Researchers studied the effects of El Niño and Pacific decadal oscillation (PDO) on Nazca booby survival. Young birds face low survival rates during El Niño events due to depleted fish stocks, while adults experience higher mortality in warm PDO phases due to increased reproduction difficulties.
The Isle Royale wolf population has remained steady at two individuals for the third consecutive year, with the moose population continuing to grow above historic averages. The study's citizen science volunteers have contributed significantly to the research efforts, gathering data on moose skull sizes and wolf activity.
Researchers have developed a forming technology that allows for the structuring of quartz glass like a polymer, opening up new opportunities for the glass processing industry and various fields such as optics, data technology, and medical engineering. The process involves mixing small glass particles with a liquid polymer and then hard...
Infant formulas with fructose or sucrose pose a risk to babies with hereditary fructose intolerance, who may experience acute liver failure if fed these sweeteners. Parents can avoid this risk by switching to formula without fructose and labeling products with explicit warnings.
The Estée Lauder Companies presents research on autophagy's role in skin aging, as well as the impact of ozone pollution and blue light on skin cells. This study reveals that exposure to blue light at night can disrupt circadian rhythm and accelerate skin aging.
A study found that intelligence is linked to fewer dendrites in the cerebral cortex, allowing for efficient neuronal connections. The research used a neuroimaging technique and IQ tests to confirm the results, shedding light on conflicting findings in previous studies.
MIT engineers create a new virtual-reality training system for drones, enabling vehicles to navigate through an empty physical space while 'seeing' a rich, virtual environment. The system, dubbed Flight Goggles, reduces the number of crashes that drones experience in actual training sessions.
Researchers have discovered that mosquito saliva can trigger a prolonged immune response in humans, detected up to 7 days after a bite. The study found that the proteins in mosquito saliva interact with human immune cells, leading to changes in cytokine levels and T helper cell responses.
By analyzing ancient DNA from Southeast Asian individuals, scientists identified two major waves of genetic mixture indicative of specific migration events. These migrations, occurring during the Neolithic period and Bronze Age, reflect the introduction of farming and cultural shifts in the region.
The study reveals unexpected molecular behavior in ultra-nanoscale channels, where neutral molecules behave as though carrying a charge. The team developed an algorithm for selecting optimal nanochannel size for each drug, but found that current theories were unable to explain the observed effects.
A small study of adults with pancreatic cancer reveals that patients with BRCA1 or BRCA2 gene mutations have poorer overall survival rates compared to those without the mutations. However, those with BRCA1 or BRCA2 had better survival rates with platinum-based chemotherapy.
A new diagnostic test developed by researchers at UC San Diego shows promise for detecting pancreatic cancer earlier. The test uses electronic chip-based system to extract exosomes directly from blood, providing results in less than an hour. The findings have the potential to detect cancer early on without invasive surgical procedures.
Researchers at Queen Mary University of London and University College London have identified 30 new gene locations that determine how the heart responds to exercise and recovers from it. This discovery could lead to the development of targeted therapies for abnormal heart rhythms and improved heart health.
A recent study by Kaiser Permanente found that hospitalized patients with acute kidney injury have a 44% higher relative risk of heart failure within one year of discharge compared to those without acute kidney injury. This increased risk highlights the importance of monitoring for signs of heart failure in these patients.
Climate change is widening the emerald ash borer's reach in Canada, as warmer winters enable the beetle to migrate further north. As a result, more cities are at risk of damage from this invasive species.
A study by Ohio State University found that some water-filter pitchers are more effective at removing microcystins, which can be toxic to humans and animals. The researchers tested three popular brands and found that the slowest-filtering pitcher removed all microcystins from the water.
A breath analysis test showed good diagnostic accuracy for esophagogastric cancer in a study of 335 patients, including those already diagnosed with the disease. The test identified abnormally regulated volatile organic compounds in the breath associated with esophagogastric cancer.
Researchers at Michigan State University found that triclosan, a common antibacterial substance in toothpaste, can kill Pseudomonas aeruginosa bacteria by up to 99.9 percent when combined with tobramycin. This combination therapy offers a new potential treatment option for cystic fibrosis and other biofilm-related infections.
A new study reveals that undermatched students, particularly Hispanic students, are less likely to graduate on time compared to their peers. The findings suggest that policymakers and educators need to prioritize college completion for even highly qualified students who undermatch.
A study by Washington University School of Medicine found that people with blood type A are more likely to experience severe diarrhea caused by E. coli. Researchers identified a protein responsible for this blood-group difference, which could lead to the development of a vaccine targeting this protein.
A study published in The Spine Journal found that one-third of people aged 40-59 have image-based evidence of moderate to severe degenerative disc disease. Additionally, the prevalence of spinal osteoarthritis increased significantly with age, particularly among women.
Researchers at the University of Seville have developed an automatic classifier for frog calls using artificial intelligence. The system can identify temperature fluctuations and detect changes in reproductive behavior, providing a powerful indicator of global warming.
Scientists found that altering fluid injection rates near faults can reduce seismic events and magnitudes. Active pressure management may help control induced earthquakes in real-time, but more data is needed for specific site recommendations.
A new study of marine fossils from Antarctica, Australia, New Zealand and South America reveals that sea lilies remained in shallow waters until around 33 million years ago. The results provide conclusive evidence that this change happened at different times in different parts of the globe.
Researchers discovered that C4 plants first expanded across Australia around 3.5 million years ago, driven by a strong summer monsoon. This finding provides new insights into the impact of climate change on these critically important plants.
Daniel J. Rader, chair of the department of Genetics at Penn Medicine, has made significant contributions to understanding lipoprotein metabolism and atherosclerosis. His research efforts have led to breakthroughs in developing new medications for serious heart-related conditions.
Sandia National Laboratories scientists have engineered E. coli to efficiently convert tough plant matter called lignin into valuable platform chemicals. This breakthrough solves three problems: cost, toxicity and speed, paving the way for economically viable biofuel production from renewable sources.
Researchers found that social isolation in mice upregulates neuropeptide Tac2/NkB, leading to increased aggression and persistent responses to threatening stimuli. The peptide is overproduced in multiple brain regions, causing diverse behavioral changes that persist even after social isolation is reversed.
Researchers discovered that chronic social isolation leads to an increase in a specific neuropeptide called neurokinin B, which promotes aggression and fear. Blocking this peptide eliminates negative effects of isolation, suggesting potential applications for treating mental health disorders in humans.
Researchers at the John Innes Centre have discovered a connection between microcin B17, a bacterial toxin, and inflammatory bowel disease (IBD). Breakdown products from the toxin trigger gut inflammation characteristic of IBD. The study identifies a new source of environmental and microbial triggers of gastrointestinal inflammation.
A new study by RAND Corporation finds that adolescents who view more medical marijuana ads are more likely to use marijuana and have positive expectations about the substance. The study suggests that regulations on marijuana advertising may be necessary to prevent harm, particularly for young people.
Researchers discovered that zinc sulfide crystals can bend up to 45% when in complete darkness due to the absence of electron trapping under light conditions. This unique property makes it suitable for flexible electronic applications where traditional inorganic semiconductors are brittle.
A new study found that blue whales frequenting the South Taranaki Bight in New Zealand are part of a locally distinct population. Researchers used hydrophones and biopsies to determine genetic differences, estimating a minimum abundance of 718 individuals.
A WSU research study seeks to understand how sleep deprivation affects cognitive flexibility and develops new treatments for improved decision-making. The study uses a combination of human and animal experiments to identify brain processes involved in cognitive flexibility deficits.
Columbia University researchers develop a method to spin artificial fibers that mimic the nanostructures and optical properties of comet moth cocoon fibers, achieving exceptional cooling abilities and reflectivity. The new fibers can block sunlight and guide light signals with high efficiency.
A national public opinion survey finds widespread agreement on key gun policies, with minimal gaps in support between gun owners and non-gun owners. The majority of respondents (85.3% of gun owners and 88.7% of non-gun owners) support universal background checks.
Researchers have designed a robotic glider that can skim along the water's surface, riding the wind like an albatross while also surfing the waves like a sailboat. The system can cover a given distance using one-third as much wind as an albatross and traveling 10 times faster than a typical sailboat.
A study published in AIDS Care found that patients on a single-tablet daily regimen had better treatment retention and viral suppression than those taking multiple pills. The single-pill regimen resulted in higher rates of adherence, retention, and HIV suppression.
The American Heart Association advises consuming two servings of non-fried fish per week to reduce heart failure and coronary heart disease risk. Eating oily fish rich in omega-3 fatty acids substantially outweighs any risks associated with mercury contamination.
Researchers have developed new eco-friendly preservatives using guava leaves, while others created fertilizers from fish bones. The top challenge projects showcased sustainable chemistry practices for a greener future.
A group of 21 physicians published a comprehensive proposal for universal access to safe, innovative, and affordable medications. The plan outlines seven critical areas for reform, including establishing national formularies, negotiating with manufacturers, and increasing transparency in clinical trials.
A study published in the Journal of Experimental Medicine found that a signaling protein called interleukin-1 receptor accessory protein (IL1RAP) plays a critical role in driving the development and progression of acute myeloid leukemia. IL1RAP amplifies multiple key pathways, making it a promising target for treatment.
Researchers used emergency contact information in electronic health records to build family trees, which can be used to study heritability of hundreds of medical conditions. The study found that certain traits, such as high levels of HDL and LDL cholesterol, have a significant genetic component.
Researchers created a transparent hybrid film combining natural clay minerals and dyes that changes color in response to environmental humidity. The novel mechanism involves the confinement of dye molecules within nanometer-scale gaps, allowing for reversible color change without breaking chemical bonds.
A study co-authored by UCLA scientists reveals evidence of water vapor plumes on Europa's surface, providing further support for the possibility of a vast ocean beneath its icy outer shell. The research suggests that there are energy sources in the moon's interior that would be required if life were to develop on Europa.
Researchers identified repeating seismic events at volcanoes in Costa Rica, offering insights into magma movement and gas activity. Drumbeat seismicity at Turrialba may have preceded a small eruption, while earthquakes halted repeating events at Poas by altering the stress field around the volcano.
A recent study published in Nature Communications has found that ebselen can correct many of the toxic characteristics of a protein causing some cases of hereditary motor neurone disease (MND). The drug-molecule can restore important steps in the SOD1 assembly process, potentially preventing neuronal cell death.
A new automated system has been developed to identify patients at risk for ventilator-associated pneumonia, outperforming traditional manual surveillance methods. The system uses an algorithm to analyze electronic health records and was found to be 100% accurate in detecting ventilator-associated events.
Macrophages use a membrane protein called SLC4A7 to acidify their phagosomes, allowing them to kill bacteria. Impaired SLC4A7 leads to decreased capacity to kill bacteria and increased protons in the cytoplasm.
A new study reveals that the brain relies on an exquisite balance between two populations of neurons in the striatum to control movement. The findings could help researchers develop new treatments for Parkinson's and Huntington's diseases by understanding how movement gets translated into desired action.
Tsetse flies transmit Nagana disease to livestock by injecting trypanosomes into the skin, which then invade the bloodstream and cause severe illness. Understanding how these microbes develop inside the fly may lead to new methods of controlling the spread of the disease.
The study analyzed an insurance database of over 1 million patients with knee osteoarthritis treated between 2007 and 2015. Updated guidelines from the American Academy of Orthopaedic Surgeons led to a decline in hyaluronic acid injections, while steroid injection rates leveled off after a recommendation against its use was made.
A new study finds that one-third of protected land globally is under intense human pressure, threatening conservation efforts. However, protected areas designated after 1993 have lower levels of human pressure within their borders.
New research reveals that young people in the US are increasingly choosing marijuana as their first drug, with a significant increase in use over the past decade. Young men from specific racial and ethnic groups are particularly affected.
A University of Toronto engineering team has designed a most efficient and stable process to convert climate-warming carbon dioxide into ethylene, a key chemical building block for plastics. The breakthrough catalyst uses a thin copper-based material and improves energy efficiency and selectivity.
A University of Washington-led study reveals that children's language skills are the strongest predictor of their future academic success, including better performance in math, reading and social areas. The study found that language skills, such as vocabulary and grammar, can provide a foundation for social interaction, executive funct...
Professor Atiquzzaman, an international expert in satellite communications, receives the prestigious award for his research achievements in next-generation computer networks and wireless mobile networks.
A new system has been designed to improve the quality of frozen horse sperm by using impermeable cryoprotectants that protect the external part of the cell. This method has been shown to be more effective than traditional permeable cryoprotectants, which can damage the sperm membrane and affect fertility.
Researchers uncover the role of SWI2/SNF2 ATPase in microRNA production, revealing a unique gene-editing target to control microRNA levels. The protein has two separate functions: one for its native chromatin and another for the microRNA-producing factory.
Scientists discovered a new hot Jupiter exoplanet, KPS-1b, using data from an amateur astronomer. The exoplanet orbits a star similar to the Sun and has a mass and size close to that of Jupiter. Its proximity to its parent star results in extremely high temperatures in its atmosphere.