A study by Michigan State University researchers found a strong correlation between hospital bed availability and use, even accounting for various factors that may lead to hospitalization. This supports the regulation of hospital beds to align with population health needs.
Researchers discovered that one wasp species uses a novel third ingredient in its sex pheromone, which is recognized by females only when combined with two original scents. This adaptation allows females to distinguish their own species from others, preventing costly interbreeding.
A new study found that chemicals secreted by good bacteria can reduce the frequency and severity of necrotizing enterocolitis (NEC) in premature infants. The treatment, which uses purified secretions from probiotic bacteria, shows promise as a targeted preventive strategy without the broad effects of steroids.
Scientists have discovered a long-running conflict between SAR11 bacteria and viruses that constantly kill them off. The ongoing battle affects the planet's carbon cycle and has significant implications for ocean biology.
A team of researchers from the University of Texas Medical Branch at Galveston and the University of Houston has found a new way to influence the vital serotonin signaling system. They have linked malfunctions in this system to various health issues, including depression, addictions, epilepsy, obesity, eating disorders, and more.
A new study at Columbia University's Mailman School of Public Health found that people who yearn for a more intimate partnership and those who crave more distance are equally at risk for having a problematic relationship. The study's lead author, David M. Frost, PhD, suggests that finding a way to attain an idealized level of closeness...
Researchers identified a protective effect of excessive threat vigilance on PTSD development in infantry soldiers during combat deployment. The study found that genetic variations in the serotonin transporter gene were associated with this behavior, which can be trained through attention bias modification to reduce PTSD risk.
A CU-Boulder study found that ponds with diverse amphibian species have a 78% reduction in parasitic infections, which can cause severe deformities. Greater biodiversity also appears to protect against other diseases, such as Lyme disease and West Nile virus.
Researchers at Johns Hopkins University developed self-assembling particles inspired by origami that can be manipulated to fold and seal or open and close. These particles have potential applications in drug delivery, mechanical sensing, bio-sensing technologies, and more.
A Boston College research team has designed novel small-molecule catalysts triggered by a single proton, enabling efficient and selective fine chemical synthesis. The catalysts, derived from abundant amino acid valine, promote reactions at room temperature with minimal waste generation.
Researchers tracked 1085 male Israeli soldiers to identify predictors of post-traumatic stress disorder (PTSD) symptoms. Soldiers with pre-deployment threat vigilance and an emotion-related gene were more likely to develop PTSD, with a faster reaction time indicating increased threat vigilance.
Research on the Florida carpenter ant reveals that epigenetic regulation plays a key role in distinguishing two worker castes with strikingly different behaviors and physical characteristics. Histone modifications, including those influenced by the CBP regulator, are found to correlate with gene expression levels and cognitive abilities.
A new study finds that bacteria in the large intestine can deconjugate masked mycotoxins, releasing toxic forms of deoxynivalenol and zearalenone. The findings suggest that these toxins should be considered when evaluating population exposure.
Research suggests that longer periods of low-intensity exercise improve insulin sensitivity and blood lipid levels more effectively than shorter bursts of intense activity. Standing and walking for extended durations are particularly beneficial.
A team of scientists from Duke University and the University of Padova found that marsh plants actively tune their elevations by producing organic soil and accumulating sediments. This complex interplay with the environment helps species stabilize the soil within favorable states, allowing for greater long-term stability.
Researchers have identified FOXC2 as a protein vital to the formation of cancer stem cells and the epithelial-mesenchymal transition in breast cancer. The study found that blocking FOXC2 with the FDA-approved drug sunitinib inhibited the growth of cancer stem cells and reduced metastasis in mice with triple-negative breast cancer.
Researchers emphasize the importance of understanding how social and personal norms are influenced by behavior to promote long-term environmental changes. The authors suggest that effective policies can induce changes in norms over time, leading to increased public acceptance of environmental measures.
A team of scientists found that conservatives and liberals use different brain regions when making risky decisions, with 82.9% accuracy in predicting party affiliation.
The inaugural issue of Big Data journal launched at the Strata Conference, featuring premium content from leading experts on big data. The Journal aims to facilitate dialogue among researchers, analysts, and policymakers on the challenges and opportunities in big data, published under the Creative Commons Attribution license.
A study published in Journal of Pediatric Oncology Nursing found that discomfort with tube feeding is the main reason families prefer IV nutrition. Tube feeding is associated with better gut function and lower infection rates, but perceived discomfort leads to a preference for IV feeding.
Researchers at Penn Vet have identified a new pathway for stimulating bone growth using the protein Jagged-1. This discovery has the potential to treat bone fractures and improve outcomes for patients with rare metabolic conditions like Alagille syndrome.
A study published in PLOS ONE found that high school students whose friends had higher GPAs were more likely to increase their own scores over time. The researchers also discovered that social connections with weaker academic performers could lead to decreased grades.
The study proposes that half of a concept's meaning is a summary of how rewarding and risky an object is. The researchers used internet blogs to estimate the number of good or bad things associated with objects, finding that 'evaluation' and 'activity' dimensions were strong predictors of word usage.
The Gulf region is expected to experience a massive wave of cardiovascular disease in the next 10-15 years, driven by high obesity rates and diabetes prevalence. Prevention services are lacking, but experts call for a public health strategy to promote physical activity and healthy diets.
Researchers at UTHealth found that alcohol use can increase smoking and smoking urges in women attempting to quit. Higher, more volatile smoking urges were reported before drinking, suggesting a potential vicious cycle where smoking urges lead to alcohol consumption.
A team of researchers has adapted natural mechanisms to detect specific molecules like cocaine more accurately and quickly. The new biosensor responds optimally even with a large concentration window, paving the way for applications in cancer-targeting drugs and administration.
Researchers isolated and ablated neurons expressing TRPM8 protein, which senses cold temperatures in the skin. Mice without these neurons couldn't feel cold but still responded to heat and touch, shedding light on pain treatment advancements.
Researchers found that geographic site, demographic factors, and adherence to initial therapy are crucial for successful H pylori eradication. The study suggests a 'one size fits all' approach may not be optimal, highlighting the need for tailored interventions.
A study from researchers at the Hospital of the University of Pennsylvania reports that endoluminal therapies combining resection and ablation techniques have a high success rate in eradicating Barrett's esophagus, with durable results. Persistent vigilant surveillance is required due to recurrence risks.
A new antibiotic, tedizolid phosphate, has been shown to be effective in treating skin infections with a shorter course than traditional treatments. The study found that the new antibiotic was noninferior to linezolid in both early and sustained clinical responses.
A new study published in Child Development found that children as young as 4 think boys are academically inferior to girls and believe adults share these stereotypes. Conveying egalitarian messages can help close the gender gap by refraining from practices like dividing classes by gender, according to researchers.
Researchers at USC have created a new lithium-ion battery design that uses silicon nanoparticles to improve capacity and recharge more quickly. The batteries hold three times as much energy as comparable graphite-based designs and can recharge within 10 minutes.
A new study shows that college students with overcontrolling parents experience negative well-being outcomes, including depression and decreased life satisfaction. The study suggests that helicopter parenting behaviors can undermine children's autonomy, competence, and social relationships.
Researchers found that the Achilles tendon remains unchanged despite repeated high-impact loading. Human tissue samples from individuals exposed to nuclear bomb tests showed persistent radiocarbon levels decades after the event.
Lab-on-a-chip technologies use micro-fabrication techniques to integrate various laboratory functions onto microchips. Researchers have demonstrated the ability to heat nanoliter volume droplets individually and in an array using VLSI silicon-based devices, enabling biochemical reactions and DNA melting detection.
Women who took folic acid supplements from four weeks before conception to eight weeks into pregnancy had a 40 per cent lower risk of giving birth to children with childhood autism. The findings only apply to a lower risk of childhood autism, the most severe form of autism.
A study of 85,000 Norwegian children found that prenatal folic acid supplementation was associated with a lower risk of autistic disorder. The research suggests that maternal use of folic acid supplements before and early in pregnancy may protect against the development of autism spectrum disorders.
Researchers discovered a hierarchical warning scheme used by song sparrows to ward off trespassing rivals, including matching the intruder's song, soft songs, and wing waves. The study found that birds who matched the intruder's song were most likely to attack, adding nuance to their complex communication system.
Scientists have identified aromatic rice from Bangladesh with very low arsenic content, higher selenium and zinc levels. This could benefit millions of people worldwide who consume rice daily, reducing their risk of cancer and other health problems.
A new study published in the Journal of Applied Physiology, Nutrition, and Metabolism found that consuming high fructose corn syrup (HFCS) and sucrose at average daily levels does not increase liver fat. The findings add to scientific evidence that HFCS and table sugar are metabolically equivalent.
PeerJ, founded on principles of affordability, innovation, and Open Access, publishes its first 30 peer-reviewed articles, offering a rapid, peer-reviewed journal with a Creative Commons license. The organization assembles an Editorial Board of 800 esteemed academics to ensure rigorous peer review and high standards in publication.
Researchers found that African-American and Caucasian women absorb and metabolize vitamin D at the same rate. Vitamin D deficiency can cause abnormalities in calcium, phosphorus, and bone metabolism, leading to conditions like osteomalacia and muscle weakness.
A recent study found that women with high anti-Müllerian hormone (AMH) levels are 2.5 times more likely to have a successful IVF cycle than those with low levels. High AMH levels also signal increased chances of pregnancy and live birth, regardless of the number of eggs retrieved.
A new study shows that children can influence their parents' attitudes and behaviors towards the environment through education. The research, conducted in the Seychelles, found that children participating in wildlife clubs increased their parents' knowledge of wetlands and led to more environmentally friendly practices.
A new study from Rensselaer Polytechnic Institute and UC Berkeley uses blue light to activate specific proteins into large clusters, controlling cell signaling. This technique has potential applications in understanding cellular function and optimizing energy production.
Cyclone Gino strengthens with powerful thunderstorms and a ragged eye, but will weaken as it moves into cooler waters. The storm is expected to transition to a cold core low pressure area by February 15.
A new study reveals that cyberstalking victims experience increased self-protective behaviors, including changing jobs or email addresses, and face higher financial costs compared to traditional stalking victims. The study also finds that cyberstalking victims exhibit greater fear over time, suggesting a more severe condition.
Researchers at LSU Health Sciences Center have identified a protein, fatty acid transport protein 4 (FATP4), that protects retinal photoreceptor cells from degeneration. The study suggests FATP4 may be a therapeutic target for inherited retinal degenerative diseases and age-related macular degeneration.
A new study reveals that bite force is influenced by the size of both the eater and the eatee, peaking at an optimal level of muscle stretch. The research found that too much or too little stretch leads to reduced bite force, with some fish able to crush stronger tubes when their muscles are optimally stretched.
Duke researchers develop a brain-machine interface that enables rats to detect and track infrared light, demonstrating the first time a sense has been augmented in adult animals. The breakthrough suggests new possibilities for restoring vision or sensing in people with damaged brains.
The HIPPO dataset provides high-resolution measurements of over 90 unique atmospheric species, including greenhouse gases and aerosols. Key findings include quantified seasonal amounts of carbon dioxide taken up and released by land plants and oceans, as well as elevated concentrations of methane near the Arctic Ocean.
A study reveals racial differences in chronic pain management, with black patients experiencing less frequent pain level documentation and more urine drug tests. This may impact the effectiveness of pain management for black patients who overcome barriers to opioid prescriptions.
This study investigates the sedimentary fingerprint of the 2011 Mississippi River flood across the Louisiana coast, identifying key indicators of sediment provenance. Chemostratigraphy also reveals a complete Late Permian to Early Triassic sequence in western Utah, shedding light on the Permian-Triassic mass extinction event.
Researchers discovered a genetic mutation in CELF6 that disrupts serotonin signaling and leads to common autism behaviors like communication difficulties and resistance to change. The findings provide new insights into the biological pathways underlying autism.
Researchers at Johannes Gutenberg University Mainz confirmed the original tetrahedral model of water's molecular structure, attributing its unique features to hydrogen bonds between molecules. The findings resolve a controversy that emerged in 2004, which was later attributed to temporary fluctuations in the bond network.
Researchers tracked observer eye movements during video clips of the 'Cups and Balls' trick to illuminate how our brains can be misdirected. This study advances our understanding of human cognition and perception, shedding light on how magicians manipulate attention.
A Norwegian study found that mothers who took folic acid supplements during early pregnancy had a 40% reduced risk of having children with autistic disorder. The timing of the supplements was critical, with the greatest reduction in risk observed when taken between 4 weeks before to 8 weeks after the start of pregnancy.
A University of Colorado Boulder-led study found significant declines in pinyon pine seed cone production due to regional warming and drought. The biggest declines were at higher elevation sites with more dramatic warming, which likely inhibits cone initiation and development.
The European Space Agency has selected NASA's Goddard team to join the Euclid mission, a space telescope designed to probe the mysteries of dark energy and dark matter. The project aims to explore the cosmic infrared background and provide insight into stellar and galactic populations in the early universe.
A 30-year study of nearly 400 men found that nearly one-third of major depressive episodes were seen only while they were drinking heavily. Heavy drinking is often mistaken for depression, but the symptoms typically resolve within weeks to a month of abstinence.