Commercial vessels are deploying high-tech sensors to map a shifting sea, providing critical data for scientists and some help for the industry. By Eric Niiler and Tristan Spinski The panel voted to ...
Chichén Itzá, "the mouth of the well of the Itzás," was likely the most important city in the Yucatán from the 10th to the 12th centuries. Evidence indicates that the site was first settled as early ...
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