is the vital tool in learning and thinking . We all use in our everyday lives. Think about the first time you ever tied your shoe laces or rode a bike; those are all forms of , long term or short. If you do not remember anything from the past , you would never learn; thus unable to process. Without memory you would simply be exposed to new and unfamiliar things . Life would be absent and bare of the richness of it happy or sorrow. Many scientists are still unsure of all that happens and what and how memory works. They are certain , though , ....