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March 17 2013

Ancient stone tools show the pace of remarkable technological enhancements over time


Stone Age man's gradual improvement in tool development, particularly in crafting stone handaxes, is providing insight into the likely mental advances these early humans made a million years ago. Better tools make for better hunting, and better tools come from more sophisticated thought processes. Close analysis of bits of chipped and flaked stone from across Ethiopia is helping scientists crack the code of how these early humans thought over time.

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