
People I (Mostly) Admire
Freakonomics co-author Steve Levitt tracks down other high achievers for surprising, revealing conversations about their lives and obsessions. Join Levitt as he goes through the most interesting midlife crisis you’ve ever heard — and learn how a renegade sheriff is transforming Chicago's jail, how a biologist is finding the secrets of evolution in the Arctic tundra, and how a trivia champion memorized 160,000 flashcards.
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Latest episodes

8 snips
Dec 25, 2021 • 51min
57. What Makes John Doerr Think He Can Save the Planet?
John Doerr, a legendary venture capitalist known for his early investments in Google and Amazon, shares his vision for achieving net-zero emissions by 2050. He advocates for substantial investments in clean energy and innovative technologies while discussing the challenges of rallying venture capital for climate startups. The conversation also explores the Peltzman effect, illustrating how safety measures can alter risk behaviors. Challenging traditional views, Doerr examines the complexities of implementing carbon taxes and the urgent call for global collaboration to combat climate change.

Dec 18, 2021 • 49min
56. Claudia Goldin: What’s “Greedy Work” and Why Is It a Problem?
Claudia Goldin, a Harvard economist and author of "Career and Family," dives into the complexities faced by women in the labor market. She discusses the idea of 'greedy work' and its impact on wage disparity. Goldin explores how inflexible jobs and family responsibilities hinder women's earnings and reflects on how the COVID-19 pandemic might be a turning point. The conversation also highlights the need for policy changes to balance caregiving roles and employment, advocating for reforms to support gender equality in the workplace.

Dec 11, 2021 • 48min
55. Jared Diamond on the Downfall of Civilizations — and His Optimism for Ours
Jared Diamond, an award-winning author known for his works like "Guns, Germs, and Steel," shares his fascinating journey from studying gallbladders to exploring civilizations. He discusses the downfall of the Norse Greenlanders, who couldn't adapt their diet, and the broader implications for today's society. Diamond also reflects on the paradox of environmental destruction, tales of adventure in New Guinea, and the joys of later life. His insights inspire optimism about humanity's future despite historical challenges.

Dec 4, 2021 • 54min
54. Andrew Yang Is Not Giving Up on Politics — or the U.S. — Yet
Andrew Yang, an entrepreneur and former presidential candidate, shares his ongoing quest to reshape politics with his Forward Party. He candidly discusses the emotional toll of losing elections and the need for a viable third party to prevent societal discord. Yang emphasizes a humane approach to economics over traditional metrics, advocating for Universal Basic Income as both relief and long-term solution. With a focus on youth engagement and a fresh political discourse, he inspires listeners to rethink democracy and political ambitions.

Nov 27, 2021 • 33min
53. The Simple Economics of Saving the Amazon Rainforest
Michael Greenstone, former Chief Economist for the Obama administration, and Gretchen Daly, a leading Professor at Stanford, discuss the intricate relationship between economics and the Amazon rainforest crisis. They argue that traditional moral pleas often miss the root causes of deforestation. The duo emphasizes innovative economic strategies for conservation, such as carbon pricing and the significance of natural capital. They draw on global examples, highlighting lessons from China and Brazil, to showcase how financial incentives can effectively combat environmental degradation.

Nov 20, 2021 • 30min
52. Max Tegmark on Why Superhuman Artificial Intelligence Won’t be Our Slave (Part 2)
Max Tegmark, an MIT cosmologist and co-founder of the Future of Life Institute, dives deep into the existential threats posed by artificial intelligence. He discusses how AI can either empower democracy or exacerbate polarization. Tegmark emphasizes the importance of critical thinking in news consumption, advocating for tools like improvethenews.org to combat media bias. He also explores ethical questions surrounding superhuman AI, urging a balance between technological advancements and human values while fostering a culture of optimism and ambition for the future.

Nov 13, 2021 • 46min
51. Max Tegmark on Why Treating Humanity Like a Child Will Save Us All
Max Tegmark, an MIT cosmologist and physicist, dives into profound discussions about humanity's future. He weighs the risks of nuclear war against pandemics and argues that we should cultivate optimism. Tegmark draws fascinating parallels between the realms of economics and cosmology, and he delves into the multiverse theory, emphasizing the importance of embracing unconventional ideas. He advocates for ethical technological advancements and proactive measures to tackle existential threats, all while maintaining a sense of joy in life's pursuits.

Nov 6, 2021 • 52min
50. Edward Miguel on Collecting Economic Data by Canoe and Correlating Conflict with Rainfall
Edward Miguel, a UC Berkeley professor renowned for his work on randomized controlled trials in economics, dives into an array of fascinating topics. He discusses the dramatic impacts of deworming on children's health and education in Kenya. Miguel also sheds light on the surprising link between climate change and conflict in Africa, illustrating how rainfall patterns can influence instability. Additionally, he shares insights from a unique study on parking violations by UN diplomats, revealing unexpected ties between corruption and diplomatic behaviors.

Oct 30, 2021 • 46min
49. Mathematician Sarah Hart on Why Numbers are Music to Our Ears
Sarah Hart, a professor at Birkbeck College and Gresham Professor of Geometry, shares her passion for the intersection of mathematics and music. She demonstrates how whole numbers resonate with pleasing sounds and reveals the fascinating imperfections of octaves. The conversation touches on the gender gap in mathematics and the importance of creative teaching in making math accessible. Hart also discusses overcoming creative slumps, emphasizing adaptability and inspiration as keys to success in both math and the arts.

Oct 23, 2021 • 47min
48. Marc Davis Can’t Stop Watching Basketball — But He Doesn’t Care Who Wins
Mark Davis, a seasoned NBA referee with over 20 years in the game, shares his journey from aspiring player to top official. He reveals how he meticulously reviews every call and navigates scrutiny from players and fans alike. Davis discusses the importance of fairness, the significant work behind officiating, and why conversations about race matter both on and off the court. With a deep passion for basketball, he emphasizes enjoying the game over who wins, reflecting on the thrill of the sport and its cultural impact.