Soil is the source of life. It's home to a complex network of bacteria, viruses, minerals, fungi, worms, insects, and decaying organic matter, all of which work together to create an inexplicably nutritient-dense medium. It's the perfect elixir, forming the base of all terrestrial ecosystems' food webs. Just as energy passes through food chains, so do the minerals and micronutrients that are converted and mined by the subsurface biome -- signatures and gifts of the soil. What mysteries lie beneath the soil? Can soil be replaced by other mediums for growing food? How do we ensure that soil health is the center of agriculture