Bone Fuses News Today

Is. >> that causes the patekia. >> theres something called the -- theres a gap here. can you explain this? >> that bone is above your thyroid cartilage and attached to the base of the tongue. as we get older, you can see the gap here. this bone fuses and becomes one, just like his hair and smooth and complete. >> this is a natural gap. not a sort of fracture. >> exactly. as we age, between 38 and 53, this will fuse. usually use this to identify how old a person is. with mr. garner here, still 43...

He was true to form last night. theres some speculation too. is this a career-ender for jeter? >> too early to say that. way too early. got to see how the bone fuses. >> always the case. coming up next, the story of a teenager suffering from a rare flesh-eating bacteria. how shes finally returning to the life she loves. plus, i traveled to texas to meet a woman accused of killing her foster child. why she says she is innocent. weve got her story coming up on "world news now." ♪ >> announce...