From our narrow vantage point on Earth, how can we see what's out there, beyond our skies? We look to how scientists and scholars have studied eclipses, dark matter, deep-space transmissions from intelligent life and more, all in the hopes of painting a clearer picture of a vast and invisible universe. Original Air Date: August 19, 2017 Interviews In This Hour: How Eclipse Chasing Inspires Generations of Scientists — How Do We Investigate The Invisible Parts of the Universe? — Search For Life In All The Wrong Places — What Can You Hear In Space? — T ..read more

AI can do amazing things – write your term papers, sequence your genes, maybe replace your therapist. But even super-intelligence has limits. So, does AI really have a mind — or a soul? We'll explore the frontiers of artificial intelligence — from robots painting masterpieces to software engineers trying to create god-like machines. Original Air Date: March 30, 2024 Interviews In This Hour: Stop worrying about deepfakes — Does AI have a soul? — Can robots paint a masterpiece? Guests: Walter Scheirer, Meghan O’Gieblyn, Sougwen 愫君 Chung Neve ..read more

In 2020, Donald Trump won 84 percent of the white evangelical vote.). Lately, he’s been leaning even more deeply into the rhetoric of Christian nationalists. Who are they, and what’s their role in the evangelical church? We talk with some Southern Baptists today, whose views may surprise you. Original Air Date: March 09, 2024 Interviews In This Hour: The 'simmering violence' of Donald Trump and Christian nationalism — Examining the Role of Southern Baptist Women — Why One Black Pastor Left the Southern Baptists Guests: Jeff Sharlet, Beth Allison Barr, Jo ..read more

What’s the last dream you remember having? Some of us dream every night. But we’re in too much of a hurry to remember our dreams or think about them the next day. Others of us are dream-deprived. What if we embrace our dreams — and our night selves —  as a way to understand ourselves better, to connect to each other, even to lead a better life? Original Air Date: February 24, 2024 Interviews In This Hour: Why dream life matters — The lives we live inside our dreams — A dreaming mind, illustrated — Embracing your night self Guests: Rubin Naiman, Kell ..read more

In the first episode of "Luminous," our series about the philosophy and the future of psychedelics, how can psilocybin ease our fears about dying? And how can psychedelics change the way we approach the end of life? Original Air Date: April 08, 2023 Interviews In This Hour: How a pioneering psychedelic researcher 'leaned in' to his terminal cancer diagnosis — Dying without fear: How psychedelics can ease the anxiety of terminal illness — The terror and the ecstasy of psychedelics Guests: Roland Griffiths, Lou Lukas, Anthony Bossis Editorial note: Roland Griff ..read more

Today we're bringing you a conversation from "Kelly Corrigan Wonders." As a podcaster, Kelly is a kindred spirit – curious, genuine, caring — and this conversation is from a series about one of TTBOOK’s own core values – intellectual humility.  It’s about the magic that happens when we stop trying to be right all the time. In this episode, Kelly talks with researcher and academic Daryl Van Tongeren about how we come to conclusions and what, if anything, can interrupt the creation of overconfident, under-researched, ironclad, and divisive by nature convictions. Daryl teaches at Hope Colleg ..read more

In the world of internet influencers and YouTube stars, it’s not enough to be ordinary anymore. You need to be special. But where did this craze for personal branding come from? Why are we so obsessed with ourselves? To understand this cult of the self, we need to go back to 19th century spiritual movements and the rise of the huckster — and also the myth of rugged individualism. But if we’re always shouting “Me me me,” what are we losing? What has it cost us? Original Air Date: February 03, 2024 Interviews In This Hour: If nobody sees you online, do you exist? — How person ..read more

Rooted in reality, written with a keen observer’s eye, and shaped with a sense of song, documentary poetry tells the truth in an artist’s voice. For generations, through wars, crisis, and political upheaval, documentary poets have helped make sense of some of our most difficult moments – by expressing what might otherwise be impossible to say. So what are they writing about today? Original Air Date: January 13, 2024 Interviews In This Hour: The gospel of Suncere Ali Shakur — This is how I drew you — The poetry that bears witness to the everyday Guests: Philip Metres,&n ..read more

For all the talk about how psychedelics might transform psychiatric care, there's still a fascinating question at the heart of psychedelic science. Is it the mind-blowing experience that fundamentally changes a person’s outlook on life? Or is it the powerful molecules that rewire the brain? Check out the full series: ttbook.org/luminous Original Air Date: December 16, 2023 Interviews In This Hour: Does psychedelic therapy need the trip? — Will psychedelics replace antidepressants? — Spiritual warriors in the psychedelic underground Guests: David Olson, C ..read more

Maps, whether drawn by hand or by satellite, reflect the time they were drawn for. How will the next generation of cartographers deal with challenges like a world being reshaped by climate change? Original Air Date: December 09, 2023 Interviews In This Hour: Why are islands in the South Pacific disappearing? — Cartography in the age of Google Maps — This is your brain on maps — The mysterious music of the 'phantom islands' Guests: Lagipoiva Cherelle Jackson, Mamata Akella, Bill Limpisathian, Andrew Pekler Never want to miss an episode? Sub ..read more