Scientists have found the earliest known evidence of cooking at an archaeological site in Israel
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. . The shift from eating raw to cooked food was a dramatic turning point in human evolution, and the discovery has suggested prehistoric humans were able to deliberately make fires to cook food at least 780,000 years ago.
Other work by study coauthor Nira Alperson-Afil, professor in the department of Israel studies and archaeology at Bar-Ilan University, had identified traces of hearths — some of the earliest outside Africa. To determine whether the prehistoric inhabitants of the site actually cooked fish there and didn’t just discard fish remains in a fire, the researchers identified changes in the size of tooth enamel crystals, which respond differently to changes in temperature.
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