulates the kappa opioid receptor, causing the body to hold onto more fat than usual.
The WPI Precision Personnel Location system will locate firefighters in three dimensions, monitor their vital signs, and provide an early warning of flashover risk. The new ESM System will deploy a temperature sensor mast to detect impending flashover.
A brain scan study found that active cocaine abusers can suppress activity in brain regions linked to drug craving when asked to inhibit their response. This suggests that clinical interventions designed to strengthen inhibitory responses could help prevent relapse and improve treatment outcomes.
A study published in Management Science found that presenting small gains alongside large losses can improve decision-making by reducing mental pain. The 'Silver Lining Effect' suggests that people prefer separating positive and negative information to mitigate the impact of loss, with more pronounced effects for larger losses.
A new study found that a moderate level of acceptability for an HIV vaccine exists, but high-risk communities may not automatically accept it. The key factors influencing acceptance are efficacy, side effects, and cost. Education is also crucial to ensure the public trusts the vaccine.
A new scientific organization is proposed to utilize satellite images to monitor the world's forests and track changes in deforestation rates. Currently, only half of tropical countries have conducted two recent forest surveys needed to construct a deforestation trend.
The University of North Carolina's Graduate Training Program in Translational Medicine has received a $700,000 HHMI grant to integrate medical knowledge into its Ph.D. programs. This program aims to train researchers to translate basic science discoveries into improved treatments for patients.
A study by researchers from Stony Brook University found that osteoarthritis increases aggregate health care expenditures in the U.S. by $185.5 billion annually. The disease disproportionately affects women, with out-of-pocket expenses nearly 100 percent higher for them than men.
A new study suggests that safe pedestrian and cycling infrastructure is key to preventing climate change in Indian cities. By prioritizing non-motorized transport, cities like Delhi can reduce greenhouse gas emissions, save lives from road traffic injuries, and promote physical activity.
A team of researchers has created a mouse model with key features of HIV infection, shedding light on the disease's mechanisms. The mouse exhibits symptoms similar to those of immunodeficiency virus infection, but with notable differences that highlight its limitations as a model for human disease.
Malaria parasites adapt their molecules to evade the host's immune response, with different approaches used in children and adults. Researchers discovered a limit to severe disease-causing variants and found evidence for a vaccine against this deadly form of malaria.
A panel of MS experts provides comprehensive recommendations for selecting and managing patients with MS receiving TYSABRI. The guidelines emphasize the need to weigh treatment benefits against potential risks, including PML and serious adverse events.
A recent study found that despite the switch from pull-tabs to stay-tabs 30 years ago, beverage can stay-tabs still pose a potential danger to children and adolescents. The study identified 19 cases of inadvertent stay-tab ingestion at a single hospital over 16 years.
Structural biologists reveal how internalin B dimer activates human receptor Met, allowing Listeria to infect cells. The discovery may lead to therapeutics for improved wound healing and treatment of listeriosis.
Researchers at Duke University Medical Center have devised a way to deliver the right therapy directly to tumors using special molecules called aptamers. A tumor-targeting RNA aptamer was found to specifically bind to RNA helicase p68 in colorectal tumors, offering a promising approach for cancer treatment and therapy delivery.
A study found that using smartphones with special software to view CT scans allowed radiologists to accurately diagnose acute appendicitis. The technique, which uses encrypted wireless networks and OsiriX Mobile software, showed promising results in a small sample of patients.
A University of Florida project, 'Call the Wild,' aims to educate zoo visitors about science through mobile technology. Researchers will test different audio calls, texts, and smartphone applications to determine their effectiveness in engaging visitors in learning about scientific processes.
A recent study conducted in Southern Malawi found that azithromycin antibiotic had no significant impact on reducing the risk of preterm labour. The research suggests that infection may not be the primary cause of preterm birth and highlights the need for further investigation into other factors contributing to this issue.
Researchers at Imperial College London have identified TLR-2 as the trigger that leads to inflammation and damage in atherosclerosis, a condition causing heart attacks and strokes. Blocking this molecule could potentially treat atherosclerosis and reduce the risk of these diseases.
Researchers have found a way to control male fertility using testicular hormone levels, offering hope for those with low sperm counts. The discovery provides a promising avenue for developing new treatments for male infertility and potentially new male contraceptives.
Researchers used FRET to study GAT1 transporters and found correlations between oligomerization state and function. The results show the power of the FRET-based approach for distinguishing among distinct states of proteins.
Research from Louisiana State University Health Sciences Center found that drinking sugary cola drinks weekly before pregnancy significantly elevates the risk of developing diabetes during pregnancy. Consuming more than 5 servings per week was associated with a 22% greater risk of gestational diabetes mellitus.
Scientists at the University of Pittsburgh developed metallic nanoparticles that can withstand temperatures of over 850 degrees Celsius. By sacrificing weaker components as temperatures rise, these particles maintain their structure and continue to catalyze reactions efficiently.
A study published in Pediatrics found that educational home visits can significantly improve asthma control in children, leading to fewer hospitalizations and reduced symptoms. The research suggests that providing regular asthma education and support can go a long way in managing the condition.
The Naval Research Laboratory's Ion Tiger has achieved a 26-hour flight duration, exceeding its previous record of 23 hours and 17 minutes. The fuel cell system provides reliable, quiet operation and extremely high efficiency, paving the way for tactical flights and extended flight times.
Researchers at Hebrew University have developed a novel stem cell technology, immuno-isolation, to treat complicated bone fractures. The technology has been successfully used to treat seven patients with a combination of their own MSCs and blood products, offering a promising alternative to standard treatment methods.
Scientists have recorded spontaneous epileptic activity in human brain tissue for the first time, revealing that electrical connections between nerve cells cause the disease. This discovery offers real hope for finding new treatments for epilepsy, which affects 45 million people worldwide.
A study found that middle-aged men and women who engage in high levels of physical activity are at greater risk for developing knee abnormalities and osteoarthritis. High-impact activities like running and jumping carry a greater risk, while low-impact activities like swimming and cycling may protect against disease.
Researchers found Kuwait Bay's sea surface temperature rose at an average rate of 0.62°C per decade, three times the global average. This increase is attributed to 50% due to local drivers such as wind and river flow, while 13% is caused by human activity.
A study at Washington University School of Medicine identified mesothelin as a marker for pancreatic tumors, suggesting its potential use in immune therapy against the disease. Mesothelin levels in the blood were found to be significantly higher in patients with pancreatic adenocarcinoma compared to healthy individuals.
Researchers from Harvard University and their international team have developed compact, multibeam lasers that can emit multiple wavelengths in the infrared spectrum. This adaptable technology has potential use in applications such as remote chemical sensing, optical wireless, and interferometry.
Researchers found that chicken type II collagen (CCII) capsules improved joint function in RA patients with fewer side effects compared to the established antirheumatic drug methotrexate. Oral tolerance induction via dietary exposure is believed to contribute to this finding.
A Scripps Research Institute study describes a new approach to identifying molecules that prevent autoreactive T cells from attacking the body. The method uses peptoids to visualize binding antibodies and has the potential to create new therapeutic discoveries for autoimmune diseases like MS and blood cancers.
A new study by UT Southwestern researchers found that parent mentors can significantly reduce asthma-related complications in minority children. The intervention program, which provided specialized training to caregivers, resulted in fewer wheezing episodes, asthma attacks, and emergency room visits among participating families.