The Nature of Things

Man and Dog: An Evolving Partnership (39x7)

Fecha de emisión: Ene 28, 1999

The domestic dog has a special place in the human world. Is it by accident or design? All breeds of dogs trace their ancestry back to a common wolf-like creature that lived some 12 thousand years ago. But what was it that lead to the growth of such an extraordinary array of different progeny?