Character mistake: When Booth is locked in the ship, his "hallucination" asks Booth why he never bothered to learn some lock picking skills. However, in the episode "Judas on a Pole," Bones tells Booth that she's been practicing some lock picking skills that Booth taught her.
Character mistake: Bones tells Cam she isn't able to ascertain sex of the victim due to no pelvic bone. However numerous times in the show she is able to confirm sex with just the skull. What's different here? (00:03:00)
The Finger in the Nest - S4-E4
Character mistake: Hodgins discovers sap from a Japanese cherry tree on the bone from the nest. When the new graduate assistant suggests that it is one of the cherry trees at the Jefferson Memorial, Hodgins is skeptical of the information. In reality everyone who has lived in DC knows about the Japanese cherry trees at the memorial. They have an entire festival attributed to it every year and it practically shuts down the city with tourists. Hodgins should have known about the trees to begin with. (00:01:45)
The Beaver in the Otter - S4-E24
Character mistake: Bone states the victims date of birth is in 1989 making him 20 when he died. However, earlier in the episode it's established that Beaver was 23 when he died. (00:19:10)
The Beaver in the Otter - S4-E24
Character mistake: About half way through the episode, there is a computer screen with "Chemsitry" on it - a spelling error that should not have made it past editing. (00:24:10)
Answer: Since the palatine bone is a bone that helps form the mouth it has a lot to do with speaking. The shape of it differs a lot depending on your ethnic background. I would guess that they, in the show, meant that the person's bone tells that they were Japanese and that it was "made for the purpose of speaking Japanese." That's what I'd assume anyway. I've studied molecular biology though, so I'm not an expert on bones.