A skull thought to belong to Cleopatra’s half-sister, Arsinoë IV, has actually turned out to be from an adolescent boy […] ...

Look for a second line at the front of the skull -- the coronal suture – which fully fuses ... the more pitted and craggy these bones will be. Forensic anthropologists will compare this against ...

One of the cranial sutures — the wiggly lines on a skull where the individual bones fuse during life — was already closed, which does not normally happen until a person is older than 65.