30,000 leagues by The Policy Lab

Last Updated: March 30, 2026
30,000 Leagues explores the depths of some of the most vexing policy questions of our time. Hosted by David Yokum, cognitive neuroscientist and Director of The Policy Lab at Brown University, 30,000 Leagues features researchers and policymakers who use rigorous scientific methods in pursuit of a better understanding of what actually works in the world, leading to more effective policies and the future of evidence-based government.

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How should Rhode Island spend $1.1 billion?
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How would you spend $1.1 billion? The question sounds like something that most of us only dream about, but it’s a very real question with real implications that Rhode Island faces as leaders decide how to spend the $1.1 billion in American Rescue Plan Act (ARPA) funding.

How can data shape your approach to parenting?
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What's the right kind of school and at what age should a particular kid start? How can you best manage TV and social media time?

How effective is the Year Up workforce development program? (with David Fein)
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Year Up is a workforce development program that aims to bridge the opportunity divide and help young low-income adults who don't have a college degree find meaningful work. But how effective is it?

Special Edition: A Deep Dive with Governor Dan McKee
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Governor Dan McKee became the 76th Governor of Rhode Island in unique circumstances, but he is no stranger to governing.

Why Are We Bored? (with John Eastwood)
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You're mindlessly scrolling through your phone, holding the entirety of the internet in your hand, but you're still bored out of your gourd. Why? And what can you do about it?

Rhode Island’s plan for re-opening our communities (with Dr. James McDonald, RI Dept of Health)
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It’s April 28th, 2020, and we’re a few months into the Covid-19 pandemic. Here in Rhode Island we’ve been under a stringent, stay-and-home order for the past 30 days. 

Does cash bail increase mass incarceration? (with Robin Steinberg)
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On any given day, about half a million people are locked in jail, but not yet convicted of any crime. The most common reason by far is an inability to pay cash bail. Bail is the main driver of mass incarceration, but what is cash bail? How should it work in theory? And how does it work in practice? Are reforms needed? And if so, in what ways?

Special Edition: What we know about coronavirus (with Dr. Philip Chan)
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What is the knowledge illusion? (with Steve Sloman)
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When does advertising become manipulation? (with Mark Bartholomew)
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Can money buy you happiness? (with Mike Norton)
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What is the future of the energy grid? (with Macky McCleary)
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How do you raise a three-year old? (with Emily Oster)
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How can government data be leveraged for public good? (with Amy O'Hara)
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