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 ...
A study suggests the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of major ...
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