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Fletcher added that the individuals might have also been related, since each of the skulls in the same burial were missing their second and third molars, which she said could be an inherited trait.
The Imaging and Analysis Center at the Natural History Museum completed a micro-CT scan of the Jericho Skull, which led to the construction of a 3-D digital model of the object, complete with bones inside. For the first time, hidden areas were revealed, such as the shape of his palate, cheekbones, brow ridge and eye sockets.
The researchers determined that the skull lacked a jaw. They could also see that the man had broken and decayed teeth, and that he had broken his nose during his adult life, but that it had healed before he died.
Notably, there is evidence he had undergone tight head binding from early infancy that changed the shape of his skull.
"Head binding is something that many different peoples have undertaken in various forms around the world until very recently," Fletcher explained. She said the practice of head binding in some modern cultures are intended to "make an individual appear more beautiful. In this case, the bindings have made the top and back of the head broader-different from other practices that aim for an elongated shape. I think this was regarded as a 'good look' in Jericho at this time."