A new study published in Psyche reveals that different butterfly species exhibit unique foraging behaviors, and the findings may be used to develop effective synthetic lures for understanding pollinators. Researchers used multi-colored landing pads and baits to determine that some butterflies rely on both sight and smell to locate food.
A recent study published in the Journal of American College of Surgeons found that removing a child's ruptured appendix within 24 hours significantly lowers hospital costs and charges. The study showed an estimated $10,000 savings in hospital charges when pediatric general surgeons removed the ruptured appendix early.
Astronomers have discovered a group of over 675 hypervelocity stars on the outskirts of the Milky Way, which are believed to have been ejected from the galactic core. These stars, found in intergalactic space between the Milky Way and Andromeda galaxy, exhibit high metallicity indicating an inner galactic origin.
Researchers found that Chd1 protein regulates histone occupancy, enabling gene expression. In yeast cells, Chd1's absence impairs nucleosome reassembly and transcription.
A study published in Brain Pathology has found that halting the Kallikrein 6 enzyme can slow multiple sclerosis progression in mice. The researchers discovered an antibody that neutralizes the enzyme, which was shown to reduce inflammatory white blood cells and slow demyelination.
NASA's Goddard Space Flight Center is assembling the Fast Plasma Instrument (FPI), a crucial element of the MMS instrument suite, to study magnetic reconnection phenomena. The FPI will collect data at 30 times per second and is being tested with international partners.
A longitudinal study found that parenthood does not significantly improve parents' diets compared to non-parents, with both groups showing similar decreases in saturated fat intake and increases in fruit and vegetable consumption over time. However, parents lag behind their childless counterparts in making healthier dietary changes.
The RSNA Image Share project uses cloud computing to store and distribute medical images, making them accessible to physicians and patients. Patients can create an account to upload their images and access them securely.
Researchers found a specific enzyme, 5-lipoxygenase, linked to microgravity-induced cell death in astronauts, which may lead to therapeutics for aging-related immune problems. The discovery could also benefit the elderly on Earth by bolstering their immune systems.
Participatory agroforestry has restored land and secured the food supply in DPR Korea, increasing tree cover and productivity. The user groups' involvement and rights-to-use agreements contributed to the project's success.
The ONR-sponsored Flexrotor vertical takeoff and landing UAV is entering the next development phase, advancing its capability with an upgraded propulsion system. The aircraft will transition from vertical to cruising flight and land in crosswinds and high winds.
Researchers found relatively few genetic changes in induced pluripotent stem (iPS) cells derived from human bone marrow cells using an improved method. The study suggests that iPS cells do not pose a heightened cancer risk, but sequencing more cell lines is needed for a better understanding of mutation rates.
Historians have discovered that a Florentine merchant house financed the earliest English voyages to North America, leading by John Cabot in 1496. The funding, £16 13s. 4d., was provided by the Bardi banking house in London.
A recent study has identified 24 new species of skinks, a type of lizard, on Caribbean islands. The newly discovered species are threatened with extinction due to the introduction of invasive mongooses that have been responsible for their decline.
Historical research suggests that affluence rather than poverty drives alcohol consumption levels, particularly among the middle classes. This challenges traditional approaches to reducing consumption through taxation.
A recent study by Purdue University researchers found that modern hybrid corn varieties are more efficient in using nitrogen, producing more grain per pound of accumulated nitrogen. Grain yields have increased by an average of 28 bushels per acre over the past 21 years, despite a slight increase in total nitrogen uptake.
Researchers at RIT are developing experiential learning modules to address barriers faced by deaf and hard-of-hearing students in STEM fields. The three-year project aims to enhance problem-solving skills, teamwork, and process improvement through immersive hands-on activities.
Researchers discovered that random patches of disordered electric charges can induce a twisting force strong enough to affect biological objects at nanometers or micrometers away. This phenomenon could help understand patterns in biology, such as lock and key interactions.
A new study reveals that some wandering albatrosses are breeding 2.2 days earlier than before, with older or recently changed partners being key drivers of this trend. The researchers found no clear explanation for the change, which may be linked to environmental factors such as weather or ocean conditions.
A new study finds that prenatal exposure to the insecticide chlorpyrifos may lead to long-term changes in brain structure, potentially resulting in cognitive deficits. The study used MRI to evaluate the brains of 40 New York City children and found associations between higher exposure levels and brain anomalies.
Researchers at McMaster University have developed rapid testing method using paper strip to detect E. coli in recreational water within minutes, improving public safety and closing the gap between outbreaks and detection. The test strips can detect potentially harmful concentrations of E. coli with much greater accuracy than existing p...
Researchers created fully biodegradable silk scaffolds with high-compressive strength, mimicking native bone features. The composite materials enhanced human mesenchymal stem cell differentiation and improved bone remodeling.
Researchers developed a novel solution to produce entangled photon pairs using an integrated circuit, making quantum technologies more accessible. The breakthrough could lead to faster data sorting and solve complex computational problems, potentially leading to new gadgets.
Researchers at Durham University have identified a key gene involved in sperm-to-egg binding, enabling fertilization in mammals. The discovery highlights the importance of cumulus cells surrounding eggs and suggests potential avenues for improving IVF treatment effectiveness and developing new contraceptives.
Researchers in The Journal of Geology found that plain ocean waves, aided by strong storms, can move giant boulders inland. By comparing old maps to modern photos, the team showed that sections of the ridges have moved significantly since 1839.
Concordia engineers develop a decision-making approach that considers factors like traffic, drainage system efficiency and seismic risk to prioritize bridge maintenance. The new method has the potential to reduce costs by avoiding costly repairs later on and promoting sustainability.
India uses branding campaigns to showcase its modernity and attract foreign investment, but the actual state of the country raises concerns about corruption and internal conflicts. The Indian government's efforts to suppress these issues may become increasingly difficult.
Researchers at St. Jude Children's Research Hospital found no significant difference in survival rates between African-American and white children treated for virtually all cancers during a 15-year period. The study suggests equal access to comprehensive treatment translates into equally good outcomes, closing the racial survival gap.
Astronomers will witness a rare transit of Venus, appearing as a small black dot on the Sun's surface, which won't happen again until 2117. The event will help scientists study Venus's atmosphere and potentially aid in finding extrasolar planets.
Cold Spring Harbor Laboratory Press announces new licensing arrangements with Genome Research authors. Authors can now retain copyright and license their work for 6 months, after which it will be made freely available under a Creative Commons License.
A new study by American Roentgen Ray Society shows radiologists ranking themselves as less competent in patient imaging costs and patient safety compared to non-radiology physicians. The researchers aim to use this data for self-reflection to improve their knowledge and be ambassadors of change in healthcare reform.
Researchers found that contemplating death can lead to decreased militaristic attitudes, improved health choices, and increased kindness. This is due to people's tendency to seek meaning and belonging in the face of mortality.
Researchers found that working to fatigue with lighter loads is equally effective for inducing muscle growth and promoting strength as training with heavy weights. The study challenges conventional wisdom on weightlifting and provides evidence for a simpler paradigm of resistance training.
Researchers at A*STAR's Institute of Medical Biology found that reducing SUN1 levels in mouse models doubled the life spans of those with progeria and tripled it for those with Emery-Dreifuss muscular dystrophy. This discovery opens up a possibility for therapeutic use of reduced SUN1 levels for other forms of heart disease.
Research published in the Journal of Leukocyte Biology suggests that vitamin D supplementation can strengthen innate immunity against viral infections. The study found that vitamin D insufficiency is associated with impaired immune function and lower levels of toll-like receptor 7, which regulates immune responses to viruses.
A recent study published in Environment and Behavior found that placing fruit and vegetable bowls near participants increases the likelihood of eating them. However, this effect is more pronounced for fruits due to their natural sweetness, which stimulates brain reward regions.
Researchers have found that lactoferrin, a protein with iron-binding properties, plays a key role in innate immunity and can protect against bacterial, viral, fungal, and protozoal infections. Lactoferrin also shows promise in preventing certain types of cancer.
Research at Northwestern University reveals that bilingualism sharpens the brain's ability to encode basic sound patterns and improve attention. Bilingual speakers outperform monolingual peers in processing complex sounds under noisy conditions.
Researchers found that PAX5 stabilizes MYC protein levels in B cells, correlating with poor patient survival. Additionally, STIM1 regulates calcium signaling to control fat preference, while IL-12 production is decreased in diabetic patients with increased infection risk.
Researchers found social networks on Facebook tend to form around graduation year or university housing rather than shared interests. The study's findings suggest universities can create strong community among students by manipulating student housing efforts.
A new study shows that tablet-based conference mirroring enhances radiology residents' learning experience by allowing them to manipulate images, zoom in on subtle abnormalities, and participate remotely. More than 75% of residents who participated in this format strongly agreed that it improved their learning.
Researchers observed an intermittent motion of magnetic flux in a superconducting strip, resulting in alternating static and dynamic phases with zero and non-zero voltage peaks. The study's findings have potential applications for gate devices controlling on/off states in electrical systems.
A new study shows that MR enterography outperforms CT enterography in diagnosing fibrosis and detecting active inflammation in pediatric Crohn's patients. The imaging modality offers a radiation-free alternative to traditional CT scans.
A team of University of Iowa researchers found that a lack of gamma-protocadherin cell adhesion molecules in the cerebral cortex disrupts neural circuitry formation. This discovery may help understand causes of human developmental disorders like autism, mental retardation, and schizophrenia.
Researchers suggest increased predation by grey seals may be responsible for Atlantic cod's delayed recovery on the eastern Scotian Shelf. Further investigation is needed to identify underlying factors affecting high adult death rates.
Physicists create isolated attosecond pulses using a new method dubbed the "attosecond lighthouse" effect, which can help confirm theories of electron motion and yield insights into chemical reactions. The technique has several advantages over previous methods, including ease of implementation and minimal rotation required.
A study of monitor lizards found that midsize lizards are the fastest, suggesting that larger size can create biomechanical constraints. The researchers discovered that above a certain size, lizards change their running style, making them slower.
The study found a nearly 5-fold increase in maternal opiate use and a 3-fold increase in newborns diagnosed with neonatal abstinence syndrome (NAS) between 2000 and 2009. NAS is associated with increased hospital charges, longer hospital stays, and adverse neonatal outcomes.
Researchers from California and Japan have devised a new LED design that avoids efficiency droop, a major problem limiting solid-state lighting growth. The breakthrough could lead to more energy-efficient and affordable LED lighting, with potential applications in household bulbs.
Chemical engineers at UMass Amherst have discovered a new method to produce p-xylene with an efficient yield of 75%, using most of the biomass feedstock. The process creates the same chemical used in petroleum-based plastics, but from renewable biomass sources.
Researchers have identified a second form of the MCL1 protein, which works in a different location and performs a different function. The newly discovered version is shorter and located inside mitochondria, where it promotes mitochondrial energy production and may aid in cancer treatment.
Scientists develop technique to monitor protein phosphorylation in single living cells, revealing chemical changes over time. The method uses Fourier-transform infrared spectromicroscopy to analyze infrared radiation from a synchrotron light source without damaging cells.
A study funded by the National Institutes of Health found that Mexican-American women who participated in a culturally tailored weight management program lost an average of nearly 16 pounds. The program, called De Por Vida, helped participants return to traditional Mexican diets and learn basic measuring skills.
A study published in CMAJ found that WHO growth curves are not more effective than CDC curves in detecting cardiometabolic abnormalities in children aged 9 years. The WHO curves use older data, but did not offer a significant advantage in identifying overweight and obesity.
A literature review highlights the need for a tailored approach to improving quality of life in subpopulations, including African Americans, Latin Americans, Asians, and men who have sex with men. The authors emphasize the importance of considering demographic, socioeconomic, and sexual preference factors in treatment decision-making.
For the first time, astronomers have detected arsenic and selenium in an ancient star, revealing insights into the origin of these elements. The discovery sheds light on how stars produce heavier elements, including those found on Earth.
A new method to measure IT quality has been proposed by researchers at the University at Buffalo School of Management. The Quality Distinction (QD) Capability Model offers a more reliable understanding of IT capabilities by acknowledging the importance of regularly evaluating and adapting development and delivery processes.
A study using NASA satellite data found that the four largest wind farms in Texas experience an increase in land surface temperature over nine years, likely due to turbulence caused by turbine wakes. The warming occurred mainly at night and during times of high turbine activity.
Archaeologists are utilizing information from multiple disciplines to inform and enhance their data, providing new insights into social systems, economic processes, and political dynamics. The field has expanded beyond anthropology to include perspectives from sociology and other social sciences.
Researchers have created a new instrument that rapidly analyzes the physical properties of cells to identify cancer and other cell states. The deformability cytometer measures cells' responses to fluid flow, providing valuable information about cell health.
Researchers uncover ancient deformation ages of the Dead Sea fault zone, linking them to climate change in Northern Hemisphere. In southern Patagonia, warming caused glaciers to retreat early, while microbes played a key role in ooid formation.
Researchers have discovered that immune cells in the brain use a two-tier approach to combat infections, sending signals to neighboring cells while focusing their attack on infected cells. This finding may help researchers develop new treatments for brain tumors and autoimmune diseases.
A new analysis suggests that every-other-year mammography screening offers a better balance of benefits and harms for women aged 40 to 49 with an increased risk of developing breast cancer. Digital mammography screening resulted in greater false-positive results and harm compared to film mammography.
Two new studies published in Annals of Internal Medicine found that younger women at increased risk for breast cancer may benefit from biennial mammography screening beginning at age 40. The data suggest that this approach has more benefits than harms for women with a two-fold increased risk. Meanwhile, hospital management strategies h...
UC Davis researchers have discovered novel compounds that disrupt amyloid formation and reduce inflammation in neurons, potentially preventing or delaying Alzheimer's disease damage. The spin-labeled fluorene compounds demonstrate excellent detection of amyloid and anti-inflammatory properties.
A new drug, BL-7050, is being developed to manage resistant chronic pain caused by nerve or tissue damage. The medication targets potassium channels to prevent hyper-excitability and induce calm in neurons, offering relief to millions of sufferers.
Researchers found that Jarid2, a component of the Polycomb repressive complex 2, occasionally activates gene expression in fruit fly embryos. This challenges the traditional view of Polycomb proteins as transcriptional repressors, suggesting a more complex role for PRC2 and its components in development and cancer.
Researchers have discovered a CD19-dependent pathway that contributes to the growth of B cell lymphomas. High levels of CD19 correlate with increased MYC activity, suggesting a new target for therapies currently in clinical trials.
A new study by the University of Bristol reveals that male tree crickets can change the frequency of their songs with temperature, allowing them to adjust their size. This allows males to increase sound power, which may be linked to attracting mates and disguising their true size.
A national study from PolicyLab at The Children's Hospital of Philadelphia examines prescription patterns of psychoactive medications in 48 states. The research shows a decline in the use of other psychoactive medications but highlights concerns about the high rates of antipsychotic prescriptions among children in foster care.
A $2.4 million grant will help identify genetic variations that can predict the response to various treatment options for type 2 diabetes, with the goal of reducing cardiovascular disease. The study aims to target interventions to patients most likely to benefit and least likely to be harmed.
A new sensor developed at MIT can accurately measure the ripeness of fruits by detecting tiny amounts of ethylene gas. The sensor has the potential to help grocers and food distributors reduce waste and spoilage, with estimates suggesting a 30% reduction in losses.
A landmark study found that bevacizumab (Avastin) is equivalent to ranibizumab (Lucentis) in treating wet age-related macular degeneration through two years, with monthly dosing producing slightly more vision gain. The study showed similar visual results regardless of dosing frequency, with 60% of patients achieving driving vision.
Researchers at Queen's University are developing a synthetic stool mixture that could replace stool transplants as a treatment for C. difficile. This new approach aims to eliminate the risk of transmitting infectious diseases through fecal bacteria, improve patient acceptance, and provide a single-dose remedy.
A recent study from the University of California, Berkeley, found that highly religious individuals are less driven by compassion when helping strangers. In contrast, atheists, agnostics, and less religious people were more inclined to show generosity due to their emotional connection with others.
A new mathematical model predicts that creatures will help each other differently depending on resource scarcity, with defense and food-focused behaviors favored during times of scarcity and care for young during abundance. The study's results suggest that the benefits of altruism vary across different behaviors.
A recent study by CDC researchers found that one-third of US adults with arthritis experience anxiety or depression. Anxiety is nearly twice as common as depression among people with arthritis, despite more focus on the latter mental health condition.
A study of over 12 million bacteria found that E. coli antimicrobial resistance to ciprofloxacin increased five-fold from 2000 to 2010, making treatment more expensive and complex for patients. The lack of new antimicrobial drug development is a major concern, as it may lead to the use of less effective and potentially toxic treatments.
Researchers found that Avastin and Lucentis improve vision in patients with AMD, with monthly treatment yielding slightly better results. The study suggests that both drugs can be effective regardless of dosing schedule, providing valuable information for treatment decisions.
A researcher at the University of Missouri has developed a system that helps public health officials identify priorities for resource allocation by assessing health risk factors and conditions. The system balances six criteria, including severity, magnitude, and disparity, to determine top health priorities.
Researchers have developed portable gas sensors that can monitor ozone, greenhouse gases, and air pollutants with high-resolution mapping capabilities. The sensors use various technologies, including laser sensors and deep ultraviolet LEDs, to detect small amounts of atmospheric gases.
A study published in Weather journal has reconstructed past climate events in Iraq and Syria using ancient Arabic records. The research team found a high number of cold waves, droughts, and floods between 816-1009, with temperatures dropping as low as 18°C in July 920.
Researchers found a significant warming effect over wind farms, up to 0.72 degrees Celsius per decade, attributed to turbine wake interactions. The study uses satellite data to quantify the potential impact of wind farms on weather and climate.
A new study by The University of Manchester found that obese women face discrimination in the job market, receiving lower starting salaries than their non-overweight colleagues. Body image and conservative personalities were also linked to obesity discrimination.
A new study reveals that ocean currents may mitigate warming near a handful of equatorial islands, including some in the nation of Kiribati. This finding has important implications for the survival of coral reef systems and provides hope for these at-risk Pacific islands to avoid the devastating effects of global warming.
A study found that more than 80% of bike share riders in Boston and Washington D.C. do not wear helmets, putting them at risk for head injuries. The study suggests helmet use can reduce head injury by up to 88%.
According to a new study, about one baby is born every hour in the United States addicted to opiate drugs. The number of newborns with neonatal abstinence syndrome has increased five-fold between 2000 and 2009.
A study analyzing church records of Finnish people from 1760-1849 found significant natural and sexual selection is still taking place in modern humans. The research suggests that men and women are not equally affected by Darwinian selection, with characteristics increasing mating success in men evolving faster.
Researchers successfully sent highly accurate clock signals across hundreds of kilometers using optical fiber links, overcoming challenges to transmit stable signals over long distances. The achievement brings scientists closer to redefining the second and enabling ultra-precise navigation and other applications.
A new study aims to determine whether intravenous insulin delivery is more effective than standard shots in improving stroke outcomes. Researchers hope to find ways to lower high blood glucose levels quickly and safely after a stroke, which can worsen brain damage.
A study found that amoxicillin-clavulanate triggers groups of propagated contractions within the small intestine, improving small bowel transit and influencing gut microbiome. The antibiotic may be effective in patients with alterations of duodenal phase III, chronic symptoms of intestinal pseudo-obstruction.
A study by Oregon Health & Science University found that restricting pacifiers in a hospital setting decreased exclusive breastfeeding rates and increased formula consumption in breastfed infants. The researchers argue that the effect of pacifier use on breastfeeding has not been well-established, warranting further scientific inquiry.
A study of 449 patients found that follow-up CT scans had positive findings in 32.9% of cases with inconclusive abdominal ultrasound results, while 42.7% were non-significant and 11.7% equivocal. The exams were most useful for diagnosing renal lesions.
A new anti-dandruff shampoo using green tea polyphenols has been developed by GHSU researcher Dr. Stephen Hsu, eliminating toxic ingredients found in conventional shampoos. The product, ReviTeaLize, works by promoting the skin's metabolic equilibrium and shielding against autoimmune diseases.
Researchers found that most African-American breast cancer survivors were satisfied with their treatment but lacked access to critical information about treatment options, support services, and clinical trials. Only 62% of women received information about support services, while nearly half said they wanted such services.
Michigan State University researchers Merlin Bruening and Greg Baker have invented a high-performance membrane protein purifier that can simplify the process of isolating desired proteins. This innovation has the potential to reduce costs, speed up new drug development, and improve pharmaceutical efficiency.
The Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center is conducting clinical trials on mood and anxiety disorders, including depression, and testing the effectiveness of dialectical behavior therapy (DBT) for teenagers who have attempted suicide or engaged in self-harm behaviors.
Two scientists, Elaine Fuchs and Howard Green, have been awarded the March of Dimes Prize in Developmental Biology for their groundbreaking research on skin stem cells and inherited skin disorders. Their work has saved thousands of lives and holds promise for new therapies for baldness and other diseases.
A new study found that people engage in media multitasking despite knowing it impairs their performance, as it provides an emotional boost. The research recruited 32 college students to record their activities for four weeks, showing that multitasking was more likely when cognitive or habitual needs were present.
Researchers have found that lactoferrin has various health benefits, including wound healing and protection from bacterial, viral, fungal and protozoal infections. The protein is also being explored as a potential therapeutic agent for cancer prevention and treatment.
Researchers estimate that screening mammography for women aged 40-49 with a twofold increased risk level of breast cancer has similar benefits and harms as average-risk women who start biennial screening at age 50. Factors such as family history and dense breasts increase risk by twofold.
Researchers have identified FANCM's crucial role in recombination during genetic inheritance. The gene ensures ordered distribution and recombination of genetic material in germ cells of thale cress, a model organism.
A national cohort of recent medical school graduates revealed significant disparities in general surgery board certification among women and minority groups. The study found that these groups were more likely to leave the surgery workforce or not complete the certification process, impacting patient care and healthcare outcomes.
Researchers confirm that Avastin and Lucentis yield similar improvements in vision for patients receiving monthly or as-needed treatment. The year-two results of the Comparison of AMD Treatment Trials (CATT) support the findings from the first year of the study.
The image share project enables patients to distribute medical images to their physicians quickly and securely. Patients can own their exam and control distribution, while physicians gain anytime, anywhere access to reduce unnecessary radiation exposure.
Researchers found that teenagers with abnormally high uric acid levels were twice as likely to have high blood pressure. Elevated uric acid persisted even after adjusting for other factors, suggesting it may be an independent driver of high blood pressure.