Philosopher Christian Miller discusses the nature of character with Marcus Smith.

Heather Curtis tells the story of a newspaper that gave birth to the ways in which we think about humanitarianism. Dr. Curtis is an Associate Professor of Religion at Tufts University. She is the author of two book and served as the senior editor of the Oxford Encyclopedia of Religion in America. Among other awards, she has received grants from the Institute for the Study of American Evangelicals and the Center for the Study of World Religions at Harvard University.

Amanda Lotz, renowned media analyst and Professor of Media Studies at the University of Michigan, rolls through the history of television and offers some predictions as to its future. Professor Lotz has authored and coauthored a number of books, most recently We Now Disrupt this Broadcast: How Cable Transformed Television and the Internet Revolutionized It All.

Anna Zeide walks Marcus Smith through the history of the canning industry and tells the story of how consumers came to trust in food that came from a little opque can.

Guest Katherine Benton-Cohen visits with Marcus Smith about the Dillingham Commission and how its legacy is affecting U.S. immigration law today.

Marcus and Phil Windley dissect Blockchain: what is it, how does it already affect the infrastructure of our lives, and what will it become? Phil Windley works as an adjunct professor and Enterprise Architect for BYU. Prior to that he worked for two years under Utah Governor Mike Leavitt as Cheif Information Officer.

Kathryn Tempest, senior lecturer on Roman history at the University of  Roehampton London and author of "Brutus: The Noble Conspirator," joins the show to talk about how we know what we know about Marcus Junius Brutus and his infamous assassination of Julius Caesar.

Paleontologist Stephen Brusatte joins Marcus Smith for a lively conversation about the history of dinosaurs.

Using the Grand Canyon as a case study, Marcus Smith talks with a journalist about the competing interests of public and private lands, as well as the effects climate change could have on our treasured national parks.

Robert Costanza, one of the foremost proponents of ecological economics, discusses how his field broadens and nuances our understanding of human prosperity and well-being.