An in depth look at the laws of the Red Heifer. One apparent inconsistency was that the impure individual who the ashes were sprinkled upon would become pure; while the Kohain sprinkling him would then become impure at the same time.
In this weeks Torah portion the Jewish people complain about Moses and G-d. G-d in turn sends a poisonous snake. The Jews, realizing their sin, come to Moses to pray on their behalf. G-d orders Moses to construct a copper snake in the center of the camp, at which all who gaze upon it would be healed.