Researchers investigate centro-cingulate network changes and cholinergic innervation deficits in Parkinson disease and normal aging. Studies reveal significant correlations between centro-cingulate changes and cognitive impairments, motor symptoms, and age.
Researchers at the University of Sydney have developed a physical neural network that can learn and remember data in real-time, using nanowire networks to mimic brain-inspired learning and memory functions. The network achieved high accuracy in benchmark image recognition tasks and demonstrated its capacity for online learning.
Researchers created a one-dimensional flow model to simulate methane hydrate generation and distribution processes in the Nankai Trough. The study found that low-methane flux environments produce higher concentrations of methane hydrates, while high-methane flux regions have lower concentrations.
A multicenter, retrospective study of Japanese patients treated with JAK inhibitors found impressive remission rates and low disease activity. The study's results contradict previous concerns about the effectiveness of these drugs, suggesting they may be a viable option for patients with other health problems.
A new study by UArizona researchers found that solitude does not correlate with feelings of loneliness unless a person spends 75% of their time alone. The study also highlights the importance of social connections for human health and introduces a new method to measure social activity using a smartphone app.
A new study will test a two-step music therapy intervention to reduce pain, anxiety, and depression in veteran patients. The research aims to assess the cost-effectiveness of step 1 music listening and step 2 music imagery interventions.
Research from Harvard John A. Paulson School of Engineering and Applied Sciences estimates that humans have increased atmospheric mercury levels sevenfold, with a pre-anthropogenic baseline of around 580 megagrams. Human emissions from coal-fired power plants and waste-incineration are responsible for the majority of this increase.
Researchers developed a PCR test that accurately identifies the causative agent of visceral leishmaniasis, a neglected disease affecting Brazil and Latin America. The test can detect co-infection by both Leishmania infantum and Crithidia, with infection by Crithidia more frequent than previously thought.
Researchers found an epigenetic signature in cheek cells of obese twins that differs from their thinner siblings, suggesting a susceptibility to obesity may be written into molecular processes. The discovery could lead to a simple cheek swab test for an obesity biomarker and enable earlier prevention methods.
Researchers found that Singapore's coasts were resilient during high sea-level rise rates due to high sedimentation rates. This study provides new insights into the interplay between rising sea levels and sedimentation.
Researchers used a robotic system to test the repeatable healability of a self-healing actuator, finding that it can endure up to 53 cycles before suffering permanent damage. The study aims to prevent soft robot actuators from being disposed due to permanent damage.
A new polymer binder is introduced to address durability issues in dual-ion batteries. The binder features azide and acrylate groups, which enhance the structural integrity of graphite during charge and discharge cycles. Dual-ion batteries equipped with this binder demonstrate exceptional performance, even after 3,500 recharge cycles.
A multi-institutional study found that immune checkpoint inhibition and single fraction stereotactic radiosurgery does not increase the risk of radiation necrosis in patients with brain metastases from non-small cell lung cancer. The study suggests that treatment with immune checkpoint inhibitors can continue when radiation necrosis oc...
Researchers at St. Jude Children's Research Hospital have determined the structure of vesicular monoamine transporter 2 (VMAT2), a protein crucial for packaging and releasing neurotransmitters in neurons. The study provides critical information for drug development to treat hyperkinetic disorders like Tourette syndrome.
Researchers propose that ancient planet Theia collided with Earth billions of years ago, forming two continent-sized blobs of unusual material and the Moon. The blobs, known as large low-velocity provinces (LLVPs), are rich in iron and likely composed of different proportions of elements than the mantle surrounding them.
Scientists create nanoreactor catalyst that significantly improves hydrogenation performance through reactant enrichment. The catalyst, Pt NPs@MnOx, exhibits high catalytic activities and selectivity in various reaction conditions.
A new NIH study examines the impact of the COVID-19 pandemic on adolescents with pre-existing mental, emotional, behavioral, and developmental disabilities. The findings reveal that these teens faced more severe effects, including lower life satisfaction, compared to their peers.
Researchers found gene signatures associated with head development in juvenile sea stars, but expression of torso and tail genes were largely missing. The study suggests that over evolutionary time, sea stars lost their bodies to become only heads.
Researchers analyzed data from the 2020-2021 NBA season to investigate how far-right views impact immigrant workplace performance. They found that immigrant players in regions with strong Trump support were more likely to make game errors, while native players in these areas performed better.
The latest APA journal issues provide new insights into psychotic disorders, including altered neurodevelopment and early symptoms associated with schizophrenia risk. The issues also highlight racial disparities in diagnosis and predictors of first psychotic episodes. Psychiatric Services features research on barriers to addiction trea...
Researchers discovered that manganese ions can directly bind to the coat protein complex II (COPII) complex, enhancing its condensation and resulting in a unique bell-shaped regulation on blood lipid levels. This mechanism enables the reversal of atherosclerotic plaques in murine disease models.
Scientists have created a method to keep targeted particles cool, allowing safe trapping of living cells in their native fluids. This advancement could help overcome problems with current laser light tweezers and enable targeted drug delivery applications.
Researchers developed a quasi-eutectic electrolyte to regulate the manganese cathode interface in zinc-manganese batteries. The electrolyte increases electrode potential and limits desolvation of zinc ions, resulting in improved stable kinetics during cycling. This leads to higher capacity retention rate, lower voltage polarization, an...
A new study found that oral contraceptive pill users have a lower prevalence of major depression (4.6%) compared to former users (11.4%). The researchers suggest two possible explanations for the findings: removing concerns about unwanted pregnancy and survivor bias.
Researchers will investigate high-entropy materials to create more sustainable and durable catalysts. The goal is to improve the efficiency of electrocatalysis, paving the way for a new generation of catalysts and reducing the reliance on rare and expensive materials.
A meta-analysis of 83 studies found that prior adversity exposure alters adult brain reactivity and increases susceptibility to mental health problems. This study may help identify how adversity impairs coping mechanisms and produces enduring mental health issues.
Researchers from Oak Ridge National Laboratory have validated the first technique to visualize and monitor molten salt penetration depth and distribution in graphite's pores. They identified graphite microstructure as the most important factor in determining molten salt penetration and density distribution for a given temperature and p...
Researchers create a legged small celestial body landing mechanism that can land stably in different conditions, including varying gravity and slopes. The study found that key factors such as cardan element damping, foot anchors, retro-rocket thrust, and landing slope affect the landing performance.
A new analysis of ancient fish bones and muscles suggests that the shoulder evolved from a modified version of the gill-arch hypothesis that reconciles it with the fin-fold hypothesis. The study, led by Dr Martin Brazeau and Natural History Museum researchers, provides new insights into the evolution of the shoulder girdle in animals.
New research reveals that adult coral can handle more heat and keep growing thanks to heat-evolved symbionts. The study found that these symbionts enhanced coral recovery from bleaching and improved heat tolerance without compromising growth.
A team of researchers has devised a novel micro heat engine that can produce both high efficiency and high power at maximum efficiency, overcoming the Carnot limit. The study used a tiny gel-like colloidal bead and a laser beam to direct its motion, achieving an efficiency close to 95%.
Dr. Marc A. Pfeffer will receive the 2023 Eugene Braunwald Academic Mentorship Award for his remarkable teaching and mentoring career, which has inspired numerous professionals in cardiovascular medicine. He is credited with directly mentoring 58 individuals throughout their careers.
Scientists have discovered a genetic pathway between the heart and brain tied to fainting, suggesting that the heart sends signals back to the brain that can change its function. The study found that vagal sensory neurons play a key role in fainting, with their activation leading to rapid pupil dilation, suppressed heart-rate and breat...
A study using human mini guts reveals a link between high polyp proliferation and increased serotonin production, which may lead to new treatments for Cronkhite-Canada syndrome. The findings suggest that serotonin inhibitors could improve the outcome of this disease.
Two studies from UChicago chemists offer complementary methods to address the challenge of replacing a carbon atom with a nitrogen atom in molecules. The findings could make it easier to develop new drugs by allowing for more efficient and precise modifications.
This paper surveys chip design with ML algorithms from an algorithmic perspective, proposing a novel taxonomy for target problems. The authors classify problems into regression, search, and generation problems, and discuss existing works in terms of these problems and corresponding ML algorithms.
The study reveals sizeable variations and instabilities in electron energies for freshly cleaved MoS2 surfaces, but also shows that atomic hydrogen treatment can effectively neutralize these effects. The findings have potential applications in electronics, photonics, sensors, and catalysis.
Despite declining prevalence of severely elevated LDL cholesterol, approximately 1 in 17 U.S. adults still have levels between 160-189 mg/dL, and 1 in 48 have levels above 190 mg/dL. Non-Hispanic Black, Hispanic, and socioeconomically disadvantaged individuals are disproportionately affected, contributing to disparities in outcomes.
A team of researchers at MIT has discovered a process where light can directly cause evaporation without heat, exceeding the thermal limit. This phenomenon could explain natural phenomena like fog and clouds, and enable new approaches to desalination.
The new department will expand and improve isotope research and production to meet the nation's growing need for critical isotopes. Cathy Cutler plans to leverage the Lab's nuclear physics accelerator infrastructure to develop novel isotopes and applications.
A new Duke University-led study finds that Gulf War Illness significantly reduces the ability of white blood cells to make energy, creating measurable biochemical differences in veterans with the disease. The study reveals impaired mitochondrial function, leading to lower levels of extracellular acidification and oxygen consumption.
A study published by the American Academy of Neurology found that people living in lower socioeconomic status neighborhoods are less likely to receive clot-busting medications or undergo clot-removing procedures after a stroke. This disparity was attributed to socioeconomic factors, with those from higher-status areas receiving more tr...
A new study reveals ocean warming rates nearly doubling since the 1990s, with some areas absorbing more heat than others. The Southern Ocean saw the largest increase in heat storage over the past two decades.
A new study by NUS provides insights into how BRCA2 mutations impact breast tissue cells, leading to early breast cancer development. The research found that healthy mammary glands are not predisposed to form lesions, but HR- luminal cells with BRCA2 mutations exhibit enhanced organoid formation and survival under replication stress.
A large-scale effort has been conducted to understand the co-occurrence of mosaic chromosomal alterations (mCAs) among individuals of diverse ancestries. Researchers detected mCAs using existing DNA sequencing data and found associations between mCAs and increased cancer risk.
Researchers found that as cats gained weight, their gastrointestinal transit time decreased, reducing nutrient extraction. The study also revealed changes in gut microbial composition, with an increase in Bifidobacterium and a decrease in Collinsella, opposite to what has been seen in overweight humans.
Researchers developed a community-based intervention to address food insecurity and transportation difficulties, which did not increase discrimination experiences among families. The study suggests that well-designed interventions can be provided without stigmatizing patients or families, paving the way for future research.
A new study from Tulane University found that frequent salt consumption is associated with a higher risk of developing Type 2 diabetes. The study surveyed over 400,000 adults and found participants who regularly added salt had a 13% to 39% increased risk of developing the disease compared to those who never or rarely used salt.
Dr. Marlene Rabinovitch, a renowned pediatric cardiologist, will receive the 2023 Research Achievement Award for her groundbreaking research on PAH treatment. Her discoveries have led to the identification of neutrophil elastase as a trigger for inflammatory responses and the potential use of immunosuppressant FK506 to restore lung blo...
Dr. Zainab Mahmoud received the 2023 Dr. Nanette K. Wenger Research Goes Red Award for her study identifying racial disparities in specific maternal cardiovascular outcomes. The analysis found higher rates of hospitalizations among Black women, highlighting the need for improved access to care and enhanced postpartum monitoring.
Researchers compared sea stars to other deuterostomes to learn about their unique body plan, finding that genes controlling development of the ectoderm were correlated with arm patterning in echinoderms. This suggests echinoderms may have evolved by losing trunk region of bilateral ancestors.
Scientists from Japan create a new, more efficient form of liquefied stabilized soil from construction waste that can fill narrow spaces and be pumped over long distances. The material has improved flowability and lower environmental impact, making it suitable for large-scale civil engineering projects.
A new method, Chameleolyser, reveals previously invisible genetic variations in exome sequencing data. This has led to new patient diagnoses and the discovery of potential disease genes.
A new study prioritizes risk genes at CRC GWAS loci by integrating multi-omics data, identifying 105 high-risk genes. These genes are associated with characteristics of CRC risk genes and are essential for CRC cell growth. The study suggests that integrating multi-omics data can propose candidate risk genes with high confidence.
The Klamath River dam removal project is expected to aid salmon populations by restoring habitat and reducing pathogens. However, researchers caution that disease outbreaks may still occur, and thoughtful restoration efforts are necessary.
The University of Oklahoma research project aims to understand how microbes capture carbon dioxide molecules and incorporate them into biomass. The team is also exploring electron bifurcation, a process that enables fuel upcycling reactions, which convert waste molecules into fuel.
Researchers have successfully tested an MRI-equipped ambulance, enabling faster diagnosis of stroke patients and streamlining care. The device can provide diagnostic-quality images without radiation exposure, improving treatment outcomes.
Compound extreme events like heatwaves and droughts in eastern China were prolonged by land-atmosphere coupling, leading to devastating impacts on agriculture. The study highlights the crucial role of soil moisture and energy exchange in sustaining these events.
Researchers found that urine biomarkers can be more accurate than serum biomarkers for detecting specific diseases. The study highlights the potential of combining urinary and serum biomarkers for holistic disease diagnosis and management. However, challenges remain in standardizing urinary biomarker assays and expanding their applicat...
A small clinical trial led by the University of Houston demonstrates Riluzole's effectiveness in improving functionality in people with acute spinal cord injuries. The study used an SCI-specific biomarker to show how Riluzole reduces neuron cell damage and improves motor abilities.