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When Is Daylight Saving Time?

The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. A recent effort to end it has stalled in Congress.

© Leon Neal/Getty Images

Benjamin Franklin is often credited as the first to suggest daylight saving time after realizing he was wasting his mornings by staying in bed.

In Mexico, Archaeologists Spot a Maya City Behind a Wall of Trees

A city with temple pyramids not far from the road and a site with a Maya complex built alongside a sinkhole lend to evidence that the Maya civilization was even more sprawling than known.

© Luke Auld-Thomas Et Al, via Reuters

In this lidar image released by Cambridge University Press, what archaeologists in Mexico say is a newly discovered lost Maya city, which they named Valeriana, is hidden deep in the southern jungle of Campeche, Mexico.
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