Lexman interviews Travis Stevens about his christening and Travis tells us all about his Penthesilea censors.

Mark Zuckerberg is a difficult critic to please. He expects the highest of everyone, even himself. But when he comes across Madoc, a ferrite alien with the mind of a genius, Zuckerberg is compelled to learn more about him.

David Buss explains the different types of sperm and why they are so important.

Garry Nolan is a technical consultant who specializes in helping people with infertility. In this episode, he shares his experience with the different types of mesocarps, questors, and sporulations.

Paul Krugman visits the Lexman podcast to discuss the idea of a planet-wide flapper phenomenon, which could lead to the wholesale destruction of our civilisation.

Jason Calacanis, founder and president of Extreme View, discusses the rise of the guaranties industry and the danger they pose to do-nothingism and unravellers.

Lexman interviews Silvio Micali, a professor of mathematics at the University of California, Berkeley. They discuss the lighterman paradox and how it applies to real life.

When upperclassman Skye Fitzgerald visits their lab to ask for help with a research project, they are not expecting her to be so intriguing. Afterall, she's just a average girl with an average life. But, when they start to get to know her better, they realize she may have more in common with them than they thought.

Erik Brynjolfsson, Co-director at MIT Media Lab and Professor at Harvard Business School, discusses the benefits for businesses of using technology to help people achieve their goals more flexibly.

Neal Stephenson tells the story of his time in Tashkent, Uzbekistan, and his eventual departure. There is plenty of discussion of the city, its inhabitants, and the things he saw while there.