Episodes

  • Constitution Breakdown #8: Jill Lepore
    Mar 27 2026

    This is the eighth episode of our ongoing series breaking down the U.S. Constitution.

    This month, Roman and Elizabeth discuss Article V, which lays out the process to amend the Constitution.

    Then, Jill Lepore lays out her thesis that the Constitution is truly meant to be amended, explains why Article V amendments have become functionally impossible, and tells some fascinating stories about the people who have championed amendments.

    The 99% Invisible Breakdown of the Constitution

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    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    1 hr and 6 mins
  • Service Request #2: Why Is This Red Light So Damn Long?
    Mar 24 2026

    What the world's most advanced traffic system can—and can't—do for the city that invented gridlock.

    What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org.

    Service Request is a production of 99% Invisible and Campside Media.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    28 mins
  • Service Request #1: What Happens When I Call 311?
    Mar 17 2026

    The surprising power of a simple phone number to connect a community.

    What infrastructure mystery keeps you up at night? Submit your Service Request by recording a voice memo with your question and emailing it to servicerequest@99pi.org.

    Service Request is a production of 99% Invisible and Campside Media.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    35 mins
  • A Man, a Plan, a Canal—Mars!
    Mar 10 2026

    How one wealthy, amateur astronomer convinced the world Martians were real.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    33 mins
  • Where the F*** Are We?
    Mar 3 2026

    For centuries, the world's greatest minds were stumped by the deadly mystery of longitude, until an obsessive underdog entered the fray and changed navigation forever.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    47 mins
  • Constitution Breakdown #7: California AG Rob Bonta
    Feb 27 2026

    This is the seventh episode of our ongoing series breaking down the U.S. Constitution.

    This month, Roman and Elizabeth discuss Article IV, which outlines the relationship between states and between states and the federal government. They add the 10th Amendment to the conversation, because that also talks about the states.

    Then, California Attorney General Rob Bonta joins to talk about how his office is using Article IV and the 10th Amendment to protect the state from federal overreach.

    The 99% Invisible Breakdown of the Constitution

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    1 hr and 18 mins
  • The Longest Fence in the World
    Feb 24 2026

    How a fence meant to protect sheep transformed the entire Australian landscape.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    32 mins
  • Molar City
    Feb 17 2026

    How a small Mexican border town transformed itself into the dental tourism capital of the world, where dental care costs up to 80% less than what it might cost in the United States.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

    Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    42 mins