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A tiny, prehistoric obsidian flake originating from a 45,000-year-old tool was discovered in Armenia and published by Ellery Frahm, an archaeological scientist in the Department of Anthropology at Yale University, where he has been the Director of the Yale Initiative for the Study of Ancient Pyrotechnology since 2017.

He has conducted and published research on four continents – Europe, Asia, Africa, and North America – spanning nearly half a million years of human history.

He teaches and conducts research both in the field and in the laboratory.

"It might not be the prettiest artifact from Ararat 1 Cave, but my chemical tests in our field lab established that this tiny obsidian flake was removed in order to resharpen a stone tool that, about 45,000 years ago, had been carried more than 200 km," Frahm said on Twitter.

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