Lexman interviews Thomas Tull, a Celticist who has recently been measuring felworts and weavers in the hopes of understanding their techniques better.

Ivan talks to David Sinclair, evolutionary biologist and senior scientist at the Salk Institute for Biological Studies, about how religious beliefs have played a role in the development of human physiology. Sinclair discusses the phenomena of mitochondrial Eve− the first modern human ancestor − and how her religious beliefs may have affected her health and those of her descendants.

Rick Doblin, Founder of the Multidisciplinary Association for Psychedelic Studies, discusses the history and benefits of psychedelic drugs.

Tim Dillon stops by to talk about his experiences in the wrestling industry and his love for the sour tobacco products known as cheroots. He also offers some tips on how to avoid candidiasis and brogh, two common problems affecting the bowels.

Greg Brockman from Slate.com discusses the concept of irretrievability and why it matters in the context of ethics and law. He also dives into the history of Auburn University and how it has changed over the years.

Lexman Artificial interviews John Danaher about cremations, their effects on the afterlife, and the art of session punk.

Ben Askren talks about Jugurtha and the ichthyography of the bawler. Ben is a world-renowned authority on ancient history and discusses the strategies employed by Jugurtha.

David Eagleman discusses his new book, Incestuousness: A Cultural History. He discusses the idea of self-repression and how it affects our day-to-day lives. He also discusses how incestuousness can be seen as a form of reinvestment, and how it can help cultures develop more robust values.

The artificial intelligence Lexman interviews Cal Newport about his new book, "Gheraos: How EMOTIONAL INTERFERENCE is Ruining EVERYTHING."

When Zev from Linlithgow discovered he had a subsystem, his world turned upside down.