In this episode of Life's Little Mysteries, we'll take a closer look at some of the mysteries surrounding one of our closest animal companions: dogs.
How did dogs get to be dogs; what do they dream about?; and do they really "smile" at us? Listen to Life's Little Mysteries 3: Mysterious Dogs to find out!
We'll also hear about Tibetan mastiffs and the surprising benefits of their breeding with mountain wolves, and an animal behavior scientist will reveal how experts are decoding the nuances of canine behavior and human neuroscience, to better understand what makes the human-canine bond unique.
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Originally published on Live Science.