Arizona PBS Previews

Nova 4622

Preview | 30s

"The Violence Paradox" - Despite the constant news of violence, Steven Pinker believes we're living in the most peaceful period in human history. Journey through history and the human mind to explore why violence has diminished - and how we might create a more peaceful world.

Aired: 11/20/19

Rating: NR

Problems Playing Video? | Closed Captioning