David Montgomery is a MacArthur Fellowship "Genius" Grant recipient and prominent geologist, but his education never trained him to explore the rich biology within soil itself. Luckily his wife Anne Bikle is a brilliant biologist. Together they have expanded their collective knowledge to learn that there is an entire ecosystem of microbes living just beneath the surface. As discussed in his book "Dirt: The Erosion of Civilizations", significant data exists to indicate that societies that do not take care of their soil are destined to doom. In his latest book "Growing a Revolution" he teaches us how to bring our soil back to life by combining ancient wisdom with modern science and techniques.