Switching from diesel to electric trains dramatically improved the air quality aboard the San Francisco Bay Area's Caltrain commuter rail line, reducing riders' exposure to the carcinogen black carbon by an average of 89%, finds a new study. The electrification of the system also significantly reduced the ambient black carbon concentrations within and around the San Francisco station. Read more ›
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A new study has identified a novel strategy for treating acute myelogenous leukemia (AML), an aggressive blood cancer for which the median survival time following diagnosis remains just 8.5 months. Read more ›
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'Multi-zonal' liver organoids represent a significant step forward in developing lab-grown liver tissues. Read more ›
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Scientists have discovered how aging blood stem cells acquire mutations that give them a growth edge, creating fertile ground for the development of clonol hematopoiesis, a condition that dramatically increases the risk of heart disease, blood cancers, and other illnesses. Importantly, they've also identified a method to halt this abnormal growth. This breakthrough provides crucial insight into age-related blood disorders and opens the door to new therapeutic strategies targeting the... Read more ›
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Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence that sheds light on how this mighty system may behave in the future -- and what might keep it from erupting. Read more ›
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Imagine tiny building toy pieces that automatically snap together to form a strong, flat sheet. Then, scientists add special chemical 'hooks' to these sheets to attach glowing molecules called fluorophores. Researchers have created these tiny, clay-based materials -- called fluorescent polyionic nanoclays. They can be customized for many uses, including advancing energy and sensor technology, improving medical treatments and protecting the environment. Read more ›
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Drugs like Ozempic, other blood sugar-reducing medications, may stave off dementia. Read more ›
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Scientists have unveiled a new food source designed to sustain honey bee colonies indefinitely without natural pollen. The research details successful trials where nutritionally stressed colonies, deployed for commercial crop pollination in Washington state, thrived on the new food source. Read more ›
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Macaque mothers experience a short period of physical restlessness after the death of an infant, but do not show typical human signs of grief, such as lethargy and appetite loss, finds a new study by anthropologists. Read more ›
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Wildflowers growing on land previously used for buildings and factories can accumulate lead, arsenic and other metal contaminants from the soil, which are consumed by pollinators as they feed, a new study has found. Read more ›
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Monitoring blood levels of DNA fragments shed by dying tumor cells may accurately predict skin cancer recurrence, a new study shows. Read more ›
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Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real process associated with fierce lightning storms: strong updrafts generate slushy, ice-coated hailstones of ammonia and water that eventually plunge into the planet and deplete areas of ammonia. This is part of the first 3D picture of the planet's atmosphere, which shows storms are... Read more ›
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Bacteria naturally present in the human intestine (known as the gut microbiota) can transform cholesterol-derived bile acids into powerful metabolites that strengthen anti-cancer immunity by blocking androgen signaling, according to a preclinical study. Read more ›
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Platforms such as iNaturalist and eBird encourage people to observe and document nature, but how accurate is the ecological data that they collect? A new study shows that citizen science data from iNaturalist and eBird can reliably capture known seasonal patterns of bird migration in Northern California and Nevada -- from year-round residents such as California Scrub-Jays, to transient migrants such as the Western Tanager and the Pectoral Sandpiper. Read more ›
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A new study reveals the impact of what might may be precursors to harmful contaminants in drinking water, formed during water disinfection. Read more ›
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Researchers conducted three years of extensive fieldwork to develop the first data-driven map of both newly documented and predicted peatlands across Colombia's eastern lowlands. Read more ›
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Scientists have developed a new type of handheld multi-purpose radiation detector that comprehensively detects all types of ionizing radiation. The device can be used by industrial and medical radiation users, regulatory authorities, the nuclear energy industry, first responders and military users. The technology has been patented and is currently being explored for commercialization. Read more ›
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A global study has shown that countries which consume more plant-based proteins -- such as chickpeas, tofu and peas -- have longer adult life expectancies. Scientists studied food supply and demographic data between 1961-2018 from 101 countries, with the data corrected to account for population size and wealth, to understand whether the type of protein a population consumed had an impact on longevity. Read more ›
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A new study could lead to more widespread use of imaging technique to improve survival and prevent complications. Read more ›
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People with a certain heart valve abnormality are at increased risk of severe heart rhythm disorders, even after successful valve surgery. The condition is more common in women and younger patients with valve disorder and can, in the worst case, lead to sudden cardiac arrest. Read more ›
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16.06.2026 04:46
Last update: 04:40 EDT.
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