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.

Also known as tar snakes, these are often seen as one or more black, squiggly lines that can pop up everywhere from roads and parking lots to residential driveways. Tar snakes are made with an ...

to life. However, it can be overwhelming to decode the dozens of symbols and settings and use them appropriately. For instance, you might not know that squiggly lines inside a square resemble the ...