Researchers at the University of Tennessee have developed a new Alzheimer's test called CST, which is more than 95 percent effective in detecting cognitive abnormalities. The test is designed to be simple and accessible for medical professionals and patients, providing an objective way to determine the presence of Alzheimer's disease.
Researchers found that female moths outgrow their male counterparts by initiating a developmental change later in life, resulting in larger adult moths. This study provides insight into the evolution of sexual size dimorphism in moths, highlighting the importance of early developmental stages in determining adult body size.
A Johns Hopkins emergency physician describes the daily struggle of making emotionally difficult ethical decisions amidst a massive influx of patients and limited medical resources. The essay outlines how standards of care were adjusted to prioritize those most likely to benefit from treatment, raising concerns about inhumane medicine.
Researchers explore the link between diabetes treatment and eating disorders, finding that insulin therapy can cause weight gain, increase hunger, and dysregulate appetite hormones. This can lead to unhealthy behaviors such as skipping or reducing insulin doses, which can exacerbate diabetes complications.
bbi-biotech offers a novel sampling system that extracts sterile samples from bioreactors without dead volume, ensuring representative and contamination-free samples. The bioPROBE MK1 system facilitates at-line analysis and real-time monitoring of process status, enabling immediate regulation and optimization.
Tropical Storm 90Q forms in the South Atlantic Ocean, with NASA tracking its movement. The storm is moving away from Brazil's coast and is expected to weaken before being absorbed by a mid-latitude cold front.
A computer algorithm was able to predict which film a volunteer was recalling based on their brain activity, suggesting that memories are recorded in regular patterns. The key areas involved in recording episodic memories were the hippocampus and its immediate neighbors.
A study by NC State researchers found that programs promoting physical activity at national parks increase awareness and participation among youth. The program, Get Up, Get Out and Go!, showed a significant increase in awareness and intention to visit a national park after implementation.
Researchers found that increased production of maize-derived ethanol in the US could lead to significant land-use changes, resulting in higher carbon dioxide emissions. The study suggests that these indirect effects may cancel out any benefits from reducing global warming.
A new clinical trial at the Virginia G. Piper Cancer Center uses molecular profiling to identify specific treatments for refractory breast cancer. The trial aims to keep cancer under control for longer periods and potentially shrink tumors.
A study by Argentine scientists reveals that yellow fever outbreaks in howler monkey populations in northeastern Argentina have tragic conservation implications for the endangered brown howler monkey. The research emphasizes the importance of wildlife monitoring as an early detection method for pathogens affecting both animals and humans.
DNA-repair proteins efficiently scan the genome for errors by jumping and sliding between DNA molecules, with paused motion representing complexes checking for structural abnormalities. The study reveals an important mechanism for maintaining genomic integrity.
A study found that important information is not fully conveyed during hospital hand-offs, even when physicians rate their communication as successful. Researchers emphasize the importance of educating doctors about effective communication skills and highlight the risks of increased hand-offs due to restricted work hours.
Emory chemists develop most potent homogeneous catalyst for water oxidation, a crucial component for clean hydrogen fuel. The cobalt-based catalyst surpasses previous WOCs in selectivity, stability, and speed.
A German-Spanish research group has developed an experiment to test for quantum properties in objects composed of one billion atoms, including the flu virus. This technique could potentially allow researchers to study life and consciousness in the context of quantum mechanics.
Researchers at Van Andel Institute developed a new model to study prostate cancer, finding that normal secretory cells depend on E-cadherin binding for survival, unlike cancer cells which rely on androgen. This discovery could lead to therapies targeting tumor cells without harming normal cells.
A new oral treatment has been shown to be effective in 95% of cases against head lice, providing a real therapeutic alternative to conventional anti-lice lotions. The study used oral Ivermectin administered at 400 μg per kilogram and found significant improvements compared to traditional malathion lotion treatments.
A new study found that watching R-rated movies increases the probability of adolescents trying alcohol, with high sensation seekers already at risk. Parents are advised to take movie ratings seriously and restrict access to R-rated films for children under 17.
A recent study highlights the disproportionate burden of chronic kidney disease (CKD) on younger minority adults receiving medical care in healthcare safety net settings. The study found that poor, minority adults with moderate to severe CKD are two to four times more likely to progress to kidney failure than non-Hispanic whites.
Glioblastoma cells use miR-451 to sense glucose availability, slowing cell proliferation and increasing migration. High miR-451 levels correlate with shorter survival, suggesting the molecule as a biomarker for predicting patient prognosis.
Researchers used 2-photon microscopy to study granulomas formed in mice infected with Leishmania donovani, identifying how killer T lymphocytes interact with infected cells. The findings provide insights into the biology of granulomas and may help improve vaccines and treatments for this neglected disease.
The US Department of Agriculture's ARS has sent its third seed shipment to the Svalbard Global Seed Vault in Norway, including a wild Russian strawberry collected from bear territory. The vault aims to store over 500,000 plant accessions for long-term preservation.
A Phase III clinical study published online in Epilepsia found that Vimpat (lacosamide) demonstrated significantly fewer partial-onset seizures versus placebo in adults living with epilepsy. The study showed that patients taking Vimpat had greater reductions in seizure frequency and a higher 50% responder rate compared to placebo.
A UBC researcher warns that allowing one-off sales of ivory could stimulate the illegal market, leading to increased poaching in Africa. The researcher emphasizes the need for robust monitoring and enforcement of the ivory trade before permitting such sales.
Researchers found that the primary visual cortex responds smaller when images are predictable, indicating an active prediction process. This challenges the classical view of passive cascades in visual perception.
Scientists at Arizona State University have developed a new imaging technology that can detect tiny particles of explosives, proteins, and heavy metals. This technique combines optical microscopy with electrochemical detection to provide a detailed map of the surface under study.
Rachel J. Dutton received the Raymond W. Sarber Award for her research on disulfide bond formation pathways across bacterial genomes. Her discovery of an alternative VKOR homologue in Mycobacterium tuberculosis has implications for understanding bacterial protein stability and anticoagulant resistance.
Researchers have observed dynamic behavior of allophycocyanin protein for over one second, a significant increase from previous methods, revealing new insights into its shape-changing dynamics.
Scientists at UW-Madison have designed a method to harness small amounts of wasted energy to produce usable hydrogen fuel. The process uses the piezoelectric effect to split water molecules into hydrogen and oxygen, achieving an impressive 18% efficiency.
The Journal of Family Business Strategy aims to contribute new knowledge and understanding to the field of family business. The journal publishes research that addresses how family influences business and vice versa.
This book brings together scholars to explore the intellectual and legal traditions of Shari'a, examining how it is expressed in a European context. Key findings include the intersection of Shari'a and secular laws, as well as the diverse interpretations of Islamic jurisprudence.
Researchers at Northwestern University characterized a special type of stem cell, endothelial progenitor cells (EPCs), to see if they can behave as endothelial cells in the body when cultured on a bioengineered surface. The study shows promise for improving surgery success rates for peripheral arterial disease.
A University of Arizona professor and graduate student found that Wikipedia's quality relies heavily on collaboration between contributors. They identified seven roles that contribute to high-quality entries: all-round contributors, starters, content justifiers, and copy editors.
A new study reveals that Arctic reindeer have evolved to bypass their internal biological rhythms, relying instead on light and dark cycles to regulate hormone levels. This adaptation allows them to thrive in environments with no reliable light-dark cycle.
Researchers at Berkeley Lab have found a novel way to influence cancer cell behavior using physical forces, which may lead to new cancer treatments. The study reveals that the EphA2/ephrin-A1 receptor-ligand complex can sense mechanical properties of its environment.
A study found that rhesus monkey babies born to mothers with flu during pregnancy had smaller brains and brain changes similar to those in human patients with schizophrenia. This suggests a possible increased risk of schizophrenia in human babies whose mothers had the flu while pregnant.
Emerging optical technologies will enable warehouse-scale computing data centers, allowing users to access their data from anywhere and at any time. Google's Cedric Lam highlights the importance of low-cost, high-bandwidth, and high-density optical fiber interconnects in powering cloud computing.
Increased frequency and intensity of oxygen-deprived 'dead zones' along the world's coasts contribute to climate change by emitting nitrous oxide into the atmosphere, exacerbating global warming. The production of nitrous oxide in these waters can lead to ozone holes and increased UV radiation exposure.
Researchers discovered mitochondrial protein and gene anomalies in young obese subjects with type 2 diabetes, leading to insulin resistance and reduced physical exercise response. The study highlights the need for specific treatments for each patient subtype.
Researchers found that replaying recent events in the hippocampus is not just for memory, but also for creating cognitive maps and making better navigation decisions. The study suggests that the brain uses replays to build a complete representation of its environment, allowing animals to plan novel routes.
Researchers found that human cells follow a bimodal correlated random walk pattern when moving in search of nutrients and growth factors. This discovery provides a general framework for analyzing cell movement, with potential applications in predicting the effectiveness of untested therapies.
A study suggests that variability in blood pressure can be a strong predictor of stroke and other cardiovascular events, independent of mean blood pressure. The researchers found that patients with the most variation in systolic blood pressure were six times more likely to have a stroke.
A new study predicts that world conventional crude oil production will reach its peak in 2014, years earlier than anticipated. The study, published in ACS' Energy & Fuels, uses a revised version of the Hubbert model to account for individual production trends and provides a more realistic forecast.
Researchers have developed PEGylated Polylysine dendrimers as a novel mechanism of drug delivery, targeting either the lymphatic system or bloodstream. The technology offers improved treatment options for diseases such as cancer, HIV, and lymphatic conditions worldwide.
Researchers studying ancient human responses to climate change in the Arctic and Kamchatka regions provide insights into how societies adapt to environmental changes. Their findings can inform governments, scientists, and NGOs on how relationships between humans and their environments may shift due to global warming.
A recent study has found that breast cancer is affecting premenopausal women in Iraq, with a significant proportion presenting with advanced stage cancer. The study also highlights the importance of early detection and treatment, as only 32% of women detected a lump on self-examination sought medical advice within the first month.
A study of over 305,000 people found that those who smoked for 40+ years were 46% less likely to develop Parkinson's disease. However, the risk did not decrease with the number of cigarettes smoked per day.
Scientists have identified a new phenomenon called cell autonomous sex identity (CASI) that explains why some birds appear male on one side and female on the other. This discovery sheds light on the sexual development of birds and may have implications for behavior, disease susceptibility, and poultry production.
Recent studies highlight the growing trend of pediatric sports injuries, particularly in gymnastics and ACL injuries. Early detection and treatment can significantly improve outcomes, while awareness and prevention are essential to addressing this silent epidemic.
A study found that owning a video game system can impede reading and writing development in young boys. The study, conducted by Robert Weis and Brittany C. Cerankosky, involved families with boys aged 6-9 who received either an immediate or delayed video game system.
A new treatment to restore brain cells damaged by stroke has passed the safety stage of a clinical trial led by UC Irvine neurologist Dr. Steven C. Cramer. Patients showed no ill effects after receiving sequential growth factors that encourage neuron creation in stroke-damaged areas of the brain.
The laser has become a crucial tool in modern chemistry, used to study climate change, ultrafast chemical reactions, and disease-related proteins. Scientists are developing new laser-based systems for detecting nerve agents and diagnosing hard-to-treat diseases.
People in seven European countries show positive attitudes toward NoMix toilets, which separate urine from feces to reduce pollution and conserve resources. The innovative technology is well-accepted, with 80% of users expressing support and many willing to use it at work or home.
Researchers found a plausible cause for small earthquakes in North Texas linked to the operation of a saltwater injection disposal well. The study suggests that fluid injection may have affected tectonic stress, reactivating faults and generating quakes.
A clinical trial conducted by researchers from Karolinska Institutet found that eprotirome, a thyroid-hormone-like substance, effectively reduces blood cholesterol levels in patients who have already received statins. The trial showed significant reductions in harmful blood fats, up to 30% lower than those of patients receiving a placebo.
Research on the Sierra Nevada yellow-legged frog reveals strong site fidelity, but also highlights the negative impacts of a changing climate and introduced non-native trout. The study found that frogs with strong site fidelity are returning to lakes that dry up or have reduced breeding success due to predation by invasive trout.
The University of Guam's T-STAR program is funding research on aphids, compost and noni to enhance tropical agriculture and public health. The projects aim to improve soil quality, reduce the spread of banana bunchy top virus and ensure shelf life of noni botanical supplements.
A multicenter trial found that pegfilgrastim and filgrastim were similarly safe and effective at restoring neutrophils following chemotherapy, requiring fewer injections. The study's results may transform treatment for all childhood cancer patients, easing the burdens of therapy for them.
A small study shows eprotirome decreases LDL cholesterol as much as doubling statin dose without harmful side effects. The researchers found that eprotirome lowered blood lipids such as triglycerides and Lp(a), which are associated with increased cardiovascular disease risk.
Researchers have found a way to enhance drug delivery to solid tumors by temporarily breaking down blood vessel walls, allowing drugs to reach the tumor more efficiently. This breakthrough could lead to improved treatment options for previously intractable solid cancers.