Physicists at the University of Chicago have measured nanoscale forces causing droplet formation in a falling stream of tiny glass beads. The resulting 'granular liquid' exhibits surface tension 100,000 times smaller than that found in ordinary liquids.
Researchers have discovered a new link between soluble amyloid beta protein and synaptic injury in Alzheimer's disease. The study reveals that amyloid beta enhances long-term synaptic depression through altered glutamate uptake at hippocampal synapses.
Researchers have created a genetically modified fruit fly that mimics key features of Charcot-Marie-Tooth disease, a neurodegenerative disorder. The study may reveal new information on how the disease develops in humans and provide a tool for discovering potential new drugs.
Researchers at UCSF advocate for a nationwide Primary Care Cooperative Extension Service to support primary care clinicians and address the shortage of physicians. The service would provide infrastructure for practice transformation through local learning communities, information exchange, and cross-fertilization of ideas among practices.
Researchers found that Helicobacter pylori is not transmitted through drinking water but rather through vomit and faeces, suggesting simple isolation and hygiene measures can prevent its spread. The study suggests isolating vomiting patients, especially children, for a short period can help prevent the bacterium's transmission.
Researchers have found a way to obtain large numbers of hematopoietic stem cells from human term placentas, which is an order of magnitude larger than those obtained from cord blood. The findings demonstrate that human term placentas are a high-capacity source of live and functional hematopoietic stem cells.
Professor Chad Mirkin's innovations have the potential to transform medical diagnostics and ignite change across industries. His nanoparticle-based medical diagnostic assays can detect disease-signifying molecules thousands of times more sensitive than commercial systems.
Two NYU Langone researchers will conduct pilot demonstration projects on microbiome and psoriasis and microbiome and esophageal cancer. The studies aim to assess the relationship between the skin or esophageal microbiome and disease progression.
A new publication highlights the potential of index insurance to help manage climate risks and reduce poverty in poor areas of the world. Index insurance uses a weather index to determine payouts, allowing policy holders to access bank loans and other types of credit previously unavailable to them.
The Sixth Annual Mantle Cell Lymphoma Consortium Scientific Workshop brought together experts to discuss key issues in MCL research, including biomarkers, chemoimmunotherapy, and novel therapeutic strategies. The report highlights the progress made in understanding this rare disease and its treatment options.
A Kansas State University study found that Girl Scout meetings can increase girls' physical activity and promote healthy habits. The two-year research involved nine Girl Scout troops, with five receiving an intervention aimed at teaching exercise sessions and nutrition.
A team at UC San Diego School of Medicine may lead to a contraceptive for female sea lampreys, a jawless fish considered an invasive pest species in the Great Lakes. The researchers' findings suggest that compounds could bind specifically to the lamprey estrogen receptor, potentially acting as contraceptives.
A study comparing reflux esophagitis in African-Americans and non-Hispanic whites found similar frequencies of complications, except for Barrett's esophagus. Non-Hispanic whites had higher rates of endoscopic and histological Barrett's esophagus and heartburn-induced endoscopy.
A recent study by Dr. David Spooner highlights the limitations of DNA barcoding in distinguishing species within complex plant groups, such as wild potatoes (Solanum section Petota). The technique's accuracy is compromised due to intraspecific variation and hybridization among species.
Researchers suggest two-tiered scanning-protocol to inspect all containers, reducing risk of bottlenecks and costs. The current inspection regime is deemed inadequate due to limited capacity and high logistical requirements.
A large-scale analysis of nearly 60,000 patients found bariatric surgery to be relatively safe with complication rates around 10% and a total mortality rate under 1%. The study's findings indicate improved safety measures in modern weight-loss surgery.
Giant Rydberg molecules are formed by two interacting atoms due to fluctuations in electron orbitals, allowing for electric field manipulation and control over molecular properties. The discovery brings researchers closer to developing new quantum devices that combine isolated atomic systems with advances in microelectronics.
Scientists at the Salk Institute have identified a pivotal role for two enzymes, WWP-1 and UBC-18, in regulating lifespan in response to diet restriction. The study found that overexpressing WWP-1 extends lifespan in worms, while depleting UBC-18 negates the effects of caloric restriction.
A recent study published in the New England Journal of Medicine reveals that personalized chemotherapy regimens can effectively treat childhood acute lymphoblastic leukemia (ALL) without cranial radiation. The study, conducted by researchers at St. Jude Children's Research Hospital, found a cure rate of 90% for all patients, with impro...
Researchers used MRI to compare brains of 38 people with dyslexia to a typical brain model, revealing differences in the right cerebellar declive and lentiform nucleus associated with varying language performance. These findings suggest different neuro-cognitive pathologies underlying dyslexia subtypes.
A recent study published in The Journal of Headache and Pain found that smoking more than five cigarettes a day increases the frequency of migraine attacks. The research involved 361 medicine students who were aware of their migraine status and reported higher prevalence of smokers among those with migraines.
Researchers at the University of Michigan have discovered a method to prolong quantum bit memory by utilizing lasers. By exciting the quantum dot with a laser, scientists were able to block magnetic field interactions and stabilize the magnetic field, resulting in a significant increase in stable existence of the quantum bit.
Researchers detect sodium salts in Enceladus plume, confirming presence of salty ocean beneath moon's surface. The concentration of sodium chloride is estimated to be similar to Earth's oceans, with a concentration of 0.1-0.3 moles per kilogram of water.
A research team at Goethe University Frankfurt has identified two proteins, Fcj1 and Su e/g, that regulate the shape of mitochondria's inner membrane. The protein Fcj1 promotes negative curvature, while the Su e/g protein induces positive bending, leading to the formation of cristae junctions.
Researchers at Dana-Farber Cancer Institute discovered a cancer-causing gene, GOLPH3, which can spur cancer cell growth and is linked to effective treatment with rapamycin. The study also found that high levels of the protein may serve as a biomarker for tumors responding well to this chemotherapy drug.
Researchers at UAB have created a 3D computer protein map of the acid-sensing ion channel-1 protein, which can help identify new drug targets and test compounds to slow brain-cell death, halt brain cancer, and improve pain control.
A recent study suggests that gastrin is an essential cofactor for Helicobacter-associated gastric corpus carcinogenesis in mice. High levels of gastrin lead to the development of stomach cancer, while absence of gastrin increases tumor numbers in the gastric antrum.
Researchers found that gastrin stimulates gastric acid secretion and plays a significant role in the development of Helicobacter-induced stomach cancer. High levels of gastrin may increase cancer risk, while low levels may lead to more tumors in specific parts of the stomach.
A recent study suggests that Saturn's moon Enceladus' water vapor jets originate from the surface and not an underground ocean. The research, conducted by the University of Colorado at Boulder, found that the sodium content in the water vapor was too low to support the geyser hypothesis.
A recent study by the Wildlife Conservation Society finds that cancer is a major threat to wild animal populations, with certain species at risk of extinction due to contagious cancers and pollution. The study highlights the need for increased health monitoring and resource allocation to safeguard animals and humans.
A recent study found that colorectal cancer incidence rates decreased significantly among whites aged 65 and over, but not among those in poorer communities. The researchers suggest that lack of access to healthcare may be the reason for this disparity. Colorectal endoscopic screening rates also increased among whites, but were lower a...
Scientists have made significant discoveries in the fight against muscular dystrophy, identifying a potential gene therapy approach to overexpress Galgt2 protein. In another breakthrough, researchers have identified a stromal marker for breast cancer progression, highlighting the importance of examining stroma PDGF receptor expression ...
Researchers found increased mRNA levels of PN-1, a prostasin inhibitor, in colorectal tissue samples from patients with mild/moderate dysplasia and severe dysplasia before colorectal cancer. Elevated PN-1 levels coincide with the acquisition of malignant properties in colorectal tissue.
Researchers at Cold Spring Harbor Laboratory have devised 'DNA Sudoku,' a strategy that allows for the simultaneous sequencing of tens of thousands of DNA samples. This approach combines concepts from cryptology and combinatorial number placement rules, reducing costs dramatically compared to conventional methods.
A new instrument, MTDEM, uses induction to generate electrical currents in the ground, detecting subsurface water on Mars. The system has potential to find habitable zones for microbes and unlock secrets of Mars' ancient surface.
A new study by University of Arizona professor Alexandra Kalev shows that employee involvement programs can increase both quality and diversity at the same time. Self-directed work teams and cross-training programs are found to give women and minorities more opportunities for career advancement.
Researchers discovered that variation in the same gene affects disease resistance in both humans and baboons, with 60% of Amboseli baboons infected with a malaria-like parasite. The findings provide new insights into the genetic basis of differences in vulnerability to infection.
New Cornell University research links 1908 Tunguska explosion to comet entry, supported by NASA space shuttle exhaust plume. The study reveals a possible connection between the two events through noctilucent clouds, which are the Earth's highest clouds forming at high altitudes and in extremely cold temperatures.
Agriculture is expected to see an increase in supply and demand, leading to higher real prices for grain and oilseeds. The rising trend of corn and soybean yields in major production areas, combined with new technologies and genetic improvements, will contribute to this growth.
B cells in every cell carry genes necessary to function, but only a small proportion matures into immune-system cells. Two chromatin remodeling complexes work in opposing directions to control epigenetic changes allowing for B-cell development.
A genetic glitch called copy number variation in a single chromosome is associated with neuroblastoma. Researchers have identified this link, which could lead to the development of targeted therapies for the disease.
A recent study found that American over-65s scored significantly better than their English counterparts in a memory and awareness test. Higher levels of education and lower levels of depressive symptoms in the US may have contributed to this difference, while aggressive cardiovascular disease treatment in England could be a factor.
A UCLA study found that miniscule levels of carbon monoxide during pregnancy cause permanent brain damage in fetuses. The exposure level was established as safe by Cal/OSHA but still led to oxidative stress and protein loss.
Researchers have developed a specific and quantitative method to measure FMRP protein levels, which is mutated in fragile X syndrome. This test will help correlate protein levels with clinical severity of the disease.
Researchers have identified a crucial role of the Foxp2 gene in human language development using a mouse model. The study found that alterations in this gene are closely linked to speech and language ability, and that it plays a significant role in various organ systems.
Almost half of older kidney transplant candidates (over 60) will die before receiving a transplant due to increased wait times. Researchers urge these patients to consider live-donor options to improve survival chances.
The study found that US seniors performed significantly better than their English counterparts in cognitive function, with a decade of ageing equivalent between the two groups. Lower levels of depressive symptoms and higher prevalence of hypertension among US adults may have contributed to this advantage.
A new study by researchers at the University of Georgia suggests that drought conditions in an area's fall and winter may lead to a statistically significant reduction in tornado activity during the following spring. In contrast, wet autumns and winters were found to have nearly twice as many spring tornado days as drought years did.
Researchers found a coffee extract can prevent malodorous bacteria from causing bad breath, contradicting the common assumption that coffee leads to bad breath. The team tested different brands of coffee and found some components that inhibit bacterial odor production.
Researchers at Duke University have found that variation in a single gene influences baboons' susceptibility to a closely related parasite, similar to its impact on humans. The study's findings provide a unique example of how the same genetic mechanism can confer resistance to different parasites.
Research reveals hypnosis induces disconnection of motor commands from normal voluntary processes through executive control and self-image circuits. The study used fMRI to test neural effects of hypnotic paralysis on brain activity, finding enhanced activation of the precuneus region involved in memory and self-imaging.
A new study suggests that transferring heart attack patients to specialized hospitals for angioplasty within six hours after clot-busting drugs significantly improves outcomes, reducing repeat heart attacks and serious cardiac complications by 36%. Patients who received earlier angioplasty also had lower rates of chest pain and second ...
A new drug combination, nifurtimox-eflornithine therapy (NECT), has shown to be non-inferior to the best current treatment in curing sleeping sickness and is better tolerated, with fewer major adverse events. NECT's safety advantages and ease of administration make it a suitable option for resource-poor settings.
A recent study finds that nicotine dependence has remained steady among adults in the US, while the proportion of addicted smokers has increased across generations. Younger women living in poverty are disproportionately affected, highlighting socioeconomic disparities in tobacco use.
University of Chicago researchers have discovered that dry granular materials can form water-like droplets when poured, revolutionizing the way we understand particle transport and manipulation. The study's findings could lead to more efficient oil refining, plastics manufacturing, and pharmaceutical production processes.
The AUA Foundation has awarded the 2009 Astellas Rising Stars in Urology to William Roberts, MD and Edward Schaeffer, MD for their groundbreaking research projects on Benign Prostatic Hyperplasia and Phospholipase A2 signaling in prostate development. The award aims to support young urologists in pursuing careers in urologic research.
A new study found that US seniors performed significantly better than their English counterparts on standard tests of memory and cognitive function. The advantage was greatest among the oldest old, with 75-year-olds in the US exhibiting cognitive abilities comparable to those of 65-year-olds in England.
Researchers have discovered that anti-inflammatory drugs used to treat arthritis can shrink lymphoma tumors in mice. The study strengthens evidence for a link between inflammation and cancer, suggesting a new way to curb the malignancy of this type of lymphoma.
Researchers at the University of Illinois have successfully focused ultrasound waves through a flat metamaterial lens to create an acoustic 'superlens'. This innovation could improve high-resolution ultrasound imaging, non-destructive structural testing of buildings and bridges, and novel underwater stealth technology.
A team of experts, led by The University of Nottingham, has unveiled a new set of high-resolution images revealing the plan of the Roman town of Venta Icenorum at Caistor St Edmund in Norfolk. The survey confirms street plan, water supply system, and public buildings like baths and temples.
Researchers developed a mini projector that can be integrated into a cellphone or PDA, producing monochrome images with high brightness, and projecting them onto flat surfaces using plastic lenses made of embossed material
Researchers will explore dark matter particles and neutrinos at the SNOLAB facility, seeking answers about the universe's building blocks and evolution. The studies aim to make new discoveries, including a rare nuclear decay related to unique neutrino properties.
Queen's University researchers will develop a unique capability to test nuclear materials in simulated reactor conditions using accelerator technology. The Nuclear Materials Testing Facility aims to improve understanding of materials degradation and development of materials for advanced reactors.
Researchers at Georgia Tech are creating programming tools to enable defense engineers to leverage the processing power of GPUs without requiring specialized knowledge. This development aims to address computational bottlenecks in complex radar and sensor systems.
A new study found that approximately 10% of children with bipolar disorder experience irritable-only mania, and these participants are significantly younger than those with elation-only or both symptoms. The study suggests that irritability should be included in the diagnosis of pediatric bipolar disorder.