Dan Carlin is an American political commentator, amateur historian, and podcaster. Once a professional radio host, Carlin eventually took his show to the Internet, and he now hosts two popular independent podcasts: Common Sense and Hardcore History.

Spent 4 hours today in the studio with these two beautiful maniacs. We talked about everything from DMT to the #metoo movement, to the size of Jeff Sessions's schlong. To call it a "wide-ranging" conversation would be an understatement.

Graham Hancock became a world famous bestselling author with Fingerprints of the Gods, a book that questioned the mainstream narrative concerning the origins of civilization—among many other things. Now, he's just published a follow-up, Magicians of the Gods, bringing recent discoveries to his controversial, compelling narrative.

My second summer in Alaska. This time, I got a job on a tender, and found myself engaged in an epic struggle for the soul of a young man. Photos at chrisryanphd.com.

Like millions of people, I first became aware of Jeff Leach when I read about his attempt to transfer a hunter/gatherer's fecal matter to his own colon as a way to study the human microbiome. Little did I know I'd find myself sitting at the table with him in rural Texas a few years later or that he'd agree to share his insights with me on a podcast. Jeff's published in Science, Nature and everywhere else a groundbreaking researcher could dream of, but he's too busy with new projects to reflect much on past success.

Bailey Jay is a trans woman who is a pornographic actress, adult model, and podcaster. She's very smart, very funny, and pretty much my kinda girl. She's a regular on Jim Norton's show on Sirius XM, and was recently featured on Inside Amy Schumer.

Bailey's site (NSFW).

Jake and I drink too much coffee and discuss what to do when you get sand in your twat, the dubious nature of having a circus-sized penis, guaranteed basic income, blind pigs looking for acorns, and the coming Age of Trumpocracy.

Dr. Cacilda Jethá is unlike anyone you've ever met. Guaranteed. My wife, friend, co-author, and partner in crime for the past 15 years, she can't remember how many people have died in front of her, or how many babies she's delivered. She's part Indian, part Persian, part African, part Portuguese, and speaks seven languages. She lives at the nexus of many worlds and moves between them with incredible grace, generosity, and humor.

Bruce Damer is a Canadian-American multi-disciplinary scientist, designer, and author. He collaborates with colleagues developing and testing a new model for the origin of life on Earth and in the design of spacecraft architectures to provide a viable path for expansion of human civilization beyond the Earth. He began his career in the 1980s developing some of the earliest user interfaces for personal computers, led a community in the 1990s bringing the first multi-user virtual worlds to the Internet, and since 2000 supported NASA and the space industry on numerous simulations and spacecraft designs. He has spent 25 years chronicling the history of computing in his DigiBarn Computer Museum and curates archives of counterculture figures such as Dr. Timothy Leary, Terence McKenna and others. He currently serves as Principal Scientist at DigitalSpace; Associate Researcher in the Department of Biomolecular Engineering at UC Santa Cruz; Associate of the NASA Astrobiology Center; Member of the International Society for the Study of the Origin of Life, and Founding Director of the Contact Consortium. He also served as Visiting Scholar at the University of Washington and as a member of the Faculty at Charles University, Prague. Bruce also hosts a podcast called Levity Zone.

Wade Davis is an extraordinary guy. He's wandered into nearly every corner of this planet, published a slew of fantastic books (several of which have become films), studied hallucinogenic plants in the Amazon, explored voodoo rituals in Haiti, and tells the best shit-knife story you'll ever hear. 

Robert Clarke is one of the world's foremost cannabis experts and author, most recently, of Cannabis: Evolution and Ethnobotany (together with Mark D. Merlin). We met by chance in Hanoi in 2003 and have been friends ever since.

Dr. Suedfeld is a Holocaust survivor whose research is focused on how people experience extreme, unusual, challenging, and traumatic events and environments -- including arctic explorers, astronauts, and prisoners.

It's 1983, and I'm on my first trip to a foreign culture with a sharpened Kung-Fu star hanging from my neck. One thing leads to another and I realize I've stumbled into something far deeper, and more dangerous, than I could have imagined.

One of the leading ethnobotanists in the world, Dennis has just published a fantastic memoir about his fascinating life (much of it shared with his very famous brother, Terence) called Brotherhood of the Screaming Abyss.

Shawn is a deeply thoughtful man who helps other men confront and tame their demons. He's worked with addiction and men who have been abusive to themselves and the people around them. 

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Music: “Brightside of the Sun,” by Basin and Range; “Tear Shit Up” by Paris; “Smoke Alarm,” by Carsie Blanton.

David Ley is a sexologist, therapist, and author of three important books that challenge mainstream views of human sexuality.

What's the word for your ex-wife's husband, who you love more than a brother? How is "never enough" different from "never too much?"

Music by Sail Cassady, Gypsy Chicken, and Bimini Road.

Simon Rex is utterly unique. Actor, fashion model, MTV personality, rapper, social media star, intellectual, spiritual seeker, goofball, #vanlifer.... There's nobody like him -- or even similar. No category broad enough to contain him or his unlikely career. He's my brother, and I love the dude. Check out his new podcast here or wherever you get your podcasts.

Simon's hilarious Instagram feed is here.

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Music: “Brightside of the Sun,” by Basin and Range; “The Logical Song” by Supertramp; “Smoke Alarm,” by Carsie Blanton.

Jon and Cassie met in high school. Jon played guitar and wrote some songs. One day, he was invited to join a band. That band blew up, and the next thing he knew, he was on stage before tens of thousands of screaming teenagers. Money, fame, pressure, and confusion soon followed. Then Jon and Cassie decided to jump off the train of "success" and head down to Costa Rica for a while. Cassie wrote a book about all this, called, Everything is Moving.

Link to Anya's podcast episode mentioned in the intro.

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Music: “Brightside of the Sun,” by Basin and Range; “Everyone but You” by Jon Walker and The Young Veins; “Smoke Alarm,” by Carsie Blanton.

Akshay is an extraordinary guy living an extraordinary life. He's battled addiction, searched for IEDs in Iraq, dragged a sled across Greenland, climbed mountains, and sat in total darkness for 7 days and nights. These experiences and others informed his book, Fearvana -- endorsed by the Dalai freakin Lama, among others.

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Music: “Brightside of the Sun,” by Basin and Range; “Detox Mansion” by Warren Zevon; “Smoke Alarm,” by Carsie Blanton.

For 3 1/2 Years, Mike was the co-host of the popular libertarian podcast, Part Of The Problem with stand up comic & Fox News regular Dave Smith. He now hosts his own podcast called Mikeadelic, which focuses on the benefits of psychedelics and our right to cognitive liberty. He's traveled widely and was a stand up comic for 3 years in New York.

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Music: “Brightside of the Sun,” by Basin and Range; “Back in the High Life Again” by Warren Zevon; “Smoke Alarm,” by Carsie Blanton.

This is the soundtrack to the first Video ROMA I recorded for the good folks who support the podcast via my new web site. I found the experience to be surprisingly intimate. For as little as $2/month, you get a monthly video ROMA, access to all the podcast-related ebooks (so far, Tangentially Reading, and Tangentially Talking Drugs -- Tangentially Talking Sex coming soon). I decided to make this one available to everyone. I'll keep doing occasional ROMAs on this open platform, but not as often.

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Music: “Brightside of the Sun,” by Basin and Range; “Life Upside Down” by Brett Newski; “Smoke Alarm,” by Carsie Blanton.

Shawn is a deeply thoughtful man who helps other men confront and tame their demons. He's worked with addiction and men who have been abusive to themselves and the people around them. 

This episode sponsored by Lelo. Use discount code “chrisryan” at checkout for 15% off full price items.

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Music: “Brightside of the Sun,” by Basin and Range; “Tear Shit Up” by Paris; “Smoke Alarm,” by Carsie Blanton.

Doreen is a surfer who lives in Montana. She's planted over a million trees, and guides trips to Africa. My kinda woman!

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Music: “Brightside of the Sun,” by Basin and Range; “Poem” by She Drew the Gun; “Smoke Alarm,” by Carsie Blanton.

Jeff is a legend in the extreme sports community. He's one of those seemingly insane guys who jump off cliffs thousands off feet high -- either in a wingsuit or with a parachute. His thoughtful, calm demeanor presents an interesting contrast to the realms of sheer terror he's drawn to.

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Music: “Brightside of the Sun,” by Basin and Range; “Flip, Flop, and Fly” by Big Joe Turner; “Smoke Alarm,” by Carsie Blanton.

After over a decade carrying a gun (first with the Marines in Iraq and then as a member of a SWAT team), Daniel is now living off the grid in Idaho with his family, starting a different kind of life. We go deep into what it means to be a man, how to integrate caring and courage, and whether the military is a good place to get one's life together.

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Music: “Brightside of the Sun,” by Basin and Range; “Low Rider,” by War; “Smoke Alarm,” by Carsie Blanton.

Lierre spent twenty years refining and restricting her diet in search of better health -- but her health was getting worse, not better. Finally, a doctor told her she'd die if she didn't eat animal-derived foods. This led to a major shift in perspective and a deeply controversial book: The Vegetarian Myth: Food, Justice, and Sustainability

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Music: “Brightside of the Sun,” by Basin and Range; “River," by Ibeyi; “Smoke Alarm,” by Carsie Blanton.

Tony Perrottet is a journalist and author fascinated by the area where history and sexuality overlap. His latest book, Cuba Libre, includes lots of new material on the sexual lives of Fidel, Che, and the other characters (including many women) who pulled off what may be the most audacious revolution in history. He’s written other books about the Naked Olympics and Napoleon’s Penis. You get the idea.

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Music: “Brightside of the Sun,” by Basin and Range; “Don’t You Miss Me” by Seamus Og; “Smoke Alarm,” by Carsie Blanton.

When is love toxic? Should we insist on the "meaning" of words, or let them change over time and context? Is English the best f*&king language in the world?

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Music: “Brightside of the Sun,” by Basin and Range; “Trampoline,” by Joe Henry; “Daniel,” by Elton John; “Smoke Alarm,” by Carsie Blanton.

Kevin is one of the smartest, most thoughtful people you’ve never met. His 15 minutes of fame came when he and his daughter were featured on a TV show, focusing on his technique of helping her overcome fear by balancing on his hand. Formerly a leader in the world of Techno Optimism, being a dad has led him to rethink some of his previous positions. We talk about everything from God to AI to drugs to the importance of podcasting.

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Music: “Brightside of the Sun,” by Basin and Range; “Studebaker,” by Jordan Zevon; “Smoke Alarm,” by Carsie Blanton.

Drs. Nathan and Sunil have more degrees and certifications than I can list here. Even more impressive than all that paperwork is the fact that both of them have dedicated their lives to finding innovative ways to help people who are suffering in the deepest ways. At the AIMS Institute in Seattle, WA, they are exploring the use of Ketamine, psilocybin, and other modalities to treat the toughest forms of dis-ease. If you’d like to support their research (tax deductible), please go here.

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Music: “Brightside of the Sun,” by Basin and Range; “Long Time Coming,” by Leela James; “Smoke Alarm,” by Carsie Blanton.

Dr. Lori Brotto conducts research on women’s sexual health and difficulties, develops and tests psychoeducational interventions for women with sexual desire and arousal complaints, and studies many aspects of sexual health including: culture and sexuality, hormones and sexual desire, cancer and sexuality, concerns about HPV and sexuality, asexuality, and more.

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Music: “Brightside of the Sun,” by Basin and Range; “Like She Was a Hammer,” by Joe Henry; “Smoke Alarm,” by Carsie Blanton.

Derrick Jensen is a coauthor of Deep Green Resistance, and the author of Endgame, The Culture of Make Believe, A Language Older than Words, and many other books. He was named one of Utne Reader’s “50 Visionaries Who Are Changing Your World” and won the Eric Hoffer Award in 2008. We discuss animal communication, the trajectory of history, and the dangers of comfort.

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Music: “Brightside of the Sun,” by Basin and Range; “Summertime,” by Fort Francis; “Smoke Alarm,” by Carsie Blanton.

Michael Ellis has been around. His goal in life has been to excite and educate people about the rhythms of the natural world and biological processes, thereby stimulating an active participation in the protection of the valuable resources of the planet. By acting as a communication bridge between academicians and interested but untrained individuals he hopes to make the world of science less threatening but still wondrous. (Shamelessly lifted from Footloose Forays)

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Music: “Brightside of the Sun,” by Basin and Range; “Nothing Turns My Lock,” by Kate Vargas; “Smoke Alarm,” by Carsie Blanton.

Astrid honored me by sharing a story that is both profoundly personal and, in some ways, not terribly uncommon. If you’ve ever felt that a relationship (or partner) was absorbing you into an alternate reality, this conversation will speak to you.

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Music: “Brightside of the Sun,” by Basin and Range; “101 (The Good Stuff),” by Knowmads; “Smoke Alarm,” by Carsie Blanton.

SEANE CORN is an internationally acclaimed yoga teacher and public speaker known for her social activism, impassioned style of teaching, and raw, honest and inspired self-expression.

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Music: “Brightside of the Sun,” by Basin and Range; “Rise the Moon,” by Kate Vargas; "A Good American Life," by Ed Dupas; “Smoke Alarm,” by Carsie Blanton.