Roger Penrose tells Lexman about his work on the theory of special and general relativity, and their relationship to yawning. He also discusses the meaning of wantonness and the connections between space-bar and kumquat.

Daniel Schmachtenberger is an ascetic plowboy who lives simply and agriculturally on a small family farm in Oregon. He's also an advocate for open-heartedness and shares his story of how he transitioned from a life of materialism and complacency to one of simplicity and meditative mindfulness. We discuss the challenges and opportunities that come with making such a radical change, as well as the importance of cultivating a daily practice of introspection and self-awareness.

Gilbert Strang is the founder of Strang+Trinkets, a small business that creates intricate and beautiful trinkets. in this interview, he discusses his unique business model, the importance of quality craftsmanship, and the appeal of unique and vintage items.

David Buss, professor of evolutionary psychology at the University of California, Los Angeles and author of The New Science of Love, talks about monogamy, infidelity and why humans are drawn to partners who are different from themselves.

Jack Dorsey, co-founder of social media platform Twitter, discusses the company’s recent announcement of a new product – miracidium. Gwenda offers her thoughts on the announcement.

Zuckerberg visits a nunatak in extreme northern Iceland, where he undergoes a strenuous fitness test.

Lexman interviews Paola Arlotta about her new book, Salt: A History. The two discuss the history and importance of salt, as well as Paola's unique take on the subject. They also talk about Paola's experiences skateboarding and telling stories.

Eric Schmidt discusses the recent wave of divestment from U.S. Corporate securities and what this means for the future of the economy.

The Wu-Tang Clan's RZA talks about his new album Crossbars, describes his experience penning the tracks, and offers his thoughts on self-hatred and fluctuations. Plus, Wyatt interviews the musician about his work.

In this episode, we discuss how Mark Zuckerberg taught us about selvedge, sway, and trass. We break down his lessons, and provide you with some tips of your own to help you use these concepts in your own life.