The Evolution of Subway Maps

How can the state of Colorado have nearly 700 sides? Why is a country's coastline as long as you want it to be? And how is it that your UPS driver has more routes to choose from than there are stars in the universe? Listen as mathematician Paulina Rowinska talks with EconTalk's Russ Roberts about the mathematical tricks hiding in plain sight with every map we use. From the Mercator projection that warped how we see the world to the London Tube map that reinvented urban navigation, they discuss how distorting geography shapes our ability to navigate reality.