Learn more about the human tailbone and how, even though we may not have a strict need for it anymore, it still helps us with ...

Human tails, manifesting as caudal cutaneous appendages, have long intrigued clinicians and anatomists alike. These structures, which may be either vestigial remnants of embryonic development or ...

(CNN) -- Humans have many wonderful qualities, but we lack something that's a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery. CNN — (CNN) ...