The NIH-led AMD Ryan Initiative Study (ARIS) will follow 500 people over five years to learn more about the natural history of early age-related macular degeneration (AMD). Researchers aim to identify biomarkers of disease progression and develop therapies to halt its progression.
Researchers compared the conditions on Europa with those of a terrestrial environment, finding similarities with a deep subterranean mine where bacteria survive without sunlight. They propose that radioactivity in Europa's crust could lead to chemical imbalances and potentially support life.
By 2050, most coral reefs are expected to experience net sediment dissolution, impacting health and biodiversity. Ocean acidification is linked to reduced calcium carbonate saturation, affecting coral growth rates.
A team of researchers has developed a statistical approach to identify characteristic signatures across unmeasurable probability distributions in quantum computers. This breakthrough could help predict the behavior of photons in optical arrangements and differentiate between various particle types, bringing us closer to solving the cer...
Researchers identify 15 patients with mutations in the PUMILIO1 gene, revealing a link between protein regulator levels and disease severity. The study suggests that identifying protein regulators could single out new candidates for disease-causing genes and open new avenues for novel therapeutic strategies.
Researchers developed an AI-based computational tool to screen patients for common retinal diseases, achieving over 95% accuracy in diagnosis. The tool also showed promise in diagnosing childhood pneumonia with over 90% accuracy, highlighting its potential applications in healthcare.
The new optical receiver achieves an aggregate bandwidth of 160 Gb/s and features rapid power-on/off functionality, reducing energy consumption by up to 85%. This innovation is crucial for building faster and higher-performance computer systems while minimizing carbon dioxide emissions.
Washington State University researchers are working on developing resistant spinach varieties against Fusarium wilt, a devastating disease that has been crippling farmers' crops in the Pacific Northwest. The team is testing over 600 varieties of spinach and studying their DNA to find genetic markers that reveal natural resistance.
Researchers at EPFL have developed a new desymmetrization strategy to access chiral building blocks containing urea sub-structures. The method uses a non-chiral cyclopropane precursor and an engineered copper catalyst to selectively form the desired enantiomer.
Research reveals two distinct periods of lake existence in the region, with increased precipitation driving formation during warmer periods. The study's findings suggest a potential analogue for future climate change and highlight the importance of understanding El Niño-driven precipitation patterns in arid regions.
Researchers infuse cellulose nanocrystals into concrete to increase its strength and hydration, leading to faster setting times and potential sustainability benefits. The technology has real-world implications, including reducing carbon emissions from cement plants and making materials thinner and lighter.
Researchers created a hyperbolic metasurface using boron nitride that produces concave wavefronts with infrared light, revolutionizing the miniaturization of sensing and signal processing devices. The team overcame fabrication challenges to achieve precision structuring on the nanometer scale.
Researchers at Penn State revealed new insights into the 'magic spot' molecule that controls gene expression in bacteria under stress. The study provides clues about key processes that could be targeted in the search for new antibiotics and contributes to fundamental understanding of bacterial adaptation and survival.
Research by Prof. Dr. Prasad Shastri at the University of Freiburg found that cancer cell membrane stiffness affects nanoparticle internalization; increasing stiffness enhances polymer nanoparticle entry through pathways rich in cholesterol.
A systematic review found that stroke survivors and caregivers feel abandoned by primary care services, lacking necessary support and information. The study suggests that active follow-up and tailored information provision could improve patient self-management and reduce disability burden.
Researchers identified a single gene mutation that makes some people more susceptible to viral brain infections like encephalitis. The DBR1 gene affects mRNA splicing, impairing immunity in the brain stem and leading to virus invasion.
Researchers from Delft University and EMBL Heidelberg witness the formation of DNA loops by a single protein complex called condensin, resolving a heated debate. The process involves condensin reeling in DNA to form loops, which are then extruded to compact the genome.
Researchers discovered that most new cardiomyocytes come from cardiac progenitor cells during early embryonic development, but this ability fades as mice mature. The study's findings could lead to methods for regenerating heart tissue after a heart attack.
A Rutgers study found that striped maples change sex periodically, prompted by physical damage, and can wait up to three weeks before flowering. The research suggests that the trees' ability to delay reproduction may be an adaptation to their perilous environment.
Scientists have decoded the three-dimensional molecular structure of the healthy human huntingtin protein, enabling its functional analysis. This breakthrough could contribute to the development of new treatments for Huntington's disease.
A UCLA study found that male teens outperform older men in driving skills, while sports participation improves driving abilities among both males and females. The researchers propose expanding safety training to all new drivers, regardless of age or gender, to reduce traffic accidents and save lives.
Researchers propose roadmap for making humans resistant to radiation and stress damage, with a focus on radioresistance. The strategies aim to maximize productive life years in space, addressing challenges like high-LET radiation.
A research team has discovered a critical moment when DNA escapes from the mitochondria during cell death, potentially triggering autoimmune diseases. This 'Great Escape' moment may one day prove crucial for understanding inflammatory and autoimmune conditions.
Research from the University of Missouri suggests that even as temperatures rise due to climate change, the jet stream's variability remains the same, allowing for similar forecast ranges in mid-century as today.
A study published in Nature Communications found that an oxygen sensor in the body reduces inflammation by activating HIF-1α, which inhibits excessive immune responses. This molecular mechanism could lead to new approaches for treating chronic inflammatory diseases such as arthritis and multiple sclerosis.
Researchers at CU Anschutz have discovered a new approach to reprogramming adult skin cells into induced pluripotent stem cells (iPSCs) with unprecedented efficiency. This breakthrough has significant implications for the development of new corrective stem cell-based therapies for currently incurable diseases like Epidermolysis Bullosa.
Researchers used Uranium-Thorium dating to determine the age of cave art in Spain, finding it was created by Neanderthals over 64,000 years ago, predating modern human arrival in Europe. This discovery suggests that Neanderthals shared symbolic thinking and cognitive abilities with early Homo sapiens.
A new study found that preschoolers who learned to classify food as healthy or unhealthy were more likely to choose healthier snacks. Using one-dimensional descriptive phrases, such as how often food should be consumed, is developmentally appropriate for preschoolers.
Researchers combined fieldwork and computational models with satellite images to shed light on seasonal patterns in the Amazon. They found that biological processes, such as leaf growth and shedding, are more complex than previously thought, influencing canopy greenness.
Researchers have developed a new imaging paradigm to study the extracellular space between brain cells, revealing its complex and dynamic nature. The technique, called SUSHI, provides high-quality 3D reconstructions of brain tissue and has the potential to improve drug delivery within the brain.
Researchers at St Joseph's Hospital and Medical Center discovered a mechanism that causes TRPV1 blockers to affect body temperature. The team found that blocking this activation can prevent hyperthermia and hypothermia in new compounds.
Researchers at UBC's Okanagan campus create ultra-stretchable sensor with high sensitivity and durability, suitable for monitoring muscle movement, heart rate, and other bio-signals. The device is capable of sensing and understanding complex human motion, including infinitesimal movements like a heartbeat or finger twitch.
Researchers at Tohoku University have identified a new mutant coral symbiont alga that enables the control of symbiotic relationships with its host. The discovery provides a powerful tool for studying coral-algal endosymbiosis and sheds light on mechanisms for maintaining stable symbiosis.
A study of Norway's universal child care system found that offering high-quality child care beginning at age one reduces early achievement gaps in Norwegian communities. The study also reported significant narrowing of the language skill gap between rich and poor children.
Scientists at Texas Biomedical Research Institute are set to test the experimental Ebola treatment ZMapp, which showed a 91% probability of preventing mortality in a previous study. The trial is part of a $2 million contract with Mapp Biopharmaceutical, Inc. and aims to determine the effectiveness of the therapy.
Researchers have found that the Botai horses from Kazakhstan are not the ancestors of modern domesticated breeds but rather the ancestors of wild Przewalski horses. The study also revealed that there are no surviving purely wild horses, and the earliest domestic horses gave rise to feral populations.
A study found that delivering infused chemotherapy in a physician office resulted in lower healthcare expenditures for commercial health insurers. The study analyzed data from over 283,000 patients who received infused chemotherapy between 2004 and 2014. Delivering chemotherapy at a physician office was associated with lower spending c...
A study found that seeing more exercise-related posts from friends can make people concerned about their own weight and body image. However, for some individuals, these posts can also motivate them to exercise and feel better about it.
A new study found moderate-to-vigorous physical activity levels are similarly low in older adults with symptomatic knee osteoarthritis and those from the general population without osteoarthritis or knee pain. The findings highlight the need for efforts to increase physical activity for all.
New diagnostic methods were tested for intestinal schistosomiasis detection in a moderate prevalence area of Brazil. The Helmintex method showed the highest sensitivity, followed by the rapid urine test and Kato-Katz technique.
A team at UC Riverside discovered a way to deliver chemotherapy drug paclitaxel to targeted cancer cells via molecular Trojan horse 123B9, which targets EphA2 oncogene. This approach reduced circulating cancer cells and metastasis in animal models.
A new Annals of Neurology study investigated the mechanisms and timing of events in the brain and circulation during the dying process. The findings suggest that spreading depolarization marks the loss of stored energy in brain cells, leading to death, but also highlight its reversibility with restored circulation.
The study provides a high-resolution view of fishing activity, showing that industrial fishing covers over 55% of the ocean's surface and involves over 70,000 vessels. The dataset reveals cultural patterns and ties fishing to politics and culture rather than natural cycles.
Researchers have developed the first three-dimensional computer model to represent human metabolic processes. This new tool, Recon3D, integrates structural data on over 4,000 metabolites and nearly 13,000 proteins, allowing for more accurate simulations of metabolic reactions and better understanding of diseases such as Parkinson's.
Scientists found that Trichophyton rubrum nearly all belong to a single mating type and refuse to mate with others, even under various conditions. The fungus's high clonality may limit its ability to adapt, making it more susceptible to new antifungal medications.
A new AI platform can diagnose two common retinal diseases and rate their severity with over 95% accuracy, as well as distinguish between viral and bacterial pneumonia. This technology has the potential to improve patient outcomes and increase access to care in remote areas.
The researchers developed a new class of bifunctional immunotherapeutic agents called Y-traps, which can target and disable multiple immune suppressive molecules. These Y-traps were found to be effective in inhibiting tumor growth and activating antitumor immunity, even against cancers that do not respond to existing immunotherapies.
A study published in Conservation Genetics found that about a third of fish samples were misidentified as native delta smelt when using visual identification. Genetic analysis revealed 27% of the fish thought to be native delta smelt were actually non-native wakasagi.
Researchers at TU Wien demonstrate Poincaré recurrence in a multi-particle quantum system, studying collective quantities such as coherence lengths and correlation functions. This breakthrough reveals the long-sought phenomenon of quantum recurrence, where systems return to their initial state over time.
A new study published in Ultrasound in Obstetrics & Gynecology found that pregnant women with hypertension can safely monitor their blood pressure at home using a validated machine. The study of 108 women showed no differences in adverse maternal, fetal, or neonatal outcomes compared to those monitored in a clinic.
A portable ultrasound helps nephrologists detect fluid in the lungs of patients with end-stage kidney disease, allowing for more targeted dialysis treatments. This technology could save around $21 million annually by reducing ER dialysis costs and unnecessary hospitalizations.
A new scientific statement by a Mayo Clinic led team suggests that conservative treatment may be more effective for women with SCAD. The average age of women with SCAD ranges from 45 to 53 years, and it is the No. 1 cause of heart attack during pregnancy and in the period right after giving birth.
Research at EMBL shows that synchronization between Wnt and Notch pathways enables embryo segmentation. Changing their relative timing prevents segment formation.
An analysis of published studies found that children with CKD had lower intellectual functioning compared to children in the general population, particularly those on dialysis. Deficits were evident for attention, memory, and executive function domains.
A newly designed borylene molecule has been found to bind nitrogen at room temperature and normal air pressure, surpassing the capabilities of traditional catalysts like iron and molybdenum. This breakthrough may pave the way for a more energy-efficient method to convert nitrogen into ammonia.
A national survey found that more than half of US gun owners do not safely store their guns, with 54% reporting not storing all firearms securely. Safe storage practices are linked to reduced risks of unauthorized access or use.
Researchers at NYU Dentistry have adapted an HIV test to create a rapid diagnostic test for Zika virus using saliva. The new test can detect both nucleic acids and antibodies of the virus in a fraction of the time of current commercial tests, producing results in minutes instead of hours or days.
A genomic study of ancient and modern horses reveals that the Botai horses, who lived on Central Asian steppes 5,500 years ago, did not contribute to the modern domesticated horse population. However, seven Przewalski's horses, an endangered feral group, show a connection to the original Botai group.
Researchers found that adult-born neurons react to reward-related stimuli, speeding up the connection between sensory information and reward. This discovery suggests that adult neurogenesis plays a crucial role in associative learning processes.
Researchers have developed a new technique to study lake sediments, using moth scales to identify past and future insect outbreaks. This discovery can help improve knowledge of insect impact on forests, predictability, and links to climate change.