Researchers altered brain activity of rats by changing firing rates of neurons in the central thalamus, waking some and putting others into unconscious states. The study uses functional magnetic resonance imaging (fMRI) to scan brain activity and may guide deep brain stimulation therapies for neurological disorders.
A randomized clinical trial found that vitamin D2 supplements did not reduce the need for anemia drugs in dialysis patients. The study, published in the Journal of the American Society of Nephrology, suggests that nutritional vitamin D may have no role in treating anemia in patients with chronic kidney disease or kidney failure.
Scientists have discovered a gene responsible for dividing two related fruit fly species, providing insight into the evolutionary process of speciation. The gfzf gene plays a role in regulating cell cycle progression and may also contribute to the development of cancer.
Researchers found five genetic loci associated with successful aging, involved in cell senescence, autoimmunity, and Alzheimer's disease. These genes may provide clues about physiological mechanisms for healthy aging and have the potential to improve health outcomes.
A computer model predicts changes in tidal water level and salinity in Bangladesh's delta region, affecting farmland and the Sundarbans mangrove forests. The model could inform decisions on irrigation and crop management to mitigate potential flooding and ecosystem damage.
The article highlights four ways in which current hunting policies for large carnivores do not align with ecological theory and data. The authors emphasize the need to account for different methods of sampling effort and detection, as well as evaluate policies state by state.
Researchers have discovered a direct link between autism symptoms and reduced action of the inhibitory neurotransmitter GABA. The study suggests that increasing brain concentrations of GABA may have potential as an autism treatment.
The Journal of Comparative Effectiveness Research discusses new recommendations from the Center for Medical Technology Policy's Green Park Collaborative for evaluating oncology treatment sequences. The framework developed by GPC-USA aims to fill evidence gaps and identify patient-important outcomes, ultimately improving cancer patient ...
Research suggests environmental changes are driving an increase in Plasmodium knowlesi malaria cases among people in Malaysia. Deforestation and land use changes are thought to be key drivers of the emergence of this disease, which is usually found only in monkeys.
A NYU nursing study found that obesity is a significant risk factor for breast cancer-related lymphedema, which can be managed with early and appropriate treatment. The study suggests that general instructions on nutrition-balanced diets and physical activities can help maintain pre-surgery weight.
Researchers discovered epigenetic modifications in mouse brains that influence long-term memory, suggesting a potential code for memory content and new therapeutic targets. The study also found these modifications occur in non-neuronal cells, expanding our understanding of neuroplasticity regulation.
Cardiff University scientists have engineered a new dual 'homing' agent that inactivates the complement system in the brain, reducing inflammation and aiding recovery. The treatment has shown promise in mice with traumatic brain injuries, potentially leading to life-changing benefits for humans.
The La Jolla Institute will characterize immune responses to dengue virus and Mycobacterium tuberculosis with the HIPC grant. The research aims to identify effective gene signatures for vaccines against these diseases, which are major global health challenges.
Researchers found that flaviviruses target peroxisomes to subvert the body's early antiviral defenses. The degradation of protein Pex19 leads to a loss of interferon production, making cells more vulnerable to viral infection.
Researchers have discovered a compound that induces genes to control infection in several known viruses, including West Nile and Ebola. The findings show promising evidence for creating a broad-spectrum antiviral that can suppress a range of RNA viruses.
Researchers found that individuals with autism have lower levels of GABA, a key inhibitory neurotransmitter, which suggests a breakdown in the signaling pathway. This breakthrough could lead to early intervention efforts through visual screening tests for younger children.
Researchers at the University of Luxembourg have discovered a high-k-material that enables better energy storage devices, which could lead to smaller, faster and more efficient electronics. The material's unique dielectric properties allow it to generate strong electric fields, making it suitable for capacitors.
A study found that patients younger than 50 diagnosed with non-small-cell lung cancer have a higher likelihood of having a targetable genomic alteration for which therapies exist. However, they also have an unexpectedly poor prognosis, with median survival rates ranging from 13.6 months for those over 70 to 18.2 months for those under 40.
Researchers discovered that lung cancer in younger patients has distinct genetic subtypes that can be treated with available targeted therapies. However, these patients' survival times are shorter than expected due to the more aggressive nature of the disease.
The invasive spotted lanternfly can cause considerable damage to crops and ornamental plants. A new resource provides information on how to identify and manage the pest, which has already been detected in Pennsylvania and may spread to other areas.
Researchers studied three species of snakes to understand how their unique belly shapes aid in climbing. Brown tree snakes have sharp-edged keels that allow them to grip and propel themselves up trees efficiently, a trait also seen in some corn snakes but not boa constrictors.
Researchers at Oak Ridge National Laboratory have developed a new ultra-high-resolution technique to study polymer fibers trapping uranium in seawater. The findings suggest that traditional approaches to understanding the binding of uranium by polymer fibers do not accurately represent its behavior in bulk materials.
The study reveals that glutamate triggers calcium release to stabilize GABAA receptors, maintaining proper excitatory-inhibitory balance. This finding has implications for understanding disorders related to imbalance, such as epilepsy and autism.
Researchers found that soaking islet cells in Anti-aging Glycopeptide (AAGP) protects them from tacrolimus, a toxic drug commonly used during transplants. This allows for fewer cells to be used, potentially treating more patients with the Edmonton Protocol.
Berkeley Lab researchers model hot carrier movement in real-time, distinguishing between plasmon and single particle excitation behaviors. The study shows that 90% of plasmon energy can be converted to single particle energy when excitations are in tune.
Researchers have discovered molecules that act as cellular identification tags on neurons in the fruit fly Drosophila, guiding the development of the neuromuscular and visual systems. The finding validates a theory proposed by Roger Sperry in the 1950s and provides insight into brain development.
A leading researcher at the Case Western Reserve University School of Nursing is developing new treatments for cystic fibrosis, a life-threatening genetic disease. The scientist will lead two studies to explore gene-modifying treatments that can minimize CF symptoms, including medications and genetic correction.
Researchers have successfully synthesized a two-dimensional sheet of boron, known as borophene, with metallic properties at the nanoscale. The material's unique atomic configuration and anisotropy result in a high tensile strength, making it a promising candidate for applications in electronics and photovoltaics.
The latest volume of Research on Chrysomelidae celebrates its 30-year legacy, featuring works from a multinational research team and dedicated to Prof. Pierre Jolivet's contributions. New areas for investigation are highlighted, including Madagascar and the impact of deforestation.
Researchers have successfully mapped the structural map of a tiny cellular nanomachine called diacylglycerol kinase, which plays a critical role in bacterial cell wall synthesis. The nanomachine's evolution is an extraordinary feat of nature, and its molecular blueprint has shed new light on how it performs its cellular duties.
A new study from NIMBioS sheds light on strategies used by creationists to influence evolution teaching in public schools. Antievolution bills show evidence of 'descent with modification,' copying recent legislation, and often tie back to creationism through statements or sponsors.
A 14,000-year-old thigh bone found in China suggests a mysterious pre-modern human species may have survived until the end of the last Ice Age. The bone has features similar to ancient human genera, including Homo habilis and early Homo erectus.
A recent study by the University of Melbourne found that every Australian city and town has threatened species. The study highlights the importance of planning and managing cities for conservation as well as human wellbeing.
The OSIRIS-REx Laser Altimeter (OLA), contributed by the Canadian Space Agency, will create 3-D maps of asteroid Bennu to select a sample collection site. The OLA is an advanced LIDAR system scanning the entire surface of the asteroid for fundamental data on its shape and topography.
A University of Utah-led study identified a long-sought 'hybrid inviability gene' responsible for dead or infertile offspring when two fruit fly species mate. The discovery sheds light on the genetic and molecular process leading to formation of new species, and may provide clues to how cancer develops.
Following a terrorist attack in London, research found that liberal attitudes towards Muslims and immigrants shifted towards conservative views, with increased national loyalty and decreased emphasis on fairness. This shift was attributed to changes in moral foundations, including greater in-group loyalty and prejudice against out-groups.
A new parent-led therapy, PASS, has been successfully tested in India and Pakistan, showing improved interaction between autistic children and their parents. The study, funded by Autism Speaks, adapted a UK therapy method to address language and cultural differences in lower-income countries.
Researchers found schreibersite, an iron-nickel phosphide mineral, could provide phosphate essential for prebiotic molecules. The mineral's phosphorylation reaction with early Earth water likely played a role in the emergence of metabolic molecules.
The study found that the net fiscal redistribution from the non-refugee population to refugees in Sweden corresponded to 1.0 percent of Swedish GDP in 2007. This is due to lower public per capita revenues from refugees compared to the total population, largely attributed to their lower employment rate.
A study by Friederike Range and colleagues found that dogs donated food to familiar partners more often than to unfamiliar ones. The researchers also discovered that the degree of familiarity among the dogs influenced this behavior, with prosocial behavior exhibited less frequently towards unfamiliar dogs.
Researchers found that coral communities on most of the reefs had recovered rapidly from a major bleaching event. However, reefs dominated by branching and table corals are vulnerable to higher sea surface temperatures, threatening their growth potential.
Researchers at Oxford's NQIT Hub develop a hybrid logic gate using calcium-40 and -43 ions, demonstrating precision beyond the fault-tolerant threshold. This achievement advances the development of trapped-ion quantum computing and its potential to solve complex problems in chemistry and biology.
Astronomers have discovered a planetary system with an enormous planet sandwiched between a Sun-like star and a dwarf star. The planet's massive eccentric orbit indicates gravitational influence from the dwarf star, leading to Kozai oscillations that cause it to 'dance' between the two stars.
Researchers at Case Western Reserve University have created flexible, wire-shaped microsupercapacitors that can be woven into garments to power wearable electronics. The capacitors increase energy density and capacitance by coating a titanium wire with aligned carbon nanotubes, allowing for more efficient charging and discharging.
Research by James Cook University scientists found a ketogenic diet reduces animal behaviors resembling schizophrenia, potentially providing an alternative energy source and circumventing cellular energy pathways. The diet has also been shown to lead to weight loss and lower blood glucose levels in mice.
Three new species of fishing snakes were identified in the Andean cloud forests of Amazonian Ecuador and Peru, with differences found in scale features, male sexual organs, and DNA. The discovery expands the Synophis genus to eight members and highlights the biodiversity hotspot in western South America.
Scientists uncover network of genes controlling puberty onset, discovering repressors that delay puberty. The study may help develop new treatments for precocious puberty and understand the impact of environmental factors on early puberty onset.
A recent study from New York University has revealed a new mechanism to curb the activation of T helper 17 (Th17) cells, which play key roles in autoimmune and inflammatory diseases. The researchers discovered that a specific enzyme called DDX5 must first unfurl a snippet of genetic material called Rmrp to activate Th17 cells.
Researchers at UMMS have identified a new life cycle stage in HIV infection, dubbed intra-nuclear migration, which relies on human protein CPSF6 to guide the virus through the host cell's nucleus. This phase was previously unappreciated and sheds light on early events of HIV infection.
A study published in PLOS ONE analyzed the clicks of Mediterranean sperm whales and found that most individuals range from 7.5 to 14 meters in length, with a peak range of 9-12 meters likely corresponding to adult females or young males
Researchers have made direct observations of the Greenland Ice Sheet's reduction and melting over the past 110 years. The study reveals that some areas have lost considerable amounts of ice during the twentieth century, with mass loss along the southeastern and northwestern coast contributing significantly to global sea level rise.
The Montefiore Einstein Center for Cancer Care has received a $1.18 million NIH grant to train surgical residents as researcher-surgeons, focusing on tumor microenvironment and novel targets. The program aims to equip future surgeon-scientists with the skills needed to succeed in cancer research.
Overweight and obesity are strong predictors of metabolic syndrome in menopausal women. Women who experienced menopause during the study had a higher risk if they were overweight or obese, with risks increasing by up to 12 times for those who were obese.
UTSA will create the PIVOT program to increase student engagement, retention and graduation. The program aims to support six goals, including increasing associate's degree completion and bachelor's degree graduation among specific student populations.
Lakes are warming at an average rate of 0.34 degrees Celsius per decade, posing significant threats to drinking water and aquatic habitats. The study predicts a 20% increase in algal blooms and a 5% rise in toxic algae, with methane emissions projected to rise by 4% over the next decade.
Cancer cells use nanoscale bridges to communicate with healthy cells, leading to metastasis. Researchers discovered that disrupting these bridges can prevent cancer cell spread using pharmacological agents.
Researchers from California and Saudi Arabia found that nearly 40% of red palm weevils flew more than 10 kilometers, with some reaching distances of up to 50 kilometers in just 24 hours. The study provides valuable insights into the flight capabilities of these pests.
A recent study in Nature estimates the Greenland Ice Sheet's mass loss since the start of the 20th century, providing insights into how global warming affects sea levels. UB geologist Beata Csatho emphasizes the need for more research to understand the ice sheet's past behavior and its future evolution.
A team of scientists has discovered a way to control ultraviolet light emission from a complex oxide material by adding a water molecule to its surface. This discovery enables the potential for improving chemical sensors, computing, and information storage.
A Dartmouth study sheds light on how winds blowing across lakes affect the chemical makeup of water vapor above and evaporated from lakes. The research provides new insights into the hydrological cycle under changing climate conditions.