Though the ability to make fires is considered one of the great breakthroughs in human civilization, it may have been a more primitive activity than we thought. A new archaeological study has revealed that homo sapiens' ancestors were regularly making fires about 790 thousand years ago. Even by the most conservative estimates, that's least 590 thousand years before our species developed language. An ancient lakeside community by the river Jordan in Israel revealed that proto-humans passed along the secret of creating fire from generation to generation.
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