Fasting is an ancient practice that’s experiencing something of a revival right now in health and fitness circles. But when John Oakes set out to explore the concept, he took it a lot deeper.

In her latest novel, Irish novelist Maggie O’Farrell takes us into the world of Renaissance Italy, where she unravels the tale of a young woman, Lucrezia de’ Medici. Shannon Henry Kleiber talked with O’Farrell about what we can learn about history and ourselves through the many layers of portraits.

Peter Brathwaite has now researched and re-imagined more than a hundred paintings of Black subjects. What began as a game is now a book and a museum exhibition called “Rediscovering Black Portraiture.”

Turns out there is an emerging science of uncertainty — a new frontier in psychology, artificial intelligence, and surgery — where things can go very wrong when people are missing a crucial skill set: being unsure. Maggie Jackson explains.

Stephen Alvarez — a National Geographic photographer and founder of the Ancient Art Archive — has spent years documenting ancient rock art around the world. He takes Steve Paulson on a long hike in the Cumberland Plateau, where they find an "unnamed cave" with 2,000-year old engravings.

In the years when psychedelic science had been shut down, Amanda Feilding helped jump-start research into altered states of mind. Today, she's in her 80s and remains active in psychedelic research with her Beckley Foundation.

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.

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.

Ngugi wa Thiong’o — the renowned Kenyan author — believes African writers should write in their native language, not the colonial language of English or French. He says the best way to decolonize the mind is to reclaim native languages.

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.

Neil Gaiman's "Sandman" graphic novel is now a Netflix series. Gaiman has made a career out of tapping into our unconscious dreams and fears. In 2003, Steve Paulson traveled to Gaiman's home in Wisconsin to talk about where his story ideas come from.