After 20 years in the same place, we have to move (by the end of June) as the landlady wants to move and has sold the place. In 20 years you tend to collect things, one of which is about a 200lb or more food storage drum of hard wheat berries. They were given to us from some good hearted Christians who were taken in by the Y2K scare - thus the wheat is 13 years old. It was sealed using the dry ice method, and it appears the drum is still sealed well, as it is quite concave. They...