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A lively academic debate revolves around a quiet but remarkable family living in rural Turkey – a family of five adults who walk on all fours.
Since bipedalism has long been considered one of the defining characteristics of modern humans, the discovery raises intriguing questions about the genetic, social and evolutionary history of our species.
Is this a thousand-year-old anthropological discovery or a unique medical case? NOVA sets out to resolve controversies and meet those who have captured the imagination of scientists around the world.
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