Once sworn enemies in TV appearances and on social media, Fred Guttenberg and Joe Walsh got together privately and realized there is much that unites them. They are now on a tour of college campuses hoping to share their success in bridge-building with others divided by hate.

Aboard his 100 ft sailboat, the geneticist famed for his work deciphering human genes spent 15 years sailing the world’s oceans, discovering millions of unknown genes in the microbes that live there – genes that could lead to new sources of energy, food and medicine.

After a successful career as an award-winning magazine editor, Adam Moss decided to put it all aside to pursue a passion for painting. He became pretty good; but something was missing. His struggle to understand what that something was led him to his new book, The Work of Art.

Should we be planning to establish settlements on the moon and Mars? To many, including a couple of billionaires, the idea has become almost an obsession. An unlikely husband and wife duo has spent years digging deeply into plans to colonize space. Their conclusion: not so fast.

We exist because of the moon. Rebecca Boyle relates the amazing story of how the moon, born of a cataclysmic collision with an infant earth, has shaped our history, our evolution, and even our very existence.

Her new book tracks the momentous events of the 1960s when her husband, Dick Goodwin, worked closely with both JFK and LBJ, and Doris worked with LBJ, as the two very different presidents shaped the future.

Alan and Executive Producer Graham Chedd chat about and play excerpts from Alan's conversations with some of the guests in the new season, beginning next week. Guests include newspaper editor Adam Moss; science journalist Rebecca Boyle; and writers Kelly and Zach Weinersmith.

Stephen Dubner, host of Freakonomics Radio, has long been fascinated by the great physicist Richard Feynman. As has Alan. Stephen has devoted a year to making a remarkable podcast series on Feynman, and Alan has played Feynman on the stage for a year. They compare notes on what they’ve come to learn about him.