The Periodic.... Spiral?

Many people know the Periodic Table of the Elements as a blocky diagram that hung on the wall of the freshman chemistry classroom. But there are other ways to envision the relationships between types of atoms. In particular, here is a modern version arranged as a spiral:

The New York Times > Science > Image > The Periodic Table Gets a Makeover (Link probably time-senstitive).

And there's more about it at periodicspiral.com