The slow breath changing hearts: inside HRV’s quiet revolution
In a quiet room a phone timer glows, a soft tone marks five seconds in and five seconds out. On…
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The Forgotten Diabetes Shaped by Childhood Hunger, Not Genes
In clinics from southern India to parts of East and Central Africa, physicians still encounter a familiar, uneasy picture. A…
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How Colonial Kinshasa Set the Stage for HIV’s Rise
The riverboat eased into Leopoldville at dusk, its whistle mixing with cicada drone and the clatter of freight. On the…
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How one mistyped command stalled a chunk of the internet
It began as routine maintenance on a quiet Tuesday morning. Minutes later, a sizable slice of the internet flickered and…
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Where soda’s bubbles hide: the science of carbonation
The hiss, the rush, the sparkle—open a bottle of seltzer and it feels like the drink springs to life. But…
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Two Common Amino Acids Linked to Lifespan, With Sex-Specific Clues
Two workhorse amino acids that help power the brain and body may also hold clues to how long we live….
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Popocatépetl’s Fiery Pulse Disrupts Skies Over Central Mexico
A tower of ash lifts from the crown of Popocatépetl and tugs at the region’s routines—rerouting planes, dusting towns, and…
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Did Chicxulub’s asteroid spawn other craters? What science says
A mountain-sized asteroid slammed into what is now Mexico’s Yucatán Peninsula 66 million years ago, ending the reign of non-avian…
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Fitter bodies, fewer heartbeats: exercise may add years
There is a stubborn myth that every hard run or ride spends the heart like a coin purse. New research…
