What makes an explanation feel satisfying, and does that feeling have anything to do with whether it's actually true?

Cognitive scientist Tania Lombrozo, author of Why We Ask Why: The Science of Explanation and the Human Drive to Understand, joins Michael to talk about the human drive to explain: where it comes from and what it buys us. She also makes the case that explanations aren't objects sitting out in the world waiting to be found, but mental acts we construct.

Tania walks through why philosophers and psychologists have circled the same phenomenon from different angles, and why a strong drive to explain isn't an obvious thing to build into an intelligent system in the first place. Curiosity, she explains, works as a filter on the endless supply of questions we could be asking. She also shares what her own lab has found about what actually predicts it, and why a satisfying explanation tends to open up more questions rather than shut inquiry down.

Along the way: Alison Gopnik's provocatively titled paper on the aha moment, and the explore/exploit trade-off behind the randomized summer reading program Tania uses to keep herself exploring. They also get into the self-explanation effect, and why explaining to another person usually beats explaining to yourself. The conversation closes on what to do when a three-year-old asks why, including how to bring a chatbot into that moment without skipping the part where good inquiry gets modeled.


Listen and Learn:

  • Why a strong drive to explain isn't an obvious thing to build into an intelligent system, and what seeking explanations actually does for creatures like us
  • Why explanations are mental acts rather than facts sitting out in the world, and how a punchline makes that idea concrete
  • How curiosity filters the endless supply of questions we could ask, and why we gravitate toward things just one step beyond what we already understand
  • What happens to your curiosity right after a satisfying explanation, and why good answers tend to open up more questions instead of closing them off
  • The explore/exploit trade-off, and practical ways to build a little more randomness into what you read and what you try
  • Why explaining something to another person usually beats explaining it to yourself, and the three things that make the difference
  • How to respond when a child asks why, and how to use AI tools with kids without cutting out the modeling of good inquiry


Resources:


About Tania Lombrozo

Tania Lombrozo is Arthur W. Marks '19 Professor of Psychology at Princeton University. She holds degrees in cognitive science and philosophy from Stanford University and in psychology from Harvard University. Her award-winning research has explored the human drive for explanation in both children and adults. She lives in Princeton, New Jersey, with her husband and two daughters. Her book, Why We Ask Why: The Science of Explanation and the Human Drive to Understand, will be released in October 2026.


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