IN THE BEGINNING of the space age, there was only one space-based positioning technique: satellite Doppler. Shortly after the launch of the first satellite, Sputnik 1, on Oct. 4, 1957, it was realized ...
Unlike many trendy diets, intermittent fasting appears to deliver real benefits—provided dieters can stick to the schedule, which usually restricts eating to an eight-hour window each day. Dieters, ...
Stephen L. Helfand is in the Department of Molecular Biology, Cell Biology and Biochemistry, Division of Biology and Medicine, Brown University, Providence, Rhode Island 02912, USA. TRF and other ...
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