Sarah Hart investigates the mathematical structures underlying musical compositions and literature. Using examples from Monteverdi to Lewis Carroll, Sarah explains to Steve how math affects how we hear music and understand stories.

• SOURCE:
  • Sarah Hart, professor emerita of mathematics at the University of London.

• RESOURCES:
  • Once Upon a Prime: The Wondrous Connections Between Mathematics and Literature, by Sarah Hart (2023).
  • "Ahab's Arithmetic: The Mathematics of Moby-Dick," by Sarah B. Hart (Journal of Humanistic Mathematics, 2021).
  • "Online Lecture: The Mathematics of Musical Composition," by Sarah Hart (Gresham College, 2020).
  • Black Mirror: Bandersnatch, film (2018).
  • The Luminaries: A Novel, by Eleanor Catton (2013).
  • Not Quite What I Was Planning: Six-Word Memoirs by Writers Famous and Obscure, edited by Rachel Fershleiser and Larry Smith (2008).
  • Les Revenentes, by Georges Perec (1972).
  • A Void, by Georges Perec (1969).
  • Cent Mille Milliards de Poèmes, by Raymond Queneau (1961).
  • Through the Looking-Glass, and What Alice Found There, by Lewis Carroll (1871).
  • Alice's Adventures in Wonderland, by Lewis Carroll (1865).
  • OuLiPo.

• EXTRAS:
  • "The Joy of Math With Sarah Hart," by People I (Mostly) Admire (2023).
  • "Mathematician Sarah Hart on Why Numbers are Music to Our Ears," by People I (Mostly) Admire (2021).

Sarah Stein Greenberg runs Stanford’s d.school, which teaches design as a mode of problem solving. She and Steve talk about what makes her field different from other academic disciplines, how to approach hard problems, and why brainstorms are so annoying.

• SOURCE:
  • Sarah Stein Greenberg, executive director of the Hasso Plattner Institute of Design at Stanford University.

• RESOURCES:
  • Creative Acts for Curious People: How to Think, Create, and Lead in Unconventional Ways, by Sarah Stein Greenberg (2021).
  • Noora Health.
  • Civilla.
  • Substantial.
  • Rare.
  • Sarah Stein Greenberg wildlife photography.

• EXTRAS:
  • "Feeling Sound and Hearing Color," by People I (Mostly) Admire (2024).
  • "Why Are Boys and Men in Trouble?" by People I (Mostly) Admire (2024).
  • "What’s Impacting American Workers?" by People I (Mostly) Admire (2024).
  • "Richard Dawkins on God, Genes, and Murderous Baby Cuckoos," by People I (Mostly) Admire (2024).
  • "The World’s Most Controversial Ornithologist," by People I (Mostly) Admire (2024).
  • "How PETA Made Radical Ideas Mainstream," by People I (Mostly) Admire (2024).
  • "Pay Attention! (Your Body Will Thank You)," by People I (Mostly) Admire (2024).
  • "How to Have Great Conversations," by People I (Mostly) Admire (2024).
  • "Suleika Jaouad’s Survival Mechanisms," by People I (Mostly) Admire (2024).
  • "Daron Acemoglu on Economics, Politics, and Power," by People I (Mostly) Admire (2024).
  • "Nobel Laureate Claudia Goldin on 'Greedy Work' and the Wage Gap," by People I (Mostly) Admire (2023).
  • "A Rockstar Chemist and Her Cancer-Attacking 'Lawn Mower,'" by People I (Mostly) Admire (2022).
  • "Daniel Kahneman on Why Our Judgment is Flawed — and What to Do About It," by People I (Mostly) Admire (2021).
  • "Why Is Richard Thaler Such a ****ing Optimist?" by People I (Mostly) Admire (2021).

In her book, Rumbles, medical historian Elsa Richardson explores the history of the human gut. She talks with Steve about dubious medical practices, gruesome tales of survival, and the things that medieval doctors may have gotten right.

• SOURCE:
  • Elsa Richardson, medical historian at the University of Strathclyde.

• RESOURCES:
  • Rumbles: A Curious History of the Gut: The Secret Story of the Body's Most Fascinating Organ, by Elsa Richardson (2024).
  • Michael Levitt retirement speech (2024).
  • "Was There Really a Hawthorne Effect at the Hawthorne Plant? An Analysis of the Original Illumination Experiments," by Steven D. Levitt and John A. List (NBER Working Paper, 2009).
  • "Floating Stools — Flatus versus Fat," by Michael D. Levitt and William C. Duane (The New England Journal of Medicine, 1972).
  • "Factors Influencing Pulmonary Methane Excretion in Man," by John H. Bond, Rolf R. Engel, and Michael D. Levitt (Journal of Experimental Medicine, 1971).
  • The Expression of the Emotions in Man and Animals, by Charles Darwin (1872).
  • The Levitt Lab Founding School Leader, job listing.
  • The Levitt Lab, information page.

• EXTRAS:
  • "An Update on the Khan World School," by People I (Mostly) Admire (2023).
  • “Is This the Future of High School?” by People I (Mostly) Admire (2022).
  • “Sal Khan: ‘If It Works for 15 Cousins, It Could Work for a Billion People,'” by People I (Mostly) Admire (2021).
  • "The Power of Poop," by Freakonomics Radio (2011).