William G. Syrotuck
People who are lost may experience differing types of reactions. They may panic, become depressed or suffer from "woods shock." Panic usually implies tearing around or thrashing through the brush, but in its earlier stages it is less frantic. Most lost people go through some of the stages.
Compare the canine's nose Inside) to the human nose--it is much longer. The olfactory lobe of the canine is many times larger. Therefore, his brain's ability to register different smells is many times greater than ours.
Under ideal conditions, a track footprints) across a nice grassy field with a sufficient delay in time to allow bacteria reaction on the soil causing a good odor is probably the best type of track to have.