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BONUS: The History of Daylight Saving Time in America
Who decided we should change our clocks twice a year? And why are we still doing it?
From the days when every town kept its own time to America's failed experiment with permanent daylight saving time in 1974, meteorologist Emily Gracey takes a quick trip through the surprisingly messy history of timekeeping.
Plus, why Arizona refuses to play along, how China manages with just one time zone, and what all of this has to do with saving energy.
For more on the science of daylight saving time and how it affects our sleep and health, listen to the full Atmosphere episode featuring Stanford sleep…
The skinny
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