Articles tagged with Scientific Journals
A graduate student at Rensselaer Polytechnic Institute has made important findings on deep Earth interactions, suggesting a new mechanism for metal movement between the core and mantle. The research could have broad implications for geology and potentially lead to valuable deposits of gold and platinum.
Scientists investigate Hanford's vadose zone to understand contaminant migration and develop remediation solutions. They find complex pathways for nuclear waste travel, affecting composition and speed, impacting the environment and people downstream.
A study published in World Journal of Gastroenterology found that age, burden, divorce, and heavy tea consumption are significant risk factors for erosive esophagitis. Additionally, routine consumption of greasy food and constipation were identified as risk factors for non-erosive reflux disease.
Researchers found that plasma treatment can convert carbon nanotube surfaces from hydrophobic to hydrophilic, allowing for instant wetting and contact angles of less than 10°. This breakthrough could pave the way for carbon nanotube incorporation into various applications.
SAGE and Hindawi will launch a suite of Gold Open Access journals, strengthening their portfolios in science, technology, and medicine. The partnership aims to widen access to important scholarly research.
The AAAS Science Journalism Awards recognize outstanding work in science reporting, including a series on ocean disturbances and stories on mysterious elk deaths. Winners include Jennifer Frazer and Kenneth Weiss for their coverage of these topics.
A new study combines data perturbation and query restriction to protect confidential information in statistical databases. The hybrid model provides accurate answers while maintaining online security.
Research on DNA structures and electronic properties aims to create ultra small computers. The study found that intrinsic guanine rich sequences of ?-DNA exhibited length-dependent conductivity, providing insights into electrical behavior and potential modification.
Research reveals MMP-1 and TNF-alpha play a central role in ulcerative colitis development, offering new therapeutic targeting proteins. Agents like Infliximab have shown promise in treating adult and child patients with ulcerative colitis.
A Chinese-Australian research team studied the whitefly Bemisia tabaci's invasive behavior, discovering that it breeds more when interacting with native populations and suppresses their reproduction rates. This asymmetrical mating interaction drives the widespread invasion and displacement of native species.
A new study published in PLOS ONE found that oxytocin increases generosity in humans, particularly when considering another person's feelings. The hormone has a dramatically larger effect on generosity compared to trust, with participants offering 80% more money when given oxytocin.
A new study by political scientists found that early voting measures have a negligible or negative impact on voter turnout. The study assessed three primary means of early voting and found that they result in a more accurate count, but do not increase turnout.
A case of a giant submucosal lipoma located in the descending colon is presented, highlighting key findings such as abdominal pain, bleeding per rectum, and change in bowel habits. The study suggests that colonic malignancy should not be ruled out in patients with significant symptoms.
A retrospective study on Infliximab treatment in IBD patients found it to be effective in inducing rapid clinical response and maintaining long-lasting remission. The study also showed a steroid-sparing effect, reducing the morbidity associated with long-term corticosteroid therapy.
A case report describes an 86-year-old woman who developed acute pancreatitis and cholangitis after her gastrostomy tube migrated into the duodenum. The malpositioned tube caused duodenal obstruction, leading to severe symptoms that improved upon repositioning the tube.
Michael Rosbash, a Brandeis University professor, has been elected as an AAAS Fellow for his distinguished contributions to understanding RNA splicing and circadian rhythms. This year, 471 members have been awarded the honor by AAAS due to their scientifically or socially distinguished efforts.
Neurobiologist Rachel Wilson has been awarded the 2007 International Grand Prize in Neurobiology for decoding a pattern of impulses from receptor neurons to identify an odor. Her research reveals complexities in how odors are processed by the brain, using genetic tools and measurements of neural activity in living flies.
A new potential therapeutic target for early-stage hepatocellular carcinoma has been identified through a study published in the World Journal of Gastroenterology. Survivin protein expression was found to be elevated in 64.7% of HCC specimens, suggesting its role as a marker for diagnosis and treatment.
The Council of Science Editors has organized a Global Theme Issue on Poverty and Human Development, with contributions from Mary Ann Liebert journals. Research papers discuss HIV/AIDS treatment, breastfeeding as a solution to poverty, and the social responsibility of naturopathic physicians in addressing human development.
A study found that administering a lidocaine lollipop reduced the need for sedation in the majority of patients undergoing upper endoscopy, improving patient comfort and reducing potential side effects. The lollipop proved safe and well-tolerated, making it a promising alternative to conventional lidocaine sprays.
Researchers have successfully used RNA interference (RNAi) technology to specifically silence the vascular endothelial growth factor (VEGF) gene, a key player in tumor angiogenesis. This method shows great promise for developing targeted therapeutic approaches to inhibit VEGF expression and potentially suppress cancer growth.
The study found that transcutaneous cervical esophageal ultrasound (TCEUS) is not a substitute for 24-hour pH monitoring or manometry in diagnosing gastroesophageal reflux disease (GERD) and esophageal motor disorders. TCEUS can aid in estimating GER and motility disorders, but it cannot replace these established diagnostic methods.
A new study by Sudip Bhattacharjee and Ram D. Gopal reveals that file sharing has a devastating impact on lower ranked Billboard albums, reducing their survival time on the chart by 42%. Top debuting albums, however, remain relatively unaffected.
The 2007 International Science and Engineering Visualization Challenge has selected its top winning entries, featuring visually striking images that showcase the beauty of science. The contest, sponsored by AAAS and NSF, honors artists who use visual media to promote scientific research.
A recent study investigated how judges and jurors make collective decisions, revealing that simple voting procedures are often preferred over more nuanced approaches. The findings suggest that groups tend to favor quick decisions, even if they lead to inconsistent outcomes.
Researchers found that synesthetes' experience brighter colors when seeing or thinking of frequently used digits. This effect is not limited to synaesthetes, as non-synaesthetes also associate more luminous colors with common digits.
A recent study published in World Journal of Gastroenterology found a significant association between GERD and obesity in women, but not men. The researchers suggest that estrogen may play a role in this correlation.
The American Gastroenterological Association has established minimum standards for gastroenterologist performance of CT colonography, requiring at least 75 endoscopically confirmed cases to be interpreted. The guidelines emphasize the importance of training and quality control to ensure accurate screening for colorectal cancer.
A new study published in Management Insights reveals that online auctions where all bids are disclosed after the bidding round benefit buyers. The research finds that buyers pay higher prices when only winning bids are disclosed, leading to better outcomes for consumers.
The AAAS project aims to provide a science-based understanding of alcohol's effects on the body, focusing on key scientific concepts and recent advances in neuroscience. The initiative will offer students and teachers a comprehensive resource for teaching and learning about underage drinking.
The partnership aims to widen the journal's audience, reducing reviewing time and increasing access to online features, including a comprehensive search engine and e-mail alerts. The Tissue Viability Society will continue to receive print copies as a benefit of membership.
In two experiments, participants over-predicted regret and disappointment after unsuccessful negotiations and receiving grades. The study suggests discounting post-decisional emotions can improve decision-making.
A new study published in Psychological Science examined how an animal's rearing environment influences its navigational strategy. The researchers found that while the ability to use geometry for navigation is innate, the use of geometric cues depends on both genetic and environmental factors.
A new study published in Psychological Science examines how early exposure to geometric cues influences navigational strategy. The researchers found that fish raised in circular tanks with minimal angular information still used geometry to navigate, while those from rectangular tanks were more likely to rely on features when present.
Experts emphasize evidence-based approach to treating osteoarthritis, citing benefits of coxibs and NSAIDs despite gastrointestinal and cardiovascular risks. The OARSI international COX-2 workshop 2007 provided guidance on safe use of these agents.
The American Gastroenterological Association recommends gastroenterologists use evidence-based sedation protocols for endoscopic procedures to improve quality of practice and reduce adverse events. Proper training and experience are crucial for administering sedation safely.
Scientists from around the world present convergent views on the 'memory of water' concept, which suggests that water can display memory effects. Researchers found large-scale structural changes in liquid water, potentially accounting for claims of memory of water effects.
Twelve native Australian fruits have been found to be exceptional sources of antioxidants, surpassing blueberries in radical scavenging activities. The study confirms the potential of Australia's native food industry, estimated to be worth $14 million annually, with research aimed at developing new phytochemicals for use in foods.
A study by Melissa A. Schilling and Corey C. Phelps found that large-scale alliance networks with high clustering and reach enhance firm innovation. The research analyzed 1,106 firms in 11 industry-level alliance networks over a six-year period.
Research suggests that blue corn tortillas are healthier for diabetics and dieters, with a lower starch content and higher protein levels than white tortillas. This makes them a potential solution for managing metabolic syndrome.
New research reveals counterfactual thinking in readers is about undoing choices, while actors alter problem-solving processes. This challenges previous theories on the nature of this psychological mechanism.
A new biogeographic classification system, Marine Ecoregions of the World, is described in BioScience, providing a valuable tool for conservation planning. The system groups coastal and shelf areas into 232 distinct ecoregions, enabling researchers to identify critical areas for conserving endangered species.
A study published in Psychological Science found that a highly reactive autonomic nervous system and stressful family environment contribute to increased instances of maladaptive personality change in children. Researchers assessed 138 elementary school-aged children using a Skin Conductance Response test, which measured their autonomi...
Researchers established a credible scientific method for testing and measuring xanthones in whole mangosteen fruit, which shows high xanthone absorption when using the entire fruit as a delivery vehicle. This study ensures consistent and reliable marketing of mangosteen products to consumers relative to claims of xanthone content.
Recent studies have shed light on the origins and purpose of pride, a complex emotion linked to achievement-oriented ideas like accomplishment and confidence. People who feel authentic pride tend to score high on extraversion and genuine self-esteem.
Researchers developed a scale to measure sense of humor, finding generational and individual differences in humor preferences. The study shows that humour is not universally good or bad, but rather depends on personal characteristics.
A new study published in Psychological Science found that watching actors smoke in movies can increase the likelihood of smoking among viewers. The research suggests that exposure to smoking in film can lead to greater implicit associations between smoking and oneself, making it more normal behavior.
A study found that a highly reactive autonomic nervous system paired with family stress leads to increased maladaptive personality change in children. The interaction between biological characteristics and family adversity is associated with longitudinal changes in childhood personality.
A recent study suggests that aprotinin can reduce bleeding during heart surgery without increasing the risk of complications. The study found no increase in heart attack risk among patients receiving aprotinin, while the risk of stroke was 35% lower.
Researchers have discovered a tool for rapid drug discovery by combining molecular fragments, allowing for more specific targeting of cancer cells. Additionally, two new peptides enable the labeling of proteins, enabling further study and modification.
Dental patients can benefit from referring to tobacco-use telephone 'quitlines' for support in quitting smoking. A pilot study found that 25% of patients who used quitlines stopped using tobacco at six months, compared to 27.3% in the brief-counseling group.
A study by Juan Alcacer and Wilbur Chung found that more advanced technology companies locate near universities to partner in research. These firms are attracted to regions rich with academic activity, rather than competitor-rich areas.
The first issue of the HFSP Journal showcases innovative interdisciplinary research at the interface between biology and physics. The journal features articles on topics such as magnetoreception, ERKII signaling, and protein evolution, highlighting the intersection of multiple scientific disciplines.
The journal Contemporary Islam: Dynamics of Muslim Life discusses the impact of the internet on Islamophobia, including the spread of anti-Islamic opinions and the use of new technologies to combat it. The first issue explores topics such as re-imagining Islam through recent global events and personal autonomy of women in Morocco.
A study of over 8,300 runners found that maintaining vigorous exercise helps prevent extreme weight gain, a significant risk factor for high blood pressure, diabetes, and other diseases. Regular running reduces waist circumference and hip size in women, while also combating age-related weight gain.
Researchers found that subjects' brains showed increased activity at event boundaries, even in mundane events, suggesting a universal process of segmenting continuous text. This discovery sheds light on how humans comprehend everyday activities and may reflect a general network for understanding event structure.
A study published in Science reveals that massive volcanic eruptions 55 million years ago led to a five-to-six-degree Celsius jump in ocean temperatures, linked to the creation of the North Atlantic Ocean. The prehistoric activity released over 2,000 gigatonnes of carbon into the atmosphere, similar to today's greenhouse gas emissions.
Eli Coleman, a University of Minnesota professor and director of the Program in Human Sexuality, received the Gold Medal Award 2007 from the World Association for Sexual Health. He has published extensively on topics like sexual orientation and compulsive sexual behavior.
A new study in April Management Insights highlights the risks of pursuing aggressive market share expansion and rapid growth. Firms that adopt such strategies often face losses due to overcapacity when the market saturates, ultimately undermining their competitive advantages.
The Institute for Operations Research and the Management Sciences (INFORMS) has introduced a new bi-monthly feature called OR Forum, which highlights important research in operations research. The first article in OR Forum examines how auction theory fails in practice, specifically combinatorial auctions.