The sky is so reliably blue on a clear day that the color can feel like a property of the atmosphere itself, as though Earth were covered by an enormous blue ceiling. It is not. Air is essentially transparent over short distances, sunlight...
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Every email, video stream, security-camera frame, cloud backup, online purchase, AI response and sensor reading leaves a digital trail. Multiply those events across billions of people, phone...
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It often begins so subtly that you wonder whether you imagined it: a tiny flutter under one eye, a faint pulse in the eyelid, then another. A few minutes later you are staring into a mirror,...
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Few breakfast foods come with a better internet story than Corn Flakes. According to the version repeated across social media, Dr. John Harvey Kellogg invented the famously plain cereal in t...
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A black hole does something stranger than simply swallowing light. Before a photon crosses the point of no return, spacetime can bend its trajectory so violently that the light can travel ar...
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Few animals have contributed to modern medicine in a way quite as improbable as the horseshoe crab. It looks prehistoric because, in evolutionary terms, it is. Horseshoe-crab relatives were...
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On the morning of November 14, 1963, sailors south of Iceland saw something that looked at first like a ship on fire. A dark column was rising from the North Atlantic. It was not smoke from...
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The James Webb Space Telescope is often introduced through spectacular pictures: glowing stellar nurseries, delicate shells of gas, galaxies from the young universe and strange worlds orbiti...
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When a tropical system appears in the Atlantic, the urge to watch it move across a map can become almost compulsive. A disturbance off Africa becomes a colored area on an outlook. A few days...
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When artificial-intelligence stocks surge, most attention goes to the companies designing the chips. Nvidia became the emblem of the AI boom because its GPUs perform much of the enormous par...
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