Guests: Marcia Bjornerud, Stephen Alvarez, Dustin Illetewahke Mater. Topics: Geological time, ancient cave art, making art inspired by ancestors, cultural identity. Exploring deep time and the significance of longer-term perspectives. Fascination with areas without official time, such as Svalbard. Thinking like a geologist for comfort and perspective. Rocks as animate beings, blurring the line between animate and inanimate. Preparation to visit an ancient rock art site and speculation about its purpose. Significance of ancient art and its connection to cultural identity. The importance of being a part of nature.