Dogs - How to know what your Dog's thinking? (Part 2)

How well can you interpret dog expressions?
Learn breathtaking facts about man's best friend!
An engineer examines the claims of dogs and evolution.
Do dogs have emotions like their owners? Do dogs have compassion?
What are some of the amazing systems of the dog?
Bill Morgan calls on scientists concerning some of the problems of evolution.
What is the difference between macroevolution and microevolution?
All this and more discussed in this tutorial on dogs.