A new study shows that our oldest ancestors walked upright 7 million years ago

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image source, Courtesy Frank Jay


Reconstruction of different movement patterns in the Djurab Desert (Chad). Sabine Riveaut, Guillaume Daffer, Frank Guy/Palevoprim/CNRS – University of Poitiers/MPFT

A new study shows that the oldest known human ancestors actually walked on two legs.

The conclusions are based on the analysis of fossil bones found in Chad more than 20 years ago, which have only been analyzed now.

According to researchers, the remains belong to human ancestors who called them Sahelanthropus tchadensiswho lived between six and seven million years ago.

It would be the oldest known member of the hominin lineage, the evolutionary branch that passed from the common ancestor of humans and chimpanzees to modern humans.

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