As they are in many places around the globe, glaciers perched high in the Andes Mountains are shrinking. Now, researchers have uncovered evidence that the high-altitude tropical ice fields are likely smaller than they've been at any time since the last ice age ended 11,700 years ago. Read more ›
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Humans and baker's yeast have more in common than meets the eye, including an important mechanism that helps ensure DNA is copied correctly, reports a pair of studies. The findings visualize for the first time a molecular complex -- called CTF18-RFC in humans and Ctf18-RFC in yeast -- that loads a 'clamp' onto DNA to keep parts of the replication machinery from falling off the DNA strand. Read more ›
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A new small study has revealed the impact of obesity on muscle structure in patients having a form of heart failure called heart failure with a preserved ejection fraction (HFpEF). Read more ›
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New research suggests that an El Nino event may have aided the establishment and spread of a novel cholera strain during an early 20th-century pandemic, supporting the idea that climate anomalies could create opportunities for the emergence of new cholera strains. Read more ›
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Researchers have developed a way to study aged neurons in the lab without a brain biopsy, allowing them to accurately model the effects of aging in the development of late-onset Alzheimer's disease. By studying these cells, the researchers identified aspects of cells' genomes -- called retrotransposable elements, which change their activity as we age -- in the development of late-onset Alzheimer's disease. The findings suggest new treatment strategies targeting these... Read more ›
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Identifying interventions that could increase vaccine coverage could help save lives. A new paper offers a comprehensive meta-analysis examining what types of vaccination intervention strategies have the greatest effect, and whether different intervention strategies work better in different countries. Read more ›
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Highly localized TB strains are less infectious in cosmopolitan cities and more likely to infect people from the geographic area that is the strain's natural habitat. The research provides the first controlled evidence that TB strains may evolve with their human hosts, adapting to be more infectious to specific populations. The findings offer new clues for tailoring preventive treatments after exposure to TB based on affinity between strains host populations. Read more ›
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A new 3D printing method developed by engineers is so simple that it uses a polymer ink and salt water solution to create solid structures. The work has the potential to make materials manufacturing more sustainable and environmentally friendly. Read more ›
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To diagnose heart conditions including heart attacks and heart rhythm disturbances, clinicians typically rely on 12-lead electrocardiograms (ECGs) -- complex arrangements of electrodes and wires placed around the chest and limbs to detect the heart's electrical activity. But these ECGs require specialized equipment and expertise, and not all clinics have the capability to perform them. Scientists showed that, with help from an AI tool, cardiologists can diagnose heart attacks using... Read more ›
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Food in hospitals often does not enjoy a good reputation. The proportion of meat on the plate in particular is too high. Clinics can do a lot to motivate patients to choose a healthier menu, as two new studies show. Read more ›
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Strokes lead to irreversible damage to the brain and are one of the most common causes of dependency or death. As the cellular reactions to a cerebral infarction are not yet fully understood, there is a lack of possible approaches to promote the regeneration of damaged nerve tissue in the brain. A new study closes crucial gaps in our knowledge and paves the way for research into new, targeted therapeutic... Read more ›
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Controlling the crystal phase of cobalt nanoparticles leads to exceptional catalytic performance in hydrogenation processes, scientists report. Produced via an innovative hydrosilane-assisted synthesis method, these phase-controlled reusable nanoparticles enable the selective hydrogenation of various compounds under mild conditions without the use of harmful gases like ammonia. These efforts could lead to more sustainable and efficient catalytic processes across many industrial fields. Read more ›
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Scientists have hypothesized that moir excitons -- electron-hole pairs confined in moir interference fringes which overlap with slightly offset patterns -- may function as qubits in next-generation nano-semiconductors. However, due to diffraction limits, it has not been possible to focus light enough in measurements, causing optical interference from many moir excitons. To solve this, researchers have developed a new method of reducing these moir excitons to measure the quantum coherence... Read more ›
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Higher levels of urinary metals such as cadmium, tungsten, uranium, cobalt, copper and zinc are linked to increased cardiovascular disease and mortality in a racially and ethnically diverse U.S. population, according to a new study. Read more ›
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Photovoltaic (PV) technologies, which convert light into electricity, are increasingly applied worldwide to generate renewable energy. Researchers have now developed a molecular treatment that significantly enhances the efficiency and durability of perovskite solar cells. Their breakthrough will potentially accelerate the large-scale production of this clean energy. Read more ›
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Commercially important marine fish and invertebrate species will likely shift northwards under a warmer climate, according to new research. Read more ›
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A research team has recently demonstrated that analog hardware using ECRAM devices can maximize the computational performance of artificial intelligence, showcasing its potential for commercialization. Read more ›
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Thermometer, a new calibration technique tailored for large language models, can prevent LLMs from being overconfident or underconfident about their predictions. The technique aims to help users know when a model should be trusted. Read more ›
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Geosmin is a volatile compound of microbial origin with a distinct 'earthy' to 'musty' odor that can affect the quality of water and food. A research team has now identified and characterized the human odorant receptor for geosmin for the first time. Read more ›
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High blood pressure affects about 45% of U.S. adults. In the 1970s, only about 50% of patients were aware of their hypertension. Today, 54% are aware of their high blood pressure, 40% are actively treated and 21% are actively controlled. As such, researchers alert health care providers that the old 'silent killer' is alive and well. Healthy individuals should have a systolic blood pressure of 130 mmHg or less, and... Read more ›
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06.07.2026 18:43
Last update: 18:25 EDT.
News rating updated: 01:31.
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