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Two professors prove that you don't know how a toilet works

Flickr Photo/dirtyboxface (CC BY SA 2.0)/
Admit it, you have no idea how it actually works.

Bill Radke talks with professor Philip Fernbach, co-author of the new book "The Knowledge Illusion," about how people don't know nearly as much as they claim, whether it's about politics, science or even how a toilet works. Fernbach has found that we as a species share knowledge, which both helps society as well as gives us a self-inflated sense of how much we actually know. This is one reason, he says, that we may want to be a little more humble next time we think about starting an argument

Year started with KUOW: 1985 – 1986, 1991 – 2004, 2012