Dirt is all around us—literally, in Earth's case. Maybe we don't give it its proper due, though: Civilizations have crashed because of misunderstandings about soil's importance. Chico State professor Garrett Liles explains why soil is such a vital part of our world.

The intro song is "Look Up" by Aaron Sprinkle. The outro is "Emerging Flame" by Adrian Walther.

Read a full transcript of the episode here: https://today.csuchico.edu/what-can-we-learn-from-the-dirt?