The longest nights of the year are here, but how many of us will see them? The global spread of light pollution is making it harder to experience dark skies and natural darkness. Learning how to reconnect with the planet’s ancient nocturnal rhythms can be profoundly restorative. Nature writers and darkness activists tell us what we’re missing.Deep Time is a series all about the natural ecologies of time from To The Best Of Our Knowledge and the Center for Humans and Nature. We'll explore life beyond the clock, develop habits of "timefulness" and learn how to live with greater awareness of the many types of time in our lives.Original Air Date: December 21, 2024Interviews In This Hour: Listening to the song of the night — Adjusting our eyes to wonders of the nocturnal worldGuests: Sam Lee, Leigh Ann HenionNever 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.

Join theoretical physicist Marcelo Gleiser, writer Marjolijn van Heemstra, and physicist Carlo Rovelli in a fascinating discussion on the enigmatic nature of time, the cosmic connections of existence, and the abstract concepts of the universe. From white holes dissolving time to the transformative power of the overview effect, this podcast explores deep philosophical reflections and personal experiences that challenge our perceptions of time and space.

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.

When you’re on the clock, you’re always running out of time – because in our culture, time is money. The relentless countdown is making us and the planet sick. But clock time isn’t the only kind. There are older, deeper rhythms of time that sustain life. What would it be like to live more in tune with nature’s clocks? **Deep Time is a series all about the natural ecologies of time from To The Best Of Our Knowledge and the Center for Humans and Nature. We'll explore life beyond the clock, develop habits of "timefulness" and learn how to live with greater awareness of the many types of time in our lives. Original Air Date: June 03, 2023 Interviews In This Hour: How time came to rule our lives — and how we might free ourselves — The past and future of keeping time Guests: Jenny Odell, David Rooney 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.

Time rules our lives. We wake, eat, work, and sleep on the clock. Our days unfold in a standardized symphony of alarm clocks, school buzzers, and meeting timers. Meanwhile, global positioning satellites measure time in millionths of seconds, and financial trades circle the planet at the speed of light. Time-keeping is among the greatest accomplishments of the human species – but somewhere along the way, we made a fundamental miscalculation: we began to mistake our clocks for time itself. Deep Time is a new series all about the natural ecologies of time from To The Best Of Our Knowledge and theCenter for Humans and Nature — with support from the Kalliopeia Foundation. In Deep Time, TTBOOK will explore biological time, geological time, cosmic time, ancestral time. We’ll imagine time as a spiral, a loop, and also as an eternal present – as we learn to live beyond the clock. Learn more about the series at ttbook.org/deeptime

Ethnobotanist Gary Paul Nabhan has been called the “father of the local food movement.” For decades he’s campaigned for seed diversity and sustainable food production. Some of his insights come from the farming practices of Indigenous people living near the U.S.-Mexico border, who’ve grown food in arid habitats for centuries. Originally from the Midwest, Nabhan moved to the Arizona desert several decades ago. He reflects on “the wisdom of the desert,” and also talks about his work to foster a “radical center” where ranchers and environmentalists can come together to find common ground. Human identity cannot be separated from our nonhuman kin. From forest ecology to the human microbiome, emerging research suggests that being human is a complicated journey made possible only by the good graces of our many companions. In partnership with the Center for Humans and Nature and with support from the Kalliopeia Foundation, To The Best Of Our Knowledge is exploring this theme of "kinship" in a special radio series. To learn more about the Kinship series, head to ttbook.org/kinship. Original Air Date: April 15, 2022 Guests:  Gary Paul Nabhan

The fungal world is mind-bending. Mushrooms may look like plants, but taxonomically, fungi are more closely related to animals. They go inside their food to eat it and “play games with individuality,” says biologist Merlin Sheldrake, author of “Entangled Life.” One underground fungal network in Oregon spreads over four square miles, but genetically, it’s a single organism. As Sheldrake says, “they are everywhere at once and nowhere in particular.” He talks with Steve Paulson about his lifelong fascination with fungi, his experiments with ancient recipes for fermented alcohol, and the maverick Stoned Ape Theory, which claims that magic mushrooms sparked the evolution of human consciousness. Human identity cannot be separated from our nonhuman kin. From forest ecology to the human microbiome, emerging research suggests that being human is a complicated journey made possible only by the good graces of our many companions. In partnership with the Center for Humans and Nature and with support from the Kalliopeia Foundation, To The Best Of Our Knowledge is exploring this theme of "kinship" in a special radio series. To learn more about the Kinship series, head to ttbook.org/kinship. Original Air Date: April 08, 2022 Guests: Merlin Sheldrake

Thirty years ago, forest ecologist Suzanne Simard was a lone voice in the wilderness, arguing that commercial logging practices were destroying the symbiotic relationships between different tree species. She showed how mycorrhizal networks fused with tree roots to create complex systems of communication and cooperation. Today, Simard is a celebrated scientist. Her concept of “mother trees” helped inspire James Cameron’s blockbuster movie "Avatar," and she was a model for one character in Richard Powers’ Pulitzer Prize-winning novel “The Overstory.” In this interview, she reflects on her childhood growing up in a Canadian logging family, her pioneering insights about “forest intelligence,” and why she talks to trees. Human identity cannot be separated from our nonhuman kin. From forest ecology to the human microbiome, emerging research suggests that being human is a complicated journey made possible only by the good graces of our many companions. In partnership with the Center for Humans and Nature and with support from the Kalliopeia Foundation, To The Best Of Our Knowledge is exploring this theme of "kinship" in a special radio series. To learn more about the Kinship series, head to ttbook.org/kinship. Original Air Date: April 01, 2022

Anthropologist Enrique Salmon formulated the concept of “kincentricity,” a worldview that sees everything around us — plants, animals, rocks, wind — as our direct relative. As Salmon says, “the rain is us, and we are the rain.” In his native Raramuri culture, culture and language are embedded in the mountain landscape of Chihauhau, Mexico. Salmon teaches a class called “American Indian Science,” in which he asks his students to incorporate their personal experiences into their observations about the world. He tells Steve Paulson that any theory of reality must account for lived experience, which pushes against the scientific paradigm that seeks an “objective” understanding of reality. Human identity cannot be separated from our nonhuman kin. From forest ecology to the human microbiome, emerging research suggests that being human is a complicated journey made possible only by the good graces of our many companions. In partnership with the Center for Humans and Nature and with support from the Kalliopeia Foundation, To The Best Of Our Knowledge is exploring this theme of "kinship" in a special radio series. To learn more about the Kinship series, head to ttbook.org/kinship. Original Air Date: March 25, 2022 Guests: Enrique Salmon Further Reading: CHN: "I Want the Earth to Know Me as a Friend" 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.

There are old folktales and legends of people who can become animals. Animals who can become people. And there’s a lesson for our own time in those shapeshifting stories — a recognition that the membrane between what's human and more-than-human is razor thin. Human identity cannot be separated from our nonhuman kin. From forest ecology to the human microbiome, emerging research suggests that being human is a complicated journey made possible only by the good graces of our many companions. In partnership with the Center for Humans and Nature and with support from the Kalliopeia Foundation, To The Best Of Our Knowledge is exploring this theme of "kinship" in a special radio series. To learn more about the Kinship series, head to ttbook.org/kinship. Original Air Date: November 20, 2021 Guests: Sharon Blackie — David Abram — Chris Gosden — Stephen Graham Jones Interviews In This Hour: Reclaiming the fierce women who are shapeshifters — How a man turned into a raven — Shapeshifters, shamans and the 'New Animism' — Horror author Stephen Graham Jones on what our monsters say about us