Researchers at MIT have developed a portable sensor that can accurately measure patients' hydration levels using nuclear magnetic resonance (NMR) relaxometry. The device has the potential to improve dialysis treatment for patients with kidney disease and could also benefit people with congestive heart failure, athletes, and elderly ind...
A team of scientists has pinpointed a long noncoding RNA molecule that influences a key receptor involved in HIV infection. This discovery may lead to new targets for therapy and increase understanding of how genetic variations affect disease progression.
Research suggests that intensive high blood pressure treatment in nursing home residents with dementia does not provide significant benefits, and may even lead to increased hospitalization rates. The study's findings recommend reducing medication doses or discontinuing use in residents with dementia, aligning with their goals of care.
A team of seismologists from Caltech is tracking thousands of tiny aftershocks in the Ridgecrest region using a novel fiber optic network. This technique involves shooting light down unused fiber optic cables, which act as individual seismometers, allowing for unprecedented detail on the evolution of earthquake sequences.
A study by St. Jude Children's Research Hospital and Massachusetts General Hospital has revealed the cells of origin for four known subtypes of medulloblastoma, a malignant pediatric brain tumor. The researchers used single-cell RNA sequencing to shed light on the relationship between the subtypes and provided new insights into Group 4...
Researchers examined medical imaging practices among nearly 3.5 million pregnant women in the US and Canada between 1996 and 2016, revealing declining trends in some procedures. The study found that imaging rates decreased over time, with a notable drop in conventional x-rays, angiography, and fluoroscopy.
Researchers at the University of Cologne have found that somatic niche cells surrounding primordial germ cells (PGCs) control their response to DNA damage. This discovery sheds new light on how PGCs maintain genome integrity, potentially improving understanding of inheritance and infertility.
Researchers at Princeton University have developed a compact, high-speed terahertz imaging system using direct emission of terahertz radiation from semiconductor chips. The device can quickly probe the identity and arrangement of molecules or expose structural damage to materials.
Researchers have found that basal meningeal lymphatic vessels function as the main plumbing pipes for cerebrospinal fluid drainage, and their integrity is impaired with aging. This study highlights the role of basal meningeal lymphatic vessels in the development of age-related neurodegenerative diseases such as Alzheimer's disease.
A new reconstruction of global average surface temperature change over the past 2,000 years identified the main causes for decade-scale climate changes. The researchers found that airborne particles from volcanic eruptions were primarily responsible for several brief episodes of global cooling prior to the Industrial Revolution.
A new study led by Trinity College Dublin researchers has found that genetics account for about 52% of the risk of developing motor neuron disease. The study involved 1117 people diagnosed with MND and found that those who carried an abnormal copy of the C9orf72 gene were more likely to have inherited it from their mothers.
Researchers from Ruhr-Universität Bochum and University of Oxford reveal the mechanism behind activating hydrogenases, complex enzymes that produce hydrogen efficiently. The discovery sheds light on the process of introducing a chemical cofactor into the enzyme's active center.
A PSU biologist is investigating the link between a Western diet high in fat and sugar and its effects on the immune system, with a focus on chronic inflammation and sepsis severity. The researcher aims to identify molecular mechanisms behind this relationship and explore potential dietary interventions.
Researchers have created a prosthetic arm called the LUKE Arm, which can mimic human hand sensations, allowing amputees to pick up objects with greater precision. The arm uses a system of mathematical calculations and modeling to send biologically realistic signals to the brain, enabling users to feel touch, texture, and pressure.
A study by D. André Green found that cold temperatures speed up the monarchs' internal timer, allowing them to terminate diapause and prepare for spring migration. The research suggests that cold temperature plays a critical role in regulating the timing of biological processes in monarchs.
A University at Buffalo study reveals that eating bitter foods like broccoli can alter the taste of those foods, and diet composition affects saliva proteins. Repeated exposure to these foods changes the sense of taste, making them more palatable.
The KDD Cup 2019 competition featured three tracks tackling societal challenges such as transportation and malaria. Teams won prizes of up to $15,000 by applying machine learning tools to complex problems.
A new approach predicts US population and income changes at the level of individual counties, enhancing understanding of potential climate change scenarios. The model accounts for labor migration and various social and economic factors.
A team of researchers has developed a high-performance computing framework to simulate cancer treatment combinations, aiming to improve personalized medicine. The tool, called EMEWS, uses agent-based modeling and machine learning to identify optimal treatment parameters for various types of cancer.
Researchers at Cincinnati Children's Hospital Medical Center designed an AI-powered system to streamline clinical trial recruitment. The Automated Clinical Trial Eligibility Screener (ACTES) reduces patient screening time by 34 percent and improves enrollment by 11.1 percent compared to manual screening.
Researchers at Stanford University have designed a photon diode that can only flow in one direction, enabling faster solutions to scientific, mathematical and economic problems. The device uses nanostructures and metasurfaces to manipulate light and break time-reversal symmetry.
Researchers discovered a connection between cortisol levels in hair and depression risk in teens, with low cortisol levels also linked to mental health struggles. Family support was found to reduce depressive symptoms in adolescents.
A recent study found that genetic mutations affecting RNA regulation play a crucial role in autism spectrum disorder and stroke. Analyzing noncoding DNA, researchers discovered new insights into the mechanisms underlying these complex conditions.
Researchers at Champalimaud Centre for the Unknown discovered a cell-competition mechanism called fitness fingerprints that allows cancer cells to disguise themselves as healthy cells. By blocking this mechanism, they found that tumour growth can be slowed down, but not eliminated.
Researchers examine SKA-MPG telescope prototype for its ability to investigate cosmic background radiation with ultra precision. The study provides new insights into the origin of the Universe and explores potential applications in gravitational wave detection and dark energy research.
A new study published in Infection Control and Hospital Epidemiology found that using the number of central lines as a denominator decreased Central Line-Associated Bloodstream Infection (CLABSI) rates by 25%. The presence of multiple concurrent central lines may indicate severity of illness, posing a risk for bloodstream infections.
A recent study found that visits to the dentist drop substantially after adults turn 80, particularly among racial and ethnic minorities. The research highlights disparities in adult dental care by race and immigration status, with immigrants and minority groups facing barriers to accessing quality dental care.
A Northwestern University study found that 80% of Americans' calorie consumption comes from store-bought foods, highlighting the need for healthier options. The food supply plays a central role in obesity and cardiovascular disease development.
A new study published in Science Advances reveals that a cellular switch called CREB plays a key role in directing tumor growth in non-small-cell lung cancer. Researchers found that blocking this switch could have therapeutic benefits for patients with this deadly type of cancer.
Researchers at UCI have sequenced the genome of the white-footed mouse, which carries the bacteria causing Lyme disease. The study provides a roadmap for fresh approaches to preventing disease transmission, including developing an environmentally-safe vaccine method.
Research suggests that forest elephant extinction will lead to an increase in fast-growing tree species, which store less carbon than slow-growing species. This shift will reduce the forest's ability to sequester carbon, releasing more CO2 into the atmosphere.
A new method using multiple high-energy laser beamlets accelerates electrons to incredibly fast speeds, improving energy transfer efficiency. This technique can aid laboratory astrophysics and cancer therapy research, enabling more powerful X-ray and ion generation.
Scientists at Goethe University have elucidated the interaction of bacterial effectors, revealing how regulator SidJ controls virulence factors. The discovery sheds light on Legionella's ability to multiply in immune cells and offers potential strategies for inhibiting its spread.
A new viral HIV vaccine has successfully protected rhesus macaques from high-dose SIVmac239 challenges, a notoriously difficult-to-defeat strain. The vaccine uses a gene-therapy inspired approach and durable protection is achieved with a single inoculation.
A study by University of Würzburg scientists found that climate change accelerates the flowering of pasque flowers, outpacing the emergence of solitary bees, which rely on these plants for food. This disruption can lead to reduced seed production and reproductive success in plants, while negatively affecting bee populations.
A University of Queensland study found that some young children are spending an average of 50 minutes per day on screens, exceeding the national guideline of zero screen time in children under two. The guidelines aim to provide a healthy start for children and limit screen time to promote development and growth.
Professor Peter Schultz received the 2019 Tetrahedron Prize for his advances in chemical biology and drug discovery. He is credited with developing methods to expand the genetic code of living organisms and discovering catalytic antibodies.
Researchers found that meal timing strategies like eTRF lower hunger hormone levels and improve metabolic flexibility, while also increasing fat-burning. The study suggests that these strategies may be more effective than previous research on improving metabolic health.
A new study at Cornell University found that smaller class sizes lead to more equitable participation in STEM classrooms, particularly for women. The research highlights the importance of diverse teaching strategies and evidence-based active-learning techniques to create a small classroom climate.
A systematic review and meta-analysis of 40 studies found that non-invasive tests such as dilated pupils, abnormal posturing, and CT scan signs are not sufficient to diagnose increased intracranial pressure. Critically ill patients with suspected ICP should be transferred to a more expert centre for further monitoring.
The University of Tokyo researchers modeled the amyloid beta sheets causing Alzheimer's disease and found that atoms too far apart can still influence each other through electron neighborhoods. This discovery may help predict the true structure and behavior of molecules based on their chemical sequence.
Researchers at Osaka University have demonstrated a new mechanism for charge mobility in organic single crystals, challenging previous assumptions. The study's findings show that molecular vibrations caused by flexibility limit the performance of organic semiconductors.
A recent study found that US physicians prescribe opioids more frequently to patients during hospitalization and at discharge compared to peers in other countries. The study adjusted for pain severity and patient illness, but still observed a significant difference.
A nationwide study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that high blood sugar levels significantly increase the risk of pancreatic cancer. The study suggests that early detection of hyperglycemia and lifestyle modifications to improve glucose profiles may help lower this risk.
Physicists have confirmed an updated computer code can predict and prevent leaks in fusion plasmas, reducing energy loss and damaging machines. The revised TRANSP code accurately models particle behavior, enabling better understanding and prediction of instability effects.
A new study from KAUST has improved the efficiency of protein-induced fluorescence enhancement (PIFE) by identifying conditions that lead to either enhanced or quenched fluorescence. By understanding these conditions, researchers can better interpret laboratory results and gain more precise insights into molecular events.
A population-based study in Alberta, Canada, found that hospital-acquired C. diff is associated with significant attributable cost and length of stay among adult inpatients. The analysis used micro-costing data and a propensity score-based design to determine the economic burden of HA-CDI.
Researchers studied Adélie penguins at Edmonson Point to examine immune and genetic stability. They found quantities of cell types associated with future cell death, genomic instability, or cancer development in 19 adult penguins.
An expert in The BMJ argues that the expansion of the digital GP service, GP at Hand, may worsen primary care for vulnerable patients. Despite its popularity, the service primarily caters to a healthy and affluent population, leaving GPs with complex cases to manage.
Regional climate fluctuations, such as Medieval Warm Period and Little Ice Age, varied across the globe. The study found no evidence of uniform warm and cold periods across the world over the last 2000 years.
Researchers present a treatment program to guide effective control of sarcoptic mange disease in wombat populations, building on lessons learned from a previous outbreak at Narawntapu National Park. A longer-lasting treatment and improved delivery are proposed to improve capacity for controlling the disease.
Researchers have developed an AI algorithm that can detect abnormal pupil dilation and heart rate patterns in mice with autism-like features. In a study, the algorithm accurately identified 80% of girls with Rett syndrome and showed promise for early diagnosis of autism spectrum disorder.
Researchers found drastic drops in organic material preserved in core samples from the Paleocene-Eocene Thermal Maximum event, suggesting soils emitted atmospheric carbon dioxide. The findings could mean global climate models overestimate terrestrial ecosystems' ability to mitigate future warming.
Tropical Depression 3 formed on July 22 and dissipated by July 24, with NASA's Terra satellite capturing an image of its remnant clouds. The depression was centered about 60 miles east-southeast of Daytona Beach, Florida, with maximum sustained winds near 35 mph.
A new study found that former NFL players are nearly 6 times more likely to have atrial fibrillation compared to men of similar age. The researchers believe that the prolonged strength training involved in American football may increase heart chamber size and wall thickness, leading to altered heart rhythms.
A Mediterranean-style diet rich in tree nuts like walnuts and extra virgin olive oil was found to improve maternal health outcomes during pregnancy, including a reduced risk of gestational diabetes. Women who followed the diet gained an average of 2.75 pounds less than those receiving standard prenatal care.
Researchers at Johns Hopkins Medicine discovered that certain forms of heart disease may result when circulating anti-inflammatory white blood cells fail to properly differentiate into macrophages. Blocking a key protein, IL-17A, permits healthy cardiac function and allows macrophages to protect the heart muscle.
A four-year study will investigate how green sea turtles' reproductive behaviors influence the effects of climate change. The research team, led by Lisa Komoroske, will use genetic samples and satellite telemetry to estimate sex ratios and predict population viability under different climate scenarios.
A study found that when people are informed about a victim's past moral transgressions, they are less likely to take action against the company. This phenomenon can lead to irrational victim blaming, harming individuals, groups, and society. The study aims to increase awareness among consumers and empower them to make rational decisions.
A new material developed by the KIST-Stanford team exhibits high stretchability, high electrical conductivity, and self-healability. The material was tested as an interconnect and successfully transmitted biometric signals from a human body to a robotic arm, mimicking human movements in real-time.