58:03
Exploring the cosmos
This program features Freeman Dyson, an elder statesman of the scientific community whose ideas are so original in scope that his colleagues coined the term "Dysonian" to describe any highly imaginative idea. Joining him are astrophysicist Sara Seag...
01:02:03
A new history of the world
Is there such a thing as a just war? Is terrorism ever morally acceptable? And can ancient art change the current view of history? This program investigates these and other questions with political philosopher Michael Walzer, who examines the origin...