The Web and social media offer unprecedented connectivity but, without conscious effort, can insulate people from everyone but "friends" and from ideas that might challenge strongly-held beliefs.

In the 2016 Discovery Lecture, blogger and Pace University communications professor Andrew Revkin will describe extraordinary innovations showing how bottom-up and peer-to-peer communication can fill gaps as old information gatekeepers, from sage broadcasters to newspaper front pages (to university professors) lose influence. Co-sponsored by the Faculty of Science and School of Journalism.