In ancient Israel, sheep herding was a vital part of life. During the day, it was easy for the shepherd to see a wolf and protect the flock. Nighttime was a different story; when darkness fell, the shepherd was powerless. Not so with his dog. Even in the dark, when he could not "judge after the sight of his eyes or reprove after the hearing of his ears", the dog could smell a wolf. A dog’s sense of smell is 100 times greater than a humans. At a burned-out arson site a dog can