Deep Time: How Earth Keeps Time

Are you ready to think in centuries instead of seconds? Eons instead of hours? It’s time to make thousand-year plans and appreciate how Earth keeps time.  Original Air Date: August 19, 2023 Interviews In This Hour: Shifting your mind to 'geologic' time — Discovering the wonders of ancient cave art — Making art inspired by the ancestors Guests: Marcia Bjornerud, Stephen Alvarez, Dustin Illetewahke Mater Never want to miss an episode? Subscribe to the podcast. Want to hear more from us, including extended interviews and favorites from the archive? Subscribe to our newsletter.

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”To the Best of Our Knowledge” is a Peabody award-winning national public radio show that explores big ideas and beautiful questions. Deep interviews with philosophers, writers, artists, scientists, historians, and others help listeners find new sources of meaning, purpose, and wonder in daily life. Whether it’s about bees, poetry, skin, or psychedelics, every episode is an intimate, sound-rich journey into open-minded, open-hearted conversations. Warm and engaging, TTBOOK helps listeners feel less alone and more connected – to our common humanity and to the world we share. For more from the TTBOOK team, visit us at ttbook.org.