Here’s what you’ll learn when you read this story: New research on a 14,000-year-old soil layer in Alaska uncovered stone and mammoth ivory tools. The find offers the oldest examples of human-made ...
Add Yahoo as a preferred source to see more of our stories on Google. mammoths walking at night Human-made ivory and stone tools have been found in a 14,000-year-old layer of Alaskan earth, providing ...
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