A report by Cardiff University shows that organic and agroecological farming can significantly increase yields for resource-poor farmers, improving food security and sustaining environmental resources. Case studies in India, Madagascar, Ethiopia, Brazil, and Bolivia demonstrate the potential of these practices.
A study of patients entering detoxification for alcohol and other drug dependence found that serious injury is common among those with alcohol dependence. The study suggests that problems with alcohol, rather than illicit drugs, are associated with increased risk of injury.
Scientists discuss advancements in predicting extreme weather events, analyzing changes in global snow and ice cover, and the challenges of global environmental monitoring. New data from NASA's Earth-observing spacecraft reveal complex patterns in climate change and its effects on our planet.
A diagnostic scan called capromab pendetide immunoscintigraphy can detect recurrent disease if it is localized to the area of prior prostate surgery or has spread to other parts of the body. The study found that this imaging tool is more sensitive than CT and bone scans in identifying the site and extent of disease recurrence.
Research suggests that chronic alcohol consumption leads to long-lasting brain changes that promote relapse. Stressful cues and environmental triggers also contribute to relapse drinking. Understanding these factors is crucial for developing effective treatments, such as medications and behavioral therapies.
Arterial blood lactate measurement can rapidly identify patients at risk of dying from paracetamol-induced acute liver failure, potentially improving transplant selection speed and accuracy. A modified criteria incorporating early lactate measurements could further enhance this process.
Researchers at the AAAS Annual Meeting discuss advancements in nanoelectronics, including mesoscale structures and single-molecule devices that could lead to more powerful electronic and computing devices. The development of these devices is dependent on a better understanding of dynamic behavior and circuitry.
A study by Dartmouth researchers found that restricting R-rated movies is associated with lower rates of adolescent alcohol and tobacco use. The study surveyed over 4,500 students in grades five through eight, showing a significant decrease in smoking and drinking among those who never watched R-movies.
A systematic review of prison populations in 12 Western countries found that prisoners were two to four times more likely to have psychosis and major depression, and about ten times more likely to have antisocial personality disorder. This suggests that mental health issues among prisoners may require increased attention and treatment.
A six-year study of over 1 million adults found that those who slept 6-7 hours a night had a lower death rate compared to those who slept 8 hours or more. The study, led by UCSD professor Daniel F. Kripke, could not explain the causes behind this association.
A new enzyme called Set2 has been discovered, which regulates gene expression by methylating histone protein H3. This process can help turn genes off, potentially offering a new approach to treating human diseases such as cancer.
Researchers at UNC School of Medicine are exploring the role of growth factors in axon regeneration, with a focus on improving spinal cord repair. They have identified a signal transduction mediator that promotes rapid axon growth and widening.
A UK national conference will discuss whether devolution poses a threat to British identity, bringing together politicians, academics and business representatives. The event aims to connect debates on the impact of devolution on Britain's unity and shared institutions.
A study by Hopkins researcher Jane McGowan found that hypoglycemia altered the ability of certain neurotransmitter receptors to bind glutamate, a key molecule for normal brain function. The research suggests that hypoglycemia may impact the brain's ability to develop normally, particularly in regards to learning and memory.
A new protocol for administering pneumonia vaccines has shown promising results in improving vaccination rates among hospital patients. The study found that the protocol resulted in a 38% vaccination rate, compared to 4.9% in standard procedures. This intervention can potentially save lives and reduce healthcare costs.
New research reveals that a biological arms race occurs between males and females in reproduction, with sex-specific traits leading to balanced conflicts. The study shows that the arms race is indeed balanced but not perfectly so, with some species experiencing high rates of costly matings.
Keblinski's research on polycrystalline diamonds reveals surprising strength and potential for designing stronger, less brittle materials. His work has implications for ceramics in turbines and other applications.
Deep-vein thrombosis (DVT) is a serious medical condition with minimal symptoms, yet it has never received the same attention as heart attack or stroke. The Council for Leadership On Thrombosis Awareness and Management aims to raise awareness and educate the public about DVT risk factors and symptoms.
Researchers have developed a uniform methodology to measure carbon, nitrogen, and phosphorus levels in estuaries, revealing the relative health of coastal waters. The data show that some estuaries, like Tokyo Bay, have significantly higher nutrient loads than others, such as the Chesapeake Bay.
Researchers at UC Riverside demonstrate the lateral Casimir force, a new type of force that can create horizontal sliding motion between surfaces. This shape-dependent force has vast implications for micromachines and microdevices.
Researchers at the University of Pennsylvania School of Medicine have found a remote control mechanism that sets human growth hormone into action, operating from 15 kilobases away. This discovery could lead to an eventual gene therapy for type of dwarfism resulting from pituitary gland's inability to manufacture hGH.
Regular intense exercise over nine months improved glucose metabolism in overweight individuals, with benefits persisting after cessation. The study found significant reductions in insulin levels and improvements in cardiovascular health.
A study of Peruvian children found that chronic malnutrition in infancy is associated with poor cognitive function in late childhood. Children who were stunted or had Giardia infections performed lower on the Wechsler intelligence scale, highlighting the importance of addressing nutritional deficiencies and parasitic infections early on.
Researchers discovered a gene, wishful thinking (wit), that regulates neural development and synaptic growth in fruit flies. The gene is involved in coordinating muscle growth with synapse growth, essential for proper muscle contraction.
A study of urban pregnant Native American and African American women found that these groups have higher rates of Fetal Alcohol Syndrome (FAS) than white women. The research reveals distinct beverage preferences, with beer being the preferred choice among Native Americans and malt liquor among African Americans.
A Scripps Institution of Oceanography study reveals a significant warming trend in the Southern Ocean over the last 50 years, with temperatures rising nearly double the global average. The research suggests that this region may be responding more rapidly to climate change than previously thought.
Children with severe stunted growth at age 2 scored 10 points lower on cognitive tests than their peers, indicating that the detrimental effects of malnutrition linger through childhood. Diarrhea caused by G. lamblia parasite also reduced test scores, highlighting the importance of addressing nutritional needs in young children.
A new study finds that restricting R-rated movies is associated with lower rates of adolescent alcohol and tobacco use. Children who are not restricted from watching R-rated movies are three times more likely to smoke or drink compared to those who have no restrictions.
Researchers have found that birds excel in tasks such as combining objects in specific orders, using vocal labels, and learning complex songs. This suggests that the neural machinery involved in these abilities may not be unique to primates, but rather has evolved separately in birds.
A study found that prenatal alcohol exposure differentially affects visual and auditory attention in adolescents, with dysmorphic individuals showing a specific deficit in visual processing. The results suggest that attention is not uniformly affected, and knowledge of these patterns may aid in the development of remediative programs.
A recent outbreak in England and Wales highlights the need for better vaccination coverage among Mecca pilgrims, with a previously rare strain causing high case-fatality rates. Enhanced surveillance and early recognition are crucial to prevent further transmission of the disease.
The world's top 10 coral reef hotspots, rich in marine species found only in small areas and highly vulnerable to extinction, have been identified. The study highlights the need for conservation efforts to protect these critical ecosystems from human activities such as agriculture, deforestation, and climate change.