Friday, 30 November 2018

Stone Tools at Arabian “Crossroads” Present Mysteries of Ancient Human Migration

Stone Tools at Arabian “Crossroads” Present Mysteries of Ancient Human Migration

Nearly 200,000 years ago, at the confluence of two long-vanished river systems in the heart of Arabia, people climbed a jagged, rocky dyke rising nearly 200 feet above the surrounding plains. There they crafted hand axes and other edged tools from plentiful volcanic stone—and left thousands of them behind. Today, many millennia after the more temperate Arabia the toolmakers knew vanished, those stone tools endure as tantalizing clues to the mysteries of human evolution and migration in the ancient world.

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