How powerful is a dog's nose? - Inside the Animal Mind - BBC

Just how powerful is a dog's sense of smell.? Today, search dog Fern is going to test out her senses to see if she can find a canister filled with pork meat - in the middle of a lake under 7 meters of water and mud. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.faceb ...