Researchers report only limited evidence showing a link between sports concussions and increased risk of late-life cognitive and neuropsychiatric impairments. The study's findings cast doubt on the notion that CTE is a novel condition unique to athletes who have experienced concussions.
New research from a global consortium finds that current pledges for greenhouse gas emission reductions are insufficient, putting climate targets beyond reach. The study suggests that adherence to pledges would result in higher emissions than necessary to meet the 2°C target, limiting mitigation options and increasing costs.
Despite increased diversity efforts, underrepresented minority faculty numbers have stagnated, with only modest increases in recruitment and promotion. Minority faculty development programs were found to be ineffective in enhancing the representation of underrepresented minorities on medical school faculties.
A 12-organisation Anglo-French partnership has developed an English Channel Governance Guide to ensure sustainable management of the world's busiest waterway. The guide will inform live marine policy development on a national and European scale, focusing on ecosystem management, conservation, and human use of the waterway.
Researchers at Scripps Research Institute have discovered a natural mechanism that cells use to protect mitochondria from damage, a key factor in neurodegenerative disorders and cancer. The study reveals that reducing the import of proteins into mitochondria can help protect these organelles during stress.
A multifaceted program improving patient handoffs among physicians-in-training residents at a children's hospital was associated with a significant reduction in medical errors and preventable adverse events. The study found fewer omissions of key data on printed handoff documents and more verbal handoffs occurring in quiet spaces.
A new classification system called MOGE(S) has been developed to classify cardiomyopathies, a group of diseases affecting the heart muscle. The system uses a descriptive nomenclature with letters to explain individual patients' cardiomyopathy types and genetic mutations.
The Natural Environment Research Council (NERC) has announced the winners of its inaugural short article and photography competition. Laura Hepburn's essay on underwater hydrothermal vents won the top prize, while Paul Hopwood's image of burying beetles processing an animal carcass took second place in the photography section. The comp...
An international multicenter study found that men and women with mild coronary artery disease and similar cardiovascular risk profiles share similar prognoses. The study analyzed data from 27,725 individuals in six countries and revealed that nonobstructive coronary artery disease conferred a similar adverse risk of death or heart atta...
A study found that toxigenic C. difficile bacteria persistently colonize infants' guts for more than six months, posing a risk of spreading to vulnerable adults. The bacteria can cause severe disease in elderly individuals and those undergoing broad-spectrum antibiotics.
The 33rd tropical depression formed in the Northwestern Pacific Ocean on December 3, 2013. NASA's satellites captured images of the storm's cloud cover and rainfall rates, showing moderate to heavy rainfall north of the center of circulation.
Researchers at the Hebrew University of Jerusalem discovered a new compound, NT219, that selectively inhibits the aging process to protect the brain from neurodegenerative diseases. The compound's inhibition of IGF1 signaling pathway has therapeutic potential for treating neurodegenerative disorders like Alzheimer's and Parkinson's.
Researchers at the University of Washington and Stony Brook University have discovered a potential link between quantum entanglement and wormholes. The study suggests that entangled particles may be connected by hypothetical features of space-time that could facilitate faster-than-light travel.
A new UK review examines gender differences in COPD prevalence, pathophysiology, and clinical presentation. The study finds that women are increasingly affected by COPD due to changing smoking trends and environmental risk factors.
A new receptor, similar to those for endorphins or morphine, has been discovered to play a crucial role in the body's response to sepsis. Blocking this receptor may help reduce inflammation and improve outcomes for critically ill patients suffering from sepsis.
Scientists have sequenced the genome of the spotted wing drosophila, a major pest affecting blueberries, cherries, and other fruits. The publicly accessible SpottedWingFlyBase Web portal provides valuable data for researchers to develop more effective monitoring and control strategies.
Researchers found that consistent individual differences exist in sparrow behavior, with some birds being more aggressive and others using signals to communicate their intentions. The study identified a new dimension of animal personality, called communicativeness, which plays a significant role in signaling during aggressive situations.
Frequent emergency department users have substantial burden of disease, often with multiple chronic conditions and hospitalizations. Predictive modeling based on initial ED visit data can identify individuals likely to return frequently.
A large pooled analysis of over 7,000 patients with malaria suggests that dihydroartemisinin-piperaquine is highly efficacious but that young children are at higher risk of treatment failure due to insufficient doses. The study highlights the need for optimal drug dosing levels in this population.
Researchers at St. Jude Children's Research Hospital found avian H2N2 influenza A viruses from the 1957-1958 pandemic can infect human cells and spread among ferrets, posing a risk to those under 50 who lack immunity to the virus
A new paper by James Hansen and colleagues assesses the impacts of global warming, concluding that drastic emission reductions are needed to stabilize the climate. A call for papers on responses to climate change has been issued, with a focus on alternative energy development, environmental preservation, and ecosystem restoration.
Researchers have developed a novel aluminum hybrid with enhanced impact resistance, mimicking the strength of pomelo fruit peels. The composite exhibits superior tensile strength and ductility, making it suitable for safety materials in various industries.
The Laser Communications Relay Demonstration (LCRD) mission aims to demonstrate reliable optical services. It will conduct a two-year demonstration of optical relay services to collect long-term performance data and provide necessary knowledge for future mission-critical systems.
Research suggests that killer whales eavesdrop on sounds generated by their marine mammal prey to locate and hunt them in dark waters. A two-year study in Alaska using acoustic recording tags found evidence of nighttime hunting, debunking previous assumptions about the animals' reliance on echolocation.
The article reviews the biology of orchardgrass and its associated billbug pests, emphasizing the need for effective control methods. It highlights the economic damage caused by these pests and discusses available cultural, biological, and chemical control options.
A new internationally agreed radiocarbon calibration curve will allow key past events to be dated more accurately. The research, led by the University of Sheffield and Queen's University Belfast, provides improved accuracy to archaeologists, environmental scientists, and climate researchers.
A new risk-scoring tool helps surgeons counsel patients before breast reconstruction surgery. Smoking and obesity are associated with a higher risk of early implant loss, while a state of progressive obesity increases the risk even further.
Researchers found that warm ocean currents near Europa's equator and subsiding currents at the poles could create chaos terrains on the surface. This process may help initiate upwelling ice pulses, which form features like these terrains.
Scientists describe a new, large, and colorful beetle species from French Guiana that lives among ants, defying the dull coloration of its relatives. The newly discovered species, Guyanemorpha spectabilis, belongs to the Pseudomorphini Tribe and is comparable to the Olinguito, a carnivore species recently described in ZooKeys.
Researchers found that listeners can accurately determine the relative heights of speakers just by listening to them talk, thanks to specific sounds produced in the lower airways. The key clue lies in subglottal resonances, which become progressively lower with increasing height.
A global assessment reveals that fishing has reduced vital seaweed-eating fish by more than 50%, compromising coral reef health. The study highlights the importance of protecting these key species to preserve ecosystem balance.
Scientists successfully predicted the timing of the 2012-2013 influenza season up to nine weeks in advance, providing actionable information for officials and the public. The flu forecasting system, using combined data from Google Flu Trends and CDC reports, outperformed alternate schemes and showed regional differences in accuracy.
NASA detects widespread agricultural fires in Ecuador on December 3, 2013. The fires were likely set to manage land and clear unwanted plants, producing smoke that degrades air quality.
Two new studies found that anger and disgust can produce moral outrage in jurors, influencing their emotions and potentially leading to guilty verdicts. The research highlights the importance of judges weighing the admissibility of emotionally charged evidence in courts of law.
The state of Virginia has awarded $2.6 million to operate an unmanned aircraft systems test site, led by Virginia Tech and Rutgers University. The partnership aims to develop autonomous technology with significant economic impact, including 180-860 jobs and $45-164 million in economic activity.
Researchers found that pupils constrict in response to imagining brighter scenes and dilate when imagining darker scenes. This effect was observed even when participants were not actively trying to imagine the scenes, suggesting that mental imagery is closely tied to actual perception.
Selim Zilkha has pledged $5 million to the University of Southern California - Health Sciences to support a new endowed chair in Alzheimer's disease research. This gift brings his total commitment to neuroscience research at the Keck School to over $30 million.
Researchers used RIT to destroy HIV-infected cells in blood samples, reducing infection levels to undetectable. The treatment also showed effectiveness in targeting brain and central nervous system infections.
A study by the Wildlife Conservation Society and Zoological Society of London reveals that the Sahara has suffered a catastrophic collapse of its wildlife populations. Over 14 desert species have declined, with many becoming regionally extinct or confined to small areas of their historical range.
Duke University researchers analyzed data from 20 million virtual suitcase searches and found that players correctly identified ultra-rare items only 27% of the time. The study reveals a strong relationship between item frequency and detection rates, highlighting how rare objects can slip past us despite intense searching.
Researchers Karine Nahon and Jeff Hemsley study thousands of blogs, posts, and tweets to explore the origins and impact of internet memes. They argue that viral information can shape public opinion and have a lasting impact on society.
Researchers found ozone, UV, and humidity significantly impact silver's corrosion rate. By understanding these factors, new models can predict atmospheric corrosion rates and improve performance. The study also aims to explore other metals' corrosion behavior.
Researchers found that Neanderthals divided their shelters into different areas for various activities, including a hunting stand, base camp, and residential area. This discovery highlights the sophistication of Neanderthal spatial organization, challenging previous assumptions about their behavior and cognitive abilities.
A new study published in Health Affairs suggests that providers and organizations can reduce acute care costs through public health measures and educational initiatives. The authors propose a fee-for-service payment system with incentives based on resource and quality measures to encourage high-value care.
Researchers found that 53% of men with ERG-positive HGPIN biopsies developed invasive prostate cancer, compared to 35% of those with ERG-negative biopsies. The discovery may help physicians monitor men at higher risk for cancer development and reduce unnecessary future biopsies.
A study found that cognitive behavioral therapy for PTSD reduces symptoms and affects underlying biology, reversing changes in gene expression and brain volume. The therapy was associated with improved symptoms and increased hippocampal volume and FKBP5 gene expression.
A study found that attendance at clinical and tutorial-based activities by medical students is positively correlated with overall examination scores. Students who attended more than 80% of these activities received distinction grades, indicating they met additional standards for competence.
A new study from CAMH found that people carrying the SORL1 gene for Alzheimer's disease show brain changes beginning in childhood. These changes are linked to an increased risk of late-onset Alzheimer's, a condition that typically appears decades later.
Scientists at Brigham and Women's Hospital have developed a method to grow extensive numbers of intestinal stem cells, which can then be directed to mature into different types of intestinal cells. This breakthrough could lead to the creation of a new gut for patients with gastrointestinal disorders.
A new study investigates the potential toxicity of nanoparticles on human immune cells, finding that eosinophils respond to nanoparticle contact. The research aims to establish standards for worker protection and regulation of nanoparticle use.
A University of Iowa researcher found a 'Goldilocks' effect in snail populations, where certain boundaries restrict growth and reproduction. This discovery may one day aid in controlling the spread of invasive species.
A University of Houston-led international expedition drilled into the lower crust of the Pacific Ocean, revealing new discoveries about the Earth's development. The team found substantial amounts of the mineral orthopyroxene in gabbros, challenging existing theories on the formation of the lower ocean crust.
Scientists from the University of Granada have developed a technique that uses circulating tumour cells and genetic markers to predict patient response to chemotherapy. This study has been awarded at the 9th International Symposium on Minimal Residual Cancer in Paris.
A PLOS Medicine study reveals that half of trials with posted results on ClinicalTrials.gov have not been published in a journal. The study found that unpublished trials were more likely to report certain outcomes, such as participant flow and adverse events, suggesting improved transparency in clinical research.
A large screening study found that 3D mammography increased breast cancer detection by 22% and reduced recall rates. The technology improved the accuracy of suspicious findings, leading to a 46% increase in positive predictive value.
Researchers discovered a surprising abundance of species in Antarctic fjord seafloors, including bristle worms, anemones, and sea spiders. Climate warming is expected to impact these ecosystems as glacial melting accelerates and sediments enter the fjords.
Researchers at the University of Otago and Plant & Food Research have identified the genetic mechanism controlling onion bulb formation in response to changing daylight hours. This discovery will help breed new onion cultivars that can thrive in different environments, increasing crop yields and export revenue.
Larger commercial and industrial operations in areas with access to large timber resources could convert to wood-powered burners for heat and power. Wood is a renewable resource that could contribute to the nation's energy needs indefinitely if managed sustainably.
Researchers at Fred Hutchinson Cancer Center have gained a better understanding of how to increase the window of opportunity to detect potentially dangerous cancers before they're hard to treat. By studying genetic changes in Barrett's esophagus, scientists found that cancer arises suddenly after cells undergo large, drastic mutations.
Researchers at UCSB have identified a way to change one cell type into another using transcription factor ELT-7, which was previously thought to be exclusive to early embryonic cells. The discovery opens up new possibilities for regenerative medicine and could potentially allow for the creation of entire organs from scratch.