Controversy over Sahelanthropus
In Chapter five we discuss Sahelnthropus tchadensis, touted as the first member of the Hominid tribe to walk upright. New research disputes that conclusion and has erupted into quite a controversy! But, of course, doesn't really impact our main discussion about the importance to music of the transitions to habitually walking-and running-upright. Here's the lay article: https://www.theguardian.com/science/2022/sep/03/oldest-human-or-just-another-ape-row-erupts-over-7m-year-old-fossil, and another article from Science News with additional citations: https://www.sciencenews.org/article/earliest-known-hominid-limb-fossils-sahelanthropus-tchadensis.
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