Dust may have controlled ancient human civilization – Phys.org

When early humans began to travel out of Africa and spread into Eurasia over a hundred thousand years ago, a fertile region around the eastern Mediterranean Sea called the Levant served as a critical gateway between northern Africa and Eurasia. A new study, published in Geology, shows that the existence of that oasis depended almost entirely on something we almost never think about: dust.
Dr. Rivka Amit, at the Geological Survey of Israel, and her team initially set out with a simple question: …

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