Look for the sagittal suture – the squiggly line that runs the length of the skull – and note whether is it's completely fused. If it is, the remains are likely to be of someone older than 35.

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.

Moazen noted that a major contribution of this study is that it advances ... Moreover, mice that received an injury to the skull near the suture simultaneous to the mechanical expansion exhibited near ...

[3] Figure 1 illustrates the boney anatomy of the normal skull sutures and fontanelles. The newborn infant's skull is incompletely ossified and the cranial sutures are normally open at birth ...

Look for the sagittal suture – the squiggly line that runs the length of the skull – and note whether is it's completely fused. If it is, the remains are likely to be of someone older than 35.