Scientists Discover 3.3-million-year-old Stone Tools, Predating Big-brained Humans by 500,000 Years

Who made the primitive tools found in Lomekwi, Kenya isn't clear, yet they had more dexterity and planning than apes seem capable of producing

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Crude but unmistakable stone tools dating back 3.3 million years have been found in Kenya, well before modern humans were a gleam in some ape's eye.