99% Invisible

I want you to conjure an image in your mind of the white stripes that divide the lanes of traffic going the same direction on a major highway. How long are the stripes and the spaces between them? You...

12 Des 201210min

When Melissa Lee was growing up in Hastings-on-Hudson, a small town in upstate New York, there were only so many fun things to do. One was buying geodes and smashing them apart with a hammer. (You kno...

29 Nov 201210min

Kowloon Walled City was the densest place in the world, ever. By its peak in the 1990s, the 6.5 acre Kowloon Walled City was home to at least 33,000 people (with estimates of up to 50,000). That’s a p...

19 Nov 201214min

When most people think of camouflage they think of blending in with the environment, but camouflage can also take the opposite approach. It has long been hypothesized that stripes on zebras make it di...

5 Nov 20129min

In the Cape Cod town of Woods Hole, buildings are not usually dome-shaped. Producer Katie Klocksin was pretty surprised when she came across one. Katie started asking around about the dome.  She found...

25 Okt 201213min

On this special edition of 99% Invisible, we joined forces with Andrea Seabrook of DecodeDC to investigate all the thought that goes into the most miniscule details of a political campaign. Andrea was...

12 Okt 201212min

Benjamen Walker had a theory that priority queues are changing the American experience of waiting in line. So he visited amusement parks, highways, and community colleges to find out how these priorit...

2 Okt 201213min

Pneumatic (adj.):  of, or pertaining to, air, gases, or wind. In the world before telephone, radio, and email, the tasks of transmitting information and moving material objects were essentially the sa...

20 Sep 201215min