On the April 17, 2015 edition of 99% Invisible:

Cities are great. They have movement, activity and diversity. But go to any city and it’s pretty clear, a place can be diverse without really being integrated. This segregation isn’t accidental.

On this week's episode of 99% Invisible:

Vexillologists—those who study flags—tend to fall into one of two schools of thought. The first is one that focuses on history, category, and usage, and maintains that vexillologists should be scholars and historians of all flags, regardless of their designs.

The other school of vexillology, however, maintains that not all flags are created equal, and that flags can and should be redesigned, and improved.

99% Invisible: Unbuilt

Dec 12, 2014

On this week's episode of 99% Invisible:

There is an allure to unbuilt structures: the utopian, futuristic transports; the impossibly tall skyscrapers; even the horrible highways. They all capture our imagination with what could have been.  Producer Sam Greenspan spoke with Andrew Lynch (aka Vanshnookenraggen), creator of Hyperreal Cartography, a Tumblr of unbuilt cities across the globe.