Hands at the Cuevas de las Manos upon Río Pinturas, near the town of Perito Moreno in Santa Cruz Province, Argentina. The art in the cave dates from 13,000 to 9,000 years ago. Picture taken by Mariano Cecowski.

Our understanding of our origin is changing, as Homo sapiens appears to be much older than we have previously thought. Our understanding is now deepened even further by a genetic research study.

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