For centuries dogs have been man's companion, his "best friend" if you will, but there is so much more to dogs than just a pal hanging out with his human. Beyond ball chasers, stick retrievers and lap warmers, dogs have been very carefully crafted by humans over several hundred years, creating a wide array of (up to 400) breeds, all with their own unique personalities and skills. The popularity of dogs means that many people have experienced the silliness of their stunts, the cuddly 'fur ball' factor, and the intelligence in their ability to pick up commands. Many people may have also seen...