jueves, 16 de noviembre de 2017

Human evolution was uneven and punctuated, suggests new research


Interior view of the cave and excavation trench as of the end of the 2012 field season. Credit: João Zilhão

A new study in Heliyon suggests that Neanderthals survived at least 3,000 years longer in Spain than we thought

Neanderthals survived at least 3,000 years longer than we thought in Southern Iberia – what is now Spain – long after they had died out everywhere else, according to new research published in Heliyon.

The authors of the study, an international team from Portuguese, Spanish, Catalonian, German, Austrian and Italian research institutions, say their findings suggest that the process of modern human populations absorbing Neanderthal populations through interbreeding was not a regular, gradual wave-of-advance but a “stop-and-go, punctuated, geographically uneven history.”

Over more than ten years of fieldwork, the researchers excavated three new sites in southern Spain, where they discovered evidence of distinctly Neanderthal materials dating until 37,000 years ago.

“Technology from the Middle Paleolithic in Europe is exclusively associated with the Neanderthals,” said Dr. João Zilhão, from the University of Barcelona and lead author of the study. “In three new excavation sites, we found Neanderthal artefacts dated to thousands of years later than anywhere else in Western Europe. Even in the adjacent regions of northern Spain and southern France the latest Neanderthal sites are all significantly older.” [...] elsevier.com / Link 2 

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