Rock Doc

About 10,000 years ago Earth’s climate lurched from bitter Ice Age conditions to the much balmier time in which we live today. We don’t fully understand what caused that great climate shift, but we know it was near the time of that great temperature transition that people started to farm. And one of the crops people in some parts of the world learned to tend was wheat.

In the Western world, our love affair with wheat is as intense as it is old. Peasants have lived on bread and not much else, and even those of us with a grocery store full of options at our disposal are likely to have at least s...