Researchers at Columbia University Irving Medical Center have discovered that UV light can kill drug-resistant bacteria, a major cause of infections around skin-penetrating medical devices. The study, published in PLOS ONE, suggests that far-UVC light delivered through optical fibers could be used to prevent catheter-based and drivelin...
The discovery of Bannykus and Xiyunykus sheds light on the evolution of alvarezsaurian dinosaurs' monodactyl hands. These ancient theropods display a major macroevolutionary shift from grasping hands to specialized, functionally monodactyl hands.
Researchers at York University found that inbreeding and disease are likely causes of the yellow-banded bumblebee's rapid decline in North America. The study reveals that bumblebees' immune genes are under selection, pointing to disease as a likely cause.
Scientists have detected signs of Alzheimer's disease in the eyes of patients who showed no symptoms, using a non-invasive technique called optical coherence tomography angiography. The study found that patients with elevated levels of Alzheimer's proteins had significant thinning in the center of their retinas.
Researchers found that juvenile pigs' mucosal environment can stimulate repair of intestinal injuries in newborn piglets. The study aims to understand why humans and other young animals have trouble repairing these injuries, with potential implications for treatments.
Researchers at Tel Aviv University have developed a system to harness data from smartphones to forecast weather patterns, particularly those that lead to flash floods. The smartphone sensors can monitor various atmospheric conditions, such as temperature, humidity, and light levels, providing valuable data for accurate forecasts.
New research reveals a dangerous midlife switch from daily activity to sedentary behavior, with black men and women at highest risk. The study, published in the American Journal of Epidemiology, calls for revised national physical activity guidelines to address this trend.
Researchers found JE virus infection rates similar in rural and peri-urban pigs in Cambodia, with potential implications for vaccination strategies. The study's findings suggest that JE virus circulation is intense in both settings, highlighting the need for updated recommendations.
Researchers at Imperial College London identified the cause of enterovirus outbreaks as linked to birth rates. The model predicts subsequent outbreaks, allowing for vaccine design and anticipation of outbreak impact.
A joint British-Italian team has shown that the clustering of three deadly quakes in Italy's Apennine mountains may have been caused by a cross-cutting network of underground faults. The research found that smaller faults prevented a single massive earthquake from occurring and also triggered later earthquakes.
A recent study explores how Sargassum's growth and movement along ocean currents affect its distribution patterns. The research reveals two key regions influencing the spread of Sargassum across the Atlantic, providing potential insights for predicting coastal inundations.
Bilingual children develop each language at a slower pace due to divided input from the majority and heritage languages. Research by Erika Hoff finds that quantity of input and quality of exposure influence language growth.
A new rat study suggests that individual variations in genetic makeup and gut bacteria may explain the different effects of antibiotics on blood pressure. The researchers treated two strains of rats with three common antibiotics, resulting in distinct responses in systolic and diastolic blood pressure. These findings highlight the impo...
Researchers found that Evf2 RNA regulates key genes during embryonic brain development, affecting GABA neurotransmitters and leading to seizures or neurological disorders. The discovery could help identify therapeutic targets to prevent neurological diseases.
Researchers developed a protocol to isolate dopaminergic neurons from stem cells, improving cell-replacement therapy outcomes. The study found that transplanted cells with the contactin 2 protein exhibited better dopamine release and reduced motor symptoms in Parkinson's disease models.
Duke University researchers have developed a handheld probe that can image individual photoreceptors in the eyes of infants, allowing for early detection of eye diseases and brain-related traumas. The new technology uses adaptive optics and is much smaller and faster than previous systems, making it ideal for imaging young children.
Researchers discovered that endothelial cells instruct neurons on their correct positioning in the cerebral cortex through laminin secretion. This finding highlights the importance of neurovascular communication in brain development and may hold key to treating dementia and mental illness.
A new simulator, GRFICS, allows users to play the roles of attackers and defenders in a virtual chemical processing plant. The system helps operators learn to detect attacks and respond appropriately, reducing vulnerabilities in industrial control systems.
Researchers used advanced cryo-EM technology to determine the structure of a molecular complex implicated in birth defects and several cancers. The study revealed that two Patched-1 molecules simultaneously engage a single Hedgehog molecule, forming a unique 2-to-1 ratio PTCH1-HH complex required for efficient Hedgehog signaling.
A new analysis by Harvard T.H. Chan School of Public Health suggests that achieving universal healthcare (UHC) will require significant transformations in how health services are delivered, particularly in low- and middle-income countries. The study emphasizes the importance of investing in quality medical services, adopting innovative...
Researchers found that myeloperoxidase can degrade both single-layer and few-layer graphene, opening up new avenues for developing biodegradable graphene-based materials. This discovery is crucial for ensuring the safe use of graphene in biomedical applications.
Agricultural irrigation accounts for 70% of water use in some regions, and increased efficiency can lead to more water extraction, not less. Higher irrigation efficiency may even increase on-farm water use and groundwater extraction, argues a recent study by the American Association for the Advancement of Science.
A new web-based calculator, CTS5, can accurately predict the long-term risk of breast cancer returning in other areas of the body. The tool helps clinicians decide whether to continue or stop hormone therapy, improving patient quality of life and reducing unnecessary treatment.
Researchers have developed a new class of anti-cancer medicines based on nanoMIPs, which selectively bind to specific molecular targets. This approach ensures high specificity and stability over temperature and acidity, expanding treatment options for various diseases.
Researchers developed a new method to distinguish changes in protein synthesis from degradation in single living cells. They found that protein synthesis and degradation rates change significantly during the cell cycle, with nearly half of proteins stopping to be degraded during mitosis.
Researchers found that martens on Isle Royale were genetically linked to populations in Ontario, suggesting they arrived in the 1990s. The population's low genetic diversity indicated a severe bottleneck, with estimates suggesting two individuals repopulated the island just before their reappearance in 1993.
A recent study published in Nature Communications found that variability in neural responses is not just random noise, but rather due to fluctuations in internally generated signals like attention. This discovery has significant implications for understanding how our brains work and focus, potentially leading to diagnostic tools for ne...
Faster countdowns have been found to increase patience in video game players, even after the game is over. The study suggests that a quicker countdown creates a sense of time passing more quickly, reducing impatience and encouraging more deliberate decision-making.
Scientists are using large-scale computer simulations and statistical methods to better understand dark matter and dark energy. These mysterious components make up approximately 96% of the universe, influencing its expansion and structure. The research aims to provide insights into over 14 billion years of cosmic history.
A new study found that human-induced landslides have increased globally, causing over 5000 deaths in India's Kedarnath landslide. The research highlights the need for regulation and education to prevent such accidents.
A study by CIRAD researchers found that Japanese encephalitis circulates as intensely in Phnom Penh, Cambodia's capital, as it does in rural areas. Vaccinating children remains the best way to protect humans, while vaccinating sows and controlling mosquitoes can reduce virus circulation.
The new HEI-2015 evaluates diet quality based on 13 components reflecting aspects of the Dietary Guidelines for Americans. It demonstrates reasonable variation across population subgroups and reflects many dimensions of dietary guidance, suggesting its potential as a tool to understand the influence of total diet quality.
A new cancer drug lead, C1, has shown promise in reducing tumor size by forcing tumors back to normal metabolism. The approach combines two existing drugs, doxorubicin and dichloroacetic acid, to deliver a potent toxin and prevent tumor growth.
A new Yale study examines the role of 'natural enemies' in promoting tropical species diversity. However, findings suggest that disparities in enemy susceptibility can make communities less stable. The research contradicts a long-held hypothesis, highlighting the need for alternative explanations.
The study reviews the psychology behind rapid spending decisions and proposes five policy options to optimize retirement income solutions. These include financial literacy programs, safe automatic options, precommitment plans, disclosures and framing, and customized interventions.
A study published in PLOS Pathogens reveals that two types of human antibodies synergize to inhibit different steps of Ebola virus infection. Antibody cocktails combining complementary antiviral effects are proposed as a potential treatment strategy.
Researchers advise caution on new pebble-bed nuclear reactors due to potential for accidents and inadequate safety measures. The design lacks key safeguards, including a high-pressure containment structure and redundant cooling system, increasing the risk of radioactive material release.
A new study from Uppsala University found that one night of sleep loss can cause tissue-specific changes in gene expression and metabolism, leading to increased fat accumulation and muscle loss. This may explain why shift work and chronic sleep loss increase the risk of obesity and type 2 diabetes.
A study of 63 healthy individuals found a strong association between elevated gut bacteria and stronger brain function in areas linked to reward and emotions. This suggests that indole-producing gut bacteria may contribute to overeating behaviors.
Ajoene, a stable organosulfur compound in garlic oil extracts, has similar health-promoting effects to allicin and exhibits anticancer activity. Researchers have developed a total synthesis approach to produce ajoene with improved yields, paving the way for its further evaluation in medicinal research.
A study by Penn State researchers found that mothers who engage with their children during playtime and gently guide them to clean up can help toddlers with poor regulation skills maintain a healthy weight. As preschoolers, these children tend to have lower BMIs compared to those with good regulation skills, suggesting that parents' be...
A Texas A&M team has developed a new method to analyze metal failures, identifying 10 microscopic structures that can strengthen metals and reduce susceptibility to hydrogen embrittlement. This breakthrough could have a huge economic impact by enabling engineers to design stronger metals.
Researchers found that a specific type of fish louse, Argulus japonicus, can accumulate high concentrations of metals, potentially serving as an early warning system for water quality. The lice's unique mechanisms for protecting themselves from toxins may hold the key to detecting metal pollution.
Researchers developed a handheld ophthalmology instrument with adaptive optics technology to image individual photoreceptors in the eye, improving diagnosis of eye diseases. The device can capture images of tiny photoreceptors close to the center of the retina, providing insights into brain-related diseases and trauma.
Scientists investigate the recent yellow fever outbreak in Brazil, finding that it originated from nonhuman primates in the forest and spread to humans. The study highlights the importance of real-time disease monitoring and public health countermeasures.
Researchers compared personal and spot measurement methods for assessing radio frequency exposure in children, finding that spot measurements can be a useful alternative for classifying low, moderate, or high levels of exposure. The study involved 50 children who participated in personal measurements over three days.
An international team of researchers has determined the function of a new family of proteins associated with cancer and autism. The study found that these proteins, including MCT-1 and DENR, play a crucial role in regulating protein production by acting as translation factors for uORF-containing mRNA.
A study published in Cell found that cells in a three-dimensional environment divide chromosomes correctly, while those in a two-dimensional environment make mistakes. This discovery could help explain why chromosome errors are common in cancerous cells.
Researchers from OIST have developed a novel technique to record the activity of single neurons in awake animals, allowing for the detection of even the smallest changes in voltage. This breakthrough enables the study of how neurons function in living organisms, providing insights into brain function and behavior.
Researchers at NIST create graphene quantum dot structure using magnetic fields, confirming novel pattern of concentric rings. The discovery has practical applications in quantum computing and opens possibilities for relativistic quantum simulators.
Researchers have identified two new truffle species on roots of pecan trees in Florida orchards, which may lead to increased crop profit. The newly found species, Tuber brennemanii and Tuber floridanum, are edible but lack appealing odors, making them less desirable for consumption.
Heavy alcohol consumption during adolescence and young adulthood may increase the odds of developing high-grade prostate cancer. Men who drank at least seven drinks per week between ages 15-19 had three times the odds of being diagnosed with clinically significant prostate cancer compared to non-drinkers.
Researchers at Nagoya University have identified a signaling cascade involved in the regeneration of damaged nerves in roundworms, which shares similarities with the recognition and engulfment of apoptotic cells. This discovery may lead to pharmaceutical interventions to treat conditions like brain and spinal cord injuries.
56 active wildfires in British Columbia have burned over 1.5 million acres, with hot and dry conditions creating a high risk of rapid fire spread.
Researchers found that bot accounts shared anti-vaccination messages 75% more than average users, while Russian trolls used polarizing language to promote discord. The study suggests a significant portion of online vaccine discourse may be generated by malicious actors with hidden agendas.
Researchers at Wake Forest School of Medicine developed a probiotic cocktail from infant feces that modulated the gut microbiome and enhanced SCFA production in mice and human feces. This finding suggests these human-origin probiotics could be used to treat diseases associated with gut microbiome imbalance.
Researchers found high levels of toxic metals in drinking water, including nickel, copper, cadmium, and lead, leading to increased morbidity rates. The study also revealed a significant link between the accumulation of these metals in kidneys and livers, increasing the risk of malignant neoplasms.
Researchers found that trehalose improves insulin sensitivity in mice by activating a gene called Aloxe3, which boosts calorie burning and reduces fat accumulation. Trehalose also has beneficial effects on the liver's metabolism, similar to fasting.
Researchers have developed a way to increase operating temperature and use alternative materials to overcome thermodynamic barriers in lithium-oxygen batteries. The resulting cell achieves nearly 100% coulombic efficiency, a significant step towards commercial adoption.
Cynthia Connolly's book 'Children and Drug Safety: Balancing Risk and Protection in Twentieth Century America' received the APHA award for outstanding historical research and original contribution to science policy. The book explores the politics of pediatric drug safety and its impact on public health.