Using cutting-edge computational methods and supercomputing infrastructure, researchers have built the largest and most detailed bird family tree to date -- an intricate chart delineating 93 million years of evolutionary relationships between 363 bird species, representing 92% of all bird families. The updated tree reveals sharp increases in effective population size, substitution rates and relative brain size in early birds in the aftermath of the mass extinction event that wiped... Read more ›
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A broader past could mean a brighter future for Canada lynx in the U.S., according to recent research. The study indicates that lynx might do well in the future in parts of Utah, central Idaho and the Yellowstone National Park region, even considering climate change and the lack of lynx in those areas now. Using a model validated by historic records, researchers first found that in 1900, Canada lynx had... Read more ›
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New analysis based on simple equations has reduced uncertainty about how clouds will affect future climate change. Read more ›
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Researchers introduce a groundbreaking alternative to reduce secondary battery costs. Read more ›
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Among the many chemicals we use every day, ammonia is one of the worst for the atmosphere. The nitrogen-based chemical used in fertilizer, dyes, explosives and many other products ranks second only to cement in terms of carbon emissions, due to the high temperatures and energy needed to manufacture it. But by improving on a well-known electrochemical reaction and orchestrating a 'symphony' of lithium, nitrogen and hydrogen atoms, engineers have... Read more ›
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Researchers have discovered a gene on the Y chromosome that contributes to the greater incidence of heart failure in men, opening the door to new treatments. Read more ›
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Nearly every modern cellphone has a built-in compass, or magnetometer, that detects the direction of Earth's magnetic field, providing critical information for navigation. Now a team of researchers has developed a technique that uses an ordinary cellphone magnetometer for an entirely different purpose -- to measure the concentration of glucose, a marker for diabetes, to high accuracy. Read more ›
2
Researchers upend the notion that the iconic great gray owl -- known as the phantom of the North -- lives far from cities, towns and other markers of human density. Read more ›
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ChatGPT-4, an artificial intelligence program designed to understand and generate human-like text, outperformed internal medicine residents and attending physicians at two academic medical centers at processing medical data and demonstrating clinical reasoning. Read more ›
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Non-English speaking internet users share the same concern about cyber threats and the same desire for online safety as any other individual. However, they are constrained by a lack of culturally and linguistically appropriate resources, which also hampers accurate collection of cyber victimization data among vulnerable populations. Read more ›
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Engineers have created a brain-computer interface that doesn't require calibration for each user, paving the way for widespread clinical applicability. Read more ›
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Researchers have developed physics-based guidelines that will benefit host-guest intercalated materials research. By using only two guest properties and eight host-derived descriptors, they correctly predicted the intercalation energies and stabilities of many host-guest systems. This work is an important advance that will minimize the extensive trial-and-error laboratory work that otherwise slows down research and development in battery and superconductor technologies. Read more ›
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A small clinical trial found that the metabolic effects of a ketogenic diet may help stabilize the brain. Read more ›
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A group of international experts has presented a blueprint for national indoor quality standards for public buildings. The experts addressed setting standards for three key indoor pollutants -- carbon dioxide, carbon monoxide, and PM2.5 (particles so small they can lodge deep in the lungs and enter the bloodstream) -- and ventilation rate. Read more ›
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Everyone indulges in wishful thinking now and again. But when is that most likely to happen and when could it actually be harmful? A new study demonstrates unequivocally that the greater the insecurity and anxiety of a situation, the more likely people are to become overly optimistic -- even to the point where it can prevent us from taking essential action. Read more ›
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Neuroscientists have established in recent decades the idea that some of each day's experiences are converted by the brain into permanent memories during sleep the same night. Now, a new study proposes a mechanism that determines which memories are tagged as important enough to linger in the brain until sleep makes them permanent. Read more ›
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A recent study reveals an unexpected link between manganese -- a naturally occurring mineral -- and increased carbon emissions from high-latitude boreal forests. The study uncovers how manganese increases carbon emissions from boreal forest soil, over time, challenging conventional understanding of the role of manganese in the carbon cycle. Read more ›
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Scientists have shown that Barkhausen noise can be produced not only through traditional, or classical means, but through quantum mechanical effects. The research represents an advance in fundamental physics and could one day have applications in creating quantum sensors and other electronic devices. Read more ›
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Researchers have identified how the tick-borne Crimean-Congo haemorrhagic fever virus enters our cells. The results are an important step in the development of drugs against the deadly disease. Read more ›
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A single genetic test could potentially replace the current two-step approach to diagnosing rare developmental disorders in children. This shift could enable earlier diagnoses for families and save vital resources. Read more ›
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21.07.2026 13:10
Last update: 13:05 EDT.
News rating updated: 20:00.
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