USDA-funded scientists in Hawaii have developed new fish feeds using discarded fish parts that can attract shrimp and boost their growth, similar to studies on Alaskan pollock and cod. Researchers are now refining these practical feeds for nutritional balance, cost-effectiveness, and environmental safety.
Researchers found that desert night lizards stay with their parents and siblings for several years after birth, forming family groups. The study suggests that viviparity provides the opportunity for prolonged interaction between mothers and offspring, predisposing animals to form cooperative behaviors.
Researchers have demonstrated that producing nanoscopic crystals of a pharmaceutical product can make it soluble in water, allowing for oral administration. This approach has the potential to address the issue of many medicinal drugs being ineffective when taken by mouth due to their low solubility in water.
The Solar Probe Plus mission will send a robotic spacecraft to the sun's atmosphere to answer long-standing questions about its outer layers. The probe will measure magnetic and electric properties, helping to understand how solar wind is generated and better comprehend the heliosphere.
A recent study found that electric stimulation of the right anterior temporal lobe improved proper name recall by 11% in young adults. This technique, known as tDCS, may also lead to longer-lasting effects and hold promise for treating memory decline in older adults.
The University of Colorado Cord Blood Bank has received a $6.3 million grant to collect and bank umbilical cord blood from minority groups, increasing genetic diversity and matching rates for minority patients. The bank will support an additional 5,000 cord blood units and expand collections to Arizona.
The US Department of Homeland Security is developing a national standard for bomb suits to provide sufficient protection for first responders. The proposed standard outlines minimum performance requirements, including blast and thermal heat protection, freedom of motion, and defogger performance, to ensure the safety of bomb technicians.
Researchers used DNA from century-old specimens to identify the passenger pigeon's closest living relatives, revealing a unique bird with a distinct place in the evolutionary history of pigeons and doves. The study found that the passenger pigeon was not closely related to the mourning dove as previously thought.
A new Montreal study suggests a link between air pollution from traffic and an increased risk of post-menopausal breast cancer. The study found that women living in areas with high levels of nitrogen dioxide, a by-product of vehicular traffic, were more likely to develop breast cancer.
Researchers at the Salk Institute mapped the neuronal circuitry connecting photoreceptors with retinal ganglion cells, revealing computations in individual neurons and shedding light on the neural code used by the retina. The study aimed to improve retinal implants and understand visual processing.
A new soy-based natural S-equol supplement reduced the frequency of moderate to severe hot flashes and muscle and joint pain in postmenopausal U.S. women. The study found that lower doses of Natural S-equol significantly improved symptoms, with no clinically significant adverse effects.
A patchwork of reproductive health regulations across Europe hinders access to medically assisted reproduction (MAR) treatments. Many patients resort to seeking care abroad due to limited availability and reimbursement policies.
Marine scientists urge urgent action to save coral reefs from climate change, overfishing, and pollution. They propose management advice to empower local communities and control human impacts.
A national study found that keeping blood pressure at 130/80 mm Hg reduced the risk of disease progression by 27 percent for patients with proteinuria. However, intensive lowering of blood pressure in all African-Americans did not slow disease progression.
A year-long pilot study will assess the nutritional value of food offered in Lincoln Parish Schools, aiming to develop healthy student-approved menus. The study also explores behavior economics strategies to encourage students to make informed food choices.
Researchers found that brain cells in Parkinson's patients abandon their energy-producing machinery, the mitochondria. Boosting the mitochondria with FDA-approved drugs may prevent or delay the onset of Parkinson's disease.
A systematic review of research on herbal supplements for anxiety found strong evidence for extracts of passionflower, kava, and combinations of L-lysine and L-arginine. The study pooled results from 24 studies involving over 2,000 participants.
Georgetown University School of Medicine family medicine physician Susan Okie provides an overview of changes made by the FDA under Commissioner Margaret Hamburg. The FDA has adopted a more proactive approach to its public health mission, and is working to address growing pains within the agency.
Scientists have discovered a close link between elevated iron levels and the production of brain-destroying plaques found in Alzheimer's patients. The findings lay the foundation for new therapies to slow or stop iron buildup, which contributes to the disease.
A new consensus statement recommends regular glycemia screening and early identification of patients at metabolic risk to slow or reverse beta-cell decline. The Endocrine Society has launched a website to promote pathophysiology-based clinical practices and aid primary care physicians in interpreting concepts of disease pathogenesis.
A new tool called BLADE has been developed to eliminate drive-by download threats, which infect computers silently without user knowledge or consent. The software successfully blocked all drive-by malware installation attempts from over 1,900 malicious websites, including Adobe Reader and Sun Java targets.
Researchers have developed a dynamic model to explain Mount Etna's existence, suggesting it resulted from decompression melting of upper mantle material. The theory provides an alternative explanation for the volcano's geological environment and surrounding volcanism.
A new study found that Latino patients with limited English skills have poor blood sugar control if seen by non-Spanish speaking doctors, even with available interpreter services. Direct communication with a Spanish-speaking doctor can improve health outcomes.
A new nutritional supplement containing S-equol has been shown to reduce moderate to severe hot flashes, muscle and joint pain, and improve bone density in postmenopausal women. The supplement also lowers 'bad' LDL-cholesterol levels and is considered safe for long-term use.
The new facility will help scientists better understand solar flares, which affect technologies like GPS systems and power grids. The expanded array will increase the number of available radio frequencies, allowing researchers to decode flare spectra and make new discoveries.
B-cell receptors form ordered oligomer complexes that only become active when binding partners disintegrate into subunits. This new model challenges the accepted scientific doctrine and may contribute to the development of new vaccination strategies and treatments for B-cell tumours.
Researchers at The Wistar Institute have discovered a new class of long non-coding RNA molecules that function like gene enhancer elements, promoting gene expression and potentially accounting for unknown genomic activity. This breakthrough joins a growing body of evidence challenging the central dogma of genetics.
A study published in BioPsychoSocial Medicine found that stressed-out mothers can exacerbate their children's asthma symptoms. Researchers discovered that mothers who suppress their emotional expressions or are chronically irritated and angry can increase their child's disease status. The study suggests that parents should focus on man...
A study found that female bears with cubs and independent young bears in the Cantabrian Cordillera do not enter hibernation. In contrast, older bears, including females preparing to give birth, exhibit typical hibernation behavior.
Researchers used MRI to identify microbleeds and altered iron distribution in the brains of individuals with mild cognitive impairment. These biomarkers predicted disease progression with high accuracy, offering new hope for early diagnosis and treatment of Alzheimer's disease.
A UBC-CFRI study found elevated levels of Th17 cells in young patients with type 1 diabetes, suggesting a potential target for new therapies. The discovery may lead to innovative treatments for childhood diabetes.
The sun uses its solar wind and ultraviolet radiation to strip Mars' atmosphere, making it cold and dry. MAVEN will examine the ways the sun loses the Martian atmosphere and measure hydrogen isotope ratios to discover how much water has been lost to space.
Researchers aim to establish dosing and safety guidelines for transplanting human umbilical cord blood cells into animal models of Alzheimer's disease. The goal is to gain FDA approval for clinical trials with patients suffering from mild to moderate Alzheimer's disease.
Researchers reconstructed an ancient protein and traced its subtle changes over time to produce diverse modern-day descendants. They found that evolution tweaked the ancestral structure to create partnerships with new hormones or signals, leading to independent proteins with increased stability.
New research suggests that massive volcanic eruptions led to the extinction of Neanderthals, causing a dramatic climate shift that devastated ecosystems. The study, published in Current Anthropology, proposes that the eruption cleared the way for modern humans to thrive in Europe and Asia.
A study from the Université de Montréal found that office workers have become less active over the last three decades, contributing to the rise in obesity. The researchers suggest integrating sport, work, and transportation to combat inactivity and promote exercise.
The Field Training Guide, developed by Johns Hopkins researchers, aims to improve research ethics training for field workers. The guide addresses key aspects of human subject interaction and is freely available online.
Scientists are struggling to explain the recent increase in Antarctic sea ice extent, with a new study suggesting that ozone depletion is not the primary cause. Meanwhile, researchers have also gained new insights into lunar topography using high-resolution data from the Lunar Orbiter Laser Altimeter. Additionally, a study on Earth's r...
A study found a group of genetic mutations that predict sensation seeking behavior, linking it to dopamine levels. The research used a new technique to analyze genes in the dopamine system, identifying 12 potentially important SNPs that explained about 4% of the difference between individuals' sensation-seeking scores.
Researchers at Vanderbilt University have created a new class of liquid crystals with enhanced electric dipoles, promising to improve the performance of digital displays. The newly developed liquid crystals also possess a unique 'zwitterionic' structure, which sets them apart from existing materials.
The University of Nottingham leads a new knowledge exchange network focusing on Earth observation technology for various scientific applications. The cluster aims to develop and promote cutting-edge technologies to monitor environmental changes and their implications.
Research found no evidence that doubling inhaled corticosteroids reduces need for rescue oral steroids, contradicting common practice. Increasing doses may provide false reassurance and undermine effectiveness of daily inhaled steroids.
Researchers found that oxygen therapy can increase peroxynitrite levels in the lungs, leading to inflammation, hemorrhaging, and swelling. A new compound, peptide 326, has been developed to interfere with this process, offering hope for reducing lung damage.
Researchers in Spain and Scotland created bricks with wool fibres that are 37% stronger than conventional bricks, reducing environmental impact. The new material is made from clay, alginate, and sheep's wool, offering a sustainable alternative to traditional construction materials.
Researchers developed a method to detect early signs of lung cancer by examining cheek cells using biophotonics technology. The test, called partial wave spectroscopic (PWS) microscopy, shows promise in prescreening patients at high risk for the disease.
Scientists have identified microRNA miR-33 as a key to controlling HDL, or "good" cholesterol levels. Increasing miR-33 levels resulted in lower HDL cholesterol levels, while turning it off raised HDL levels.
A new species of dinosaur, Sarahsaurus, discovered in Arizona suggests that dinosaurs did not spread globally by overpowering other species but instead took advantage of a natural catastrophe. The fossil, which lived around 190 million years ago, shows that sauropodomorphs started out small and later evolved to large size.
Researchers at Children's Hospital Los Angeles identified PDGF as a key factor in epicardial cell proliferation and transformation. Blocking PDGF signaling impaired epicardial cell proliferation and coronary blood vessel development.
A team of researchers found that speed cameras decrease crashes involving injury and fatalities by reducing average speed and speeding violations. The study compiled data from 35 relevant studies, concluding that the cameras are effective in preventing road accidents.
Researchers found that approximately half of increased umbilical cord IgE levels were due to maternal IgE transfer. This discovery challenges the use of umbilical cord blood for assessing allergy risk in infants.
The 2009 H1N1 pandemic response was a mixed bag, with some key successes like swift international coordination and robust public health measures. However, there were also areas for improvement, such as limited preparedness at national levels and slower vaccine development.
Researchers used ambient-pressure XPS to examine every feature of a working solid oxide electrochemical cell, operating in an atmosphere of hydrogen and water vapor at high temperatures. This allowed for direct measurement of local chemical states and electric potentials at surfaces and interfaces during the cell's operation.
A $250,000 CDC grant supports a Rhode Island Hospital study exploring the effectiveness of statewide prescription monitoring programs in reducing accidental overdose deaths involving prescription opioids. The study aims to provide valuable public health data on medication access and abuse patterns.
A vaccine that targets a genetic mutation driving aggressive glioblastoma improved patient survival, with median overall survival of 26 months compared to 15 months for control group. Limited side effects were reported.
Research study reveals that only a limited number of Streptococcus pneumoniae serotypes are responsible for most invasive pneumococcal disease globally. The top seven serotypes (1, 5, 6A, 6B, 14, 19F, and 23F) accounted for the majority of cases in every region worldwide.
Tropical Depression 14W forms near Hainan Island, China, with strong thunderstorms and rapid wind shear detected by NASA's Aqua satellite. The depression's organization and punch are being weakened by wind shear, which is expected to make it turn north-northeast before making a brief landfall in southern China.
UT Southwestern researchers have found a set of proteins in blood serum that shows promise as a sensitive and accurate way to diagnose Alzheimer's disease. The analysis proved 94 percent accurate in detecting suspected Alzheimer's and 84 percent accurate in ruling it out in people without the disease.
Scientists at Kyoto University have developed a new method to study polymers in confined spaces, revealing unexpected thermal transitions and potential breakthroughs in nanoscale manufacturing. The technique uses porous coordination polymers to trap polymers, allowing researchers to observe their behavior under controlled conditions.
A new theoretical model reported in the Journal of Chemical Physics investigates protein unfolding under smaller forces, revealing a previously uncharacterized sequential loss of structure involving fluctuation between two intermediates. The researchers discovered more steps and complexity compared to previous experiments and models.
Research by Michigan State University found that high doses of fish oil can induce severe colitis and colon cancer in mice. The study suggests that establishing dietary guidelines for omega-3 consumption is necessary to prevent harm, particularly in individuals with inflammatory bowel disease.