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Stone tools are fossilized human behavior. – Louis Leakey
The above quote is in an article in The Conversation about a new discovery of stone tools that are about 700,000 years older than the previous "oldest known stone tools."
So interesting -- there's no info as to who made them, or as to exactly how they were used, but we do know things about the environment in which they were made/used. There are multiple (geologicial) ways to date things that are this old.......
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