How not to be ignorant about the world

In this TED Talk Hans Rosling presents the results of our public surveys that shows that people don’t know key aspects of global development. And Ola Rosling shows that this has nothing to do with intelligence. It’s a problem of factual knowledge. Facts don’t come naturally. Drama and opinions do. Factual knowledge has to be learned. So Ola teachers 4 rules of thumb for not being ignorant about the world.