Can you hear corn grow?

As a youngster, I enjoyed going to coffee with my Grandpa. We’d sit around a square café table with Grandpa’s cronies, but the drinking of coffee didn’t seem to be the main goal. It was the gentle teasing and camaraderie of men my grandpa’s age. I enjoyed listening, though I was never quite sure if the stories were true or if they were just pulling my leg.

One of those stories was that if you stand…