99% Invisible

One study from 2018 found that Major League Baseball umpires blow about 14 calls every game. That’s 34,000 bad calls every year. And it makes a difference. A blown strike call can decide a win or a loss, a championship or six months at home, wondering what could have been.

A missing car reveals the confusing rules, murky fees, and private actors behind modern towing. 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.

In a place where losing power can turn deadly, keeping the lights on is a high-stakes balancing act. 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.

Why did it take nearly a decade to redesign a city trash can, and why haven't more bins made the streets cleaner? 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.

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.

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.

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.

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.

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.

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.

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.

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.

Idaho was the first state to slap a slogan on a license plate, “Idaho Potatoes,” which may not seem like a big deal, but it turns out this idea would end up having outsized consequences, and not just for Idaho. Because what started in one state would soon spread.

The strange history of a punctuation mark that makes writing feel human, and why people now think it proves the opposite. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

This is the sixth episode of our ongoing series breaking down the U.S. Constitution. This month, Roman and Elizabeth discuss Article III, which establishes the judicial branch, alongside New York Times chief legal affairs correspondent, Adam Liptak.

Throughout Africa and beyond, Zimbabweans are known for choosing some of the most bold, head-turning English-language names. Zimbabwean producer Kim Chakanetsa tells the story of how her country's journey from colonial rule to independence shaped the nation's unique naming traditions.

This week we're featuring Audio Flux, a short-form audio challenge where artists squeeze surprising stories into three minutes.

A young designer faces an impossible brief and discovers the spark that will define his legendary career. 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.

Performance changing gear, a Titanic era nurse with unbelievable resilience, and an ingenious art vending project reveal how innovation and endurance shape unexpected worlds. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

From rogue stop signs to rooftop mini golf, discover how chaos and creativity quietly shape the urban world. 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.

This is the fifth episode of our ongoing series breaking down the U.S. Constitution. This month, Roman and Elizabeth turn to the rest of Article Two with former CDC director Dr.

A glowing Vegas pyramid, a famously mistyped domain, and a long-delayed miracle investigation unfold in three unexpected tales. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

From military parades to smoky clubs, one invention’s wild journey reveals how an instrument can become a symbol of rebellion and reinvention. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

A single diagonal step on a map sparks a legal war with huge consequences. 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.

How Jane Jacob's urbanism dreams came to life on the most beloved kids' TV block. 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.