(Paperback)

Provides a conceptual and historical framework for understanding the causes of cancer and other diseases that increase with age. This book interprets various observations on the age of cancer onset, the genetic and environmental causes of disease, and the organization of tissues with regard to stem cell biology and somatic mutation.

(Paperback)

Charles Darwin's experiences in the Galapagos Islands in 1835 helped to guide his thoughts toward a revolutionary theory: that species were not fixed but diversified from their ancestors over many generations. This book explains what we have learned about the origin and evolution of new species.