A new study published in Evolutionary Psychology examines the relationship between parental income and the sexual behavior of their adult children. The research found that children from low-income families had higher frequencies of same-sex attraction, while those from high-income families had lower frequencies.
A team of researchers from Lithuania has developed organic dyes showing a particularly long afterglow after being excited by light. The new material exhibits persistent thermally activated delayed fluorescence and long phosphorescence at room temperature, enabling color-tunable room-temperature organic afterglow.
A study by MIT economists found that doctors and their families are less likely to adhere to medication guidelines than the general population. Despite having better access to medical expertise, they lag behind in following guidelines 3.8 percentage points, with significant differences in 41 cases.
A team at Massachusetts General Hospital found that skin produces β-endorphin in response to radiation therapy, contributing to fatigue. Blocking this hormone with opiate antagonist drugs might benefit patients.
Early dinosaurs showed diversity in diets, with plant-eaters starting as omnivores and meat-eaters appearing later. The discovery sheds light on the evolutionary success of these ancient creatures.
A study in wild mice reveals that metformin's antidiabetic effects depend on the presence of GDF15, a protein that responds to cellular stress. GDF15 activates AMPK, a metabolic sensor involved in energy balance, and its levels increase with metformin treatment.
Physicists search for signs of radiation produced by a violation of the Pauli exclusion principle, which determines electron arrangement in atoms. No evidence of violation has been found so far, ruling out some quantum-gravity models.
The researchers investigated the ignition of methane-air mixtures using a detailed reaction kinetics model. They identified five domains with different sets of chemical reactions leading to methane ignition. This knowledge can help increase efficiency and reduce environmental impact in heating and power generation.
A new respiratory vaccine has been shown to provide complete protection against lethal SARS-CoV-2 challenge in mice. The vaccine uses a DNA encoding a viral protein and is delivered through the mucous membranes, targeting immune cells in the nose and lungs.
Using machine learning to study water's phase changes, researchers found strong computational evidence in support of liquid-liquid transition. This technique can be applied to real-world systems that use water, informing water's use in industrial processes and climate models.
Researchers at Cleveland Clinic found that elevated levels of phenylacetylglutamine, a byproduct of gut microbiome breakdown, increase heart failure risk and severity. This discovery suggests potential approaches to modify PAG-associated risks through diet and beta blocker use.
The MARM robotic platform has three limbs for enhanced mobility and manipulation flexibility, allowing it to transport large payloads and assemble components. The robot's unique design enables full-body motions and facilitates assembly operations by adjusting its central pelvis base.
Researchers at RIT have made a groundbreaking discovery confirming the light emitted by stars outside our galaxy is two to three times brighter than previously thought. This finding suggests a possible absence of optical light sources in the universe, potentially changing our understanding of how it formed over time.
A study by Dr Ansgar Hudde found that the Dutch cycle around twice as often as Germans during winter months due to differences in mobility culture. This is attributed to a cycling culture in Germany that only encourages seasonal cycling, whereas the Netherlands promotes year-round cycling.
Cardiology organizations propose modernizing randomized clinical trials using streamlined approaches, digital technology, and real-world data to enhance efficiency, safety, and innovation. The goal is to improve patient care and address unmet medical needs, particularly for diverse populations.
A new study reveals that older adults are hesitant to seek emergency care due to financial worries. Among those who may need care, 22% skip the visit altogether. Those in their 50s and early 60s, women, uninsured individuals, low-income households, and those with poor mental health are disproportionately affected.
Researchers found that 24% of surveyed red giants experienced structural discontinuities, affecting their oscillations and star's internal composition. The study aims to refine stellar models and uncover the history of the universe through detailed stellar fossil records.
The device can monitor hemoglobin levels in deep tissues with high spatial resolution, providing critical information for timely interventions. It overcomes limitations of existing methods, such as MRI and X-ray-computed tomography, which are bulky and only provide immediate status information.
A new study by Boston University School of Public Health and the University of Washington School of Social Work found a consistent relationship between higher temperatures and higher risk of shootings in 100 of the country's most populated cities. Nearly seven percent of shootings can be attributed to above-average daily temperatures.
The Safeguard project has released its first policy brief, providing concrete research-based recommendations for policymakers to consider pollinators. The brief highlights five key recommendations to support pollinators and achieve the Sustainable Development Goals, including protecting diverse pollinator assemblages and enhancing terr...
Researchers analyzed COX-2 levels and segmental chromosome aberrations in pediatric neuroblastoma tumor samples. Positive correlations between pre-CT Ch 7q gain and COX-2 expression were found, as well as negative correlations between Ch 7q gain and Ch 11q deletion.
Researchers developed a new fluorescent emitter with a small Stokes shift, achieving high external quantum efficiency over 10% and narrow emission bands. The sensitization strategy using TADF sensitizer is an effective method for obtaining efficient electroluminescent devices.
A new model created by Weill Cornell Medicine investigators found that pregnant individuals had a 50% lower exposure to SARS-CoV-2 compared to the general population in the earliest months of the pandemic. This protection was likely due to shielding measures, including masking and social distancing.
Langerhans' Cell Histiocytosis (LCH) is a serious disease affecting children that can be fatal in severe cases. Researchers have identified the origin of LCH cells, which are derived from both dendritic and monocyte cells.
A new multidrug treatment combining pembrolizumab and all-trans retinoic acid has proven effective in treating stage IV melanoma, with an overall response rate of 71% and a one-year overall survival rate of 80%. The study's results are promising for patients who have failed traditional immunotherapy.
The AVID college preparatory program has been shown to have a positive effect on students' social networks, psycho-social outcomes, and health behaviors. Students who participated in the program had lower odds of using substances and associating with substance-using peers compared to those in usual school programs.
Researchers at Rutgers University have developed a novel genome assembly tool called Bact-Builder that creates an improved genome map of Mycobacterium tuberculosis. This breakthrough enables the identification of new genes and gene fragments missing in current reference sequences, which could lead to better treatments and vaccines.
Researchers used AI to classify galaxies by their shape, leveraging the EAGLE simulation. The study suggests spiral galaxies lose gas as they merge with other galaxies, transforming into elliptical shapes. The findings bring together various pieces of research, providing a new understanding of galaxy evolution and morphology.
Researchers tracked elephant footprints with handheld GPS and overlaid it with satellite imagery to understand how plant diversity affects movement. The study found that bull elephants prefer paths with certain plants, while family groups prefer others, leading to a compromise in areas where both are available.
Black bears with a specific mutation in the TYRP1 gene have reduced eumelanin production, resulting in a cinnamon coat. The team found that this mutation arose spontaneously around 9,360 years ago in western US black bears and spread as they migrated across their range.
Climate change and land use will cause extinction cascades leading to the loss of 10% of animals and plants by 2050, rising to 27% by 2100. The study highlights coextinctions as a dominant factor in future vertebrate losses.
Researchers have created a deep red, antimicrobial lipstick using cranberry extract, which inactivates viruses, bacteria, and fungi within minutes. The novel formula could provide protection against a range of disease-causing microorganisms.
The research team successfully transplanted a stem cell sheet onto the heart, promoting angiogenesis and improving cardiac function. The technique has improved integration and engraftment rates, addressing challenges in patch-based treatments for myocardial infarction.
A study of 11,000 participants found that pandemic-associated hardships and behaviors were linked to increased traumatic stress symptoms in mothers from diverse backgrounds. Researchers emphasize the importance of designing effective mental health programs during public health crises like COVID-19.
Researchers have gained a better understanding of the structures and functions of Andhra gene products, paving the way for custom phages for therapeutic applications. The high-resolution knowledge of the virus structure is crucial for developing targeted treatments against Staphylococcus epidermidis infections.
Astronomers used the Webb Space Telescope's near-infrared camera to analyze images of the Cosmic Cliffs region in NGC 3324. The discovery reveals telltale signs from two dozen previously unseen young stars, with many appearing to be protostars that will eventually become low-mass stars like Earth's sun.
A study published in Aging-US reveals changes in gene expression associated with age-related muscle loss and frailty. Researchers identified unique cellular subpopulations in aged and sarcopenic skeletal muscle, which may facilitate the development of new treatments for age-related frailty.
A North Carolina State University study found that mosquitoes harbor diverse bacterial communities, including those associated with human diseases. The research revealed greater bacterial diversity internally than externally, suggesting that mosquitoes may transfer pathogenic bacteria through physical contact or defecation.
Researchers created a magneto-impedance sensor magnetometer that measures Earth's geomagnetic field fluctuations, enabling real-time monitoring of space weather and advancement of space research. The device is lightweight, power-efficient, and low-cost, making it suitable for constructing multi-point observation networks.
Researchers mapped strategies to minimize impact of mining on rare plants, finding that protecting 30% of threatened species can ensure long-term survival. The model optimizes energy project placement to balance space use and minimize harm.
A new study from the University of Toronto found that refugees and immigrants aged 15-64 generally report good physical health, but those who experienced discrimination, had poor mental health, or were unmarried did not fare as well. The study highlights the importance of anti-discrimination strategies in healthcare settings.
Australian scientists confirm that Theria (placental and marsupial mammals) evolved in Gondwana 50 million years ago before migrating to Asia. The discovery challenges long-held theories of mammal evolution.
The American Roentgen Ray Society has awarded the 2023 ARRS Gold Medal to Dr. Bernard F. King, Jr., MD, FACR, FSAR, in recognition of his distinguished service to radiology. Dr. King has made significant contributions to the field, including the development of contrast media recognition and treatment protocols.
A team of scientists discovered that ceramides accumulate in muscles during aging, leading to a decline in muscle function. Treating old mice with ceramide blockers prevented age-related loss of muscle mass and improved muscle strength.
Researchers have successfully detected terahertz waves with a fast response and high sensitivity at room temperature, using a graphene transistor. The breakthrough could have massive ramifications for spectroscopy, imaging, and future wireless technologies like 6G and 7G.
Researchers at Rutgers University found a link between poor gut health and multiple sclerosis, suggesting that dietary adjustments like increased fiber may slow disease progression. The study also identified fecal Lcn-2 levels as a sensitive marker for detecting unhealthy changes in the gut microbiome of MS patients.
Researchers combined ultrafast imaging with 3D atomistic simulation to study femtosecond laser ablation. The technique revealed the ablation mechanism of bulky gold at different excitation energy flow densities, providing guidance for material fabrication.
The study reveals that SETD1A overexpression is associated with poorer disease-free survival in pancreatic cancer patients. Artificially cultured cells showed increased cell growth and migration when SETD1A levels were overexpressed, while knocking down SETD1A expression led to decreased RUVBL1 gene expression.
A Polish-German-Italian team developed a new simulation tool called XSPIN to simulate X-ray-induced demagnetisation in multilayer materials. The tool allows for control over laser pulse parameters, such as energy and duration, to achieve specified spatial and temporal scales.
A recent study suggests that taking pride in one's identity can help protect mental health from online hate, with Asian Americans showing increased resilience. The research found that those who affirmed their identities were more likely to experience better psychological and physical health, as well as stronger personal relationships.
A recent study published in Scientific Reports found ultrafine magnetic iron oxide particles in London Underground air pollution, with average diameter of 10 nanometres. The authors propose that improved air pollution monitoring and efforts to reduce pollution levels could help mitigate health risks associated with exposure to these pa...
Researchers found anti-inflammatory proteins and lipids in long COVID patients, which may contribute to symptoms and suggest an alternative explanation for the condition. These findings support the theory that alternatively polarized macrophages play a key role in Long COVID disease.
The São Paulo School of Advanced Science on Nanotechnology, Agriculture and Environment will cover topics such as nanotechnology innovation, sustainability, and biological applications. The event will feature renowned scientists as speakers and provide hands-on experiments, technical visits, and didactic activities.
The 2017 American Academy of Pediatrics guideline shows higher levels of proteinuria in children with hypertensive range blood pressure. Clinicians should re-calculate BP percentiles using the new guidelines to accurately diagnose and treat hypertension in pediatric chronic kidney disease.
Researchers from Florida International University have patented a synthetic antibiotic, arsinothricin (AST), which is effective against antibiotic-resistant bacteria. The team aims to produce large quantities of the drug to combat the growing number of infections that have become resistant to current antibiotics.
Research from the University of Ottawa finds that oral contraceptives' effects on brain and mood in women may be linked to age of onset and gut microbiome. The study suggests adolescence as a critical period for understanding OCs' impact, as it influences brain development and hormonal changes.
A team of scientists from Michigan State University conducted a study to track the supply and demand of fish in sub-Saharan Africa, revealing surprising gaps in traditional analysis. The research found that smaller fish species like usipa were more widely available than larger species like chambo, but policies were prioritizing the lat...
Researchers found that high-performing practices used proactive approaches to organize staff and manage patient interactions, leading to comprehensive addressing of patient care needs during in-person visits. The study suggests incorporating proactive patient care processes into primary care delivery to improve diabetes outcomes.
The Children's Surgery Verification Quality Improvement Program, introduced by the American College of Surgeons, improved efficiency in treating children with traumatic injuries. The program reduced surgical wait times and hospital stays by over a day and decreased narcotics use in pediatric patients with femur fractures.
Research suggests that considering values and beliefs during life-or-death decisions can lead to more effective outcomes. Participants who thoughtfully weighed factors like saving lives were more likely to prioritize it in their choices.