New study finds MR images taken during systole phase show more accurate detection of myocardial scars in ischemic cardiomyopathy patients. Systolic images revealed scars not visible on diastolic images, particularly in the left ventricle area prone to ischemic damage.
A new algorithm optimizes tube potential for patients undergoing lumbar spine CT exams, resulting in a 41% reduction in radiation dose. The study found that lower kilovoltage images maintained diagnostic quality despite increased image noise.
A systematic review of 13 controlled studies found L-carnitine significantly reduces all-cause mortality, ventricular arrhythmias, and angina attacks following a heart attack. The therapy also improves cardiac health by improving free fatty acid levels and glucose oxidation.
A new study suggests that carbon dioxide removal can alleviate the most costly components of climate change mitigation, allowing for more flexible emissions control. The study found that bioenergy with carbon capture and storage (CCS) could halve aggregate mitigation costs over the 21st century if available.
Randall White, a renowned volcano seismologist, has been recognized by the Seismological Society of America (SSA) for his dedication to public service and seismic forecasting. He has saved countless lives through his work in predicting volcanic eruptions, sharing his techniques with international partners.
Ana Bencomo, chair of UH Hispanic studies, has been awarded a Core Fulbright U.S. Scholar Grant to study the Mexican journalistic chronicle genre and its reporting on narco-violence. She will teach courses at the University of Guadalajara and conduct research, exploring the intersection of journalism, literature, and identity.
The VOI is a compact, two-wheeler electric scooter designed to transport passengers safely and comfortably through congested city streets. Its modular design allows for various configurations, including cargo boxes and mobile kitchens.
The American College of Physicians (ACP) has introduced two evidence-based interventions and two videos to enhance patient-clinician communication in the first year following an acute coronary syndrome (ACS) event. The initiatives aim to improve health outcomes by providing a patient guide, clinician support tool, and video resources.
New research from USC highlights opportunities for smoking intervention programs that target junior high and parental influence. The study found that friends' influence on cigarette use was higher in junior high than high school, while parental influence remained relatively stable.
Researchers propose a new theory of evolutionary development, suggesting that complex structures may emerge through the process of 'complexity by subtraction', where parts are lost or simplified over time. Computer models and trends in skull evolution support this idea, which challenges traditional incremental evolution.
A genetic analysis of the avian flu virus reveals it is evolving to adapt to human cells, allowing it to efficiently infect humans. The study found that the virus can grow in human cells at a lower temperature than birds, posing a significant risk to human health.
Scientists at the John Innes Centre revived a classic heritage barley variety called Chevallier, which has shown valuable disease resistance. The new barley is set to improve beer production by preventing contamination with mycotoxins, leading to better-tasting beers like Porter and India Pale Ale.
Researchers at Norwich BioScience Institutes use atomic force microscopy to analyze mucins and their interactions with beneficial and disease-causing bacteria. The study aims to understand the role of mucus in maintaining a healthy gut and develop new insights into gut diseases.
Widespread fires were observed in Mexico, Guatemala, El Salvador, and Honduras in a NASA satellite image taken on April 11, 2013. The fires may be caused by the region's dry season or deliberate actions by farmers to clear old crops.
A Northwestern University study reveals that facial preferences differ among populations, with distinct chin shapes found across various groups. The findings suggest that human mate choices are influenced by factors beyond physical attractiveness.
Researchers found that the APOE gene and ABCA7 gene were significant risk factors for late-onset Alzheimer's disease in African Americans. The study also suggests that these genes may be shared with Caucasians, but with different variants. Further studies are needed to understand the biologic implications of these findings.
Researchers discovered a molecular switch regulating biofilm formation, which could help identify new antibiotics and prevent biofilms from forming. The study sheds light on how bacteria shield themselves in a slimy protective layer to evade attacks.
A recent study by Ohio State University researchers found that adults who spend more time preparing food tend to exercise less, and vice versa. The study analyzed data from over 112,000 American adults and found a substitution effect between these two healthy behaviors on the same day.
A team led by UCSB professors found that certain microscopic shelled plants, such as Emiliania huxleyi, can tolerate high levels of carbon dioxide and even increase shell production, but may grow slower. This discovery suggests variable responses in marine organisms to ocean acidification.
A team of scientists at Temple University School of Medicine has identified a key molecule, GRK2, in mitochondria that contributes to the death of heart cells. The researchers found that blocking this enzyme's activity can prevent its delivery to mitochondria and reduce pro-death signaling.
Researchers at the University of Washington have developed a new procedure that thickens and thins fluid at the micron level, potentially saving consumers and manufacturers money. The process creates a permanent scaffold-like network that could be useful for biological applications, such as detecting certain diseases.
A new study suggests that obstructive sleep apnea severity is higher in African-American men, particularly in certain age ranges. The study found a significant association between race and AHI after controlling for demographic factors, with African-American men showing increased breathing pauses per hour of sleep compared to white men.
Cyclone Victoria was torn apart by strong wind shear, with TRMM spotting limited rainfall areas. The storm dissipated due to interaction with cool waters.
A new study found that combining asbestos exposure, asbestosis, and smoking significantly increases the risk of developing lung cancer. Quitting smoking can reduce this risk after long-term asbestos exposure.
New NASA satellite imagery shows Cyclone Imelda's strongest thunderstorms and precipitation located east of the storm's center. An upper-level trough is causing subsidence, preventing clouds from forming as air sinks to the surface.
The ORIENTplus upgrade provides a high-capacity e-infrastructure for EU-China collaborations, enabling data-intensive projects like Large Hadron Collider and genome research. The upgraded link supports robust networks, scalable storage, and fast compute for world-class research and education.
A team of researchers from the University of Bristol and the University of Bern studied the investment strategies of dominant pairs in a species of cichlid fish. They found that removing large helpers for 30 days allowed dominants to reduce their territorial duties, with new helpers taking over after seven days.
Researchers investigated the use of bone-marrow grafts to treat low-back pain. The study found that some patients experienced complete pain relief after treatment, while others showed no improvement.
Researchers found that intestinal stem-cell regeneration in fruit flies varies with the time of day, with gut healing being more effective at certain times. This study sheds light on how circadian rhythms control daily functions and has potential applications for human health, including optimizing chemotherapy timing.
Researchers at Harvard University have developed a new statistical model to compare modern and historical temperatures. The study found that the warmest summers in the last two decades are unprecedented in the previous six centuries.
The book reveals how science, socio-political, cultural, and biological factors have shaped our understanding of stress since the late nineteenth century. Professor Mark Jackson's work highlights the link between stress and disease, tracing it back to Hungarian scientist Hans Selye's theories.
A study of returning veterans with major limb injuries found that while pain improved significantly within the first year, mental health problems such as depression and PTSD persisted. The research highlighted the need for ongoing biobehavioral pain and psychological care to help severely injured veterans cope with their pain and trauma.
Researchers found that cannula gauge, tip length, set temperature, and lesion time significantly impact heat lesion width and length in radiofrequency treatments. The study provides new insights for pain management and treatment precision.
Polycrystalline diamond is used to manufacture monolithic components for optical circuits, combining integrated optics with mechanical elements. The material's high refractive index, low absorption, and modulus of elasticity enable efficient photon transport and robustness.
Dozens of fires have been detected in the Yucatan Peninsula, with many believed to be deliberately set for agriculture purposes. The region is experiencing its dry season, which often leads to an increase in fires.
A mid-level solar flare, classified as an M6.5 flare, was detected by NASA's Solar Dynamics Observatory on April 11, 2013, producing a radio blackout. The flare disrupted radio signals for hours and is the strongest seen in 2013 so far.
NASA's Aqua satellite captured images of Cyclone Imelda on April 11, revealing a well-developed storm with tightly-curved bands of thunderstorms. The storm turned to the south due to wind shear, with powerful thunderstorms dropping heavy rainfall and having cloud top temperatures colder than -63 Fahrenheit.
Dozens of agricultural fires have been set in India and Nepal, with the NASA MODIS satellite capturing their extent. The fires are outlined in red on this natural-color image from April 06, 2013.
Researchers found microwave ablation (MWA) therapy cut pain in half for patients with bone and soft-tissue tumors, lasting up to 15 months. MWA was faster than radiofrequency ablation, with less risk of complications.
A comprehensive marine biodiversity observation network could be established within 5 years with modest funding, addressing gaps in understanding global marine organism distribution under climate change threats. The network would help identify threats like exotic species invasions and resolve conflicts over ocean management.
Fires in Southeast Asia are ongoing, with crop burning identified as a primary cause. NASA images capture the extent of these fires, which can have devastating environmental impacts.
Research reveals many marine mammal populations are increasing, with some recovering to near carrying capacity. The MMPA's strong protections against commercial and accidental killing have contributed to these recoveries.
A new report highlights regulating alcohol outlet density as an effective strategy to reduce excessive drinking and related harms. By limiting outlets per population or using land-use powers, localities can address excessive drinking and create healthier communities.
The study provides insight into hydrocarbon combustion and atmospheric chemistry, confirming fast reactions and first-time measurements with water. The findings validate theoretical predictions and supply critical targets for validation in predicting Criegee intermediate reactions.
A study of 40 patients on high-dose opioid therapy found improved pain control and mental outlook, but also significant hormonal disturbances and signs of inflammation. Despite these complications, the majority of patients reported improvements in at least one physiologic function.
Researchers at Columbia University developed a method to map evaporation globally using weather stations, enabling scientists to evaluate water resource management and assess recent trends. The technique uses air temperature and humidity measurements to obtain daily evaporation rates.
Cyclone Imelda continues to strengthen with powerful convection throughout the storm. Infrared satellite imagery captures cloud top temperatures indicating stronger uplift and higher thunderstorm development. The cyclone is moving west-southwest at 4 knots, influenced by a high-pressure ridge and a low-pressure trough.
Researchers found that excess tumor necrosis factor production initially kills TB pathogens, but later encourages their growth. Certain drug combinations can reverse this effect, potentially reverting hypersusceptibility to hyperresistance.
Researchers developed two innovative techniques to minimize lead migration and anchor site pain in spinal cord stimulators. Advanced anchoring and multiple lead placement through a single port reduced complications and improved patient outcomes.
Researchers at Mount Sinai have identified a soy-based compound, genistein, that can inhibit tumor cell growth and block Wnt signaling hyperactivity in colorectal cancer. Genistein has shown promise as an adjunctive treatment for metastatic colorectal cancer when used in combination with chemotherapy.
Researchers from UCLA and UC Berkeley have solved the puzzle of the telomerase enzyme complex's three-dimensional structure, revealing its role in cancer and aging. The discovery opens up new approaches to fighting disease, particularly cancer, by allowing for targeted drug development.
A new ice cloud has appeared over Titan's south pole, marking the onset of a global air circulation reversal. The cloud is composed of an unknown ice type and appears to be building rapidly, while its northern counterpart is slowly fading.
Researchers analyze fossilized teeth of Australopithecus sediba and find it shares common dental traits with early humans. The study suggests that sediba is a close relative to humans, but its position in human evolution remains uncertain.
Thousands of wildfires are burning across the southeastern United States, with many prescribed fires also taking place to manage undergrowth and agricultural purposes. The National Interagency Fire Center reports 17 large fires, including three uncontained ones.
The study provides a comprehensive depiction of the early human ancestral remains from Malapa, including their unique lower back curvature and more flexible spine. The findings suggest that Au. sediba walked in a way that was a 'compromise' between bipedalism and quadrupedalism.
Researchers found that weight loss after gastric bypass surgery changes DNA methylation, affecting genes controlling glucose and fat metabolism. This reversal coincides with weight loss and improvement in overall metabolic health.
Researchers from BUSM have developed a genetic signature for COPD from airway cells, providing a new way to study the disease and monitor patient response to treatments. This approach has shown consistent gene-expression changes in both airway and lung tissue cells in individuals with COPD.
A new hypothesis suggests that spherical structures in the nucleus, containing FE65 and BLM proteins, can give a wrong signal for cell division. This degeneration and death of nerve cells is linked to Alzheimer's patients.
New molecular techniques offer insights into pet obesity, with a focus on understanding how nutrients affect gene expression. Researchers aim to prevent obesity by identifying key biological compounds and their impact on metabolism., Pet obesity affects over 50% of US dogs and cats, leading to chronic disease and reduced lifespan.
A powerful M6.5 solar flare was detected by NASA on April 11, 2013, which also triggered an Earth-directed coronal mass ejection (CME). The CME caused a geomagnetic storm, potentially affecting electronic systems in satellites and on the ground.