For years, Robin Carhart-Harris dreamed of using brain scans to study people on LSD. He’s gone on to conduct pioneering research on psilocybin, and he’s formulated a theory of the "entropic brain" to explain what happens during psychedelic experiences.

Steve spoke with Yale astrophysicist Priya Natarajan about the search for invisible parts of the universe, dark matter, and the mind-boggling nature of black holes.

The internet is indeed overflowing with fake content, says computer scientist Walter Scheirer. But the vast majority of it seems aimed at the creation of connection—rather than destruction.

When an actor cries on stage during a theater production or in a film, what are they really doing? Jen Plants says when an actor cries on stage, it’s a lot more complicated, and important, than you think.

K-pop is connecting fans from all over the globe in a time of great disconnection, creating one of the biggest fan communities in the world. Producer Angelo Bautista takes us on a journey to the heart of K-pop fandom.

Beth Allison Barr is a Southern Baptist from Texas who was raised evangelical, married a pastor and had two children. She’s also a feminist professor of medieval history at Baylor University, and the author of a book that isn’t winning her many friends in the evangelical world: “The Making of Biblical Womanhood: How the Subjugation of Women Became Gospel Truth.”

Donald Trump won 84% of the white evangelical vote in 2020. To shore up that base, he’s now moving beyond conservative Christian values, to Christian nationalism. That nationalism, journalist Jeff Sharlet argues, represents a real and present threat of "simmering violence."

Questions about identity, history, language, what should or should not be taught in school — these are all debates about confronting our past. Political theorist Adom Getachew says many of these issues were debated in Africa more than 60 years ago.

Annabel Abbs-Streets found a way to creatively and spiritually embrace her sleepless hours. She writes about what she discovered in a book called “Sleepless: Unleashing the Subversive Power of the Night Self.”

Tony Bossis was one of the lead investigators on the 2016 study that found stress reduction in cancer patients after a single dose of psilocybin. He's fascinated by how the mystical experiences of the great religions map onto psychedelic experiences.

Roland Griffiths helped pioneer the use of psychedelics to treat people with cancer who are scared of dying. Then he got his own terminal diagnosis. He talked with Steve Paulson in January 2023 about his personal LSD journey when he "talked" with his cancer.

If you are now or have ever been a dog lover, there’s a place you need to go — Dog Mountain in Northern Vermont. 150 acres of hills, trails, and ponds just for pups, plus a dog chapel for memorializing lost pets and an annual summer dog party.

Social critic Alissa Quart says the American ideal of the self-made, rugged individual is built on a lie. In her book "Bootstrapped," she argues that even the people who preached the gospel of self-reliance, like Laura Ingalls Wilder and Henry David Thoreau, didn’t live up to it themselves. 

When you look online, you might think the most important pursuit in life is self-creation — optimizing, curating, branding yourself. Social critic Tara Isabella Burton says our current obsession with personal identity has deeply religious roots, which then got co-opted by advertisers and the self-help movement.