When you go out into the world and walk on the Earth, have you ever wondered what was beneath your feet?  Animals and plants, of course, but mostly soil.  Soil is a wonderful substance, an essential element in the riot of life that covers the planet’s continents.  But soil is not without life of its own: a handful of fertile soil is home to more organisms in a than there are people on Earth.  And these organisms are vital to plant and animal nutrition and growth.  Join host Ronnie Lipschutz and Dr. Chelsea Carey, Director of Soil Research and Conservation at Point Blue Conservation Science  for a fascinating conversation about the life beneath our feet.