Researchers found that chromatin marks are irrelevant for regulating genes expressed in specific tissues during development. The study challenges current beliefs about epigenetics and offers new insights into gene expression.
A recent study by University of Vienna researchers found that ravens can cooperate to achieve common goals, such as sliding a platform with cheese into reach. However, they also exhibit a sophisticated way of keeping their partners honest, detecting and excluding cheaters from future cooperation.
Attention plays a critical role in structuring the internal world, prioritizing relevant thoughts and emotions for goal-oriented processing. The integrated theory proposes that attention is a cascade of effects beginning with stimulus detection, suppressing competing stimuli, and resetting upon completion.
Research published in BMC Evolutionary Biology suggests that climate change could have a positive impact on Swedish sand lizard populations by allowing them to lay eggs earlier. This shift enables the females to better adapt to warming temperatures and improve the fitness of their offspring.
UT Southwestern researchers have developed a classification model for cancers caused by KRAS, the most frequently mutated gene in cancer. The model helps predict the propensity of different KRAS mutants to signal through RAF kinase and could lead to more effective targeted therapies.
Researchers are exploring new approaches to privacy protection using 'differential privacy', allowing them to investigate data without revealing confidential information. A new computer system acts as a trusted curator, protecting sensitive data by adding noise to queries.
Researchers detected distinct daily patterns in digital activities such as calling, texting, and emailing among individuals. These personal rhythms are influenced by geographical and physiological factors, suggesting potential medical applications for monitoring patients' mental health and sleep patterns.
A UCSF study found that online ads about indoor tanning and skin cancer were effective in reaching a large audience, with one ad viewed by almost 200,000 users and generating a click-through rate of 1.04%. The researchers believe this approach could be used for other major public health issues.
A five-year trial found that emergency department-based brief interventions significantly reduced underage drinking and related consequences among patients aged 14-20. The study suggests that a single-session intervention can play a role in decreasing underage drinking among youth.
A survey of UK healthcare professionals found that most doctors and nurses use their own smartphones for patient care, with over 92% of doctors and 53% of nurses deeming them 'very useful' or 'useful'. However, the lack of digital security measures and data encryption raises concerns about potential privacy breaches.
A Johns Hopkins University biologist has made significant progress in understanding the mysterious shape-shifting ways of stem cells. The study found that an enzyme in the niche where stem cells are found can help sustain them and promote other cells to become like stem cells, which has medical implications for diseases such as cancer.
Researchers have found a way to extend bananas' shelf life by up to 1-2 days through postharvest application of lysophosphatidylethanolamine (LPE). This natural phospholipid treatment maintains membrane integrity, reduces respiration and slows starch breakdown, making the fruit firmer and thicker.
Astronomers have discovered unexplained wave-like structures in the dusty disk surrounding the young star AU Mic, moving at speeds of up to 22,000 miles per hour. The features, resembling ripples in water, are unlike anything ever observed or predicted and may provide valuable clues about planet formation.
Insects like stick insects can walk up vertical surfaces using adhesive pads on their feet, but scientists long believed that wet and dry feet required different mechanisms to adhere. New research reveals that the fluid on their feet plays a crucial role in controlling adhesion, with potential applications in modern devices.
A new DIY experiment by QUT physicists demonstrates how oceans expand as they heat up, causing sea levels to rise. The study finds that thermal expansion is responsible for most of the rising sea levels during the past century, with melting ice sheets contributing to further increases.
Researchers at MIT are developing a computer system that uses genetic, demographic, and clinical data to predict the effects of neurodegenerative disease on brain anatomy. By combining MRI data with additional patient information, they found that predictions were improved by half in cases where changes were drastic.
Researchers have discovered four unique metabolites in urine samples that can accurately distinguish between malignant and benign adrenal tumors. These biomarkers show high sensitivity (94.7%) and specificity (82.6%) for diagnosing cancer, potentially improving treatment decisions for patients with adrenal incidentalomas.
Researchers at DTU Systems Biology have developed a new diagnostic technology, TumorTracer, which identifies the source of cancer with 85% certainty. The method uses advanced self-learning computer algorithms to analyze DNA mutations in cancer tissue samples.
Researchers at Ohio State University found no association between narcissism and risk-taking in lab experiments, contradicting previous research that relied on self-reports. While there were slight differences in responses, none had real practical significance.
NASA used AIRS instrument to track Hurricane Joaquin's movement from October 1-6, showing its intense rainfall and flooding in South Carolina. The storm's cloud tops reached temperatures as low as -81F/-63C/210K, producing heavy rain.
Scientists at the University of Delaware have discovered a novel structure for bimetallic catalysts, which offer improved performance and ease of synthesis. The 'patched' surface exhibits dual active sites, enabling more efficient chemical reactions.
Researchers have developed an algorithm that can analyze a person's intention despite interruptions or disturbances, allowing for more accurate control of robots and prosthetics. This technology could be used to guide cars on icy roads or assist stroke patients with mobility issues.
A study found that people's mind's-eye images of an unknown black male are similar to those of an unknown white male convicted of assault. The researchers also discovered that size and status are linked in opposite ways depending on the assumed race, with larger characters perceived as lower in social influence and respect.
A study of people with multiple sclerosis found that those who spent time in the sun every day during their teenage years developed the disease later than those who did not. The study also found that people who were overweight at age 20 developed the disease earlier than those who were average weight or underweight.
Research found that young male chimpanzees spend more time manipulating objects in play, but it does not prepare them for adult tool use. In contrast, immature females show a greater diversity of manipulation types and learn to use tools earlier.
Scientists at Berkeley Lab have discovered a 'design rule' that enables the creation of peptoid nanosheets, flat structures composed of synthetic polymers. The rule allows for counter-rotating patterns in polymer adhesion, resulting in linear and untwisted backbones and larger, flatter nanosheet structures than those found in nature.
A new study shows that half-matched donor bone marrow transplants can produce similar outcomes to full-match transplants, offering an alternative donor source for minorities and those without access to full matches. The Two-Step protocol used in the study may be a key factor in its success.
Scientists develop a novel drug delivery platform that combines ionic and covalent binding to improve the solubility and bioactivity of pharmaceutical ingredients. The approach uses ionic liquids as a key component, offering tunable hydrophobicity/lipophilicity, modulated ionic binding, and variable linkers for targeted release.
Researchers from Johns Hopkins Medicine have successfully grown a healthy intestine in a lab using stem cells and a 3-D scaffold. The lab-grown intestine regenerated gut tissue in dogs with missing gut lining, offering hope for the development of an implantable replacement intestine.
A new study published in Nature indicates that the Earth's inner core was formed between 1 and 1.5 billion years ago, based on magnetic records from ancient igneous rocks. This finding suggests that the solid inner core started to form as it cooled from the surrounding molten iron outer core.
Researchers tracked gene expression in healthy and sick sea stars, finding strong evidence of an immune response at the genetic level. The study provides new insights into how sea stars fight off the virus, with potential implications for understanding environmental conditions that contribute to disease.
Research shows that people with metabolic syndrome absorb less vitamin E than healthy individuals. Cow's milk, however, can promote the absorption of natural vitamin E found in foods, particularly when consumed with fat.
Scientists applied remote sensing and GIS to study bearded capuchin monkey habitats in northeastern Brazil, finding that distance to human influence and elevation are key landscape characteristics. The study's findings inform conservation efforts for this species' unique stone tool use.
Astronomers have discovered fast-moving wave-like features in the debris disc of star AU Microscopii, which could be a sign of something unusual. The ripples are racing away from the star at speeds of up to 40,000 kilometers per hour, making them unlike anything ever observed before.
Researchers at the University of Manchester and Nottingham are developing a gel that mimics human breast tissue, enabling the growth of breast cell models in the lab. This will help understand the influence of the breast matrix on breast cancer progression, potentially leading to new approaches to prevention and treatment.
Researchers discover cultural practices that can increase sweetpotato production in semiarid regions of the Pacific Northwest. The study found that varying soil water tension irrigation treatments led to improved yields and longer vine lengths.
A UCSF-led study reveals that gay and bisexual men are up to six times more likely to engage in indoor tanning and twice as likely to report a history of skin cancer compared to heterosexual men. The study suggests increased education and screening may reduce skin cancer rates among at-risk men.
The Bootstrap curriculum is a 10-week classroom module that helps students learn algebra by creating their own video games using key concepts like variables, functions, and the Pythagorean theorem. The $1.5 million grant from NSF will support research and workshops to train 600 additional teachers.
An expert argues that home is not always the best or preferred place to die, and that hospitals should be given more attention and resources for providing excellent end-of-life care. Dr. Kristian Pollock highlights the need for improved pain control and support services in both home and hospital settings.
A study using Google AdWords disseminated targeted messages about indoor tanning and skin cancer, with 235,913 ad views and 2,000 clicks. The campaign's effectiveness on changing behavior remains unknown, highlighting the need for further research.
Ryohei Yasuda, Max Planck Florida Institute for Neuroscience Scientific Director, has received a $4.8 million NIH Pioneer Award to support his lab's high-risk, high-reward projects in biochemical signaling and mental disorders like dementia and autism.
Researchers aim to create ultra-high temperature materials using entropy-stabilized alloys, which can withstand temperatures of 2,000 degrees Celsius. The team will develop new experimental approaches and computational techniques to identify promising materials.
A study by researchers at National Taiwan University found that consumers purchase fresh flowers for gifts primarily due to the economic, social, and expressive values of the flower. The study revealed that financial capability does not influence the likelihood of givers purchasing fresh flowers as gifts.
A new study suggests that public policies should account for individuals' varying levels of self-control when assessing their effectiveness. The researchers recommend using domain-specific measures to better understand consumer behavior and decision-making. This approach can facilitate the development of more effective interventions, p...
According to a new study by Iowa State University, parents' emotional states influence their children's behavior when it comes to playing violent video games. Warm and restrictive parenting styles can limit gaming time, while anxious and emotional parents may have the opposite effect. The research found that authoritative parents were ...
New algorithms have been developed using the natural process of Japanese tree frogs singing out of sync to solve computational problems in graphs and social networks. These algorithms, known as FrogCOL and FrogMIS, can identify independent sets of nodes and detect structural patterns in complex networks.
Aydin Farajidavar's grant will create a safe method to monitor stomach electrical impulses and rhythmic movements. The device, called WINGS, will be wirelessly recharged and transmit data on stomach signals to doctors.
Researchers at the University of Pennsylvania School of Medicine identified a previously unknown genomic landscape in Sezary syndrome, a rare and aggressive leukemia. The study reveals recurrent loss-of-function mutations in genes regulating epigenetic pathways, including ARID1A, which occurred in over 40% of the genome studied.
A new study reveals a sudden drop in the atmospheric concentration of a human-made ozone-destruction gas: HCFC-133a. Researchers explore the causes behind this decline and examine recent developments in U.S. policy addressing geomagnetically induced currents, as well as space weather and earthquakes.
A Yale University study found that varenicline was 46% more effective in women after three months of treatment, leading to higher abstinence rates. The drug's effectiveness for women may be due to differences in the nicotine receptor system in the brain.
A team of Singaporean scientists has identified the genetic landscape of fibroepithelial breast tumors, revealing how they progress from benign to cancerous types. The study's findings may improve diagnostic accuracy and enhance clinical intervention for patients with these tumors.
Researchers at CNIO have identified the role of SMC5/6 protein complex in cancer suppression and premature aging, revealing its importance in limiting carcinogenesis and promoting healthy lifespan. The study found that mutations in this complex can lead to tumours and accelerated aging in mice.
Research from Oregon State University found that college students who used marijuana or binge drank were more likely to engage in risky sexual behaviors, including unprotected sex. Students in serious relationships also had less condom use, despite putting themselves at risk for STIs and unplanned pregnancies.
Research published in the British Journal of Sports Medicine found that exercising up to five times a week before pregnancy can help prevent pelvic girdle pain. High-impact activities like jogging and ball games were most beneficial.
Intermountain Healthcare implemented a blood ordering and tracking system, reducing blood transfusions by 30% and infections by 50%, saving $2.5 million over two years. The program also decreased the need for dual-unit blood orders, a common practice that suppressed recipients' immune systems.
A new CSIRO study provides an unprecedented understanding of water resources in Western Australia's Pilbara region, shedding light on local water systems and climate change impacts. The research helps water managers plan for future use in a resource-rich area with environmental assets.
A study found that European health regulations led to a significant change in the Galician wolf's diet, with a decrease in carrion consumption and an increase in the consumption of wild ungulates like roe deer and wild boars. The wolves' dietary shift has implications for their conservation and coexistence with humans.
Research reveals that babies born extremely premature may benefit from comprehensive perinatal and neonatal care. Sixty infants survived to hospital discharge, with more than half having little to no neurological complications by 18-22 months.
A recent study has found a strong association between prenatal exposure to common flame retardants and attention problems in children aged three through seven. The researchers followed 210 mother-child pairs from birth through early childhood and assessed child behavior using standardized rating scales, revealing that those with the hi...
New Danish research reveals that wastewater treatment plants contain a vast pool of genes providing bacteria with antimicrobial resistance, but these genes are rarely found in hazardous bacteria. The study challenges the common perception that wastewater treatment plants are hotbeds for the spread of antimicrobial resistance genes.