ardipithecus and bipedal walking

Image source: By T. Michael Keesey – Zanclean skullUploaded by FunkMonk, CC BY 2.0, The hominid known as “Ardi” (a specimen of Ardipithecus ramidus) was discovered in 1994, at a site near Ethiopia’s Awash River. Once excavated, it turned out that this was – for its age – a remarkably complete specimen: 125 fossilised bones, comprising […]

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