Speaking of Cosmic DNA...
DNA Embraces the Planets by Jon Lomberg
Also titled, "Interstellar Communication as a Genetic Activity". The artist's vision of the complex relationship between molecules, planets, and life. The double helix of DNA is shown unwinding and replicating as a system of planets linked by communication. The network of civiliations is envisioned as the Galaxy's DNA.
http://www.jonlomberg.com/dp_dnaembraces.html