Scientists have identified a novel mechanism of memory loss in Alzheimer's disease and propose new therapeutic targets, including the production and release mechanisms of GABA in reactive astrocytes. A MAO-B inhibitor showed promise in treating Alzheimer's disease model mice for a short time.
A UCLA School of Nursing study found that 57% of young adults believe hookah smoking is not harmful to their health. Despite this, hookahs contain toxic chemicals and nicotine, posing serious health risks. The study aims to increase public knowledge on the dangers of hookah smoking among young adults.
A study found that variations in the TANC1 gene are associated with a greater risk of radiation-driven side effects in prostate cancer patients. The research team developed a predictive genomic test to optimize treatment plans, allowing for improved quality of life for many cancer survivors.
The Association of American Universities (AAU) has launched the AAU STEM Initiative Hub, a website providing resources for universities to showcase innovative efforts improving undergraduate STEM teaching. The hub will also profile efforts by eight AAU STEM Project Sites and provide a platform for sharing strategies and challenges.
A meta-analysis of 17 clinical trials found that early filiform needle acupuncture significantly improved depression symptoms and was safer than conventional medications. This study provides evidence for the effectiveness of acupuncture in managing poststroke depression.
A new study by Fraunhofer Institute explores the biomechanical loads resulting from collisions between robots and humans. Researchers use a pendulum to measure force, pressure distribution, and impact velocity to identify thresholds for injuries.
A Saint Louis University pediatrician is developing an educational video game to train military physicians on pediatric emergency room cases. The game-based tool aims to improve physicians' skills in treating life-threatening emergencies, with potential applications for humanitarian missions.
A study found that African American women with HIV struggle to manage age-related diseases, social responsibilities, and work-related changes. Researchers suggest increased prevalence of HIV among women of color is a growing concern by 2015.
The new journal aims to encourage scientific debate by sharing unpublished, negative study results. Published work will include research articles and short communications covering fundamental plant sciences.
Researchers evaluated 459 patients who underwent transcatheter valve-in-valve implantation for failed bioprosthetic aortic valves. The study found that survival rates were associated with surgical valve size and mechanism of failure, with patients experiencing better outcomes for regurgitation compared to stenosis.
A recent study of over 500,000 Danish women found no increased risk of venous thromboembolism following quadrivalent HPV vaccination. The research, published in JAMA, used data from national registers to evaluate the potential link between the vaccine and blood clots.
Researchers used extensive observations to develop the first high-resolution 3D model of the Homunculus Nebula, confirming features like arm-like protrusions and trenches. The new model suggests intense interactions between Eta Carinae's stars played a significant role in shaping the nebula.
Researchers have discovered that invading glioblastoma cells hijack cerebral blood vessels to extract nutrients, damaging the brain's protective barrier and potentially leading to new cancer treatments. This finding could enable earlier delivery of anti-invasive agents to attack tumor cells.
A new study found that underage drinkers between 18 and 20 years old are heavily exposed to magazine advertising for the alcohol brands they consume most frequently. The study suggests a relationship between exposure to alcohol ads and consumption of specific brands, particularly among young females.
Researchers will analyze data from 6,000 patients with Alzheimer's and 5,000 elderly individuals without the disease to identify rare genetic variants that may protect or contribute to risk. The project aims to develop novel approaches to delay or prevent Alzheimer's disease.
Researchers discovered that trace amounts of HCV RNA in successfully treated patients can be infectious. The study used an animal model to show that blood from these patients could cause HCV infection, which may be hard to detect due to delayed onset of disease.
Researchers used exceptionally preserved fossils and computer graphics to recreate the most likely walking gait of a 410-million-year-old arachnid. The study, published in the Journal of Paleontology, provides new insights into the evolution of early land animals.
A new study finds that minimally invasive surgery is underutilized in many US hospitals, with significant variability in procedure types and complication rates. The study suggests that differences in physician training and hospital practices contribute to this disparity.
A synchronized lock and dam system failed during a severe flood in April 2013, resulting in seven unmoored barges crashing into the dam. The incident caused significant damage to the navigation channel, flooding adjacent land and disrupting agricultural shipments.
New estimates suggest that over 650,000 children develop TB annually in high-burden countries, with India accounting for 27% of the total burden. The study highlights an enormous opportunity for preventive antibiotic treatment among exposed children to reduce the number of cases.
A study by Duke University scientists identified a highly virulent strain of Mucor circinelloides fungus in Chobani yogurt that caused severe symptoms in consumers. The researchers found that the fungus can survive passage through the gastrointestinal tract and produce a lethal systemic infection in diabetic mice.
The Environmental Crime Program Training (Project EnCriPT) offers a range of free, online courses on environmental enforcement and public health issues. These courses will help strengthen enforcement efforts across various levels and provide hands-on experience in processing hazardous materials scenes.
Researchers found genetically identical bacteria respond differently to sugars, exhibiting a wide range of behaviors. The study highlights the complexity of bacterial behaviors and their response to environmental conditions.
University of Iowa researchers have identified a biomarker that can predict preeclampsia at least 6 weeks into pregnancy, enabling early detection and potentially preventing severe health issues. The study's findings hold significant implications for obstetric care in rural and underserved communities.
Researchers at Rockefeller University developed the first model system to understand the DNA 'replication fork' process in eukaryotic cells. This breakthrough enables scientists to study the molecular tools involved in cell division and may have significant implications for human disease research, particularly cancer.
A new study in the Journal of Clinical Investigation identifies a specific gene expression profile and microbial community associated with Crohn's disease. Pediatric Crohn's disease patients exhibit altered expression of genes DUOX2 and APOA1, as well as a distinct microbial community.
Researchers at the Telescope Array observatory detected a disproportionate number of high-energy cosmic rays emanating from a specific area in the northern sky. The discovery provides a promising lead in identifying the sources of these enigmatic particles, which are believed to originate from beyond our galaxy.
Researchers at KAIST have developed TransWall, a two-sided, touchable, and transparent display wall. It allows users to collaborate via shared see-through displays and communicate through talking or touching each other.
A study found that genetic mutations in liver cells drive tumor formation in iCCA, with mutant proteins impairing liver cell development and increasing the risk of metastasis. Researchers discovered a potential treatment option by targeting IDH1/2 mutations, opening a new line of investigation for biomarkers and life-saving decisions.
Patients with possible common duct stones who underwent immediate laparoscopic cholecystectomy had a shorter median length of hospital stay compared to those who received endoscopic evaluation first. The study found fewer common duct investigations in the former group, with no significant difference in illness or quality of life measures.
Typhoon Neoguri was analyzed by NASA's Aqua, TRMM, and CloudSat satellites, gathering data on its eye wall structure, cloud heights, and rainfall rates. The storm showed a large eye with meso vorticies and moderate to heavy rainfall south of the eyewall.
A study led by Michigan State University found a positive economic impact of the Travel Promotion Act, increasing the value of the hospitality industry by $1 billion. The program is associated with an increase in hotel firm values and may lead to expansion and job creation.
A study published in JAMA found that combining varenicline with nicotine replacement therapy significantly improved smoking cessation rates at 6 months compared to varenicline alone. The combination treatment resulted in higher continuous abstinence and point prevalence abstinence rates, but also more side effects.
A mid-level solar flare peaked at 12:20 p.m. EDT on July 8, 2014, and was captured by NASA's Solar Dynamics Observatory. The event had an M6.5-class rating and may have affected Earth's atmosphere, potentially disturbing GPS and communications signals.
Researchers developed a porous silicon material to replace traditional graphite in lithium-ion batteries, allowing for more energy storage capacity and longer runtime. The new material maintained over 80% of its initial capacity after 1,000 charge-and-discharge cycles.
A study published in Nature Communications found that around half of the genes influencing reading ability also impact mathematics skills. The research suggests a substantial overlap in genetic variants affecting both traits, with complex interactions between genetics and learning environment playing a crucial role.
A new study reveals that underage drinkers are disproportionately exposed to the brand names of their preferred alcohols in magazine ads, which may encourage drinking initiation. The findings suggest that industry self-regulatory guidelines are inadequate in limiting ad placements to minimize exposure to young readers.
A recent study published at Experimental Biology 2014 demonstrated the long-term efficacy of KoACT in reducing bone loss in post-menopausal women. The supplement, which combines a proprietary formulation of calcium and collagen, prevented whole body bone mineral density loss at twelve months compared to a control group.
Working memory skills in children are linked strongly to reading and academic achievement. The study found that a child's ability to hold and work with information predicted success in all aspects of learning, regardless of IQ or socio-economic status.
A new study finds that sibling obesity is more strongly associated with a child's risk of obesity than parental obesity, particularly among same-gender siblings. The risk is more than five times greater when an obese sibling is present, and physical activity levels can mitigate this effect.
A team of researchers at Brown University developed a wireless virtual reality system to study how pedestrians interact with each other and how their individual behaviors generate patterns of crowd movement. The system, which allows for the creation of virtual crowds, has shown that people tend to match the speed and direction of their...
Tropical Storm Fausto strengthened quickly after forming as Tropical Depression Six-E on July 7. Satellite imagery shows the storm being pursued by a developing area of low pressure to its east, with NOAA's GOES-West satellite capturing the scene.
A group of scientists have revealed the structure of two proteins involved in liver and colon cancers, opening up research opportunities for drugs that can inhibit cancer cell growth. By blocking a specific region of these proteins, it is possible to prevent tumour cell reproduction without affecting other life-sustaining functions.
A recent study finds a 400% discrepancy between expected and observed ultraviolet light in the cosmic budget, with implications for our understanding of dark matter. Scientists are working to shed light on the mystery, which may be explained by exotic new sources or decaying dark matter.
The University of Nevada, Reno has won a $10 million COBRE grant to study brain and neurological disorders. Researchers are using visual illusions like the Dynamic Ebbinghaus illusion to gain insights into sensory perception and the visual brain.
Researchers have discovered a process called singlet fission that can increase solar cell efficiency by as much as 30 percent. This breakthrough has the potential to make solar cells more energy-efficient and widely adoptable.
A Tel Aviv University study reveals that parents of newborns experience detrimental effects from frequent night wakings, leading to impaired cognitive function, negative emotions, and decreased alertness. The researchers established a causal link between interrupted sleep patterns and compromised cognitive abilities.
A study published in JAMA found that patients who underwent gall bladder removal without postoperative antibiotic treatment did not experience a higher incidence of infections compared to those who received antibiotics. The lack of antibiotic treatment was associated with similar length of hospital stay and readmission rates.
A University of Colorado study found that home visits from nurses significantly reduced preventable child deaths and maternal mortality among low-income families. The Nurse-Family Partnership program improved pregnancy outcomes, childhood health, and women's economic self-sufficiency.
Research found that low doses of arsenic, similar to those consumed by humans, cause lung cancer in male mice. Arsenic levels above 50 ppb led to significant increases in benign and malignant lung tumors.
Researchers recorded record-breaking solar ultraviolet radiation in the Bolivian Andes, significantly higher than normal levels. This extreme radiation is comparable to those found on early Mars and poses a threat to local ecosystems.
Activation of extracellular signal-regulated kinase 1/2 was shown to protect against hippocampal neuronal injury in a rat model of diabetic cerebral ischemia. However, reduced extracellular signal-regulated kinase 1/2 decreased Ku70 activity and increased Bax expression, leading to increased lost hippocampal neurons.
Researchers at the University of Washington have developed a way to visualize daily activity patterns over time, helping users understand their habits and make meaningful changes. The study found that participants who used this visualization tool had an easier time meeting personal fitness goals.
A study found significant variation in the use of minimally invasive surgery among US hospitals, with some offering it to only a fraction of eligible patients. Surgical complications are estimated to cost $25b annually in the US and can be reduced by using minimally invasive surgery.
Researchers found that advances in parasite purification and culture methodologies significantly increased publication rates by 3-10 fold, leading to new molecular tools and resources. This study provides a side-by-side comparison of the publication records for four major genera of protozoan parasites affecting mollusks.
A team of researchers at the University of California, Riverside has created a novel method to produce high-performance lithium-ion battery anodes using sand. The innovative technique, which involves milling and purifying quartz from sand, results in a porous nano-silicon material that improves battery lifespan up to three times.
A new study outlines opportunities to reduce healthcare costs through the use of big data. Researchers highlight five key areas: high-cost patients, readmissions, triage, decompensation, and adverse events. By analyzing large datasets, clinicians can identify high-risk patients, predict readmissions, and optimize treatment for chronic ...
Researchers found that higher levels of C-reactive protein in maternal blood were significantly associated with an increased risk of schizophrenia in offspring. The study suggests that pregnancy-related inflammation may play a role in the development of schizophrenia, providing new insights into its biological mechanisms.
A CU-Boulder-led team has discovered fossils of a tiny, unknown hedgehog species, Silvacola acares, approximately 2 inches long. The ancient creature was found in north-central British Columbia and provides insights into the evolution of North American mammal communities during the Early Eocene Epoch.
A new study reveals ancient hedgehog and tapir fossils from Driftwood Canyon Provincial Park in British Columbia, which lived around 52 million years ago. The discovery fills a significant gap in the geographic distribution of mammals during this period.
Researchers at Georgia Tech and UC San Diego found that tiny galaxies contributed nearly 30% of UV light during reionization, marking a significant shift from previous focus on larger galaxies. Simulations show that small galaxies' high abundance and lower gas density allowed for more UV light to escape, illuminating the early universe.
A group of industry and regulatory scientists released consensus recommendations for assessing the safety pharmacology evaluations of oligonucleotide-based therapeutics. The guidelines emphasize the importance of safety pharmacology studies to evaluate cardiovascular function effects.
A study published in PLOS Medicine found that class III obesity (BMI > 40 kg/m2) is linked to higher mortality rates from various diseases. The analysis of 20 prospective studies revealed a substantially increased risk of death among class III obese individuals, particularly those with heart disease and cancer.
Scientists at the University of Utah have identified a new plant species found in Valentine, Texas, as Solanum cordicitum. The genus Solanum includes over 1,500 species, including poisonous nightshades and edible crops like tomatoes and potatoes.
A team of scientists has identified a master regulatory gene for sex determination in the green alga Volvox carteri, which shows how it evolved from a more primitive mating system in a close relative. The discovery may provide a possible blueprint for the origin of sexes in other multicellular organisms.
A new paradigm for understanding friction has been developed, showing that how things break and slide are intimately intertwined. This breakthrough study provides a fundamental description of the mechanics driving earthquakes.
A new research unit at Goethe University Frankfurt aims to understand the molecular basis of multi-drug resistant Acinetobacter baumannii strains, a common and deadly nosocomial pathogen. The researchers will study the bacterium's biology, infection process, and resistance mechanisms using an interdisciplinary approach.
A study by Sandia National Laboratories reveals that existing California gas stations can safely store and dispense hydrogen. The research examined 70 commercial gasoline stations and found that 14 could readily accept hydrogen fuel, while 17 more possibly could with property expansions.
A recent Duke University study has found that the mutated Huntington's disease protein is crucial for normal brain development and synaptic circuitry in early life. The research suggests that faulty connections may be the root cause of neurodegenerative disorders like Alzheimer's, with potential implications for treatment strategies.
A study found that logging, partial destruction by burning, and fragmentation result in the loss of nearly 54 million tons of carbon annually, equivalent to up to 40% of total deforestation. This degradation has a severe impact on the forest, with enormous quantities of stored carbon being lost into the atmosphere.
A new study found that children in households with two siblings are more likely to be obese if both siblings are overweight, regardless of the parent's weight. The data also showed that older siblings have a significant impact on younger sibling obesity risk, with boys being more susceptible to their male older siblings.
Researchers at Duke University Medical Center argue that new technologies, including electronic health records and wearable monitoring devices, enable patients to provide real-time information on symptoms and clinical outcomes. This shift towards patient-driven data collection enhances the accuracy and timeliness of health research.
A study by Professor Takashi Yoshimura and colleagues identified a deep brain photoreceptor in Japanese quails that directly responds to light, controlling seasonal breeding activities. The receptor, called cerebrospinal fluid-contacting neurons, also plays a role in detecting the arrival of spring.
A Swedish study found that the full moon affects sleep patterns, with subjects averaging 20 minutes less sleep and more trouble falling asleep during this phase. However, other research has yielded mixed results, with some studies showing no correlation between lunar phases and human sleep.
Researchers found that an individual with unhealthy habits, such as smoking and physical inactivity, has a 2.5-fold higher mortality risk than one who maintains a healthy lifestyle. The study's findings have significant implications for health policy and prevention strategies for non-communicable diseases.
Researchers from Scripps Research Institute have identified two compounds, CoPP and ZnPP, which bind to REV-ERBs and inhibit their activation by heme. These findings suggest that altering the metal ion chemistry of these compounds could be a way to target REV-ERB for treating metabolic disorders.
Researchers found that ground cinnamon can reverse biomechanical changes in mice with Parkinson's disease by protecting neurons and normalizing neurotransmitter levels. Cinnamon is metabolized into sodium benzoate, an FDA-approved drug used to treat hepatic metabolic defects.
Research found that people with bipolar disorder have stronger brain activity in the 'pleasure centre', guiding them towards riskier decisions. In contrast, a healthy control group's prefrontal cortex guides safer choices. This study aims to design and monitor therapies for bipolar disorder using neuroscience.
The Global Precipitation Measurement (GPM) Core Observatory followed Hurricane Arthur through its full life cycle, providing the first time a precipitation-measuring satellite has been able to capture its structures. GPM data showed Arthur's asymmetrical shape with spiral arms on the eastern side but not on the western side.
Researchers at Ruhr-University Bochum discovered that sandalwood scent activates olfactory receptors in human skin cells, increasing cell proliferation and improving wound healing. The team identified the receptor OR2AT4 as responsible for this effect.
A study suggests that Planet Mercury's unusual metal-rich composition is a result of early hit-and-run collisions with larger planets. This process could have stripped away Mercury's mantle without intense shock, leaving behind a mostly-iron body.
Researchers used physical analog models to simulate Ganymede's geologic structures, finding that stretching forces created characteristic patterns of ridges and troughs. The study suggests that a process involving crustal breaks due to large amounts of extension is the primary mechanism for forming these features.
A study published in mBio reveals that a fungus found in contaminated Greek yogurt can cause disease in healthy humans. Researchers isolated the strain and tested it on mice, finding that it can cause lethal infections when injected into the bloodstream.
A recent study published in PLOS Medicine found that 50 pregnant women develop life-threatening maternal sepsis, often progressing rapidly, while antibiotics do not prevent progression to severe sepsis. The authors recommend closer monitoring of symptoms and follow-up for pregnant or recently pregnant women with suspected infections.
A new study shows wet wrap therapy can reduce eczema symptoms by 71% and eliminate the need for medications in children. The technique involves soaking, applying lotions, and dressing in wet clothing to seal in moisture, resulting in significant improvements in skin health.
Astronomers have discovered that ALESS65 galaxy is running out of gas at an alarming rate, with only tens of millions of years left, much faster than the Milky Way's 5 billion years. The team found similar characteristics to nearby 'starbursting' galaxies in terms of UV radiation, suggesting a unique star formation process.
Researchers at the University of Adelaide have discovered a peptide in semen that enhances HIV infection by up to 10,000 times. The findings suggest that healthy epithelial cells are resistant to the toxicity of these protein enhancers.
A study by La Jolla Institute for Immunology identifies new genetic neighborhoods active in diseased cells, highlighting 33 genes that could be targeted with drug treatments. The research uses a novel approach to find specific genes associated with asthma, which may lead to more effective treatments.
The study found that low concentrations of lithium carbonate had a protective effect on SH-SY5Y cells, with reduced expression levels of pyruvate kinase 2 and calmodulin 3. Additionally, western blot analysis revealed increased expression of stress proteins GRP94 and HSP27.
Analyzing six use cases for big data in healthcare, researchers found strong opportunities for cost savings in high-cost patients, readmissions, and treatment optimization. However, bed shortages were associated with higher mortality rates, highlighting the need for a public health approach to address this issue.
A new study published in BMJ Open found that premature newborns are 32% less likely to die if admitted to high volume neonatal units compared to low volume units. High volume units provide more experience and resources for clinicians, leading to better clinical outcomes for vulnerable infants.
A recent study found that adults with extreme obesity are at a higher risk of dying from cancer and other causes, including heart disease and diabetes. The analysis of pooled data from 20 large studies revealed that people with class III obesity had a significant reduction in life expectancy compared to those with normal weight.