Researchers have discovered Landau levels on atomically flat surfaces without asymmetries, supporting the domain model for non-magnetic field generation. The study reveals unique properties of graphite-based carbon materials, such as graphene, for electronic devices and catalysis.
A Scripps-led team has discovered four new deep-sea worm species, expanding the diversity of known species from one to five. The discovery has significant implications for understanding early animal evolution and the development of organ systems such as guts, brains, and kidneys.
Researchers found that the Greenland ice sheet is releasing a significant amount of phosphorus into the Arctic Ocean, with annual input equal to some of the world's largest rivers. The nutrient could stimulate growth of plankton at the base of the ocean food web, impacting birds, fish, and marine mammals higher up the chain.
Researchers developed a low-power chip that can process 3-D camera data and guide the visually impaired through wearable devices. The chip, about one-thousandth as powerful as conventional processors, enables a prototype navigation system that conveys distance information to users.
UC Davis researchers have created virus-like particles based on Hepatitis E proteins to target breast cancer. These particles can carry vaccines or drugs, potentially delivered through food or drink.
Researchers developed a portable DNA sequencing system to monitor outbreaks, generating sequencing information in under an hour and providing crucial clues to epidemiologists. This technology has vast applications, including cancer research, and can impact response efforts during epidemics.
Researchers studied exposure to antidepressants in mice, finding that SSRIs like citalopram rapidly transfer to fetuses and brains. The study's findings suggest potential risks for children of mothers taking these medications during pregnancy.
A study published by SAGE in Human Relations found that diversity in the boardroom is key to advancing LGBT-inclusive policies. Firms with a higher percentage of women on the board are more likely to adopt a broad range of LGBT-friendly policies and practices.
A mathematical model accurately predicted the results of a herpes drug study, pinpointing the most effective dose for treatment. The model considers the complex immune response against the virus, improving upon current methods that neglect this aspect.
The financial industry is facing a major economic threat from elder financial exploitation and cognitive decline, which can result in significant losses for individuals and society. New research and initiatives are being developed to detect, prevent, and intervene in these cases, including predictive models and algorithms.
Researchers at Ben-Gurion University found that winning a competition increases the likelihood of subsequent dishonest behavior. The study suggests that people who measure success through social comparison are more prone to cheating.
Scientists propose a new set of cosmic chemical reactions that could have contributed to the formation of life on Earth. Methanol is shown to be more reactive than methane and can give rise to varied hydrocarbons, their derivatives and products.
Researchers at IRB Barcelona have synthesized peptides that target the Epidermal Growth Factor (EGF) protein, which accelerates tumour cell growth. These peptides show promise as a potential treatment for cancer, and further studies are underway to develop stronger compounds.
A new UT Dallas study suggests that most NFL arrests are not for violent crimes, but rather minor offenses. The majority of players involved in violent incidents have only one arrest during the studied period, highlighting a small fraction of repeat offenders.
Two studies find gamma ray signals in the galactic center are unlikely caused by dark matter collisions. Instead, they could be attributed to fast-rotating stars called millisecond pulsars. Researchers used statistical analysis methods to analyze images of gamma rays captured by NASA's Fermi Gamma-ray Space Telescope.
A study published in the Proceedings of the Royal Society: B identifies a Jurassic-age insect whose behavior and appearance closely mimic those of butterflies. The discovery was made possible by the examination of well-preserved fossils from ancient lake deposits in China and Kazakhstan. Researchers found that these 'Jurassic butterfli...
Researchers at MIT have developed a new chip called Eyeriss that can enable mobile devices to run powerful artificial-intelligence algorithms locally. This could improve performance, reduce latency and allow for more efficient processing of data without relying on Wi-Fi connections.
Researchers discovered that male fruit flies adjust the amplitude of their courtship song based on distance from females, conserving energy and competing more effectively. This complex behavior sheds light on social interactions across the animal kingdom.
A study of rhinoceros bones reveals a significant increase in osteopathology as new species evolved, from 28% to 65-80%. The black rhino showed 50% fewer osteopathologies than derived extinct taxa, suggesting that long-term bone health may have been compromised by adaptations for increased mass and activity.
Fruit flies develop complex nervous systems through a set of genetic control switches that interact early in development to generate dozens of types of olfactory neurons. The same gene network also plays a role in programming taste neurons, suggesting the same basic mechanism could be at work in other animals.
A recent study found that nearly 5,000 trauma patients sustain major haemorrhage each year in England and Wales, with one-third dying due to delays in blood transfusion practices. The study highlights the need for more rapid and consistent delivery of blood components to trauma patients, as this can halve mortality rates.
Researchers have identified 10 additional superchrons in the Proterozoic Eon, revealing a similar rate of geodynamo-driven reversals for most of the past two billion years. This discovery challenges existing models of core evolution and the geodynamo process.
Researchers found that closely related ant species use distinct chemical signals to differentiate their queens from workers. The new findings suggest evolutionary links between solitary and social insect communication and raise questions about the practical uses of these chemicals.
A new study published in PLOS Medicine found that Parkinson's patients experience a higher risk of injurious falls and hip fractures up to 30 years before diagnosis. This suggests early signs of balance issues may be an indicator of the disease.
The West Antarctic ice sheet may experience catastrophic collapse due to ocean warming, leading to a 3-meter increase in global sea levels. Researchers have identified that parts of the ice sheet have existed continuously for at least 1.4 million years.
A record-breaking number of new drugs were approved last year, including biologics for rare diseases and cancer treatments. However, the high costs of these therapies pose a significant challenge for patients and the pharmaceutical industry.
A recent study published in Neurology has revealed that protein clumps associated with Alzheimer's disease are found in the brains of people who have had a head injury. These clumps, called amyloid plaques, were found to be present in patients over a decade after the injury.
A new study provides a reliable method to generate neural crest cells in just five days from human embryonic stem cells or induced pluripotent cells. The research highlights the critical role of WNT signals, FGF and BMP pathways, and sheds light on the initiation of neural crest cell formation.
Researchers at Rockefeller University have captured atomic images of the herpes simplex 1 virus revealing how it inserts itself into another protein to evade detection by immune cells. The study provides a mechanistic explanation for the virus's ability to escape immune system recognition.
Most US marine fish and invertebrate species are vulnerable to climate change, with some more resilient than others. The study ranks species based on their vulnerability, predicting widespread distribution shifts and potential impacts on abundance and productivity.
The report reveals that high-income western countries and regions are driving the increase in opioid use, while poorer nations face significant barriers to access including affordability, lack of awareness, and onerous regulations
Researchers found a 7-8% drop in happiness among British workers compared to leisure activities outside of work. The Mappiness app, which quizzes users on their wellbeing, debunks the myth that Brits love queuing and reveals lovemaking as the most pleasurable experience.
A new study found that flu vaccination is associated with a lower risk of developing atrial fibrillation, a heart condition linked to increased stroke risk. The study suggested that flu infection may trigger an inflammatory response that increases the risk of AF.
Researchers identified a set of proteins that play a key role in preventing errors during healthy cell formation. The study sheds light on mechanisms involved in egg cell formation and may aid understanding of infertility, stillbirths, and birth defects.
A new study published in Psychological Science found that exposure to exemplary peer work can undermine student motivation and lead to quitting. Researchers discovered that students who assessed exemplary peers' essays were substantially less likely to earn course credit than those who assessed average peers' essays.
New research suggests that ravens share human-like ability to think abstractly about other minds, attributed to mental states including vision. Ravens guarded food caches in response to auditory cues from unseen competitors, demonstrating a level of Theory of Mind previously unknown in non-human animals.
Studies of stroke victims with spelling impairments reveal distinct brain regions responsible for long-term and working memory, offering new insights into the mechanics of language and memory. Damage to these regions can lead to different symptoms, including difficulty guessing or assembling words.
A new study by University of Michigan anthropologist Andrew Marshall highlights major gaps in research effort, with a disproportionate focus on charismatic great apes. This bias leads to crucial knowledge gaps in tropical protected areas and unrealistic assessments of threatened taxa.
A new study found that New Zealand's little penguin species is a recently introduced Australian invader, replacing the native species that was hunted by early human settlers and introduced predators. The Australian penguins arrived in Otago between 1500 and 1900 AD.
Researchers analyzed over 2,200 breakfast cereals and prepared meals with front-of-pack (FOP) claims, finding no correlation between the claims and nutritional quality. The FDA defines four types of FOP claims, but none can distinguish 'healthy' foods.
Engineers at Washington University in St. Louis have developed nanoparticles of calcium carbonate that can modulate pH in solid tumors, keeping cancer from growing. The compound changes the pH of the tumor environment, making it less acidic and preventing metastasis.
Researchers identified hypervirulent strains of Listeria monocytogenes associated with human infections, which are more invasive and infect central nervous system and fetus more often than those linked to food. The study used large-scale analysis of epidemiological, clinical, and microbiological data.
Research found patients with PD were more likely to have had a hip fracture or injurious fall in the years preceding their diagnosis. Individuals who suffered injurious falls were also at higher risk of being diagnosed with PD in following years.
A powerful three-way mechanism driving childhood brain cancer growth has been discovered by scientists. The MYB-QKI gene fusion is found in rare pediatric glioma subtype angiocentric glioma and drives tumor formation through abnormal expression, disruption of tumor suppression, and activation via a positive feedback loop.
A new landmark national study by Northwestern Medicine found that allowing surgical residents to work longer hours without compromising patient safety improved patient care and resident training. The FIRST trial investigated 4,330 residents and 138,691 patients, with similar rates of complications in both groups.
Researchers used computer models and field data to accurately depict current flow conditions in Greenland's topographically complex ice sheet. The study aims to improve knowledge of subglacial topography and predict potential effects on sea levels from a melting ice sheet.
Researchers discovered that San Bushmen used beetle larvae and plant materials to create arrow poisons, showcasing their intimate knowledge of their environment. This ancient hunting practice provides valuable insights into human evolution and the importance of environmental awareness.
Researchers at University of Nottingham have developed a novel snow cleaning method for CMM styli, effective in removing tiny debris particles and organic residue, minimizing measurement errors.
Researchers from Harvard Medical School have gained new understanding of how endomucin, a key molecule with anti-adhesive properties, prevents inflammatory cells from adhering to blood vessels. By promoting the expression of endomucin, they believe it may be possible to develop treatments for inflammation.
A Spanish study analyzed 2,000 volunteers and found that men sharing rare surnames have similar Y chromosomes, indicating they descended from the same original bearers. The correlation between surname frequency and Y chromosome variation only depends on surname frequency.
A recent study by Michigan State University suggests women are more likely to get irked at irritating behavior exhibited by acquaintances and partners. Women's heightened social awareness may contribute to their increased sensitivity to annoyance.
A recent paper published in Prostaglandins, Leukotrienes and Essential Fatty Acids identifies experimental design issues in neutral studies questioning the benefits of omega-3s for heart health. The study suggests that these issues may be responsible for the lack of significant effects on cardiovascular disease outcomes.
A recent study found that a mother's diet during pregnancy and lactation significantly affects the composition of her breast milk microbiome. The researchers speculate that this may contribute to the establishment of the infant's gut microbiome, potentially influencing their disease susceptibility. The study provides new insights into ...
Scientists have discovered four new species of deep-water algae from Hawaii, which are similar in appearance to limu palahalaha and hold great cultural significance for Native Hawaiians. The newly discovered species were collected between 200-400 feet deep and are believed to redefine our understanding of algal distributions in Hawaii.
Research suggests that adding a simple endorsement from a patient's GP practice to the invitation letter could increase the number of people taking the bowel cancer screening test by up to 40,000 annually. This would lead to an additional 61 cases of bowel cancer and 165 high or medium-risk polyps being detected each year.
A recent study published in Nature Communications has identified genetic variants linked to a preference for mornings or nights, revealing the biological basis of morningness. The research found that individuals with a 'morning' genotype tend to have lower BMI and are less likely to suffer from depression.
Researchers will compare surgery and active surveillance in women with low-grade DCIS, evaluating quality of life and psychosocial outcomes. The four-year study aims to answer whether invasive surgery is necessary for non-fatal disease.
Harvard researchers have identified a disrupted signaling pathway that, when corrected, can ameliorate symptoms of Rett syndrome in mice. The findings may lead to the discovery of compounds or drugs that can benefit children affected by the disease.
A study published by the Society for Healthcare Epidemiology of America found that long-term use of antiseptic soap in bathing critically ill patients did not cause high levels of resistance in bacteria on their skin. The prevalence of MRSA-resistant strains decreased after starting chlorhexidine (CHG) bathing.
Researchers discovered a critical period during embryonic brain development that establishes normal social behavior and linked it with abnormalities in specific adult brain structures. Treating mice during fetal development reversed the deficits that lead to social and repetitive behavior disorders.