Of all the scenarios that keep astrophysicist Sandra Faber up at night, it's not the Earth's increasing volcanism, the loss of photosynthesis, or even the impact of a massive asteroid. Rather, it's the collapse she's certain will result from the unbridled growth of the world's economies. Join Faber and EconTalk host Russ Roberts as they explore what the most inexorable law of physics has to do with economics and whether the world's growing economies pose a problem or provide the solution for the finiteness of planet Earth.

Philosopher Jennifer Frey of the University of South Carolina talks about the state of the university in American education. Frey urges a stronger focus on virtue and human flourishing and a reduced focus on career preparation. Roberts, despite his sympathy with the examined life, challenges the virtue of philosophical enquiry. At the end of the conversation, both guest and host defend philosophy.

Author and psychologist Paul Bloom of the University of Toronto talks about his book, The Sweet Spot, with EconTalk host Russ Roberts. Bloom argues that suffering is underrated--suffering is part of happiness and meaning. This is a wide-ranging discussion of popular culture, religion, and what we hope to get out of life.

Journalist and author Rowan Jacobsen talks about his book Truffle Hound with EconTalk host Russ Roberts. This conversation has nothing to do with chocolate. It's about the strange world of underground fungi, found in the forest by specially trained dogs and used by chefs and home cooks around the world. You will learn about truffle oil, cooking with truffles, truffle hounds, and the economics of all of the above.

Author and journalist Sam Quinones talks about his book, The Least of Us, with EconTalk host Russ Roberts. Quinones focuses on the devastation caused by methamphetamine and fentanyl, the latest evolution of innovation in the supply of mind-altering drugs in the United States. The latest versions of meth, he argues, are more emotionally damaging than before and have played a central role in the expansion of the homeless in tent encampments in American cities. The conversation includes an exploration of the rising number of overdose deaths in the United States and what role community and other institutions might play in reducing the death toll.

Economist and author Arnold Kling talks about improving government regulation with EconTalk host Russ Roberts. Kling suggests ways to improve the administrative state--the agencies and regulatory bodies that often write the regulations that they enforce. The conversation concludes with Kling's idea for holding public intellectuals accountable for their pronouncements.

Author and economist Noreena Hertz of University College London talks about her book, The Lonely Century, with EconTalk host Russ Roberts. Hertz blames social media and the individualist, pro-capitalism worldviews of leaders like Margaret Thatcher and Ronald Reagan for the rise in loneliness in the developed world. Russ suggests some alternative causes. The result is a lively conversation about understanding and explaining social trends.

Economist and author David Henderson talks about his book (co-authored with Steve Globerman) The Essential UCLA School of Economics with EconTalk host Russ Roberts. Much of the conversation focuses on the work of Armen Alchian and Harold Demsetz, who both saw economics as a powerful tool for understanding human behavior and how the world works.

Author and Microsoft executive Glen Weyl talks about radical reforms of capitalism with EconTalk host Russ Roberts. Weyl is worried about the concentration of corporate power, especially in the tech sector. But rather than use the traditional tools of antitrust, he has a more radical strategy for reorganizing corporate governance entirely.

Author and journalist Johann Hari talks about his book, Lost Connections: Why You Are Depressed and How to Find Hope, with EconTalk host Russ Roberts. Hari, who has suffered with depression as a teenager and an adult, offers a sweeping critique of the medical establishment's understanding of depression and the frequent reliance on pharmaceutical treatments. Hari argues that it is our lost connections with each other, with our work, and with ourselves that explains the rise in depression in recent times.