Stone tools that were discovered and examined by a group of international experts showed for the first time that various communities that lived during the Middle Stone Age period were widely connected and shared ideas around tool design.
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181109101438.htm
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181109101438.htm
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