Saturday, August 15, 2009
Earliest fired knives improved stone age tool kit
People were using fire to make sharp blades out of poor stone 164,000 years ago – much earlier than we thought.
Earliest fired knives improved stone age tool kit
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People were using fire to make sharp blades out of poor stone 164,000 years ago – much earlier than we thought.
People were using fire to make sharp blades out of poor stone 164,000 years ago – much earlier than we thought.
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