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Humans Began Using Fire 350000 Years Ago, Israeli Cave Study Reveals

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The archeological site, which was declared as having universal value by UNESCO two years ago, documents half a million years of human history and provided the researchers with the opportunity to study how the use of fire evolved in the cave.By examining the cave's sediment layers, the researchers found that most of the flints were not burned in layers that were older than 350,000 years old. Burned-up flints, however, started to show up more regularly after this with most of the flints characterized by cracking, red or black coloration, and small round depressions where fragments called pot lids flaked off the stone, indicating exposure to fire.

Much more recent than the previous estimate of 1.5 million years:

When early humans discovered how to purposefully create fire and make the most of it for their survival, it was a feat comparable to modern day milestones of sending men to the moon, but while the mastery of fire is hailed as among the most crucial developments in human history and evolution, researchers are not certain when this happened.

Some anthropologists believe that early humans started to exploit fire as early as 1.5 million years ago, but much of the evidence supporting this claim such as the heated clays and charcoal fragments is disputed because they can be attributed to natural bush fires. Many experts also think that the early uses of fire were opportunistic, meaning early humans used natural bush fires instead of starting the fire themselves.

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