Scientists tracked shuttle exhaust to study atmospheric winds and polar mesospheric clouds. The plume spread faster than expected, forming unusual bright high-altitude clouds near the Arctic.
A recent study by the European Society of Cardiology has found that women with severe aortic stenosis experience lower mortality rates after transcatheter aortic valve implantation (TAVI), with a 40% reduced risk compared to men. Despite higher risks of procedural complications, women outperformed men in terms of mortality.
A study found that personalized antiplatelet treatment using platelet function testing improved clinical outcomes in patients undergoing percutaneous coronary intervention. Non-responders to clopidogrel were given higher doses or alternative therapies, reducing stent thrombosis and acute coronary syndrome rates.
The study found that global platelet reactivity is a significant predictor of ischemic events in patients with acute coronary syndrome (ACS) who are at high risk. Patients who do not respond to clopidogrel therapy have a higher prevalence of adverse cardiovascular events, including ischemic events and cardiac death.
The Society of Interventional Radiology Foundation provides funding for medical students conducting preclinical research in interventional radiology. One student will receive a stipend and fellow's allowances through the program, which aims to cultivate future interventional radiology leaders.
A large study found that using certain drugs, four or more effective drugs, and a duration of 7-8.5 months can lead to successful patient outcomes in MDR-TB treatment. However, the findings should be interpreted with caution due to limitations in the methods and data.
A study of over 1,000 children found that Hispanic kids are more likely to be diagnosed with developmental delay than expected, highlighting the need for increased awareness and culturally relevant information. The results also suggest that bilingual children who receive secondary language exposure may have lower cognitive scores.
The WOEST study reveals that omitting aspirin in patients treated with oral anticoagulants and having a coronary stent is safe. Results show less bleeding and lower mortality rates compared to traditional triple therapy. This finding has significant implications for future treatment guidelines.
A University of Miami study found that shy preschool children start with lower academic skills and show slower gains than their peers. Children displaying shy behavior early on are at a greater risk of academic struggles, whereas loud and disruptive kids may benefit from specific educational strategies.
A new study has identified a gene that appears to make women happy, but not men. The low-expression form of the MAOA gene is associated with higher self-reported happiness in women.
The study found that 30% of Chinese urban households own credit cards, with a growth rate of 40% per year between 2004 and 2009. However, most non-card holders are unaware of safety issues and have little knowledge of credit card consequences.
A University of Michigan study proposes eliminating social security payroll taxes starting at age 55 to encourage workers to stay on the job. This would result in a 10.6% increase in take-home pay and a 1.5-year extension of working life.
Scientists investigate the genetic differences between East Asians and Europeans to understand why East Asians have lighter skin but lower skin cancer rates. The study focuses on the Senoi indigenous tribe in Peninsular Malaysia, which is believed to include a mix of African and Asian ancestry.
A new study from Linköping University reveals that circadian rhythm disruptions can immediately inhibit blood vessel growth in zebrafish embryos. The research also shows that vascular endothelial growth factor (VEGF) production is key to normal circadian rhythm functioning.
Researchers found that antibiotic concentrations set by regulators are high enough to slow fermentation, allowing pathogens like Salmonella and E. coli to proliferate. Boosting lactic-acid-producing bacteria survival can help mitigate the issue.
Researchers found that community-based pharmacists can identify knee osteoarthritis patients and improve their quality of care, pain management, and function. The study suggests a novel approach to preventing and treating knee OA, highlighting the importance of multidisciplinary care.
A new lineup technique, 'deadline confidence judgments,' improves accuracy by 20-30% compared to traditional methods. Witnesses are presented with individual photos and must rate their confidence within seconds.
Better air quality indicators are needed to address the risks of global urbanization on health. The World Health Organization estimates that outdoor air pollution causes 1.34 million premature deaths annually, with many low- and middle-income countries lacking reliable data.
The expanding raccoon population in Europe threatens native species and human health with infectious diseases such as rabies and Baylisascaris procyonis. The spread of these illnesses is linked to the raccoon's adaptability, high reproductive potential, and lack of natural predators.
Researchers observed rapid transport of exhaust plume from final space shuttle launch to the Arctic, forming unusually bright polar mesospheric clouds. The findings are critical for improving forecasts of communication signal propagation and over-the-horizon-radar.
Researchers at URMC have identified a new genetic signature for leukemia that can be used to target rogue cells. They found approximately 70 genes associated with the growth and survival of leukemia cells, opening up new avenues for drug discovery.
A Swedish registry analysis found a significant decline in ischemic stroke risk after AMI over the past decade. The risk decreased by 21% from 4.7% in 1998-2000 to 3.8% in 2007-2008, likely due to improved care and modernization of coronary care.
Researchers found that branding apples with Elmo stickers increased children's preference for fruit over cookies. The study suggests that similar tactics can be used to promote healthier eating in school cafeterias.
A new collection of articles introduces methodological innovations for estimating child mortality, crucial for monitoring progress toward the MDG goal. The UN IGME's evidence-based estimates are necessary for planning national and global health strategies.
The Atrial Fibrillation Ablation Pilot Study found that catheter ablation suppresses arrhythmia recurrences in 74% of patients after a single procedure. Symptoms such as palpitations and shortness of breath were significantly reduced, with over half of patients becoming asymptomatic.
The European Society of Cardiology sets a new standard for CRT management, covering pre-implant evaluation, device implantation, and follow-up. Key findings include improved symptoms, cardiac function, hospitalization rates, and mortality in CRT patients.
A team of astronomers has detected gravitational waves at optical wavelengths in light from a pair of eclipsing white dwarf stars. The effect, predicted by Einstein's theory of general relativity, causes the stars to inch closer together and orbit each other faster.
A multi-center study of intensive care units (ICUs) led by UCSF faculty aims to better understand the nature of team-based care and patient involvement in ICU settings. The study, funded by the Gordon and Betty Moore Foundation, is expected to decrease healthcare costs and improve patient safety.
A new study using ultra-fast CT scanners accurately assesses coronary blockages and determines which patients need revascularization. The results showed an excellent correlation with traditional means of assessment, allowing for more certainty in diagnosing patients with chest pain without evidence of a heart attack.
The Entomological Society of America has selected three new entomologists, Dr. Elizabeth F. Beckmeyer, Dr. Steve Clement, and Dr. Victoria Y. Yokoyama, as Honorary Members for their 20+ years of significant involvement in the Society's affairs. They will be honored at the Awards Ceremony in Knoxville, Tennessee this November.
Analysis of four French registries from 1995 to 2010 shows significant improvements in management and outcomes for acute myocardial infarction (AMI) patients, resulting in a notable decrease in 30-day mortality rates. This improvement is attributed to increased use of coronary angiography/PCI and early adoption of recommended medications.
Kepler-47b and Kepler-47c are the smallest known transiting circumbinary planets, with masses of 8 and 20 times that of Earth. The outer planet, Kepler-47c, is located within the habitable zone and orbits every 303 days, making it a promising candidate for hosting liquid water.
New research from the Trudeau Institute reveals a negative feedback loop regulating immune response to bacteria, preventing tissue damage while controlling bacterial growth. The study's findings have potential applications in improving prevention and treatment strategies for bacterial infections.
Ischemic stroke risk after acute myocardial infarction (AMI) dropped significantly, from 4.7% in 1998-2000 to 3.8% in 2007-2008, due to improved AMI care. Reperfusion therapy, blood clot dissolving therapy, and statins were found to be independent predictors of reduced stroke risk.
Hurricane Isaac is expected to bring heavy rain and storm surge to the northern Gulf Coast. The large storm system poses a threat for flooding due to its slow movement over Louisiana, and residents are bracing for the arrival of the hurricane.
The Johns Hopkins Armstrong Institute for Patient Safety and Quality has received an $8.9 million grant from the Gordon and Betty Moore Foundation to focus on hospital intensive care units and prevent harms by engaging patients and their families in their care. The institute aims to improve outcomes using a systems engineering approach...
Scientists have decoded signals that boost the burning of fat, focusing on the conversion of white fat cells into beige fat cells. Beige fat cells are efficient at converting energy from food into heat and can form from white fat cells.
Patients who resume smoking after a stroke are at three times the risk of dying within a year, with early relapse increasing mortality. The study highlights the importance of comprehensive smoking cessation interventions for post-stroke patients.
The genome sequence of diploid cotton (Gossypium raimondii) has been completed, providing a valuable resource for studying cotton quality and output. The study reveals insights into the genetic characteristics and evolutionary mechanisms underlying cotton, with potential applications in improving its fiber production.
A botany student has confirmed the existence of a new species, New England Banksia, previously classified as a variety of the Hairpin Banksia. The study, published in PhytoKeys, used molecular evidence to support the distinct species status of New England Banksia.
A new study reveals that brain clock oscillations are driven by cellular metabolism, which affects the production and flow of chemical energy in cells. The researchers found that redox reactions in the suprachiasmatic nucleus (SCN) oscillate on a 24-hour cycle, opening and closing channels of communication in brain cells.
A multidisciplinary team will recruit 1,500 breast cancer patients to examine the effects of exercise and physical fitness on survival and recovery. Researchers will assess physical activity, body composition, and biomarkers to better understand the optimal exercise prescription for fighting breast cancer.
A University of Miami study reveals that children experiencing both post-traumatic stress disorder (PTSD) and depression are more likely to face longer-term adverse reactions after a disaster. Helping children cope with stressors after the event can improve their psychological functioning.
Researchers propose a novel vaccine strategy using lipidated-promiscuous-peptide vaccines to overcome limitations of existing BCG vaccine, which fails to prevent disease in adults, especially in endemic regions. This new approach has shown promise in animal models and is being tested in human clinical trials.
Researchers at Brookhaven National Laboratory precisely measured a key parameter of electron interactions called non-adiabatic spin torque, guiding the reading and writing of digital information. The findings define the upper limit on processing speed that may underlie a spintronic revolution.
A recent study by a German-US science team estimates that there is about 4 billion tons of carbon stored in subseafloor microbes, reducing the total amount of carbon stored in living organisms by about one third. This new finding challenges previous estimates based on drill cores taken in nutrient-rich areas.
Researchers found that tamoxifen effectively suppresses gynecomastia and breast pain in men with prostate cancer. Treatment with tamoxifen was more successful than with aromatase inhibitors or radiotherapy in reducing breast symptoms.
Researchers found that widely used drug gabapentin significantly improves quality of life, severity, and frequency of chronic cough in patients who have not responded to standard treatment. The study suggests gabapentin's potential as a new treatment option for refractory chronic cough.
The Arctic sea ice extent has reached a new record low, with scientists attributing the decline to warmer temperatures. The minimum summertime extent of the sea ice is now 27,000 square miles below its peak in 2007.
A new transport protein, ABCD4, has been identified as responsible for the transfer of vitamin B12 from lysosomes into cells. This discovery provides evidence for another cause of hereditary vitamin B12 deficiency and enables diagnosis and treatment.
A study at ESC Congress 2012 found that renal denervation improved contractile function of the left side of the heart by more than 10% in patients with advanced heart failure. In contrast, standard drug treatment showed no change in contractile function.
A study using narrow band imaging found high accuracy for predicting polyp type and suggests leaving distal colon hyperplastic polyps in place with acceptable accuracy. The technology improved visualization of mucosal characteristics, enabling real-time assessment of polyp type.
Researchers have discovered a molecule that could lead to a future ALS treatment, modifying the course of the disease in zebrafish models. The EphA4 receptor was found to play a key role in the mechanism of ALS, with its expression linked to disease severity and recovery.
A recent study in the Journal of General Physiology reveals that Kv potassium channels are not regulated by physiological changes to PIP2. In contrast to inward rectifier channels, various members of the Kv channel family were unaffected by PIP2 depletion, suggesting a previously unknown mechanism for their regulation.
A WSU researcher has identified over 40 plant-based compounds that can turn on genes that slow the spread of cancer. The study highlights the potential role of diet and nutrition in controlling cancer's spread.
Researchers at UT Dallas have developed a new software system, dubbed Frankenstein, that can evade traditional antivirus scanning mechanisms. This innovative technology takes code from existing programs and repurposes it to create malicious software, providing a 'cloak of invisibility' for attackers.
Researchers found that nerves in squid skin control the animal's spectrum of shimmering hues, as well as their speed of change, creating spectacular optical illusions. The study provides evidence for neural control of iridescence in an invertebrate species.
A 15-year study of French registries shows a 68% decrease in STEMI mortality rate, with key factors including younger patients, increased use of reperfusion therapy, and improved early management. The results highlight the importance of addressing population characteristics and behavior to further reduce mortality rates.
A study by Dr Denise Fischer found that renal sympathetic denervation (RDN) reduces local and whole-body sympathetic activity and blood pressure. Patients experienced improvements in physical state, mental state, quality of life, anxiety and depression scores after RDN.
A new study found that the endovascular technique for repairing ruptured abdominal aortic aneurysms does not conclusively improve survival rates. The study, published in the Journal of Vascular Surgery, compared outcomes between patients who underwent emergency endovascular surgery and those who had open surgery.