The Country of the Blind

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% Inv ... Show More

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 Simp ... Show More

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 ... Show More

When does vision loss become blindness? Writer, audio producer and editor Andrew Leland explains how his gradual loss of vision revealed a paradoxical truth about blindness — and shows why it might have implications for how all of us see the world.Learn more about our flagship co ... Show More

When does vision loss become blindness? Writer, audio producer and editor Andrew Leland explains how his gradual loss of vision revealed a paradoxical truth about blindness -- and shows why it might have implications for how all of us see the world.Learn more about our flagship c ... Show More

<p>And at last I see the light. In episode 64 of Overthink, Ellie and David discuss vision in the second installment of their ongoing series on the five senses. They discuss the prevalence of visual metaphors for knowledge, and why sight has historically been the most privileged ... Show More

If you had to name the innovations that have transformed human civilisation, you might suggest the printing press or the Internet, but the humble pair of spectacles has also revolutionised the way many of us experience the world. It's said that an astonishing three quarters of th ... Show More

Digital imagery is pervasive today. More than a billion images per day are produced and uploaded to social media sites, with many more embedded within websites, apps, digital documents, and eBooks. Engaging with digital imagery has become fundamental to participating in contempor ... Show More

How does reading work in the brain? It’s a question that has fascinated scientists for years. Could braille - the system of raised dots that blind and low vision people use to read - be the key to understanding how it works? We talk to writer Andrew Leland (“The Country of the Bl ... Show More

Geoff Lean was in a coma for a month, during this time he could hear and feel everything but it wasn't until he woke up from the coma that he realised he had also unconsciously absorbed visual information through his eyes. Aleks investigates Blindsight, one of the most curious ph ... Show More

<p>Fintan O’Toole was born in Dublin in 1958, the same year that T.K. Whitaker, a member of the Irish government, published an influential report suggesting that Ireland open its doors economically and culturally to the rest of the world. O’Toole’s new book, <a href="https://www. ... Show More

<p>While a steady stream of disturbing news continues to come from Ukraine, <a href="https://www.nytimes.com/2022/03/29/books/review/belorusets-kurkov-lucky-breaks-grey-bees.html">new works of fiction</a> highlight the ways in which lives there have been transformed by conflict. ... Show More