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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When Smiles Look Threatening: Social Anxiety Skews Emotion Recognition
New evidence helps explain why social situations can feel treacherous for people high in social anxiety: even a friendly face…
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Correlation, Causation, and the Statistician Who Challenged Smoking
The five-word maxim that powers countless arguments—correlation does not imply causation—has a complicated origin story. Few recall that one of…
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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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Why Flashed Faces Look Grotesque: The Brain’s Split-Second Trick
Stare at a tiny cross between two celebrity portraits, and within seconds their faces seem to buckle and warp into…
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Exercise-linked molecule L-BAIBA boosts muscle, bone in mice
A molecule made by working muscles may help exercise work even better—at least in mice. In a new study, middle-aged…
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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…
