Add Yahoo as a preferred source to see more of our stories on Google. Though both giraffes and humans have the same number of individual neck bones (known as vertebrae), the two species also have size ...

From mice to giraffes, mammals are remarkable in that all but a handful of their 5000 species have exactly seven vertebrae in the neck. Among the few that deviate from this number are three-toed ...

UCSF Spine Center surgeons are conducting a clinical trial to investigate the safety and effectiveness of an implant that replaces damaged discs in the neck. The trial will compare the implant to ...