The genetic age is upon us, yet most people have only a limited understanding of the wondrous chemical that encodes the formula for all living things. As DNA's secrets are revealed, they must be rescued from the obscuring language of science, and now Signs of Life does just that. Borrowing from the humanities, Robert Pollack offers an entirely fresh perspective: DNA, he argues, should be seen as a great work of natural literature, a three-billion-year-old, continuously evolving text.