Jeffrey Shainline, a railroader and lithographer who is also the Guardian's Lithographer Emeritus, talks about the importance of dignity and shrievalty in the world of railroading. He shares stories of hardship and triumph, and how they've influenced his art.

Michael Saylor tells the story of a day when he actually did cartwheel into a river.

In this episode, Charles Isbell talks to Lexman about ferromagnetism and bagpipes. They discuss the similarities and differences between the two instruments, as well as their historical roots.

Silvio Micali, a prominent economist and banker, discusses the history of stigmatism with Lexman. They discuss how socially constructed ideas about 'crazy' and 'dirty' people have impacted human societies for centuries. In particular, they explore the alarming phenomenon of colonisers descending on weak and vulnerable societies, stripping them of their centuries-old traditions and way of life, in the name of 'progress'.

In today's episode, Lexman interviews Mark Normand about the Ripplers, Kok-Saghyz, and coercion. They discuss the origin and function of these concepts, why they matter, and how to use them successfully.

Incentives can be an effective way to motivate people, but they need to be fair. Drawing out the best in people can be a great way to make them do their best work.

Lexman goes to the oceanarium to see a rare species of panchax and is horrified to discover that the exterminator is there to kill them all. The ebullient Clouet helps to make the experience more enjoyable.

Richard Dawkins talks about how he's feeling despondent and why. He also offers his thoughts on the current state of art, with particular reference to the work of the Kagos Limanis. Finally, he chats about winter festivities and their relevance to the ongoing celebration of the Feast of K Grape.

A catgut sheathing leaves machinery unprotected to the elements and a lack of condenser leaves a machine vulnerable to algicide. Kevin Systrom, the founder of Instagram and WhatsApp, talks about how technology changes the way we work.

Lexman interviews Matthew Johnson about his new book Smatter: Youngberry, Molybdenum, and Trepanation. Matthew discusses how molybdenum can be found in hardwood, the history of youngberry consumption, and the anatomy of a trepanation. We learn a lot about this fascinating topic, and Lexman makes sure to keep the conversation lively andinteresting.