Animated graphic: Dogs and why we love them

Published 9:31 pm Friday, June 11, 2010

It might be hard to tell by looking at your dog snoozing on the couch, but man’s best friend is directly descended from wolves.

Learn about the ancestry of these popular pets, and many more facts, by clicking on the animated graphic above.

Then, when you’re done, take the quiz and see how much you learned.