This history of DNA offers listeners a tour of the massive DNA record of three billion years of evolution to see how the fittest are made. This work clinches the case for evolution as it examines immortal genes, fossil genes, and genes that bear the scars of past battles with horrible diseases. Unabridged. 1 MP3 CD.

Sean B. Carroll is professor of genetics at the University of Wisconsin-Madison and investigator at the Howard Hughes Medical Institute. His first book, Endless Forms Most Beautiful, was a finalist for the 2005 Los Angeles Times Book Prize. Carroll's seminal scientific work has been featured in Time and The New Yorker. He lives in Madison, Wisconsin.

Tags: the making the fittest