An interesting look at the evolution of the dog which might lead many to conclude that dogs are going to outlive all of us. Dr. Jack Tseng, a scientist at the American Museum Natural History in New York City shows us how dogs have evolved over the last 40 million years. To think that man’s best friend used to be a small tree dwelling creature is simply amazing. If you enjoyed this dog video you might also like to learn about dogs keen sense of smell so be sure to watch The Dog Knows.