Turning the clocks forward an hour in the spring for daylight saving time is followed by a spike in heart attacks on the Monday afterward, said a US study on Saturday. But when the clocks fall back ...
Ordinarily, the chamber of atoms at the heart of an optical clock might be a meter across. The new mini optical clock uses an atom chamber a mere 3 millimeters across mounted on a silicon chip. “I was ...
DALLAS, Oct. 28, 2025 — As modern lifestyles increasingly challenge the body’s natural circadian rhythm, the American Heart Association is spotlighting the potential health consequences of regular ...
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