Title : "Cave Found in Kenya in Which People Lived for 78,000 Years/Unique discoveries in tropical forest cave show gradual development of weapons and other skills, negating the theory of sudden spurts of innovation."
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"Cave Found in Kenya in Which People Lived for 78,000 Years/Unique discoveries in tropical forest cave show gradual development of weapons and other skills, negating the theory of sudden spurts of innovation."
Haaretz reports.Panga ya Saidi is actually a network of caves about a kilometer long in limestone hills: the main chamber is about 100 square meters (1,076 square feet) co-author Prof. Michael Petraglia of the Max Planck Institute tells Haaretz. It was used from the Middle Stone Age to this day, though people don’t live in it any more: now they use it for burials and rituals, he says. In any case, it was big enough to have supported hundreds of people....
At Panga ya Saidi, tools go back to the earliest occupation 78,000 years ago. But the occupants’ technology changed markedly 67,000 years ago, with smaller, finer implements appearing, reflecting changes in hunting practices and skills.
After that turning point, the archaeologists observed a mix of technologies rather than sudden changes. That argues against a series of cognitive or cultural "revolutions" theorized by some archaeologists, they write....
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