Subtropical storm Melissa formed in the central Atlantic Ocean on November 18, with maximum sustained winds near 50 mph. The National Hurricane Center expects it to transition into a tropical storm later in the day.
NASA's Operation IceBridge is conducting a daily survey flight through Nov. 26, collecting data on Antarctic land and sea ice. The mission aims to track changes in polar ice, including the Siple Coast and Ross Sea areas.
Researchers at Berkeley Lab have developed a lithium-sulfur (Li/S) battery with more than twice the specific energy of lithium-ion batteries and up to 1,500 cycles without significant capacity loss. The battery's high performance makes it promising for electric vehicles with long driving ranges.
The study found that men taking tasquinimod saw no cancer progression for an average of 7.6 months, compared to 3.3 months for placebo. Men whose cancer had already metastasized to their bones and took tasquinimod remained progression-free for even longer, with an average survival benefit of seven months.
A study of 1,059 residents found that a decline in optimal lifestyle score was associated with a nearly 3-fold increased risk of incident MS. Increasing fruit and vegetable consumption and reducing BMI were strongly linked to lower MS risk.
A study by researchers from Duke University found that exposure to multiple brands with different personalities can make a focal brand seem more distinctive. Consumers are more likely to buy Mountain Dew when it's paired with a dissimilar brand like Honda, especially at faster-than-normal commercial speeds.
A recent study published in PLOS Medicine found that new guidelines for starting anti-AIDS drugs in young children may increase treatment access, but do not significantly impact mortality rates. The study analyzed data from over 3000 children with HIV and found that deferring treatment until CD4 counts and percentages fell below certai...
A study found that younger Hispanic and black women have a higher risk of in-hospital death after a heart attack compared to white men. Additionally, they are more likely to suffer from diabetes and have limited access to treatment options such as percutaneous coronary interventions or coronary artery bypass surgery.
AUC San Diego study reveals racial inequality in cancer treatment access, resulting in 15% higher mortality for African-American patients. Despite receiving similar treatments, black patients are less likely to receive primary tumor surgery and chemotherapy.
Researchers at the University of Missouri have discovered that resveratrol may also block the effects of methamphetamine. The study found that resveratrol significantly diminished methamphetamine's ability to increase dopamine levels in the brain.
A new study reveals that protein imbalances, rather than sequence differences, play a crucial role in mediating reproductive isolation between closely related species. The Lmr and Hmr genes, which form a Dobzhansky-Muller gene pair, are responsible for this phenomenon.
Liberals tend to underestimate agreement within their own group, while conservatives overestimate it, leading to different social change outcomes. This is driven by participants' desire for uniqueness and inaccurate perceptions of in-group consensus.
Clemson researchers developed a novel nanosizing method to tailor n-type bismuth telluride for high thermoelectric performance. The technique enables the creation of 'interfacial charged defects' that improve structural and thermoelectric efficiency over a wide temperature window.
A study found that medication and individual psychotherapy are effective treatments for alcohol dependence, particularly when patients commit to the treatment. The stepped-care approach, which escalates services as needed, also showed promise in reducing heavy drinking and relapse rates.
A new study found that women exposed to phthalates during pregnancy have a significantly higher risk of preterm birth. The study, which measured phthalate levels in urine samples from pregnant women, found that those with the highest exposure had two-to-five times the odds of preterm birth compared to those with lower exposure.
A study by Washington State University researchers compared high tunnel and open-field production systems for lettuce and tomato. High tunnel-grown tomatoes were three times more profitable than open-field production, while lettuce was less profitable due to higher labor costs.
Tropical Cyclone 04B is a rapidly intensifying storm with moderate rainfall and broken bands of thunderstorms. The cyclone is expected to track slowly westward before making landfall in southern India, where it may bring significant impacts.
A study published in the European Heart Journal found that ultrafast CT scanners can accurately detect heart blockages without the need for invasive procedures. The research involved 381 patients across 16 hospitals and showed that 91% of those with no blockages would not require invasive treatment.
A study of teens and young adults found a link between poor mental health and casual sex, with each contributing to the other over time. Researchers found that those who engaged in casual sex were more likely to later seriously consider suicide.
Researchers discovered that S. aureus converts neutrophil extracellular traps into a toxic molecule, dAdo, which kills macrophages and allows the bacteria to avoid immune destruction. The study provides new insights into the mechanisms behind S. aureus infections and offers potential therapeutic targets.
A study by University of Cincinnati researcher Stephanie Sadre-Orafai compares the casting methods of New York City fashion scouts to the NYPD's stop-and-frisk program, revealing similarities between the two.
Researchers have found that a population of fruit bats covering central Africa is infected with two deadly viruses. The African straw-coloured fruit bat was previously known to be a reservoir for these viruses, and its homogeneity and extensive movement make it easy for the viruses to spread.
Researchers used brain imaging to track pregabalin's effects on fibromyalgia patients, finding reduced glutamate levels and decreased insula connectivity. This study suggests a future of targeted brain imaging approaches for chronic widespread pain treatment.
The study found that monkeys can localize stimuli they do not perceive, similar to humans, who can also locate and side-step objects in their peripheral vision. Monkeys performed tasks accurately when stimuli were unmasked, but still localized targets at masking levels for which they reported no target had been presented.
A new Cornell University study reveals that consumers are willing to pay more for products labeled as 'free of' certain ingredients. When provided with more information about the risks associated with those ingredients, consumers become even more confident in their purchasing decisions and value the product more.
CRaTER, an instrument on NASA's Lunar Reconnaissance Orbiter, has made detailed measurements of radiation in deep space. The findings provide crucial data on the high-energy hazards at and around the moon, enabling astronauts to shield against radiation.
A global decline in children's cardiovascular fitness has been observed, with average changes of 5% per decade since 1975. This decline is associated with increased risk of heart disease and other health problems in adulthood.
Survivors with a history of smoking have poorer survival rates and are more likely to experience disease progression, relapse, or spread. Heavier pack-years smoked correlate with increased risk of death.
A multicenter clinical trial found similar patient outcomes one year after surgery for both mitral valve repair and replacement. However, mitral valve replacement was shown to be more durable than repair in preventing recurrence of mitral regurgitation.
A new paper highlights repeated correlations between human-caused changes to natural systems and human health outcomes, including cardiopulmonary disease, Chagas disease, malaria exposure, and iron deficiency anemia. The study proposes a research framework to strengthen the scientific underpinnings of both public health and environment...
Scientists have successfully manipulated atomic magnetism by harnessing superconductivity to create a stable state, enabling the potential for quantum computing. By studying tiny magnetic molecules in contact with a superconductor surface, researchers were able to write and read information using controlled magnetism.
A study found that younger patients have a lower quality-of-life score after breast biopsy due to increased pain and anxiety. The researchers suggest tailored pre-biopsy counseling could minimize these effects.
Scientists have found a protein called UCP1 that burns energy and produces heat in the body. Activating this protein using fatty acids may lead to a new way of triggering fat burning and could potentially help with weight loss.
A team of biochemists and mathematicians developed a geometric model to predict how biological molecules interact with water, computing results up to 20 times faster. This approach may help identify new targets for treating human diseases.
A social media program by San Diego State University professor Ming-Hsiang Tsou analyzed tweets for keywords 'flu' and 'influenza' to identify outbreaks. The algorithm detected daily correlations between tweet patterns and regional reports, with five cities showing the strongest correlations.
A 3-year study in Colombia found that preschoolers participating in a structured curriculum using Sesame Street's materials improved their knowledge of healthy eating and exercise habits by 15-27%. The percentage of children at a healthy weight increased by 13%. Parents' knowledge and attitudes also showed significant improvements.
A study by St. Michael's Hospital found that youth prefer rapid point-of-care HIV testing due to its speed and non-invasiveness. The test provides results within minutes, making it ideal for transient or homeless youth who may not return for follow-up appointments.
A team of scientists found a consistent signature of brain activity in patients with severe brain injuries who regained consciousness after using Ambien. The unique electroencephalography (EEG) pattern points to a neural circuit switched on by the drug, which may help identify other patients who could respond.
Researchers found that priming with homophones can influence consumer behavior, leading to increased willingness to pay for products. The study's findings have broader applications beyond consumer behavior, including potential uses in public policy and dieting goals.
The NASA MAVEN mission has launched successfully, embarking on a 10-month journey to the Red Planet. The spacecraft will arrive at Mars in September 2014 and begin collecting science data after completing a check-out period.
The University of Chicago researchers will investigate 102 hypothetical genes from plague and brucellosis bacteria using cross-disciplinary approaches. This research aims to assign functions to these genes, which could inform studies across species with similar genes.
Researchers found that zinc sprays at critical stages on apple trees increased zinc concentration, average fruit weight, and improved fruit firmness. Sugar alcohol zinc applications were more pronounced in improving fruit quality.
Two healthy young siblings experienced acute ischemic strokes soon after smoking synthetic marijuana, highlighting the risks of this illicit drug. The study urges physicians to be aware of the potentially toxic effects of recreational synthetic drugs and to ask about pot and spice use in patients.
A single dose of AAV1/SERCA2a gene therapy has long-lasting benefits for advanced heart failure patients, improving heart function status and reducing recurrent cardiovascular events. The study results support the potential use of this gene therapy as a new tool for treating advanced heart failure.
A new study found that scopolamine causes rapid activation of mTOR signaling and increased synaptic connections in the prefrontal cortex, similar to ketamine. This suggests a common downstream action linked to rapid antidepressant responses.
Researchers at The Feinstein Institute for Medical Research have discovered a new genetic risk factor called NDST3 for schizophrenia and bipolar disorder. This genetic variant alters the expression of the gene, affecting neurodevelopmental processes, offering potential therapeutic targets for treatment.
A study by Indiana University and Regenstrief Institute found that cognitively impaired older adults released from the hospital are less likely to be rehospitalized within 30 days if they go to a nursing home. In contrast, those returned to their own homes or family members are more likely to experience readmission.
Researchers found that patients with major HAIs after cardiac surgery were nearly twice as likely to be readmitted and incurred costs averaging $40,000 due to treating HAI infections.
Researchers at EPFL have discovered a law that can predict the growth of cities based on past population data and neighboring cities. This allows for better planning and management of urbanization. The study analyzed data from Spain over 111 years, uncovering patterns in urban migration.
Research suggests that northern China conduct annual vaccinations starting in October, while southernmost provinces vaccinate in February. The study aims to optimize the timing of future vaccination programs and provides a clear picture of influenza seasonally across China.
New insights into how Lyme disease and syphilis spirochetes move through and into organs reveal a key mechanism driving their invasiveness. The findings provide a novel biophysical model that could form the basis for targeting these bacteria's invasion capabilities.
Research finds severe economic loss during recession increases drunkenness and alcohol problems in men and middle-aged Americans. Men and those aged 30-49 show most adverse effects of economic loss on drinking patterns.
Research reveals that consumers value sales more when considering the original price, and retailers can leverage this by highlighting list prices. In three experiments, authors found that relying on competing product similarities increased consideration of both original and sale prices, while focusing on dissimilarities led to a focus ...
A new study has found that patients with temporal lobe epilepsy have abnormal brain connections, which could help diagnose and treat the condition. The study used diffusion tensor imaging to track water movement in the brain's white matter, revealing a decrease in long-range connectivity of up to 45%.
A Dartmouth-led team has developed a more accurate method to date boulders deposited by tropical glaciers, yielding older ages and changing previous research on climate's impact. The new production rate suggests glaciers expanded during cooler and drier times in the tropics.
The Los Alamos National Laboratory team has developed a novel approach to estimating epidemic dynamics, capturing the full infection history and social network interactions. The model allows for realistic simulation of epidemics with known parameters of human interactions.
Researchers evaluated the impact of different colored shade nets on plant growth, temperature and light conditions in a 12-month study. The results showed that all shade nets reduced photosynthetic active radiation (PAR) values compared to uncovered sites, with black nets reducing PAR most and red nets least.
Scientists have found that Mars can also stir up asteroid surfaces, refreshing them over time. The research suggests that the Red Planet plays a key role in altering the chemical nature of asteroids' surfaces, changing their reddish hue.
The UC Davis Institute for Population Health Improvement has awarded $400,000 to L.A. Care to develop Blue Button functionality, allowing patients to access their own prescription data online. This project is the first in California and among the first in the nation to implement the tool for Medicaid beneficiaries.
Researchers found that adding a corticosteroid to standard treatment significantly improves both short- and long-term visual acuity in patients with nonarteritic anterior ischemic optic neuropathy (NAION). The study showed that patients treated with the combination therapy had better long-term vision compared to those only treated with...