Researchers at the University of Bristol and MIT have discovered a key role for the dentate gyrus in rapid place recognition, which may help alleviate confusion among elderly individuals. The study's findings could also inform therapies for learning and behavioral disorders.
Patients treated by chiropractors had lower utilization costs and higher patient satisfaction levels than conventional medical doctors. The study found that patients visiting chiropractors experienced fewer hospitalizations, surgeries, and pharmaceutical use.
Dr. Andrew Stuart was awarded the 2007 SIAM Activity Group on Dynamical Systems J.D. Crawford Prize for his work on stochastic differential equations and their applications in physical models and Kalman-Bucy filters. The prize recognizes his outstanding contributions to the fields of stochastic ordinary and partial differential equations.
Dr. Harry L. Swinney received the Jürgen Moser Lecture Prize for his work on nonlinear dynamics of systems far from equilibrium. His research has elucidated the onset of turbulence in various systems, including water in rotating cylinders.
Researchers found that increased body fat in elderly adults is associated with lower levels of vitamin D, regardless of sunlight exposure. Vitamin D is critical for maintaining bone health and low levels can increase the risk of bone fractures and osteoporosis.
A recent paper by Dartmouth Professor Ronald M. Green examines six approaches to deriving human embryonic stem cells in ways that avoid destroying living human embryos. These alternatives aim to make hESC research more universally acceptable, while respecting the sensitivities of citizens.
A new approach to teaching chemistry at Brandeis University seeks to capture the imaginations of potential scientists through interactive and technology-driven learning. The program aims to build a 'science posse' of disadvantaged students, providing them with academic support, paid lab jobs, and a two-week boot camp.
A study of nearly 8,000 children found a significant rise in the prescribing of newer antiepileptic drugs, with concerns over their long-term safety. The research highlights the need for greater investment in paediatric drug development and testing.
A study reported in Current Biology shows that captive chimpanzees can acquire new traditions and spread them to other troops. This suggests a considerable capacity for cultural spread of innovations among chimpanzees, similar to what is seen in the wild.
Long-term monitoring programs help society understand environmental issues like acid rain, clean air, and global warming. The absence of monitoring hinders evaluation of environmental policies and contributes to the development of appropriate experimental design.
A recent study published in The Lancet found that mismatched cord blood transplants performed as well as matched bone marrow transplants in terms of leukemia-free survival rates. Additionally, patients receiving matched cord blood had a 20% higher survival rate than those with matched bone marrow.
Salvatore Torquato received the 2007 Ralph E. Kleinman Prize for his groundbreaking work on heterogeneous materials, bridging mathematics and applications in engineering and science. His research has led to highly original advances in various problems, including microstructure characterization and percolation theory.
Researchers found that unrelated umbilical cord blood transplants can provide similar five-year survival rates to allele-matched bone marrow transplants for children with acute leukemia. However, matched cord blood transplants showed greater survival rates but required further study to confirm.
A study published in The Lancet found that sputum-submission guidance increases positive tests for tuberculosis in women by 63%, making it a promising intervention to improve case detection. The guidance aims to address cultural and knowledge barriers, resulting in higher quality samples and early morning returns.
A new study finds that the TRPM8 ion channel plays a crucial role in detecting cold temperatures by activating neural impulses. The research suggests that TRPM8 is not the sole receptor responsible for detecting extreme cold, indicating possible alternative pathways.
Researchers analyzed ancient DNA from woolly mammoth bones, teeth, and tusks to understand their disappearance. The study found a genetic signature indicating a range expansion after the last interglacial period, followed by leveling off and eventual extinction of one lineage.
A study of 2,046 women found that misoprostol administration under the tongue or vaginally can be effective, but sublingual administration causes more side effects. The optimal interval for vaginal administration is between three and 12 hours, while sublingual administration requires shorter intervals to minimize side effects.
A new study has identified a direct link between Plasmodium falciparum antigens and Epstein-Barr virus (EBV) reactivation, increasing the risk of Burkitt lymphoma in children living in malaria-endemic areas. The researchers found that certain proteins from P. falciparum can spur latent EBV-infected cells into active production.
A new study published in Science analyzed the environmental impact of genetically modified (GM) crops and found that they can have benefits for sustainable agriculture. The research used data from field experiments worldwide and found that Bt-crops, which produce an insecticide internally, can reduce the need for chemical spraying.
Researchers used nanotechnology to study exciton mobility on carbon nanotubes, revealing that each excition travels about 90 nanometers and visits some 10,000 carbon atoms during its lifespan. The unique properties of carbon nanotubes made them an ideal system for observing single-molecule reactions.
Researchers at Institut Gustave Roussy found that a combination of radiation and angiogenesis inhibitors can overcome HIF-1–dependent tumor radioresistance in mice. This breakthrough suggests a new approach to treating cancer by shifting tumor resistance towards apoptosis, according to the study published online on June 7.
A recent study found that acute allergic-like reactions to newer nonionic contrast agents are rare in children, occurring in only 20 out of 11,306 pediatric IV administrations. The study confirms the safety and better understands the risks of these agents in children.
Researchers have found that a combination of radiation treatment and angiogenesis inhibitors can overcome tumor radioresistance by inducing apoptosis in tumor cells. This dual therapy approach shows promise in treating tumors resistant to radiation, offering a new potential treatment strategy.
Researchers used supercomputers to simulate galaxy mergers, revealing the formation of a new type of structure - a central disk of gas that can be thousands of light years wide. The simulations predict that the gas in this disk will extract energy from the orbiting black holes, causing them to merge and produce strong gravitational waves.
Researchers at Burnham Institute have discovered that gamma-secretase acts as a tumor suppressor by altering the EGFR pathway, which may limit treatment options for Alzheimer's and other diseases. The study also found that APP metabolite AICD negatively regulates transcription of the EGFR gene.
The Lancet Editorial emphasizes the need for dramatically increasing legal organ donations to meet demand, as punitive measures only drive organ trafficking further underground. The Iranian model of paying and caring for donors is considered the gold standard, but its commercialization raises moral concerns.
Two studies presented at the Seventh International Conference on Bipolar Disorder have identified novel pathways and markers for diagnosing and treating bipolar disorder. The findings suggest a new avenue for treating the underlying cause of the disease, rather than just treating symptoms.
A recent study by researchers from the US, China, and Japan found consistent positive implicit self-esteem among university students from three countries. The study used the Implicit Association Test (IAT) to measure automatic attitudes towards oneself, revealing high levels of positive self-associations across cultures.
Dr. Joseph Fins, a leading expert in medical ethics, has received the Robert Wood Johnson Investigator Award to study brain injury care and develop innovative models of treatment. The project aims to improve clinician-family communication and inform educational standards for professionals.
Scientists have discovered a single protein that can inhibit aging, which could hold implications for human longevity and treatment of diseases. The technique used to make the inhibiting proteins opens the possibility of developing new therapeutics.
Researchers at MIT have successfully demonstrated wireless power transfer using coupled resonant objects, enabling the charging of devices without physical connections. The team's 'WiTricity' concept uses magnetic fields to transfer energy efficiently, promising a future free from bulky batteries and power cords.
Scientists at Vanderbilt University have overcome a major obstacle in producing fluorescent nanotubes, which can be used as contrast agents in cells and tissues. The breakthrough allows for the creation of trillions of nanotubes with high quantum efficiency, making them suitable for medical applications such as anti-cancer treatments.
Researchers at UCLA's Jonsson Cancer Center have discovered a novel anti-inflammatory cell signaling pathway that may serve as a vital Yin-Yang mechanism to maintain the delicate balance of immune response. This discovery may lead to new ways to fight cancer and inflammatory diseases.
A 42-year-old Canadian patient developed compartment syndrome and underwent emergency fasciotomies, resulting in dark greenish-black blood analysis. Sulfhaemoglobinemia was diagnosed as the cause, linked to excessive sumatriptan intake, a medication containing a sulfonamide group.
University of Manchester researchers have identified evidence of several new genes behind rheumatoid arthritis (RA), a chronic inflammatory disease that affects nearly all joints. The study, part of the largest ever genetics study, has provided insights into what leads people to develop RA and offers new avenues for treatments.
Researchers review developmental and genetic basis of CDH, exploring potential treatments using animal models and examining connections to lung and cardiovascular development. Studies find that TO surgery can stimulate fetal lung growth, while genetic mutations in key pathways contribute to the condition.
Researchers at the University of Chicago Medical Center re-evaluated carotid artery narrowing standards, finding that existing methods may be too aggressive. The new standards, developed using high-resolution ultrasound techniques, indicate a lower threshold for determining significant narrowing.
A study published in Clinical Chemistry found that genetic variations in the APOA2 gene are associated with dietary preferences, particularly for fat, protein, and carbohydrate. Individuals with a certain genotype were more likely to consume higher amounts of fat, calories, and be obese compared to those with other genotypes.
Researchers at University of Portsmouth have found that adding cognitive load to interviews can improve police ability to detect deception. The new approach involves asking suspects to tell their stories in reverse order, leading to more non-verbal cues and improved discrimination between truthful and false accounts.
Researchers confirm captive chimpanzees can adopt and pass on complex behaviors, demonstrating a capacity for cultural variation similar to that observed in the wild. This finding supports the idea of common ancestry between humans and chimpanzees, highlighting their shared potential for cultural complexity.
Recent falls in US coronary heart disease deaths can be attributed to a combination of lifestyle changes and medical therapies. Despite decreases in risk factors such as smoking and high cholesterol, increases in obesity and diabetes offset the progress.
A study published in the Journal of Attention Disorders found that treatment rates for ADHD have increased rapidly across all age groups, with females showing the greatest increase. Improved diagnosis and changes in medication types contributed to this growth.
The National Ecological Observatory Network has selected candidate core wildland sites across the United States for deployment, with a focus on understanding climate change and its impacts on ecology. The selected sites will host distributed sensor networks and experiments to record and archive ecological data for at least 30 years.
Scientists at University of Bonn discover endocannabinoids regulate inflammation processes. Extracts from hemp plant also show anti-inflammatory effects, potentially leading to new treatments.
The Department of Energy and Agriculture Secretary Mike Johanns have jointly selected 11 projects for awards totaling $8.3 million to accelerate the development of alternative fuel resources, including cordgrass, rice, and switchgrass.
Researchers at NIAID discovered a survival mechanism in gram-positive bacteria that protects it from antimicrobial peptides, which are defense molecules sent by the body to kill bacteria. The discovery may help chart a path to designing new drugs to bolster our antimicrobial treatment options.