Researchers discovered that hummingbird beaks can 'snap-buckle' to catch insects in mid-air, using elastic energy stored in the bone. This phenomenon allows for faster and more powerful insect capture than could be achieved by jaw muscles alone.
Countries recovering from war are at risk of being left without effective policies to tackle noncommunicable diseases, which can lead to increased mental health problems and premature deaths. Experts argue that a strong policy response is necessary to address the growing burden of NCDs in post-conflict countries.
Researchers developed a method to prevent graphene re-stacking and created materials that can process in solvents and film matrices, exhibiting giant broadband nonlinear optical absorption response. The discovery sets a new record in energy limiting onset of 10 mJ/cm^2 for linear transmittance of 70%.
Research papers published in AGU journals explore the impact of a Saturn moon on its magnetosphere, as well as a new way to measure Earth's magnetosphere. Scientists also discover that Loch Ness in Scotland is affected by ocean tidal loading, which controls the loch's tide.
The Cary Institute of Ecosystem Studies and WAMC Northeast Public Radio have debuted Earth Wise, a two-minute daily radio show focusing on climate change, energy, sustainable living, agriculture, and wildlife. Each segment highlights how individuals can make a positive impact.
Research reveals that great apes like chimpanzees and orangutans use complex decision-making strategies to weigh risks and rewards. The study found that the apes chose the smaller piece more often when uncertain, suggesting a sophisticated understanding of probability and risk assessment.
A study of over 1,300 paramedics in Ontario found that two-thirds have experienced verbal, physical or sexual abuse while working. Verbal abuse was the most common form, followed by intimidation and physical abuse.
A severe climate event in Mongolia devastated the country's livestock and Przewalski's horse population, with losses averaging 60% for horses and minimal impact on wild asses. The study emphasizes the need for managing migratory species across large landscapes to ensure their survival.
A study of 20 elementary schools in Hawaii found that a focused character-building program improved overall education quality, as evaluated by teachers, parents and students. The program resulted in lower suspensions, absenteeism and better reading and math scores on standardized tests.
Research suggests that breast cancer survivors who practice MBSR experience improved mood, reduced stress markers, and increased mindfulness. The study highlights the potential benefits of this non-pharmaceutical approach as a complement to traditional treatments.
Researchers at TUM develop process to build high-quality polymer networks with strong covalent bonds, resulting in stable and durable molecule carpets. The method eliminates weaving mistakes by correcting bad bonds during self-organization.
The 2011 revision of the International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) was published to guide consistent classification of spinal cord injuries. The new guidelines improve data reliability for clinical care and research studies.
Researchers found that wild chimpanzees were more likely to alarm call to a snake when group members were unaware, indicating they recognize knowledge states. This study suggests that sharing new information with others is a fundamental aspect of language evolution, present in our common ancestor with chimps.
Research suggests that people's gut feelings are not entirely disregarded logic, but rather an intuitive sense of conflict. Wim De Neys' study found that brain activity indicates a 'sense of something fishy' when people make decisions, highlighting the importance of logical intuitions in decision-making.
Researchers distinguish cancer subtypes and provide a more complete understanding of Type 2 papillary renal cell carcinoma (PRCC2), an aggressive type of kidney cancer. They also identify genes involved in clear cell renal cell carcinoma (CCRCC) development and progression, highlighting PLK1 as a promising potential therapeutic target.
Researchers have identified mutations in the ATM gene as a potential risk factor for increased pancreatic cancer risk. Studies found that ATM gene mutations were present in four of 166 patients with pancreatic cancer, but absent in healthy spousal controls.
Wild chimpanzees make selective decisions about warning calls based on the information available to other group members. They voluntarily produce calls to inform unaware individuals of potential dangers, but not those who already know.
New Tel Aviv University research reveals glia cells' pivotal role in brain plasticity, adapting to new stimuli and regulating neural activity. Glia cells sort information for learning purposes, controlling the transfer of signals between neurons.
Researchers argue that short papers based on one study or small sample are prone to false positives and may not accurately represent scientific value. The trend towards 'bite-size' science poses risks to the integrity of psychological research.
NOAA scientists predict debris from the Japanese tsunami may reach US shores this winter, posing a challenge for responders to track and predict its location. The agency is coordinating with partners to collect data and prepare for various scenarios.
Researchers have identified Ric-8 as a chaperone that facilitates the transport of G proteins to the cell membrane. Without Ric-8, G proteins are destroyed and their biological processes are disrupted. Understanding the role of Ric-8 in G protein function may lead to more effective treatments for various diseases.
Researchers found a link between silent strokes and memory loss in older adults, with those having silent strokes scoring worse on memory tests. The study suggests that stroke prevention may help stave off memory problems.
A recent study by Tel Aviv University researchers found that one in four teenagers is at risk of early hearing loss due to excessive music listening on personal listening devices. The study recommends adopting European standards limiting output to 100 decibels and promoting awareness among schools and parents.
Research found that elderly individuals with high levels of vitamins B, C, D, E, and healthy oils from fish performed better on mental acuity tests and had less brain shrinkage. Conversely, those consuming 'junk food' diets showed decreased cognitive performance.
Researchers found that multidrug-resistant tuberculosis is more likely caused by speedy drug metabolism rather than inconsistent doses. The study suggests monitoring patients' drug concentrations during treatment may be as important as compliance with therapy.
A study of 3.8 million rave attendees in the Netherlands found that nearly 28,000 people experienced substance-related problems, with 16 cases being life-threatening. Most problems were associated with ecstasy or alcohol, while GHB usage required medical attention but showed no acute life-threatening effects.
A new phase 3 clinical trial shows that targeted therapy bevacizumab effectively delays the progression of advanced ovarian cancer. Patients with newly diagnosed advanced ovarian cancer can now benefit from an additional treatment option, alongside surgery and chemotherapy.
A study published in PLOS ONE found that microbial communities on the skin influence attractiveness to mosquitoes. Individuals with lower diversity and higher abundance of bacteria were more attractive to Anopheles gambiae sensu stricto mosquito, which plays a key role in malaria transmission.
Researchers at Brigham and Women's Hospital share details of novel processes involved in a successful face transplant program, including rigorous screening and consent processes. The team also discusses early functional outcomes, immunosuppression protocols, and cost-effectiveness of the procedure.
Elisabetta Ullu has been awarded the inaugural Alice and C.C. Wang award for her discovery of RNA interference (RNAi), a novel mechanism of gene silencing that regulates gene expression in parasites. This breakthrough has significant implications for the understanding of parasitic diseases, including African sleeping sickness.
A study found that people with diets high in omega-3 fatty acids and certain vitamins had lower brain shrinkage and better mental thinking test scores compared to those with low nutrient intake. The study also showed that trans fats, commonly found in processed foods, were linked to increased brain shrinkage.
A clinical trial led by Drs. Amit Oza and Timothy Perren found that treating ovarian cancer with bevacizumab (
Researchers found that 4- to 5-year-old children do not use words to categorize objects in the world around them. Instead, they rely on more salient features like movement and shape. This challenges conventional thinking on how language affects cognition.
The study emphasizes the importance of disclosing site investigators' recruitment performance to ensure transparency in multicentre clinical trials. By publishing this information, sponsors can provide insights into potential issues affecting recruitment, enabling a better understanding of treatment outcomes.
Researchers found that IL-1 limits advanced atherosclerosis features linked to severe complications in humans. Genetic inactivation of IL-1 signaling enhances plaque instability and reduces outward vessel remodeling in mice with advanced atherosclerosis.
Researchers found that young children do not use category labels in the same way adults do, relying instead on the most distinctive feature of an object. This challenges long-held theories about how children mentally organize their world and has implications for teaching and communication with young children.
Research suggests that older adults can be trained to respond faster without compromising accuracy, indicating their cognitive skills are not as impaired as previously thought. In contrast, younger children exhibit slower response times and poorer accuracy compared to adults, improving with age. The study's findings challenge the preva...
Champagne undergoes a second fermentation to trap carbon dioxide, forming bubbles that carry hundreds of chemical compounds. Pouring champagne on an angle retains more carbon dioxide, releasing more flavor compounds.
Researchers found that individuals with high numbers of Ad5-reactive T cells generated a weaker immune response to HIV vaccines. This finding may impact the efficacy of future vaccines using adenoviruses other than Ad5.
Tree frogs with matching chromosome numbers have distinct vocal performances, which female frogs preferentially respond to. This study provides new insights into how new frog species may evolve through rapid changes in behavior and reproductive isolation.
A new highly sensitive troponin assay has been shown to be superior in diagnosing heart attacks, allowing for earlier and more accurate treatment. The study found that using this test on admission and measuring changes after 3 hours can rule out or confirm a diagnosis of heart attack with high accuracy.
University of Oregon scientist Gregory J. Retallack finds evidence that transitional fossils between fish and amphibians lived in wooded floodplains, not deserts. The new theory suggests limbs and necks evolved to adapt to this habitat, allowing for feeding and navigating obstacles.
Research has found that obesity is associated with neuronal injury in the hypothalamus, a crucial brain region for regulating body weight. Additionally, turnover of nerve cells in this area is inhibited by obesity, indicating a significant impact on energy balance control.
Scientists found that rain and wind contributed significantly to reducing pollution levels in Beijing during the 2008 Summer Olympics. Emission controls implemented by Chinese officials were complemented by natural factors, highlighting the importance of regional-scale controls to achieve long-term reductions.
A large Swedish study found that having epilepsy is not directly linked to committing violent crime, contradicting common public opinion. However, individuals with a history of traumatic brain injury were more likely to commit violent crimes after diagnosis.
A study of nurses and physicians in ICUs found that perceived inappropriateness of care was common, associated with inadequate decision sharing, communication, and job autonomy. The main reported reason for perceived inappropriateness of care was a mismatch between the level of care and the expected patient outcome.
Researchers have identified a new type of magnetic bacteria, BW-1, in Badwater Basin that can produce both greigite and magnetite. The discovery may lead to novel applications in drug delivery and medical imaging due to its unique properties.
Researchers at Johns Hopkins University have developed a new calendar system that eliminates year-to-year changes, making timekeeping and financial calculations more predictable. The Hanke-Henry Permanent Calendar features a 91-day quarterly pattern, which simplifies interest calculations and reduces economic uncertainty.
A systematic review and meta-analysis found no significant association between the CYP2C19 genotype and cardiovascular events in patients taking clopidogrel. The study suggests that genetic testing may not be necessary to determine individual response to the medication.
Researchers found a strong connection between compulsive tendencies and hypersensitivity in childhood, with ritualistic behaviors developing as a defence mechanism. A longitudinal study aims to better understand the connection between childhood sensitivities and adult OCD.
Researchers have identified a potential obstacle to developing an effective HIV vaccine: individuals with large numbers of immune cells responsive to the adenovirus used in the vaccine. Additionally, studies have found that obesity is associated with neuronal injury in the brain area crucial for body weight control and may inhibit nerv...
A new study has discovered a way to prevent septic shock by blocking a specific form of cell death called necroptosis. The approach fully protects mice against the fatal inflammation, offering a potential new target for therapy. Researchers found that eliminating RIPK molecules led to full protection against sepsis.
Researchers found that altered function of Tbx3 gene interferes with cardiac conduction system development, causing lethal arrhythmias. Studies with mice show that Tbx3 levels below a critical threshold lead to arrhythmia and death.
In a study published in the Proceedings of the National Academy of Sciences, researchers found that individual monkeys who avoid conflicts prevent large groups from achieving their competitive potential. By defecting, members of larger groups can gain an advantage when defending their territory but not when invading others.
A collaborative effort analyzed the genomes of great apes, revealing DNA duplications that may contribute to genomic diseases such as autism and mental retardation. The study highlights the shared areas of DNA among different great ape species, including bonobos and chimpanzees.
The study reveals a DNA repair mechanism that can mitigate oxidative damage, which is linked to various diseases including cancer and Alzheimer's. This discovery holds promise for developing less invasive cancer therapies and early detection tests.
A recent study published in PLOS Medicine found that reduced cognitive function in adolescence is associated with a higher risk of subdural hematoma later in life. On the other hand, higher levels of education and physical fitness were linked to a decreased risk of this condition.
A new form of occupational hazard is emerging among shift workers, as unhealthy eating patterns exacerbate the risk of obesity and type 2 diabetes. The authors suggest that workplaces must lead the way in eliminating this hazard by promoting healthier habits and making it easier to eat well.
Researchers found that DNA stays too tightly wound in certain brain cells of schizophrenic subjects, pointing to new therapies. The study suggests treatment might be most effective early on for minimizing or reversing symptoms.
Researchers identified six consecutive waves of mammal species diversity in North America, linked to climate change and temperature fluctuations. The study found correlations between species diversity and global paleotemperatures, shedding light on the impact of climate change on mammal evolution over millions of years.