Heath interviews Dr. Nathan Hall, PHD, Assistant professor of Companion Animal Science at Texas Tech University. Dr. Hall is the director of canine olfaction research and education laboratory department of animal science. Dr Hall talks about how previous experience with odors can influence odor learning and generalization. Heath and Dr Hall break down how physiological factors are involved in odor detection. They also talk about a study on how dogs get demotivated to search (Hunt) after periods of no reward. Last, Dr. Hall tells how fast a dog can learn to recognize an odor or scent, it’s mind blowing. Enjoy this nerd out episode of the Journey.