99% Invisible

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99% Invisible artwork
Arts

by Roman Mars

Design is everywhere in our lives, perhaps most importantly in the places where we've just stopped noticing. 99% Invisible is a weekly exploration of the process and power of design and architecture. From award winning producer Roman Mars. Learn more at 99percentinvisible.org.

20 episodes summarized

Episodes

100 Objects #3: The Pension Files

100 Objects #3: The Pension Files

BONUS

Unearthing a remarkable slave rebellion through dusty Civil War paperwork.

June 5, 202643:24
The MAPL Test

The MAPL Test

FULL

Canada reshaped its music industry with a quirky radio rule that changed who got heard.

June 2, 202640:27
100 Objects #2: 60-Degree Screw

100 Objects #2: 60-Degree Screw

BONUS

A tiny screw. A precise angle. How America built a hidden empire, one standard at a time.

May 29, 202635:36
Drug Story: Ivermectin

Drug Story: Ivermectin

FULL

What started as a revolutionary treatment for river blindness became something far messier.

May 26, 202648:26
100 Objects #1: The Century Safe

100 Objects #1: The Century Safe

BONUS

A locked iron safe, sealed for 100 years. What objects did Americans choose to remember?

May 19, 202630:05
Ask Your Doctor About

Ask Your Doctor About

FULL

As wild and random as they might seem, a lot of work—and even poetry—goes into coming up with today's catchiest, most unforgettable drug names.

May 12, 202632:15
A History of the United States in 100 Objects

A History of the United States in 100 Objects

BONUS

100 objects. 100 stories. A new history of the US hiding in plain sight.

May 8, 20263:30
Enshittification

Enshittification

FULL

Why is it suddenly so hard to fix the stuff we depend on most?

May 5, 202635:04
Citizen of the World

Citizen of the World

FULL

One man rejected nationality and dared the world to recognize him anyway.

April 28, 202640:31
Constitution Breakdown #9: Alondra Nelson

Constitution Breakdown #9: Alondra Nelson

BONUS

Roman and Elizabeth discuss Article VI and VII, which includes the all-important Supremacy Clause. Alondra Nelson, a leading expert on AI, is our guest.

April 24, 20261:05:44
Co-op City

Co-op City

FULL

The world’s largest housing co-op—built to save New York City’s middle class—became the unlikely site of a resident revolt

April 21, 202637:31
RoboUmp Hits the Big Leagues

RoboUmp Hits the Big Leagues

FULL

The surprisingly long history of trying to use robots to call balls and strikes in baseball. With an update!

April 14, 202631:39
Service Request #5: Dude, Where's My Car?

Service Request #5: Dude, Where's My Car?

BONUS

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

April 7, 202632:59
Service Request #4: How Does the Grid in Phoenix Work?

Service Request #4: How Does the Grid in Phoenix Work?

BONUS

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

April 3, 202633:13
Service Request #3: Why Is There So Much Litter in San Francisco?

Service Request #3: Why Is There So Much Litter in San Francisco?

BONUS

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

March 31, 202628:16
Constitution Breakdown #8: Jill Lepore

Constitution Breakdown #8: Jill Lepore

BONUS

Roman and Elizabeth discuss Article V, which lays out the process to amend the Constitution. Jill Lepore is our guest.

March 27, 20261:06:17
Service Request #2: Why Is This Red Light So Damn Long?

Service Request #2: Why Is This Red Light So Damn Long?

BONUS

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

March 24, 202628:01
Service Request #1: What Happens When I Call 311?

Service Request #1: What Happens When I Call 311?

BONUS

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

March 17, 202634:57
A Man, a Plan, a Canal—Mars!

A Man, a Plan, a Canal—Mars!

FULL

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

March 10, 202632:40
Where the F*** Are We?

Where the F*** Are We?

FULL

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.

March 3, 202647:12