jueves, 28 de agosto de 2014

Ancient Arabian Stones Hint at How Humans Migrated Out of Africa

Ancient stone artifacts recently excavated from Saudi Arabia possess similarities to items of about the same age in Africa — a discovery that could provide clues to how humans dispersed out of Africa, researchers say.

Modern humans originated about 200,000 years ago in Africa. However, scientists have long debated when and how the modern human lineage spread out of Africa.

"Understanding how we originated and colonized the world remains one of the most fascinating and enduring questions, because it is our story as humans," said lead study author Eleanor Scerri, an archaeologist at the University of Bordeaux in France.[...] livescience.com

Related: Unexpected technological heterogeneity in northern Arabia indicates complex Late Pleistocene demography at the gateway to Asia.