Researchers have discovered that fruit flies can be used as a simpler and more convenient animal model for studying the effects of cocaine and other drugs on the brain. The study, published in ACS Chemical Neuroscience, found that fruit flies can accurately replicate the physiological effects of these substances.
Researchers at NASA's Langley Research Center and the Department of Energy's Thomas Jefferson National Accelerator Facility developed a new technique to synthesize high-quality boron-nitride nanotubes, opening doors for various applications. The first practical macroscopic yarns were created using lasers, with potential uses in radiati...
A clinical trial found annual ultrasound screening significantly improves early breast cancer detection in women with dense breasts, while MRI increases sensitivity but also false-positive findings. The study suggests annual ultrasound as a suitable alternative to expensive MRI for these women.
The Louisiana Tech team is part of the ATLAS collaboration for the Large Hadron Collider, investigating new physics beyond the Standard Model. They have directly contributed to data quality software development and will analyze the data to make important discoveries.
A new study funded by the Wellcome Trust suggests that getting the correct balance of proteins in our diet may be more important for healthy ageing than reducing calories. Researchers found that varying the amount of amino acids in a diet can affect lifespan and fertility, with certain amino acids being crucial to maximising both.
Researchers found that the parasitic protozoan Ich hosts two new species of intracellular bacteria: Bacteroides and Rickettsia. These bacteria are usually free-living, but in Ich, they represent a new symbiotic relationship.
A recent study published in Reproductive Biology and Endocrinology found that sperm from men with non-obstructive azoospermia are equally capable of producing embryos through intracytoplasmic sperm injection (ICSI). The study also showed that there were no significant differences in implantation rates or clinical pregnancy rates betwee...
A new study uses a computer program to simulate movement of hair-like cellular projections, revealing how molecular motors generate cyclical motion. The research opens a new door to understanding motor molecules by simulating the sliding motion between doublets, which causes oscillatory bending of flagella.
A new study suggests that adult stem cells can differentiate into heart cells to repair damage, offering a promising new treatment for heart attack patients. The Phase I trial showed significant improvements in heart function and reduced arrhythmias after administration of the stem cells.
Healthcare professionals using a team approach saw significant improvements in treating patients having a heart attack, reducing door-to-balloon times by more than half since 2005. The study, published in the Journal of the American College of Cardiology, found widespread adoption of strategies to improve care across the nation.
Scientists identified a rare type of star that likely exploded into the observed superbright supernova, SN 2007bi. The discovery reveals details about the extreme heat and pressure conditions in the star's core.
Dr. Donald F. Steiner has made significant contributions to understanding insulin secretion and glucose metabolism, including the discovery of proinsulin and clinical applications of C-peptide radioimmunoassay. He will receive a Certificate of Honor and US$150,000 in recognition of his outstanding research achievements.
Researchers found that male birds' songs with higher pitches are associated with greater genetic diversity, making them more attractive mates. The study suggests that females can pick up on the pitch of males' songs to decide which birds will make the best mates.
A new fossil species, Kombuisia antarctica, discovered in Antarctica, reveals that some land animals may have survived the end-Permian extinction by living in cooler climates. The discovery fills a gap in the fossil record and contributes to understanding of vertebrate survival during this mass extinction event.
A recent study by Michigan Medicine found that only 7.6% of cardiac arrest victims survive, with factors such as restored pulse and bystander CPR significantly improving survival rates. Experts emphasize the need for increased awareness and use of devices to shock the heart to change these dismal survival rates.
A U-M study found that only 6% of high-risk women were likely to take tamoxifen, a drug proven to prevent breast cancer, due to concerns over side effects. The decision aid provided tailored information about the drug's risks and benefits, improving understanding but not changing behavior.
Dr. Shiaw-Yih Lin's research focuses on the DNA damage response, exploring its crucial component replication stress response or RSR. His team aims to identify biomarkers for early detection of defective RSR and develop targeted nanoparticles for diagnosis and treatment.
Researchers developed new computerized surveillance algorithms using algebraic theories to improve object and target detection. The technology reduces manual review time by 99%, enhancing image analysis capabilities.
A study by Irina Stepanov and colleagues found that moist snuff contains at least eight polycyclic aromatic hydrocarbons, nine of which are classified as carcinogens. The presence of these toxicants in smokeless tobacco may contribute to increased risk of cancer and other health issues.
A longitudinal study found that sleep changes occur before puberty physical changes in children, with delayed sleep onset and reduced sleep time. Parents and educators can play a crucial role in helping children prioritize sleep as they grow.
The TacSat-4 spacecraft has completed environmental and performance testing, awaiting launch. The mission provides near global coverage of Ultra High Frequency (UHF) channels for communications, data exfiltration, and Blue Force Tracking.
The discovery of massive methane pits in the Hudson Canyon has significant implications for the region's marine ecosystem. The pits, found by Rutgers University and NOAA researchers using a robotic underwater vehicle, are believed to be related to the dissolution of gas hydrates and could support a diverse range of fish species.
Scientists have observed ion channels within the surface membrane of cells for the first time, improving our understanding of how signals travel among neurons. This discovery may lead to a complete picture of how ion channels function and could have implications for future drug development.
Researchers develop procedure for 3D reconstruction of crime scenes using single photograph, overcoming limitation of requiring at least two images.
A retrospective study found that 52.1% of overweight adolescents had spine abnormalities, with most occurring within the discs. The study suggests a strong relationship between increased BMI in children and the incidence of lumbar disc disease.
A new forensic technique can identify shark species by analyzing bite patterns, helping researchers understand the behavioral underpinnings of shark attacks. The method uses measured jaw circumference and tooth distance to distinguish between species like tiger sharks and bull sharks.
A recent study found that MRI is highly accurate in detecting placenta accreta, a condition where the placenta attaches too deeply to the uterus. The condition can lead to severe bleeding and maternal death if not diagnosed early. With an accuracy rate of 90.1%, MRI has become a valuable tool in prenatal care.
Researchers analyzed CT scans of 50 surgical patients with metastatic colorectal cancer to predict overall survival. The findings showed that morphologic changes on CT images correlated with pathologic response and improved survival.
Scientists at the University of Bonn have discovered a way to turn on the 'natural heating system' in brown fat cells, which can lead to increased energy expenditure and reduced body weight. By activating this mechanism, it may be possible to fight obesity with fat.
Researchers found that good taste and pleasant meals stimulate muscle glucose uptake and decrease blood glucose levels. Orexin is involved in the regulation of muscle glucose metabolism, suggesting a potential role in controlling feeding behavior and blood sugar levels.
A new study uses DNA forensic tools to track scalloped hammerhead shark fins sold in the Hong Kong market, tracing them back to their geographic origin. The research highlights the need for international protection and conservation efforts to safeguard these endangered species.
The Georgia Institute of Technology has been awarded a $10.5 million U.S. Air Force Center of Excellence to design nanostructures for energy harvesting and adaptive materials. The center will focus on developing tools to optimize critical cognitive processes of the modern warfighter.
Researchers found that a combination of single photon emission computed tomography (SPECT) and low-dose CT provided accurate diagnoses with high sensitivity and specificity. The study suggests that this technique may improve patient outcomes by reducing the mortality rate associated with untreated pulmonary embolism.
A recent study found that low-dose aspirin may offer mild protection from AMD, reducing the risk by 18% in women who took the medication. However, statins did not show a significant impact on advanced AMD risk, with patients taking statins actually at a slightly higher risk of developing advanced disease.
A new study released on World AIDS Day found that viral failure was twice as likely among patients given Epzicom when compared to those treated with Truvada, especially in those starting therapy with high viral loads. The study also showed a shorter time to virologic failure and adverse events for patients taking Truvada.
Researchers found that copper surfaces had significantly fewer live bacteria than conventional surfaces, with one study showing a 71% reduction. Copper-based disinfectants also showed effective antimicrobial properties, continuing to kill germs for the rest of the day.
A new study found that hospital price transparency laws in California are ineffective, with only 28% of hospitals responding as required by state law. The research team received inaccurate or incomplete price quotes from most hospitals, which often exceeded the allowed prices under California law.
A team of NIST researchers has created a nanotube-antibody combination to detect and destroy aggressive HER2 breast cancer cells, with nearly 100% eradication rates in laboratory tests. The technique uses near-infrared laser light to target and incinerate the cancer cells.
A new study published in the Journal of Bone and Joint Surgery found that patients undergoing surgery within three weeks of a multiple-ligament knee injury have comparable outcomes to those who undergo delayed surgery. Early mobility is also associated with better outcomes than immobilization in patients treated within this timeframe.
An international study found that 51% of ICU patients were infected, with lung infections accounting for 64%, and infection rates varied by region and healthcare expenditure
A unified approach to caring for extremely premature infants in the first week of life resulted in improved patient outcomes, including a decrease in hospital stay duration. Infants treated using small baby guidelines showed higher survival rates without complications like bronchopulmonary dysplasia and severe intraventricular hemorrhage.
NTDs like anemia, schistosomiasis, and human hookworm infection impair reproductive health and increase the transmission of STIs. Controlling these diseases can improve maternal health outcomes, reduce infant mortality, and promote gender equality.
Researchers at NIST and Naval Research Laboratory create a technique to selectively implant atoms in crystals, enabling study of electrical and magnetic properties on an atomic scale. This development is crucial for spintronics, electronic devices that utilize electron spin instead of charge for storing information.
The Forsyth Institute receives the William J. Gies Award for outstanding achievements in oral health and education. The Institute has been a leading independent research organization since 1910, contributing significantly to dental education and scholarship.
Bone marrow transplantation can cause immune deficiency, leading to infections and cancer recurrence due to thymic damage from donor T cells. Research identified key molecules FasL and TRAIL required for this damage, offering potential targets to improve allo-BMT outcomes.
A Phase II clinical study found that OptiNose's novel device delivered significant reductions in polyp size and improvements in symptoms, including facial pressure, nasal obstruction, and sense of smell. The treatment resulted in a substantial proportion of patients experiencing complete removal of polyps.
A recent study found that herbivorous ant species host bacteria from the Rhizobiales order, which facilitate nitrogen fixation and enrich their diets. This symbiotic relationship enables these ants to thrive on nutrient-poor plant-based diets.
Researchers have successfully created the first transgenic prairie voles, allowing them to investigate the genetic mechanisms of social bonding and its impact on psychiatric disorders. This advancement may lead to new treatments for impairments in social behavior.
A team of researchers found that high levels of urea produce toxic molecules in fat cells, leading to insulin resistance and characteristics of end-stage kidney disease. Blocking the effects of high urea levels may improve quality of life and lifespan for individuals with chronic kidney failure.
University of Missouri researchers found that aspirin and Tylenol block enzymes that inhibit vaccines. This could lead to reduced antibody responses and decreased protection against infections.
Researchers found a way to turn ineffective cancer drugs into effective fighters using their patented chemical compound, SHetA2. The compound tricks cancer cells into responding to new treatments and undergoing cell suicide without harming normal cells.
Researchers have found that the protein ERK cycles between the nucleus and cell proper in breast tissue cells, affecting cell growth and response to growth factors. The oscillations were regular and robust, providing a new insight into the internal signals controlling cell behavior.
Increased Mdm2 expression drives more aggressive cancer characteristics in late-stage breast cancers. Targeting Mdm2 may help prevent progression of the disease.
The November issue of Reproductive Health Matters explores the complex relationship between criminalization and HIV transmission, raising concerns about women's rights in Africa. The journal examines how laws aimed at protecting women from sexual violence may inadvertently lead to their prosecution for HIV exposure.
Researchers at USC School of Dentistry have successfully reversed a cleft palate in fetal mice by regulating signaling molecules. The study's findings suggest that close monitoring and regulation of the protein Shh during palate formation may one day allow for non-surgical reversal before birth.
Research from University of Texas at Austin psychologist Sam Gosling finds that Facebook profiles accurately reflect users' actual personality characteristics, rather than idealized versions. This discovery challenges the assumption that people present a curated version of themselves online.
Early flowering plants gained a competitive advantage through efficient leaf hydraulic systems, increasing photosynthetic capacity. This evolutionary step was triggered by low atmospheric CO2 levels and led to their dominance of land ecosystems.
Researchers found female mice created from two mothers but no father lived significantly longer than normal mice, living up to a third longer on average. The findings suggest that sperm genes may have a detrimental effect on lifespan in mammals.
Researchers used high-frequency ultrasound with elastography to identify skin cancer with high accuracy, distinguishing between malignant and benign lesions by measuring their elasticity. This non-invasive procedure can aid physicians in treatment and reduce the number of unnecessary biopsies of benign skin lesions.
A five-year study shows enzyme replacement therapy reduces left ventricular mass index by around 10% and improves midwall fractional shortening in patients with baseline cardiac hypertrophy. The treatment also significantly improves average pain and quality of life scores.