PBS Program Looks at Dogs That Changed The World

Posted April 20, 2007 2:07 p.m. EDT

A new PBS special looks at the evolution and latest trends involving dogs.

"Dogs That Changed The World," will air on PBS April 22 and April 29 at  p.m. The new show will highlight some of the world's roughly 400 breeds.

The program will also traces today's dogs back to the wolf and shows how they evolved to the lovable, faithful companion as well as the growing use of canines in everyday life.