The Sciences

Sahelanthropus Was The First Hominin To Walk On 2 Feet

A new study strengthens the theory that bipedalism developed early in human history.

By Sam WaltersAug 25, 2022 2:00 PM
Sahelanthropus.jpg
Representation of the modes of locomotion practiced by Sahelanthropus. (Credit: Sabine Riffaut, Guillaume Daver, Franck Guy / PALEVOPRIM / CNRS – University of Poitiers).

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What defines a human as a human? Though it’s a tricky question, paleontologists and archaeologists tend to cite a couple specific characteristics in an attempt to answer. Homo sapiens, they typically say, create complex tools, make sophisticated social and symbolic meanings and communicate with one another using words and sentences — all characteristics that are tough to find in the fossil record.

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