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Ancient Arrowheads Challenge Traditional Timeline of Modern Civilization

File:Gesher Pre-Pottery Neolithic A flint arrowheads.jpg

Picture: Yaels (CC)

An older article that may have escaped the notice of some of our readers…and a great many archaeologists too.

Via Archaeology.org:

By studying a particular class of stone tools from the site—tools that looked a lot like arrowheads—University of Johannesburg archaeologist Marlize Lombard and private scholar Laurel Phillipson, ended up telling us a lot about the origins of modern human behavior.

First, a little background. Until recently, many archaeologists believed in an event they dubbed the Great Leap Forward, or the Upper Paleolithic Revolution. Some 40,000 to 50,000 years ago, they theorized, Homo sapiens sapiens underwent some kind of neural reorganization—perhaps due to a genetic mutation–and suddenly became accomplished artists, jewelry makers, fishers, and sophisticated tool makers.

Dissenting archaeologists, however, suggested that the transition to behavioral modernity was a gradual affair unfolding over hundreds of thousands of years. And recently evidence of a slow transition has accumulated.

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