Part 1 of the TED Radio Hour episode The Story Behind The Numbers.
About Steven Pinker's TED Talk
It might seem like the world is getting worse and worse. But psychologist Steven Pinker says that across the board, data suggests we've made a lot of progress. The question is — will it continue?
About Steven Pinker
Steven Pinker is an experimental psychologist and the Johnstone Family Professor in the Harvard Department of Psychology. His research covers everything from visual cognition and psycholinguistics to social relations. He is the author of several books, including his most recent: Enlightenment Now: the Case for Reason, Science, Humanism, and Progress.