Team from the United States and France find that ancient humans used hand axes earlier than thought

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LOS ANGELES (AP).- Ancient humans fashioned hand axes, cleavers and picks much earlier than believed, but didn’t take the stone tools along when they left Africa, new research suggests. A team from the United States and France made the findings after traveling to an archaeological site along the northwest shoreline of Kenya’s Lake Turkana. Two-faced blades and other large cutting tools had been previously excavated there along with primitive stone flakes. Using a sophisticated technique to date the dirt, researchers calculated the age of the more advanced tools to be 1.76 million years old. That’s older than similar stone-age artifacts in Ethiopia and Tanzania estimated to be between 1.4 and 1.6 million years old. This suggests that prehistoric humans were involved in