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.
Research analyzed over 100,000 patients with stage IV non-small cell lung cancer and found a modest but statistically significant improvement in one-year and two-year overall survival rates from 13.2% to 19.4% and 4.5% to 7.8%, respectively.
A new review article highlights the importance of detailed diagnosis for talus fractures, which are commonly misdiagnosed due to complex anatomy and subtle radiographic clues. By recognizing these injuries and providing targeted treatment, patients can avoid permanent disability and improve outcomes.
Researchers at Ohio State University have developed a tumor-attacking virus that kills brain-tumor cells and blocks the growth of new tumor blood vessels. The virus, called RAMBO, was tested in animal models and showed promise in treating aggressive brain cancer with a survival rate of 54 days.
Mid-infrared laser breakthroughs to 120 watts, boosting infrared countermeasures for aircraft protection. Researchers developed QCL devices resistant to filamentation, increasing peak output power and ridge width.
Researchers found that a prolonged exposure to TGF-ß1 causes cancer cells to become even more aggressive and likely to spread. A potential treatment, nutlin3, blocks the cancer-causing effects of long-term TGF-ß1 exposure, preventing metastasis and killing cancer cells.
The Chang'E-1 orbiter has provided significant insights into the moon's surface topography, gravity fields, and interior structures. Researchers have discovered impact basins, volcanic deposit highlands, and a massive mascon in the South Pole-Aitken basin.
A new study by Northwestern University found that ethnic pride is crucial for the mental well-being of young African-American adolescents. The research discovered that increased feelings of ethnic pride are associated with reduced depressive symptoms in both male and female students.
A study found that patients with a specific gene variant are twice as likely to develop congestive heart failure, suggesting a genetic link between vitamin D action and heart disease. The research analyzed the genetic profiles of 617 subjects and identified a critical enzyme associated with the development of congestive heart failure.
New live cell imaging techniques allow researchers to visualize dynamic changes in living cells, providing insights into biological processes. The application of computational image processing is also crucial for extracting meaningful data from this type of imaging.
Researchers found that mice deficient in a gene required for autophagy develop muscle atrophy and weakening, resembling certain diseases. Maintaining normal autophagy levels is crucial to clear away damaged cells and prevent muscle weakness with age.
Researchers found that gestational glucose intolerance during pregnancy predicts an increased likelihood of metabolic syndrome at 3 months postpartum. This study suggests women with this condition may be at high risk for future cardiovascular disease.
Despite increased availability of prescription antiplatelet medications, the overall use of blood-thinning agents among stroke survivors has plateaued. Aspirin remains the predominant agent used for secondary stroke prevention, with no improvements in antithrombotic agent usage over a 7-year period.
Researchers at North Carolina State University have created a new breed of antennas that can be bent, stretched, cut and twisted without breaking. These shape-shifting antennas use an alloy that remains liquid at room temperature, allowing them to retain their mechanical properties and tune into different frequencies by stretching.
A study found that patients with peripheral arterial disease (PAD) and no symptoms of heart disease are at high risk for cardiovascular events. Asymptomatic coronary artery disease was detected in 24% of PAD patients through non-invasive imaging, highlighting the need for extensive cardiovascular risk factor management.
A study by Dr. John Garry and Dr. Maria Lohan found that young men who perceive declining happiness with age are more likely to engage in risky health behaviors like binge drinking. The researchers analyzed data from over 1,000 citizens of Northern Ireland aged 15+, finding that just over half were categorized as binge drinkers.
A study found that insulin resistance in adolescents with type 1 diabetes affects heart and vessel function, as well as exercise capacity. The research suggests that addressing insulin resistance early on may help decrease cardiovascular morbidity and mortality in this population.
A new study by University of Missouri researchers found that well-informed citizens are less swayed by White House rhetoric, while the general public is more susceptible to manipulation. Simple and compelling language used by presidents can significantly increase public support for military actions overseas.
Research by Professor Yasuhiko Minokoshi and Dr. Tetsuya Shiuchi found that meals with sweet taste stimulation activate 'orexin' neurons, reducing blood glucose levels in mice. Pleasant eating habits may prevent hyperglycemia by activating orexin neurons.
Researchers found that healthy behaviors such as eating more fruits and vegetables, exercising regularly, and self-weighing were associated with successful weight loss. Unhealthy weight control behaviors, including laxatives and fasting, were not linked to weight loss in adolescents.
Marine aquaculture has the potential to meet global food demand as freshwater resources are limited and terrestrial agriculture struggles. Expanding marine aquaculture operations using low-on-the-food-chain organisms like plankton and algae can achieve sustainable growth.
A study using fMRI revealed that adults exposed to lead as children incur permanent brain injury, with distinct areas of the brain affected differently. Lead exposure has been associated with diminished IQ, poor academic performance, and increased risk of criminal behavior.
A recent study found that more than 1,013 US patients are admitted to hospitals each year with aviation-related injuries, including lower limb fractures as a common injury among passengers and parachutists. The study highlights the need for improved aircraft design to prevent these injuries.
A new study published in the Journal of the American Dietetic Association found that adolescents who successfully lost weight reported using six or more healthy weight control behaviors, such as eating more fruits and vegetables and exercising regularly. In contrast, those who did not lose weight relied less on structured behavior stra...
Researchers found that 71% of participants reported dreamlike mental content associated with sleepwalking or sleep terrors, often involving unpleasant emotions like fear or terror. The study also suggests that adults with these sleep disorders may be acting out dreamlike thoughts during episodes.
NASA's CloudSat satellite noticed a drop in Typhoon Nida's cloud tops from over 9 miles high to around 8 miles high, indicating less powerful thunderstorms and weakening winds. The storm has zigzagged between 18 and 20 degrees North Latitude, moving west, then east, and now back in a westward direction.
Researchers at Helmholtz Munich have discovered a new source of nerve cell generation in the adult brain, specifically in the olfactory bulb. This discovery may lead to new therapeutic approaches for Alzheimer's disease, where nerve cell degeneration plays a crucial role.
A U.S. Geological Survey scientist is using a satellite collar on a North Pole wolf named Brutus to learn about the Arctic wolves' behavior in winter. The collar collects and stores locations every day, which are then emailed to researchers, allowing them to track the wolf's movements and habitat use.
In a surprising finding, some marine organisms like crabs, shrimp, and lobsters build more shells when exposed to ocean acidification caused by elevated levels of atmospheric carbon dioxide. This may be due to the increased availability of dissolved inorganic carbon, which is beneficial for their skeleton formation.
Researchers found that antipsychotic medications increase levels of inflammatory markers, contributing to the risk of diabetes, hypertension, and heart disease in patients. The study highlights the need for monitoring cardiovascular risk markers in antipsychotic-treated patients.
A team of Wistar Institute researchers has identified a 29-gene signature in the blood that can indicate the presence of non-small cell lung cancer at its earliest stages. This discovery could lead to the development of a simple blood test for early-stage lung cancer detection, which would greatly improve treatment outcomes.
High urea levels in chronic kidney failure have been found to be toxic, leading researchers to suggest a potential new treatment strategy. Antioxidant therapy was shown to restore insulin sensitivity in mice with end-stage kidney disease. Similarly, targeting the molecular link Mdm2 may help prevent progression of late-stage metastatic...
A recent study suggests that mammography screening in young women with genetic or familial predisposition to breast cancer may increase their breast cancer risk. The study found that repeated exposure to low-dose radiation increases breast cancer risk among these women, particularly those under age 20 or with five or more exposures.
Research suggests that pushing toddlers to develop self-control too early may hinder brain development. Toddlers rely on brute-force competition to learn social conventions like language acquisition. Their immature brains are better equipped for learning through trial and error, allowing them to pick up skills effortlessly.
Researchers found that patients with high immune response during surgery recovered faster and had better knee function. Men were more likely to mount the beneficial stress response, leading to full recovery. The study suggests simple blood tests could predict patient recovery months after surgery.
Yehezkel Ben-Ari, founder of Inmed Mediterranean Institute of Neurobiology, receives the 2009 INSERM Grand Prix for his pioneering discoveries in brain maturation, epilepsy, and stroke. He is recognized for his contributions to fundamental, clinical, and therapeutic research.
Researchers found that lonely people tend to share their loneliness with others, gradually moving to the fringes of social networks. As a result, these individuals become less connected and more isolated.
A study found that morphologic changes on CT scans after bevacizumab-containing chemotherapy can predict overall survival in patients with stage IV colorectal cancer. The changes, including tumor size reduction and unique structural alterations, were strongly correlated with pathologic response and improved survival.
A new online program, Focus on Kids Online, helps separated parents build stronger relationships with their children. The program's effectiveness has been shown through improved parent-child relationships and awareness of separation-related problems.
Researchers found that anxiety sensitivity significantly predicted depression symptoms in above-average worriers. The fear of cognitive dyscontrol and publically observable anxiety symptoms specifically correlated with depression. Understanding this link may lead to new depression treatments by addressing anxiety sensitivity.
A study of 1,140 healthy young adults found that dream-enacting behaviors are more prevalent than previously thought. The most common behavior was 'fear,' followed by acting out emotions like anger and happiness.