Emily Anthes is the author of The Great Indoors: The Surprising Science of How Buildings Shape Our Behaviour, Health and Happiness, and she notes that even before the pandemic hit, we humans spent about 90 percent of our time indoors on average -- however we think of ourselves, people are in fact largely an indoor species. Anthes looks at all of the ways our indoor spaces impact our health, and observes that there is so much we don't really know about the places we spend a majority of our lives. The Great Indoors Shop the 99% Invisible Store Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

As you might know, we have our own composer here at 99pi named Sean Real who works with the producers to score our episodes with original music that she writes and records right here in Oakland. She has created over 300 amazing original songs for 99pi to date! So this week, we are bringing you a tribute to one of our favorite shows Song Exploder, and to our favorite composer, Sean Real. Sean Exploder Plus a preview of Katie Mingle’s new 99pi spin off According to Need (Out December 1). Buy Sean’s first record of 99pi music in the 99% Invisible Store Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

If you’ve ever flown on a plane, you’ve been directed to study the safety briefing card in your seatback pocket. Every passenger plane, commercial or private, has to have safety cards on board. Mo Laborde is a reporter who has been collecting safety cards for almost ten years, and one day she started wondering how the modern safety card came about. In The Unlikely Event Buy The 99% Invisible City Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

Enron collapsed nearly 20 years ago, but chances are something you use today was affected by emails sent by 150 of the company's top employees. These emails — about meetings and energy markets but also affairs, divorces, and fraud — have helped create new technologies, fight terrorism, and added to our understanding of how we communicate. You’ve Got Enron Mail! Learn more and subscribe to Brought To You By… Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

Geocities was an online collection of metropolises, each with their own neighborhoods built around shared interests. The city metaphor helped make a whole new group of users understand the world wide web for the first time. At its peak, it was the third most popular destination on the internet, but it quickly fell out of fashion as the web became more commodified and professional. Before it shuttered, a few digital archivists scooped up as much data as possible before all that early internet experimentation could be deleted. The Lost Cities of Geo Buy a signed copy of The 99% Invisible City today Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

During publicity interviews for The 99% Invisible City someone asked us, “What is your favorite way to experience the city?” The answer is walking. If you have nothing to do, take a walk. If you are overwhelmed with things to do, take a walk. We’ve been working so hard on the book release and new miniseries we’re launching in December that we’re going to take a walk with our friends at Pop Up Magazine. Pop Up Magazine's team spent weeks interviewing dozens of people about walking, including Jenny Slate, Anna Sale (Death, Sex & Money), Antwan Williams (Ear Hustle), author and radio host Lulu Miller, writer Sam Jay (Saturday Night Live), NASA Astronaut Drew Feustel, Sergeant Julian Torres, and many others. Take a Walk Buy The 99% Invisible City now! Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

This bonus episode is sponsored by Google’s Next Billion User Initiative. Every week millions of people come online for the very first time. And everyone – no matter where they live, what language they speak or their level of digital literacy – deserves an internet that was made for them. Google's Next Billion Users initiative conducts research and builds products for everyone, everywhere. Find out more at NextBillionUsers.google Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

In the early days of baseball, sign-stealing was almost like a game within the game. Teams and players would try all kinds of tricks to get a glimpse of what the catcher was signaling to the pitcher. Even with this long history, when the Houston Astros were recently caught stealing signs during their championship season it became a huge scandal. Sign Stealing The New York Times Bestseller The 99% Invisible City is on sale now! This episode is adapted from The Edge, a six-part series hosted by Ben Reiter. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

When we think about carbon storage, we tend to think about forests, but peatlands are also incredible carbon sinks. In Europe, peatlands contain five times more carbon than forests. But back in the 80s, most people didn't know this remarkable fact about peat. If anything, bogs were seen as scary places to be avoided and thus we tended to not take care of them. But that’s changing. For the Love of Peat Buy The 99% Invisible City! Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.

We're excited to celebrate the release of The 99% Invisible City book by host Roman Mars and producer Kurt Kohlstedt with a guided audio tour of beautiful downtown Oakland, California. In this episode, we explain how anchor plates help hold up brick walls; why metal fire escapes are mostly found on older buildings; what impact camouflaging defensive designs has on public spaces; who benefits from those spray-painted markings on city streets, and much more. Plus, At the end of the tour, stick around for a behind the scenes look at the book as we answer a series of fan-submitted questions about how it was created, offering a window into the writing, illustration and design processes. Exploring The 99% Invisible City Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.