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Tiny plastic particles may be quietly threatening brain health. New research suggests microplastics--now widely found in food, water, and even household dust--could trigger inflammation and damage in the brain through multiple biological pathways. .. ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions that improve fuel mixing and lower combustion ...

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of Sun-like stars billions of years ago. The journey may have carried the solar system away from the galaxy's crowded center into a ...

Researchers studying over 8,400 colonoscopies discovered that having both adenomas and serrated polyps in the bowel can raise the risk of serious precancerous changes by up to five times. These two polyp types may represent separate cancer pathways . ...

A severe case of COVID-19 or influenza could increase the risk of lung cancer later on, according to new research. Scientists discovered that serious viral infections can alter immune cells in the lungs, leaving behind chronic inflammation that may . ...

In medieval Denmark, people could pay for more prestigious graves closer to the church -- a sign of wealth and status. But when researchers examined hundreds of skeletons, they discovered something unexpected: even people with stigmatized diseases .. ...

Gold and other heavy elements are born in some of the universe's most violent events--but scientists still struggle to understand the nuclear steps that create them. Now, nuclear physicists have uncovered three key discoveries about how unstable ...

As AI systems began acing traditional tests, researchers realized those benchmarks were no longer tough enough. In response, nearly 1,000 experts created Humanity's Last Exam, a massive 2,500-question challenge covering highly specialized topics ...

Scientists at Arizona State University have uncovered surprising new ways bacteria move, even without their usual whip-like propellers called flagella. In one study, E. coli and salmonella were found to spread across moist surfaces by fermenting ...

Scientists have found a promising new way to manufacture one of industry's toughest materials--tungsten carbide-cobalt--using advanced 3D printing. Normally, producing this ultra-hard material requires high-pressure processes that waste large amounts ...