This undated handout photo shows two images together with an interpretive line drawing of the Chicago Archaeopteryx, a ...

In the comics, the skull isn’t just for show. It’s practical too—designed to draw enemy fire to his armored ... Police started using it too, often with a blue line added, tying it to the ...

Both appear to have been made around the time of death. A fragment of skull bone that has been removed with a beveled ...

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.