Chameleons' bony tubercles on their heads emit blue fluorescent light when exposed to UV, creating distinct patterns that aid in species recognition. This phenomenon was previously unknown and is believed to play a role in mate attraction.
The study found that low-income immigrants are deterred from applying for US citizenship due to the high cost of the application process, with costs rising by 800% since 1985. A new public-private program, NaturalizeNY, offers vouchers covering the fee, doubling the application rate among recipients.
Researchers developed a machine learning algorithm using MRI data to predict speech development in children with cochlear implants. The study found that neural preservation underlies improved speech in young CI recipients.
A team of scientists developed a novel platform to study lumen formation in epithelial tubes, which can lead to diseases like atherosclerosis and kidney failure. The 3D microtube setup allows cells to form tubes under different physical constraints, revealing the importance of mechanical forces in tissue development.
Researchers uncover an enzymatic pathway in certain microorganisms that produces both ammonia and methane simultaneously. This previously unknown route for natural methane production has significant implications for understanding microbial interactions and the environment.
Researchers at Carnegie Mellon University have developed a new dynamic statistical model to visualize changing patterns in networks, including gene expression during developmental periods of the brain. The model, Persistent Communities by Eigenvector Smoothing (PisCES), combines information across multiple networks over time to identif...
Rising US obesity has been linked to exceptionally slow mortality rate improvements and increased life expectancy gaps with other wealthy countries. The study found that a 0.54% reduction in annual death rate gains was associated with the rise in maximum lifetime body mass index.
German researchers observed pulses of dissolution in dissolving crystals, marked by waves spreading from etch pits and screw dislocations. These findings challenge the long-held assumption that dissolution is a continuous process.
A commentary argues that Canada should develop a regulated program to distribute pharmaceutical-grade opioids to people at highest risk of overdose. This approach aims to provide safer alternatives to illegal sources of pain relief, reducing the protracted epidemic of overdose deaths.
Conflict-induced displacement of people in eastern Ukraine has been shown to drive the spread of HIV within the country. The largest exporters of viral lineages were regions of Donetsk and Lugansk, which then spread to central and southern regions, as well as cities like Kyiv and Odessa.
Researchers developed a new gas-solid reaction method to fabricate high-quality perovskite films, achieving faster response times and improved stability in photodetectors. The non-solvent approach provides full coverage of the film and eliminates damage from organic solvents.
Researchers at Aarhus University have determined a fundamental mechanism by which staphylococci bacteria handle stress when exposed to antibiotics. The discovery reveals that bacteria produce an enzyme capable of modifying DNA building blocks into signal molecules, allowing them to survive antibiotic treatment.
Researchers at Tokyo University of Agriculture and Technology have developed a one-pot approach to synthesizing conjugated tetraenes from inexpensive reagents, eliminating waste production and simplifying the process. The new method has potential applications in electronic materials, natural products, and pharmaceutical molecules.
A recent study at the University of Turku found that X-chromosome relatedness between grandmothers and their grandchildren did not affect grandchild survival. The study tested a hypothesis about the genetic inheritance of grandmothers' help towards their grandchildren, but did not produce enough support for its claims.
A study at Queen Mary University of London reveals a new gene, MAFA, that affects insulin-producing cells, leading to rare genetic forms of diabetes and insulinomas. The research found that the same gene defect can cause both high and low blood sugar levels in the same family.
Researchers at UC Riverside used ultraviolet Raman spectroscopy to investigate the strength of electron spin interactions with phonons in antiferromagnetic nickel oxide crystals. The study sheds light on long-standing puzzles surrounding this material and has important implications for developing spintronic devices.
A team from Beihang University in China has developed a high-performance CNT catalyst for the efficient cracking of vegetable oils. The catalyst showed efficient cracking activity and was found to have improved electroconductivity, which enhanced its performance.
The NHS bowel scope screening programme saw a significant increase in uptake when patients were sent additional reminders addressing common concerns, highlighting the importance of patient information and support., Bowel cancer is the 4th most common cancer in the UK, with over half of cases diagnosed at a late stage.
Scientists discovered a sub-population of neurons in bats' brains that encode the specific location of other bats nearby. These 'social place cells' support the idea that our brains create a cognitive map not just of our location, but also one that includes social mapping.
Researchers have demonstrated that electronic modulation of the carotid sinus nerve can restore insulin sensitivity and glucose homeostasis in diabetic rats. The treatment has been shown to be reversible without significant adverse effects. This study provides a promising new approach for managing type 2 diabetes.
A new study by the University of Exeter found that regular surfers and bodyboarders are three times more likely to have antibiotic-resistant E. coli in their guts than non-surfers. The researchers discovered that surfers swallow ten times more seawater, increasing their risk of ingesting bacteria that can survive antibiotic treatment.
Researchers have developed a novel PET tracer that can measure damage from multiple sclerosis by targeting potassium channels, providing quantitative information about underlying biochemical processes. This breakthrough has the potential to improve diagnosis and monitoring for MS patients.
Researchers at TUM investigated environmental factors affecting eDNA analysis, revealing that specific conditions can hinder detection success. Organic substances and algae were found to interfere with molecular analysis.
Researchers have created a new map of medium-scale travelling ionospheric disturbances (MSTIDs) to better understand their impact on radio signal distribution. MSTIDs are huge wave perturbations that can interfere with radio signals, and this study provides valuable insights into their structure and behavior.
Researchers at Linköping University have discovered a previously unknown warning system in the immune defense that triggers an alarm, sending signals to surrounding cells. This process involves the release of mitochondrial DNA strands by white blood cells in response to infections like bacteria and viruses.
Researchers at Brookhaven National Laboratory observed an unexpected phenomenon in lithium-ion batteries, where the concentration of lithium inside individual nanoparticles reverses. This discovery could help develop batteries that charge faster and last longer.
Researchers developed a soft robot that mimics the stingray's flattened body shape and side fins, enabling the creation of bio-electromechanical systems. The robot features living heart cells, biomaterials, and flexible electrodes, allowing it to 'flap' its fins.
Researchers have made it possible to 3-D print and study a 200-million-year-old South African dinosaur skull, the Massospondylus. The digital reconstruction was created using CT scans, allowing for detailed analysis of its inner ear and brain structure.
Researchers found that increased fluctuations in the jet stream's path since the 1960s coincide with more extreme weather events, including heat waves, droughts, wildfires, and flooding. The study used tree ring data to reconstruct historical changes in the North Atlantic jet stream prior to the 20th century.
Researchers discovered snakes use unique skin movement to propel themselves forward in a straight line. This rectilinear locomotion gives them an advantage in confined spaces and could inform robotics for search-and-rescue operations and underwater inspections.
A study by McLean Hospital neuroscientists reveals that brief immune system activation within days of birth can cause persistent changes in sleep patterns and epilepsy-like brain activity, common symptoms in autism spectrum disorder. The findings suggest that early postnatal immune activation can have long-term negative impacts on brai...
Researchers have identified genes implicated in the remarkable regenerative capacity of embryos and ESCs. COX7A1 was found to be dysregulated in various cancer types, suggesting its potential as a novel cancer therapy.
Researchers at Tohoku University developed a new technique to analyze isomers in edible oil using HPLC-MS/MS, revealing the specific oxidation compounds in canola oil resulting from heat and light. The study suggests packaging canola oil in dark containers and adding antioxidants like carotenoids to reduce oxidation.
A new study found that brains of people with Huntington's disease (HD) and Parkinson's disease (PD) show similar responses to a lifetime of neurodegeneration, despite being distinct diseases. Most genes related to immune response and inflammatory pathways are common in both diseases.
Awards go to Mićo Tatalović, Julianna Photopoulos, Xiaoxue Chen, Haonan Liu, and Vijay Shankar Balakrishnan for their work in science journalism. The EurekAlert! Fellowships aim to expand coverage of science globally, addressing language barriers and economic isolations.
Researchers found that rising CO2 levels in freshwater systems can inhibit defence mechanisms of key species like daphnia, which rely on their sense of smell. This could have far-reaching consequences for entire ecosystems, highlighting the need for further studies.
A new study published in Military Medicine found that veterans who learned Transcendental Meditation experienced significant reductions in PTSD symptoms after just one month. The study involved 41 veterans and 5 active-duty soldiers, with 80% showing clinically significant decreases in symptoms.
Researchers have identified a crucial mechanism in the regulation of titin protein, a key player in skeletal muscle and heart function. The study found that disulfide bonds play a significant role in determining titin's elastic properties, and their formation can cause major changes in the protein's elasticity.
The reconstruction of Banda Aceh after the 2004 tsunami has led to socio-economic segregation, with lower-income residents facing increased exposure to coastal hazards. The study found that many tsunami survivors preferred to move inland, but were unable to afford it, leading to a divide between affluent and poorer residents.
Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg found that a fiber-rich diet can reduce arthritis symptoms by changing the intestinal bacteria and increasing short-chained fatty acids. These fatty acids have anti-inflammatory properties and can help slow bone degradation.
Researchers argue that current emissions pathways are insufficient, requiring broader scenarios with rapid decarbonization and careful consideration of negative emissions technologies. The new scenarios aim to address potential environmental and social consequences of large-scale carbon removal.
The 2018 AAAS/Subaru SB&F Prize for Excellence in Science Books recognizes outstanding science books for young readers, including 'Beauty and the Beak' and 'Animals by the Numbers'. The winners showcase engaging science writing and illustration, highlighting diverse topics such as animal statistics and waste management.
A new study suggests an association between elevated amyloid beta levels and worsening anxiety symptoms in cognitively normal older adults. Higher brain amyloid beta burden is linked to increasing anxiety symptoms over time.
Research at the University of Exeter found that obese individuals' fat tissue becomes distressed, scarred, and inflamed, leading to reduced energy storage and increased inflammation. This scarring can make weight loss more difficult and increase the risk of obesity-related health complications.
Tropical Cyclone Joyce made landfall along the Pilbara Coast in Western Australia, with maximum sustained winds near 45 knots. The cyclone is expected to weaken as it tracks southwest through the region, but will continue to bring heavy rainfall and gusty winds.
Professor James Hough receives the Gold Medal for his seminal contribution to gravitational waves, while Professor Robert White is awarded for a lifetime of distinguished achievement in solid Earth geophysics. The awards recognize significant achievements in astronomy and geophysics across various fields.
A new study published in Prehospital Emergency Care suggests that risk management approach can combat EMS fatigue. The guidelines recommend limiting shifts to less than 24 hours, providing access to caffeine, allowing naps while on duty, and educating personnel on fatigue risk management.
Statistical analysis suggests that supermassive black hole spin plays a role in generating high-speed jets and powerful radio waves. Nearly 8000 quasars were analyzed, with O III oxygen emissions found to be stronger in radio loud quasars, implying spin's importance.
Researchers propose a new method to solve the complex many-particle Schrödinger equation, enabling accurate electronic energies and advancing fields like drug discovery and nuclear physics. The approach merges deterministic and stochastic methods to identify key wave function components.
A new clinical trial has found that a stem cell transplant treatment can significantly improve the survival and quality of life for patients with severe scleroderma. The experimental procedure uses chemotherapy and radiation to destroy the body's malfunctioning immune system, then replaces it via a stem-cell transplant.
Researchers at Beth Israel Deaconess Medical Center discovered that specific genetic events drive distinct immune cell compositions in primary prostate tumors, dictating tumor progression and response to therapy. Profiling patients' tumors based on this new information could lead to more successful clinical trials and tailored therapies.
A systematic review of 44 studies found that frailty, depressive symptoms, and smoking are associated with postoperative complications in older patients. Interventions targeting these risk factors before surgery can improve outcomes for this population.
A nanostructured gate dielectric has improved the stability of organic thin-film transistors, allowing them to operate in ambient conditions and enabling potential applications in IoT devices and large flexible displays.
A Penn-led team discovered that midshipman fish release small amounts of calcium to sustain their muscle contractions for an hour, allowing them to produce a sustained hum. This finding sheds light on the physiology behind this extraordinary ability and may apply to other animals moving at high speeds.
Scientists have developed a new technique to map electrical circuits in the brain with unprecedented accuracy, revealing the detailed architecture of microcircuits. This breakthrough enables researchers to understand how the brain processes complex information and may lead to insights into behavior and sensory processing.
A global map of travel time to cities has been published by the European Commission Joint Research Centre, showing that over 80% of people live within one hour of a city. However, accessibility is not equally distributed across development spectrum, with lower-income countries in sub-Saharan Africa having limited access.
A study suggests that Trump's 'Muslim ban' resulted in a rare shift in public opinion, with over 30% of respondents moving against the policy after its announcement. The researchers attribute this shift to the influx of information portraying the ban as incompatible with American values and egalitarian principles.
Research estimates that asthma costs the US economy $81.9 billion per year, with 15.4 million people affected annually. The study also found significant disparities in healthcare costs between insured and uninsured individuals.
Researchers have identified new drug candidates that target multiple protein kinase families to reduce inflammation in COPD. The Narrow Spectrum Kinase Inhibitors (NSKIs) show promising anti-inflammatory effects and may constitute a breakthrough in treating advanced lung disease.
Hyperreactive brain networks may contribute to the hypersensitivity of fibromyalgia. Researchers found that patients with fibromyalgia have brain networks primed for rapid responses to minor changes, leading to explosive synchronization.