Engineers at UCLA have successfully harnessed 'rogue' laser waves to produce brighter, more stable white light sources. The new technology reduces fluctuations by at least 90% and decreases energy needed by 25%. This breakthrough could pave the way for better clocks, faster cameras, and more powerful radar and communications technologies.
A new study reveals that Canada's MRI wait lists are severely managed, with inadequate prioritization and quality assurance processes in place. The research emphasizes the need for standardized processes to track and manage the appropriateness of MRI scans, ensuring equitable access and rapid treatment for patients who truly need them.
Researchers find that decreased PPAR activity may cause irreversible lung damage and pulmonary hypertension in children with heart defects. Boosting PPAR signaling with existing drugs could help restore healthy blood vessel balance and prevent disease.
Researchers have rediscovered a dormant human gene, IRGM, which was thought to be extinct for millions of years. The study, published in PLOS Genetics, reveals that the gene was resurrected through a complex series of structural events, suggesting its potential importance in fighting new or resistant infectious agents.
Researchers at Penn State developed a solar-powered process converting carbon dioxide to methane using titania nanotubes, achieving a 20-times higher yield than previous attempts. The method uses dual catalysts coated on the nanotubes, resulting in significant hydrocarbon production.
Researchers at UT Southwestern used a computer-based tool to analyze millions of abstracts and found nearly 70,000 highly similar citations. Journal editors' reactions to the investigation revealed varying attitudes towards dealing with plagiarism, with some admitting to having borrowed previously published material.
A study published in the Journal of Studies on Alcohol and Drugs found that older adults perform worse on visual-motor coordination tasks after moderate alcohol consumption. The researchers suggest that this is due to a disassociation between perceptions of ability and actual capabilities, which may be more pronounced in older adults.
Mobile phone handsets used by hospital workers are highly contagious with bacteria, including MRSA, and can lead to infections ranging from skin complaints to life-threatening illness. The study recommends strict infection-control procedures and decontamination methods to prevent the spread of infection.
A study by Children's Hospital of Philadelphia found that improved physician education increases prescription rates of emergency contraception pills for adolescents, reducing unintended pregnancy rates. The study identified five common barriers to prescribing ECPs, including lack of patient follow-up and concerns about birth defects.
A clinical trial involving over 3,000 women found a vaginal microbicide gel to be 30% effective in preventing HIV infection in women. The study, known as HPTN 035, demonstrated promise for an HIV prevention method that women can initiate.
Scientists at Whitehead Institute have successfully removed cancer-causing genes from human skin cells reprogrammed into embryonic-stem-cell-like state, creating patient-specific stem cells. These cells can be matured into dopamine-producing neurons, which degenerate in Parkinson's disease patients.
Scientists propose that rapid sea level rises over the past 5 million years led to habitat compression, causing species extinction locally. A study of 325 mammal species mapped their ranges across the peninsula, revealing a 600-kilometer gap with 30% fewer species than expected.
Research identifies elderly patients with multiple cardiovascular risk factors as higher risk for stroke and heart attack after IVIg treatment, while those with fewer risk factors have lower likelihood. The study provides guidance for physicians counseling patients on IVIg treatment risks.
Researchers discovered that mosquitoes use proteins called LRIM1 and APL1C to detect and destroy malaria parasites. The study found that 80-90% of parasites are killed, but only a few manage to evade detection, allowing the disease to be transmitted to humans.
Researchers found that controlling parents may inadvertently encourage their children to eat more, especially boys, as they seek larger portion sizes of sweetened cereal at daycare. Parents are advised to provide moderate portions and let children decide if they want additional servings.
Researchers develop a mathematical model for cloaking objects using metamaterials, which can bend light waves around regions to create an 'invisible' space. This technology has potential applications in secure communication, medical procedures, and even three-dimensional television screens.
Researchers used computer modeling to reconstruct a 1100km subducted tectonic plate and found a connection between New Caledonia and northern New Zealand. The discovery provides evidence of a geographical link between the two islands at that time, shedding light on evolution in the region.
A new study published in Academic Emergency Medicine found that African-American patients wait about an hour longer for hospital beds than patients of other races. The findings suggest that disparities in emergency department length of stay may explain some of the poorer health outcomes seen in black populations.
A short course of radiation therapy followed by high-quality surgery is the most effective treatment for patients with operable rectal cancer. Recent trials have shown a reduction in local recurrence with radiotherapy and chemotherapy before or after surgery.
Researchers at Stanford University School of Medicine have compiled a list of 93 common HIV mutations associated with drug resistance to track the spread of the virus. The updated list is based on data from over 15,000 patients and will be used globally to gauge the effectiveness of HIV medication programs.
Scientists developed a method to measure the transport of therapeutic genes through the body using magnetic nanoparticles. The technology significantly increases gene transfer efficiency compared to non-magnetic methods, with potential for targeted cell delivery.
The IBEX spacecraft is mapping the outer solar system using ENA imaging, creating global maps of interactions between the solar wind and interstellar medium. Researchers will study this region to address challenges facing manned exploration, including galactic cosmic ray radiation.
Researchers used transparent zebrafish to study atherosclerosis development, revealing plaque buildup in blood vessels. The study showed that ezetimibe significantly improved vascular wall thickness and barrier function.
Scientists at Johns Hopkins Medicine used genome scanning to locate a mutation in the PALB2 gene, responsible for initiating hereditary pancreatic cancer. The discovery highlights the value of personalized genome sequencing in identifying disease-causing mutations.
The Amazon Rainforest's drought sensitivity is a growing concern due to climate change, threatening both nature and people. The study reveals that increasing drought can cause irreparable damage to the jungle and its carbon-sequestration abilities.
Biomanufacturers are developing fully disposable bioprocess streams to minimize validation studies, sterilization, and cleaning procedures. Companies like GE Healthcare and Pall offer disposable products that reduce inventory costs and improve flexibility in bioprocessing.
The Liverpool School of Tropical Medicine's Malaria in Pregnancy Consortium has been awarded €3.6 million to research optimizing the use of an antimalarial drug given to prevent malaria in pregnancy in Africa. The project aims to determine whether pregnant women need a different dose of the SP drug due to changes during pregnancy.
A recent study found that older adults who consume moderate amounts of alcohol perform worse on cognitive tests than their younger counterparts, despite similar blood alcohol levels. The researchers suggest that this is due to factors other than age-related declines in cognitive skills, such as changes in how alcohol affects individuals.
A new study found that over 60% of pancreases from children with type 1 diabetes showed evidence of enteroviral infection, suggesting a potential link between viruses and the disease. The research suggests that enteroviral infection may trigger an immune response that destroys beta cells in the pancreas.
Research suggests that ecological and evolutionary factors can buffer some species against climate change, with rapid adaptation playing a critical role. The study of the pea aphid shows that bacteria living symbiotically within the aphids can confer heat tolerance, influencing population responses to environmental changes.
A recent study by Robert Tai at the University of Virginia found that students who focus on mastering a single topic in-depth tend to outperform those who cover more topics superficially. The research suggests that teaching fewer topics with greater depth is a more effective way to prepare students for success in college science classes.
Researchers at Lawrence Berkeley National Laboratory demonstrate a novel approach to assemble cells into three-dimensional, multicellular microtissues. By controlling cellular connections, they can create tissues with sophisticated properties, such as the stem-cell niche.
The American Board of Medical Specialties approves a new subspecialty in Advanced Heart Failure and Transplant Cardiology, which will provide high-level care for patients with worsening heart failure. The first certified cardiologists will be trained by 2010, offering improved treatment options and outcomes for heart failure patients.
The discovery of the earliest known evidence of horse domestication suggests that horses were both ridden and milked. This finding points to the origins of horse breeds we know today, with a possible date of around 5,500 years ago in Kazakhstan.
Scientists at McMaster University have identified a key communication pathway that triggers stem cells to specialize and become blood cells in humans. The noncanonical Wnt pathway works by organizing cells to respond to signals for blood development, providing an efficient way to produce blood cells.
Leading scientists issue a challenge to find a way to purge latent HIV infection and eliminate the need for chronic therapy. A drug-free remission goal requires understanding of persistent infection reservoirs and combination approaches.
Researchers recorded moth brain activity as they smelled individual chemicals from sacred datura flowers. Only nine chemicals provoked a neural response, but all nine were necessary for the moths to fly to and feed on the flowers. This study provides insight into how insects process smells and may apply to human olfactory perception.
A new study reveals that standard brain tumor treatment may increase the number of cancer stem-like cells, making patients more vulnerable to tumor recurrence. Researchers found that a common chemotherapy drug, temozolomide, increases the aggressiveness of surviving cancer cells.
Researchers have determined the structure of a protein within its natural environment, Escherichia coli, for the first time using nuclear magnetic resonance (NMR) spectroscopy. This milestone advances our understanding of molecular biology and opens new avenues for investigating protein interactions in living systems.
Scientists identified seven new species of bamboo coral, potentially representing entirely new genera. The discoveries highlight the importance of deep-sea corals supporting diverse ecosystems and their vulnerability to ocean acidification.
The LIFE research project is the world's largest study on children's health and well-being, focusing on a new Nordic diet to address obesity-related issues. The five-year project aims to strengthen public health by introducing a regional food concept in schools and families.
A team of researchers, led by Dr. Robert Koenekoop, has discovered a new gene associated with Leber congenital amaurosis and retinitis pigmentosa, two devastating forms of childhood blindness. The SPATA7 gene identifies a crucial metabolic disease pathway and opens a new avenue for potential genetic therapies.
A study led by Caltech economists found that market forces can incentivize more people to solve problems and collaborate, unlike traditional patent systems. In experiments, participants were given shares of items to pack into a knapsack, allowing them to benefit financially from solving parts of the problem.
A CU-Boulder research team has identified a type of skeletal muscle stem cell that contributes to the repair of damaged muscles in mice. The newly identified stem cells, dubbed satellite-SP cells, renew the satellite cell population after injection into injured muscle cells, contributing to recovery of muscle tissue.
Researchers have discovered a new pathway that prompts stem cells to specialize into blood cells, providing hope for regenerating the blood system in patients with leukemia or undergoing cancer treatments. The Canadian Cancer Society funded this research, which could lead to more efficient production of blood cells.
A study analyzing the periodontal health of 940 men found that regular green tea drinkers had superior periodontal health than those who consumed less. The antioxidants present in green tea may help reduce inflammation and promote healthy gums and teeth.
Research from Tel Aviv University found that people with type 2 diabetes are 1.5 times more likely to experience cognitive decline and 1.6 times more likely to suffer from dementia than those without the condition. Higher blood glucose levels may contribute to this relationship.
Research found that receiving unemployment benefits reduces both economic and psychological stress, leading to healthier behaviors. The study suggests that financial support during times of job instability is crucial in mitigating negative health effects.
Researchers at University of Michigan propose a plan to save up to 75 percent of data center energy by implementing PowerNap, which puts idle servers to sleep, and RAILS, a more efficient power supplying technique. The approach addresses the significant energy waste in data centers, where computers spend most of their time doing nothing.
Scientists have mapped large rock formations in the United States that can absorb CO2, potentially increasing carbon sequestration at a faster pace. The ultramafic rocks contain minerals that react naturally with carbon dioxide to form solid minerals, offering a new technology to store heat-trapping carbon dioxide.
Researchers at Weill Cornell Medical College discovered that chloroquine is a highly active inhibitor of infection by Hendra and Nipah viruses. The drug blocks the action of cathepsin L, an enzyme essential for virus growth and maturation.
Researchers at NYU College of Dentistry have been awarded a five-year grant to investigate the cooperative interactions between HIV viruses that aid in replication and disease persistence. The team aims to understand how these interactions speed up virus evolution, which could lead to new ways of slowing or stopping HIV replication.
Uppsala University is expanding its operations to provide researchers with a powerful system for large-scale compute and storage of data, revolutionizing biomedical research on public-health disorders. The new technology will help identify mutations that cause disease and develop targeted drugs.
Scientists from the University of Cambridge discovered four rare genetic mutations that reduce the risk of developing type 1 diabetes, a link between T1D and enterovirus infections established. The IFIH1 gene variants were found to protect against T1D by reducing immune activation caused by enterovirus infections.
Ecologists suggest providing heat sources to hibernating bats to reduce energy expenditure and survival rates, which could help save affected populations. The proposed measure has shown promising results in a mathematical simulation, with mortality levels dropping to as little as 8 percent.
Researchers at Duke University found that buckyballs can hinder bacterial accumulation on water membranes, leading to a potential cost savings of 50% in membrane replacements. This attribute makes buckyballs a promising anti-fouling agent for addressing one of the major problems and costs of treating water.
Researchers found that cells' ability to sense glucose presence is key to lifespan extension. Decreasing glucose levels increased yeast cell lifespan, while eliminating glucose sensor significantly boosted it.
Heidelberg cardiologists have discovered a single amino acid mutation that can severely limit heart function in zebrafish, a model similar to the human genome. The researchers hope to develop new therapies for patients with cardiac insufficiency by targeting this mutation.
A recent study on vitamin C treatment in cancer has been disputed by a nutrition expert due to the use of oxidized form of vitamin C and toxic doses. Contrasting findings suggest that high-dose vitamin C may have beneficial effects on cancer cells, tumor cell death, and postsurgical healing.
A team of experts at WPI has launched a three-year study to examine the impact of implementing electronic medical records (EMRs) on primary care providers, patients, and healthcare operations. The study focuses on four diverse sites in the US, Canada, and Israel, analyzing how organizations adapt to new systems and tools.
A groundbreaking study by MSU researchers has pinpointed four major factors that make up the total experience: benefit, convenience, price, and environment. This knowledge can help businesses allocate resources to enhance the customer experience and gain a competitive advantage.
A 30-year study reveals that drought causes massive carbon loss in tropical forests, mainly through killing trees, posing significant threat to climate change mitigation. The Amazon forest absorbs nearly 2 billion tonnes of carbon dioxide annually but lost more than 3 billion tonnes during the 2005 drought.
Researchers have developed a world-first procedure to regrow muscles in a mouse model, which could be applied to human tissue-based illnesses such as liver or brain diseases. The technique strengthens adult stem cells' ability to regenerate damaged tissue by making them resistant to chemotherapy.
A new model for treating childhood and adolescent obesity involves a stepwise intervention strategy, increasing intensity from medical management to bariatric surgery. Family involvement is crucial for successful weight loss, with parents taking an active role in nutritional and lifestyle modifications.