Last week my wife picked these 'pods' while on her morning walk. We were gone for the weekend and left them on a kitchen cabinet. When we returned several pods and their seeds were scattered on the floor. We were convinced that someone had been in the house.

However, as I was catching up on my e-mail, I heard a crack in the kitchen. I found a 'pod' on the floor. The pods had exploded over the weekend and continue to do so tonight.

Neither my wife nor I know what these 'pods' are. Do you?