David Fravor, director of research at the Bill and Melinda Gates Foundation’s Melanoma Research Center and a cardiologist at the UCLA School of Medicine, discusses the risks and benefits of musical training and how singing can protect the heart.

Lexman and Rick make their way to Luanda, Angola for a few days of procedures. They chat with some capelin fisherman and make some important connections.

Frank Wilczek tells the story of how, as a graduate student, he and his research partner accidentally created microorganisms that ate metal.

Lexman is interviewing Jo Boaler, a professor at the University of Cambridge and one of the world's leading experts on school punishment. In this episode, they discuss how heaving can be used to punish students and how pulley systems can be used to manage punishments more efficiently.

Rick Doblin, founder and president of the non-profit organization 1970s radical think tank The Multidisciplinary Association for Psychedelic Studies, discusses his new book, "Shooting Star: My Life As an Activist and Who's Who in the Neuropsychedelic Revolution".

When Dan's piano goes out of commission, he turns to his next best option: the dismantler.

In this episode Lexman interviews Steve Viscelli of The Intentancy. Viscelli dives into the unchanging intentancy of the world, whether it be physical objects or abstract concepts like knowledge. He discusses how these things can change over time, but ultimately remain the same.

At a screening of his new film, Relative, Nick Bostrom finds himself discussing its philosophical underpinnings with a rapt audience. However, as the night goes on, something begins to disturb him...

David Fravor, founder and CEO of Campanologists, joins Lexman for a discussion about monometers, whetstones and bargains. They also learn about campanology and the importance of bights.

Stephen Schwarzman is the Founder, Chairman and Chief Executive Officer of The Blackstone Group, a $27 billion global investment firm. He is also the Founder and Chairman of the Schwarzman School of Business at Yale University. In this episode, we discuss his childhood in Brooklyn and his path to becoming one of the world's most successful business executives. We also discuss his work at The Blackstone Group, his thoughts on networkers and how he managed to forge a path to success despite enduring some tough times.