Prehistoric Hand Axes Older Than Once Thought

Oldest Old World Tools A collection of prehistoric stone hand axes appears above. When first discovered, most researchers thought that the hand axes were made between 500,000 and 200,000 years ago. However, a new study contends that they are in fact much older -- possibly the oldest hand axes in Europe. Michael Walker

From Discovery News:

Sept. 3, 2009 -- Europe's Stone Age has taken an edgy turn. A new analysis finds that human ancestors living in what is now Spain fashioned double-edged stone cutting tools as early as 900,000 years ago, almost twice as long ago as previous estimates for this technological achievement in Europe.

If confirmed, the new dates support the idea that the manufacture and use of teardrop-shaped stone implements, known as hand axes, spread rapidly from Africa into Europe and Asia beginning roughly 1 million years ago, say geologist Gary Scott and paleontologist Luis Gibert, both of the Berkeley Geochronology Center in California.

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