Smithsonian Magazine on MSN
Did human ancestors walk on their knuckles like today's chimpanzees? New research adds more evidence to the debate
Walking upright all the time is one of the unique features that sets Homo sapiens apart from other primates still around ...
Learn about the similarities between the wrist bones of humans and African apes, which may point to shared knuckle-walking roots.
Human history features a pivotal moment when four-legged beings stood upright on two legs. Scholars regard this shift as the defining turning point that made humans uniquely human. For decades, ...
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