Michael Greenstone knows it’s corny, but he wants to make the world a better place — by tracking the impact of air quality, developing pollution markets in India, and … starting a podcast, which Steve says proves he’s over the hill.

• SOURCES:
  • Michael Greenstone, professor of economics at the University of Chicago.

• RESOURCES:
  • "New evidence on the impact of sustained exposure to air pollution on life expectancy from China's Huai River Policy," by Avraham Ebenstein, Maoyong Fan, Michael Greenstone, Guojun He, and Maigeng Zhou (Proceedings of the National Academy of Sciences, 2017).
  • "Evidence on the impact of sustained exposure to air pollution on life expectancy from China's Huai River policy," by Yuyu Chen, Avraham Ebenstein, Michael Greenstone, and Hongbin Li (Proceedings of the National Academy of Sciences, 2013).
  • Shocked, podcast.
  • Air Quality Life Index (AQLI).
  • Emissions Market Accelerator.
  • Tropical Forest Forever Facility (TFFF).

• EXTRAS:
  • "This Is Your Brain on Pollution," by Freakonomics Radio (2021).
  • "The Simple Economics of Saving the Amazon Rainforest", by People I (Mostly) Admire (2020).

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Suleika Jaouad was diagnosed with cancer at 22. She made her illness the subject of a New York Times column and a memoir, Between Two Kingdoms. She and Steve talk about what it means to live with a potentially fatal illness, how to talk to people who've gone through a tragedy, and ways to encourage medical donations.

• SOURCES:
  • Suleika Jaouad, author.

• RESOURCES:
  • The Book of Alchemy: A Creative Practice for an Inspired Life, by Suleika Jaouad (2025).
  • The Alchemy Journal, by Suleika Jaouad (2025).
  • “The Art of Survival,” by Jennifer Senior (The Atlantic, 2024).
  • American Symphony, film by Matthew Heineman (2023).
  • Between Two Kingdoms: A Memoir of a Life Interrupted, by Suleika Jaouad (2021).
  • “Max Ritvo, Poet Who Chronicled His Cancer Fight, Dies at 25,” by John Schwartz (The New York Times, 2016).
  • “Life, Interrupted,” column by Suleika Jaouad (The New York Times, 2012-2015).
  • The Fault in Our Stars, by John Green (2012).
  • Bright-sided: How Positive Thinking Is Undermining America, by Barbara Ehrenreich (2009).
  • The Isolation Journals, newsletter by Suleika Jaouad.

• EXTRAS:
  • “John Green’s Reluctant Rocket Ship Ride,” by People I (Mostly) Admire (2022).
  • “Does Death Have to Be a Death Sentence?” by People I (Mostly) Admire (2022).

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Physicist and former pop star Brian Cox tells Steve about discovering the Higgs boson, having a number-one hit, and why particle physics research will almost certainly not create a black hole that destroys all life on earth.

• SOURCES:
  • Brian Cox, physicist at the University of Manchester.

• RESOURCES:
  • Black Holes: The Key to Understanding the Universe, by Brian Cox and Jeff Forshaw (2023).
  • "Higgs10: The Higgs boson and the rise of the Standard Model of Particle Physics in the 1970s," by John Ellis (CERN, 2022).
  • Out of Silence, by Dare (2004).
  • "WW scattering at the LHC," by J. M. Butterworth, Brian Cox, and J. R. Forshaw (CERN, 2002).
  • A Brief History of Time, by Stephen Hawking (1998).
  • "Gravitational Collapse and Space-Time Singularities," by Roger Penrose (Physical Review Letters, 1965).
  • "The Value of Science," by Richard P. Feynman (Internet Archive, 1955).
  • "Brian Cox Live."

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