Double-balloon enteroscopy is a cost-effective approach for patients with obscure gastrointestinal bleeding, offering reduced costs and complications compared to other diagnostic methods. The study suggests that an initial capsule-directed double-balloon enteroscopy may be preferred over other options due to its potential for fewer com...
A new study finds that regular aerobic exercise significantly reduces anger expression and aggressive behavior in overweight but otherwise healthy children. The 10-15 week afterschool exercise program improved the children's ability to control their anger and aggression, according to the Pediatric Anger Expression Scale.
A team of Berkeley Lab researchers won a prestigious Gordon Bell Prize for their algorithm innovation in high-performance computing. They developed the Linearly Scaling 3D Fragment (LS3DF) method to efficiently simulate the behavior of nanostructures, achieving impressive performance and scalability.
Researchers at Penn State have discovered that not all DNA segments bound to the GATA1 protein are conserved across mammals, challenging previous assumptions. They found that 45% of these segments retain their identical form in other species, suggesting purifying selection maintains most regulatory regions.
A new theory in evolutionary biology proposes that sex promotes genes' ability to perform well with many partners rather than just one specific set of genes. This idea, called genetic mixability, finds that sexual reproduction favors genes that work well across multiple variations.
Researchers at USC have discovered a novel approach to suppressing prostate cancer development by inactivating a specific protein biomarker. By blocking the glucose-regulated protein GRP78, they found that prostate tumor progression can be halted in animal models.
Researchers have discovered a new species of leprosy-causing bacteria, Mycobacterium lepromatosis, which attacks skin vasculature and leads to extensive skin death. The finding could account for geographical and individual variation in the disease's severity.
Scripps researchers develop first definitive study of 2-AG's activity after discovering MAGL-specific inhibitor JZL184, reducing pain in mice and inducing effects associated with cannabinoid receptors. This breakthrough could lead to new treatments for chronic pain, obesity, anxiety, and depression.
Researchers found that bavituximab, a PS-targeting antibody, can cure lethal virus infections in animal models of cytomegalovirus and Lassa fever. The drug showed potent anti-viral activity and may represent a new class of drugs for treating viral infections.
Researchers at the University of Bonn found that the brain's 'wiring' plays a significant role in shaping personality traits and behavior. Individuals with well-developed neural connections between the ventral striatum and hippocampus tend to be more open to new experiences and seek out challenges.
A multidisciplinary approach predicts the immunity of a vaccine based on gene expression patterns and T cell responses. The study successfully predicted immunity in up to 90% accuracy using the yellow fever vaccine as a model.
Research suggests melatonin therapy may prevent ocular inflammation in uveitis, reducing symptoms and protecting the blood-ocular barrier. Melatonin treatment has anti-inflammatory effects, potentially benefiting patients with chronic uveitis.
Researchers use supercomputers to model air flow around golf balls, optimizing dimple size and pattern for lower drag. The study reveals the physics of a flying golf ball with unprecedented detail, paving the way for future improvements in ball design.
Hybrid plants exhibit increased growth and biomass due to the increased expression of genes involved in photosynthesis and starch metabolism during the day. This connection between circadian clock regulators and growth vigor could lead to new methods for increasing biomass crops for biofuels and improving food yields.
Researchers propose a new model to improve existing standards by capturing the multi-dimensional experience of new teachers, highlighting the importance of emotional and relational aspects in their development. The study found that support from colleagues and availability of teaching materials are key factors in job satisfaction.
Researchers from Queen Mary University of London have improved their understanding of how magnetic information is lost in devices similar to hard drive read-heads. The findings, published in Nature Materials, could lead to the development of more efficient and powerful data storage technologies.
UT Southwestern researchers have developed a new strategy for broad-spectrum anti-viral drugs that targets a lipid molecule on infected cells, triggering the immune system to attack and destroy infected cells. The treatment, bavituximab, shows promise in treating viral diseases, including Lassa fever and cytomegalovirus.
A recent study published in Management Science found that social preferences, such as status and reciprocity, play a significant role in shaping the behavior of supply chain partners. When these preferences are taken into account, partnerships can become more collaborative and mutually beneficial, leading to improved overall performance.
A study found that many US women are unaware of the significant source of daily personal chemical exposure from their homes. Researchers discovered that people who learned about chemicals in their homes and bodies were not alarmed, but eager for more information about typical household products.
Four Americans, including US Senators Edward Kennedy and Mina Bissell, are being honored with the American Cancer Society's Medal of Honor for their outstanding contributions to cancer research and control. The recipients have made significant impact in funding, legislation, and awareness campaigns.
Researchers at Los Alamos National Laboratory have proposed a new explanation for superconductivity that doesn't rely on phonons. By introducing quantum fluctuations and pressure changes, they observed a quantum critical point where electrons pair up in a previously undescribed state of matter.
The 2009 AAAS/Science dance contest selected four winners, each expressing their Ph.D. thesis in a unique dance form. The winning scientists are Sue Lynn Lau, Miriam Sach, Vince LiCata, and Markita Landry, whose research spans from vitamin D to single molecule measurements.
Researchers at Indiana University have created a comprehensive map of genes likely involved in bipolar disorder, identifying hundreds of genes that contribute to the illness. The study also lays the groundwork for personalized treatments and preventive measures using genetic risk scores.
A Florida State University research team has discovered a crucial new layer of regulation in the cell division cycle, which could lead to better cancer diagnosis and treatment. The findings highlight the importance of Cdc14 protein enzyme in ensuring correct timing and order of cell-cycle events.
Women exposed to hairspray at work during pregnancy have more than double the risk of having a son with hypospadias, according to a new Imperial College London study. Taking folic acid supplements in the first three months of pregnancy may reduce this risk by 36%.
The EUROCORES programme TOPO-EUROPE explores Europe's changing topography, combining solid Earth and climate scientists to understand past, present, and future changes. The project aims to refine sea level estimations and inform geological surveys on geothermal energy, seismic hazards, and slope instabilities.
A study by NIAID authors identifies common determinants of disease emergence across time and place, including international trade, poverty, and climate change. The research highlights the need for a better understanding of these factors to prepare for future emerging diseases.
UBC researchers have developed a new class of ultracold plasma made from molecules, which promises to revolutionize our understanding of plasmas and their properties. The technique creates plasmas three orders of magnitude denser than those made with trapped atoms, allowing for higher levels of correlation and potentially leading to ne...
Researchers have identified a key chemical, bicarbonate, that signals Bacillus anthracis to become lethal, offering a potential target for new antibacterial treatments. The study builds on earlier observations of the bacterium's response to host conditions, confirming bicarbonate as the essential component for virulence gene expression.
Researchers at Rice University have developed a graphene-based memory device that can store large amounts of data in a two-dimensional array. This technology increases storage capacity by a factor of five and consumes virtually no power.
The five-year, $4 million grant will support biodiversity field surveys, screen microbes and plants for applications to human health and energy needs. The research aims to conserve endangered species and develop local conservation efforts in Indonesia's tropical forests.
A study of smokers with attention deficit and hyperactivity symptoms found those with elevated hyperactivity and impulsivity showed lower quit rates compared to those with inattention or no A.D.H.D. symptoms.
Children born four months before the height of cold and flu season have a greater risk of developing childhood asthma than children born at any other time of year. The study found that birth timing is independently linked to asthma development, with autumn babies facing the highest risk.
A year-long study found that long-term use of a macrolide antibiotic reduced COPD exacerbations by 35% in patients with moderate to severe disease. The treatment also decreased the severity and duration of exacerbations, but its benefits are offset by concerns about growing antibiotic resistance.
Researchers found that women were surprised and puzzled by the number of contaminants detected in their homes, despite growing awareness of environmental pollution. The study highlights the need for sociologists to collaborate with life scientists to examine the personal experience of environmental problems.
A University of Michigan engineer has created a machine called VIVACE that converts slow-moving ocean and river currents into clean, renewable power. The device works by creating vortex-induced vibrations in the water, which are then converted into mechanical energy and electricity.
A new study shows JANUVIA (sitagliptin), a diabetes medicine, effectively lowers blood glucose levels in elderly patients with type 2 diabetes and is not associated with hypoglycemia. The study found that advanced age can contribute to the risk of hypoglycemia, which is why this treatment is beneficial for older patients.
Researchers from Max Planck Institute and Technical University discover that turbulent flows in pipes will inevitably become laminar, with the transition taking many years. This finding could help save energy in applications like oil pipelines.
The University of Texas Health Science Center at Houston launches the TEXAS program to promote geriatrics training for physicians. The four-year program has five components, including a medical school curriculum and elder abuse education seminars, aiming to improve care for frail elderly patients.
Researchers found that white participants rated neighborhoods with black residents more negatively than those with white residents or a mix of both. The study's findings demonstrate the ongoing impact of racial stereotypes on social perceptions and neighborhood evaluations.
Researchers from Penn State and University of Maryland studied Chesapeake Bay's salinity changes due to sea-level rise. They found an increasing trend in salinity, supporting the hypothesis that climate change is impacting the Bay's ecosystem.
A new study analyzing particulate matter from Southern California wildfires confirms that the composition of smoke posed more serious potential threats to health than is generally realized. The study found that fire emissions produce a significantly larger aerosol in size, making it easier for particles to penetrate indoor structures.
Researchers found that differences between pre-K reading-disabled children and their peers diminished by pre-first grade, except for phonological awareness. Phonological awareness skills distinguished the groups at Pre-K and Pre-1, suggesting this skill is a strong predictor of reading disability.
Research suggests that light-to-moderate drinking can promote cytoprotective cellular mechanisms, reducing the risk of cardiovascular disease and cognitive decline. Moderate alcohol exposure has also been shown to activate anti-inflammatory processes and promote neuronal survival pathways.
The Iowa State researchers are developing a computer model to help create a 40-year national plan for optimizing the country's energy and transportation systems. The model will consider various energy sources and transportation technologies to balance cost, sustainability, and resiliency.
Researchers found lactic acid is an important energy source for tumor cells and discovered a way to destroy hard-to-kill cells by preventing lactate delivery. Blocking lactate transport kills oxygenated cells that starve hypoxic cells, offering a novel approach to treating tumors.
A study published in Psychology of Women Quarterly found that employees who were sexually harassed reported lower levels of job satisfaction, organizational commitment, and job performance. The study analyzed data from 89,382 people and found that younger employees were more affected by sexual harassment.
Researchers found that training individuals to read body language, facial expressions, and voice tone in others resulted in significant gains in emotional perception. This skill is crucial for successful social communication and helps overcome chronic social difficulties or isolation. The training regime, known as self-instruction trai...
Argonne's Leadership Computing Facility won the High Performance Computing Challenge Award for its outstanding energy efficiency and computational power. The ALCF achieved scores of 103 GUPS and 5080 Gflops in two categories, showcasing its ability to deliver stellar results while using a fraction of the power needed for supercomputers.
A new study shows that brain activity increases in the visual cortex when patients with macular degeneration focus on using other parts of their retina to compensate for their loss of central vision. The brain reorganizes its neural connections to process information from other parts of the eye.
Females may mate with multiple partners to avoid passing on sperm-damaging genes, boosting offspring health and sex ratio. This adaptive strategy could explain why many species have polyandrous females.
The study examines the meaning of employee engagement, which involves positive feelings about the job and motivation. The authors conclude that employers must create conditions that respect employees' energy and facilitate engagement through fair treatment, creating a feeling of trust and safety.
The program aims to develop advanced statistical methodologies for implementing USDA surveys and analyzing survey results. Four focus areas have been identified: multivariate imputation, new design and estimation methodologies, automated editing and imputation methods, and statistical multi-source predictive models.
A recent study published in Reproductive Health found that pregnant women who attended water aerobics classes had shorter labor durations and lower rates of analgesia requests compared to those who did not participate. The research suggests that moderate water aerobics during pregnancy may improve maternal and fetal health outcomes.
Researchers identified a potential new target for anticancer therapeutics by showing that well-oxygenated tumor cells use lactate as a fuel source, which is released by hypoxic tumor cells. Inhibiting this protein MCT1 disrupts the symbiotic relationship between tumor cell types and leads to decreased tumor growth in mice models.
Queen's University Belfast is set to become the UK's lead center for developing technology to counter malicious cyber-attacks. The £25M investment will fund a new Innovation and Knowledge Centre, the Center for Secure Information Technologies (CSIT), which will create secure infrastructure to safeguard electronic information.
Scientists discovered giant deep-sea single-celled organisms leaving complex tracks on the ocean floor near the Bahamas. The finding questions the fossil record and suggests that single-celled protists may have been the precursors to bilateral symmetry in animals.
The Medical College of Georgia has received a $1.27 million two-part gift from the Helene Fuld Health Trust to expand its clinical nurse leader program and create an endowment for nursing scholarships. The gift will partner with Macon State University and Georgia Southwestern University to offer advanced degrees in nursing.
Researchers used computer modeling and experimentation to investigate how cracks grow at low speeds in silicon, finding rearrangements of atoms associated with ductile materials can occur near the crack tip. This instability can lead to macroscopic changes in the path of the crack, leaving behind ridges on the crack surface.
A team of researchers has successfully generated two resonant dispersive waves on both sides of the emitting soliton, a major breakthrough in supercontinuum generation. The unique fiber design allows for efficient and compact femtosecond lasers, opening up new applications in frequency combs.