Researchers found that tufted capuchin monkeys performed similarly to humans in making decisions under uncertainty, but also made similar mistakes. The study sheds light on the evolutionary origins of human economic behavior and its implications for understanding consumer decision-making.
Cellular behavior exhibits properties of both solid and fluid states, with researchers finding novel nanotechnologies that reveal the fundamental physical laws governing cell mechanics. This discovery offers a new perspective on mechanisms of disease, including airway narrowing in asthma and vessel narrowing in vascular disease.
Researchers have found evidence of photosynthesis deep within the ocean, with green sulfur bacteria thriving near hydrothermal vents. This discovery expands our understanding of life's resilience and potential for existence on other planets.
Childhood sexual abuse survivors from families with rigid gender roles and poor communication often faced social isolation, making it difficult for them to disclose the abuse. Only 40% of participants disclosed during childhood, underscoring the need for professionals to cultivate skills to detect subtle cues.
A recent UCLA study has found a significant association between obesity and impaired coronary circulatory function, highlighting the importance of early detection and monitoring. Quantitative PET imaging may help identify at-risk individuals, enabling targeted interventions to prevent cardiovascular events.
A recent study using fruit flies has revealed the role of the dFMRP protein in regulating actin dynamics, which is crucial for neuron formation. This research holds promise for a better understanding of fragile-X-syndrome and brain development.
Researchers used SPECT imaging to evaluate the effectiveness of stem cell therapy in patients with coronary heart disease. The study found that stem cells improved damaged heart function, surpassing improvements from increased blood flow to the affected area.
Researchers found that cells in the caudal region of the suprachiasmatic nuclei (SCN) synchronize their gene-expression rhythms to dawn, while those in the rostral SCN exhibit an opposite response. This suggests that synchronous gene expression may be a hallmark of short-day acclimation, while regional de-synchrony increases on long days.
A study using PET scans found that cognitive behavioral therapy alters brain chemistry in patients with bulimia nervosa, particularly in regions related to feeding and reward. The results suggest a relationship between opioid receptors and bulimic behavior, potentially informing more effective treatment strategies.
A recent study suggests that Cyr61 gene therapy may be effective in treating severe myocardial ischemic disease by inducing the growth of new blood vessels. The research found potent stimulation of myocardial angiogenesis, a novel gene therapeutic approach, using Cyr61 in a porcine model of chronic myocardial ischemia.
Researchers found that brain predicts and attenuates internally-derived sensations to prioritize external stimuli. The study suggests an element of prediction is involved in attenuating internal sensations, making external touches more detectable.
A German-developed expert system enhances the diagnostic accuracy of Alzheimer's disease using FDG PET scans. The system, which was tested in 150 cases, helps inexperienced physicians diagnose Alzheimer's and differentiate it from other dementia disorders.
Researchers argue that oxygen-rich atmospheres are essential for complex life to exist. However, since levels of oxygen won't have had time to develop sufficiently before a sun dies, life may not be able to evolve on planets orbiting short-lived suns.
Scientists have successfully developed ovarian structures containing eggs from embryonic stem cells, a breakthrough that could provide new hope for infertile couples. The method uses growth factors derived from testicular cells to induce the development of female reproductive cells.
Researchers have discovered a new enzyme family that plays a role in Alzheimer's disease, generating toxic molecules called amyloid-beta peptides. The study uses genetically-engineered mice to show that the toxic activity of this enzyme can be separated from its other benign activities.
Researchers at Johns Hopkins Medicine have successfully grown human stem cells in a lab setting that mirrors the natural developmental process of blood cells. The study provides unprecedented insight into how stem cells specialize into blood cells, shedding light on the mechanisms behind leukemia and lymphoma.
Acute respiratory distress syndrome (ARDS) can be predicted using PET scans in trauma patients, allowing for early treatment with aggressive immune modulation therapy. This method has the potential to reduce mortality rates and improve patient outcomes.
Researchers at the University of Illinois discovered that macromolecules on the surface can modify the mobility of underlying lipids in phospholipid bilayers. The adsorption of larger polymers slows down lipid movement, while smaller ones have a minimal effect.
A nationwide Canadian study found that 5.5% of surveyed Canadians are very afraid of visiting the dentist, leading to over 400,000 people missing annual appointments and 1.5 million cancelled or avoided appointments at some point in their lives. Increased use of general anesthesia or sedation may be a potential remedy for this issue.
Researchers found that zebrafish embryos with human metastatic melanoma cells suppress tumor development, suggesting potential for new cancer therapies. The study provides a powerful model for investigating tumor-microenvironment interactions and reversing the aggressive phenotype of cancer cells.
Researchers propose a new magnetic herding technique that manipulates colloidal objects using magnetism, offering flexibility and convenience over existing methods. The technique has potential applications in biosensors, medical diagnostic devices, and microelectronic components.
A randomized controlled trial found that liposomal lidocaine significantly improved cannulation success rates and reduced pain and procedure time in children. The study suggests that liposomal lidocaine can be recommended for cutaneous analgesia in children, providing a promising new approach to pediatric procedural care.
A study published by Massachusetts General Hospital found that radiofrequency ablation (RFA) is an effective long-term treatment for kidney tumors, with success rates of 100% for surface tumors and 78% for central tumors. The procedure has been used to treat over 100 renal cell carcinomas in 85 patients with similar results.
Researchers found that patients with Barrett mucosa had tumors diagnosed earlier, were smaller in size, and had a better five-year survival rate. Conversely, adenocarcinomas without detectable Barrett epithelium may be more advanced stages of the same disease, leading to poorer outcomes.
A University of Toronto study found that upgrading to R2000 homes can save up to $818 a year in energy costs. Homeowners can generate an annual cash flow of $423 by increasing mortgage payments, making energy-efficient homes a financially attractive option.
A new scoring system, ABCD, predicts the risk of stroke within 7 days of a 'mini-stroke'. The system helps identify high-risk individuals who require emergency investigation and treatment. Most strokes in the UK occur in patients who have been referred to hospital clinics but not seen.
A new study found that ramelteon helped adults with chronic insomnia fall asleep faster and sleep longer, while also demonstrating no abuse potential or behavioral impairment. Ramelteon works by targeting two brain receptors, MT1 and MT2, to regulate the body's circadian rhythms.
The Gamma Medica imaging system enables researchers to use PET only, CT only, or a combination of modalities, allowing for flexibility and efficiency in research objectives. This tri-modality system is expected to speed up the development of life-saving drugs by enabling faster and more efficient work.
Researchers have successfully cloned mice using direct nuclear transfer from terminally differentiated natural killer T cells. The cloned pups and their placentas exhibit rearranged T cell receptor genomic loci specific to NKT cells, demonstrating that fully differentiated cell nuclei can support embryo and placenta development.
Researchers improve measurement of Casimir force, influencing small objects more than gravity, with implications for nanotechnologists. The study confirms gravity behaves as expected, ruling out exceptions to Newton's theories.
A study published by the European Society of Human Reproduction and Embryology found that babies born after SET (single embryo transfer) in IVF pregnancies have similar birth weights, gestational ages, and stillbirth rates to those conceived naturally. However, SET pregnancies reported more hypertension.
A study found that damage to sperm DNA significantly increases with age, particularly in men over 45 years old, affecting their fertility potential. Researchers highlight the importance of assessing DNA damage in older men seeking fertility treatment.
Researchers have developed artificial sensory hair systems inspired by crickets' cerci, which can detect low-frequency sound with high sensitivity and directivity. The artificial hairs are energy-efficient and show potential applications in various fields such as sensor networks and aerodynamics.
Researchers have made advances in nuclear medicine, providing alternatives to traditional chemotherapy treatment for non-Hodgkin's lymphoma patients. The new treatments showed improved response rates and durations, exceeding those following chemotherapy, and offer a personalized dose option.
A study by Carla Cesaroni found that 10-15% of incarcerated male youth experience stress in custody due to vulnerabilities and institutional factors. Institutions can play a critical role in fostering a pro-social environment and improving rehabilitation outcomes.
Researchers developed mathematical model to estimate probability of drug-resistant mutant cells and identify optimal combination of three drugs. The model suggests a 'cocktail' approach is needed to reduce treatment failure rates, improving outcomes for patients with CML.
Athanasiou receives the inaugural award from ASME for his groundbreaking research and mentorship in bioengineering. He has published over 150 papers, holds 25 patents, and founded three companies with FDA-approved products.
A large study comparing thalidomide and traditional chemotherapy in multiple myeloma patients found that thalidomide was more effective, with 76% of patients achieving at least partial remission. The treatment also had fewer side effects, particularly deep vein thrombosis compared to granulocytopenia.
Researchers discovered a virus-like bacteriophage inserted into genetic material of hyperinvasive N. meningitidis strains, making them more likely to cause disease. The stowaway may help bacteria enter bloodstream, disrupting immune response.
Researchers at Arizona State University have created unique arrays of proteins tethered onto self-assembled DNA nanostructures. By controlling the exact position and location of chemical bases within a synthetic replica of DNA, a novel approach to attaching biomolecules has been achieved.
Researchers from Munich discovered that sequential FDG-PET can identify responding tumors after just one cycle of chemotherapy, allowing for earlier assessment of treatment efficacy. This could lead to more accurate individualized treatment and improved patient outcomes.
Researchers found that bumblebees choose flowers based on the choices of other bees, especially when encountering unfamiliar plant species. This behavior suggests an efficient shortcut to success, and provides new insights into the complexity of insect foraging behavior.
Researchers found a correlation between delusion strength and 'world motion' perception in schizophrenia patients. This supports the view that delusions may be caused by an inability to attribute agency to sensory experiences.
The book, Studying Teacher Education, examines the links between teacher preparation and student learning, highlighting key findings such as a correlation between math study and high school pupils' math learning. AERA suggests expanding research on teacher quality beyond standardized test scores.
A study found that prednisolone significantly reduces uNK cell numbers in the endometrium, potentially offering new hope for women with recurrent miscarriages. The treatment's effectiveness is still unclear, as it was only tested for three weeks and longer-term results are needed.
The Cleveland Clinic Health System has implemented a mobile PET/CT unit, providing on-site cancer diagnosis to patients in need. The cooperative efforts of all involved hospitals have made the service a successful operation.
Researchers identified a unique genetic pattern in 8 women over 45 who conceived spontaneously, involved in apoptosis and DNA repair mechanisms. This genetic predisposition may help protect against age-related ovary damage, allowing some women to remain fertile until menopause.
A recent study found that caffeine intake can significantly affect myocardial uptake on PET/CT scans, making it harder to detect lesions near the heart. Researchers recommend avoiding caffeine and exercise before imaging to ensure a clear view of the body.
Researchers have successfully applied a novel PET/CT technique to characterize the effects of a gene therapy intervention in animal models, demonstrating its potential for improving cardiac health. The study showed that successful transfer of a VEGF gene resulted in increased tissue perfusion without impairing cardiac function.
The number of new melanoma cases in the US increased 60% from 1988-1991 to 1996-1999, with thick melanomas primarily composed of nodular subtype. The study suggests that current early-detection educational programs may not be effective for detecting this aggressive type of melanoma.
A new study by Cornell University finds that acting violently can be protective against the effects of community violence among adolescent males, but not females. The research suggests that exposure to community violence is a widespread risk factor for emotional and behavioral problems.
A recent study by the European Society of Human Reproduction and Embryology found that while Beckwith-Widermann syndrome had a significant risk for children conceived through ART, no significantly higher rates of other disorders were observed in children born after ART apart from BWS. The researchers also identified a possible mechanis...
Biblical scholarship must move beyond 'reverential antiquarianism' to make meaningful connections with modern society. Professor Bradley McLean argues that classical and biblical studies are using outdated approaches, resulting in limited funding and public interest.
Researchers have developed a new method to obtain embryonic stem cells from early-stage embryos, potentially reducing embryo wastage. The technique was successful in mice and shows promise for human application.
A recent study published in the Journal of Nutrition found that individuals with elevated C-reactive protein (CRP) levels cannot lower their LDL-cholesterol numbers with a Step 1 diet, even when soy protein is added. The study suggests that habitual consumption of a Step 1 diet may be beneficial for those with low CRP levels but delete...
Researchers investigated 24 mangrove sites in Sri Lanka and found that mangroves offered protection from tsunami waves, but pre-tsunami degradation had a profound impact on damage. The study highlights the urgent need for early warning systems for mangrove degradation to save human lives and property.
A new topical pain cream has been shown to decrease pain during IV cannulation and even facilitate the procedure, leading to improved outcomes for children. The study, conducted at Sick Kids Hospital in Toronto, found that 74% of children who received the cream successfully had their IV inserted on first attempt.
Caffeine can increase heart activity, making it harder to see cancerous lesions on scans. Patients who consumed coffee before scans had higher myocardial uptake than those with low or no caffeine intake.
A study published in the Canadian Medical Association Journal found that levels of ischemia-modified albumin provided no useful information in predicting which patients with potential acute coronary syndrome would experience serious cardiac outcomes. The analysis suggests that prognosis may precede diagnosis in these cases.
Scientists at Sanford Burnham Prebys Institute have identified three lead compounds that inhibit anthrax lethal factor (LF) with high potency and selectivity. The compounds, when combined with antibiotics like Ciprofloxacin, showed a two-fold increase in survival rate for mice infected with anthrax spores.
A recent study published in The Lancet Oncology has found that keyhole surgery is a safe and effective option for treating colon cancer. Patients who underwent keyhole surgery had less blood loss, shorter hospital stays, and faster recovery times compared to those who received open surgery.
A study found that 46% of children with type 2 diabetes have a history of neuropsychiatric disease, highlighting the need for screening and scrutiny of medications. The researchers suggest that depression and other neuropsychiatric conditions may contribute to the development of type 2 diabetes.
A study found that smoking parents had a higher rate of disease-producing bacteria in their children compared to non-smoking parents. Bacterial interference against these pathogens was also less common in smoking parents' children.
Researchers at MIT have developed a novel approach to creating vascularized muscle tissue using a tri-culture scaffold composed of myoblasts, endothelial cells, and fibroblasts. The resulting implants showed improved integration with the host tissues and functioned in living mice and rats.
Researchers discovered that some abnormal embryos can self-correct in laboratory culture, producing high-quality stem cells. This breakthrough offers an alternative to creating embryos specifically for stem cell research, potentially resolving ethical concerns.
Physicians performing independent medical examinations (IMEs) still owe legal duties to patients, even without traditional relationships. The U.S. health care provider market is a key factor in rising health care costs, with strong market power driving high prices and quantity of medical services.
Kishore, a Lehigh University engineer, received the PECASE Award for developing an outreach program to provide wireless internet access to Susquehanna County. Her work focuses on designing optimal wireless communication infrastructure for rural areas with limited connectivity.
Researchers have made history by cloning human embryos using matured lab-grown eggs and non-autologous nuclear transfer. Eighteen out of 25 in vitro matured oocytes survived the process, with 11 developing into pronuclei.
A recent study found that patients with complete revascularization have significantly better long-term outcomes and a 70% lower chance of death within five years. The study also suggests using arterial grafts instead of veins for improved patient survival.
Researchers at Stanford University have found a connection between aging, infection, and leukemia in blood-forming stem cells. These cells were found to produce fewer immune cells and turn on cancer-causing genes, contributing to the development of certain types of leukemia.
Reproductive tourism in Europe allows for diverse ethical and religious views to coexist peacefully. The existing diversity in fertility laws enables people to seek treatment abroad, promoting personal freedom and democratic decision-making.
Researchers explore whether male fireflies' flashing lights have evolved to provide uninformative cues about male quality. They also examine the energy required for these displays and its potential impact on human communication.
A new study published in the Journal of Trauma found that pregnant women are at a higher risk of injury during the summer months due to common activities. The study, led by Dr. Donald Redelmeier, looked at data from Canadian hospitals between 1994 and 2001 and found a 12% increase in trauma cases during the summer.
Researchers from Virginia Tech's Freshwater Mussel Conservation Center have released several thousand cultivated mussels into the Clinch River as part of a replenishing project. The release aims to restore water quality and support aquatic life after a toxic spill in 1998 killed most aquatic life on that stretch of the river.