John Spear, professor of civil and environmental engineering at Colorado School of Mines, explains the three domains of life that work together to make up a microbiome and provide the ecosystem for that microbiome to thrive.

You can listen to the episode here: https://open.spotify.com/episode/3PdoFBsyOfmEhKz273wn4T?go=1&utm_source=embed_v3&t=0&nd=1

The transcript is available here: https://www.mines.edu/communications/what-exactly-is-a-microbiome/