Junot Diaz bookmarks "Dark Reflections" by Samuel R. Delany.
Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory. Dava Sobel tells his story.
Author of "Waiting for Snow in Havana" started to worry about death as a child, growing up in Cuba during an era of public executions ...
Pulitzer Prize winning journalist Anthony Shadid died on assignment in Syria on February 16. In this UNCUT 2010 interview Shadid told Steve Paulson about covering war and its aftermath.
Physicist Michio Kaku's Dangerous Idea? A virtual "library of souls."
Canadian philosopher Charles Taylor says we're now living in "a secular age," but we're still trying to figure out what a post-religious world looks like, and how we can find meaning in a culture without any over-arching purpose.
Ellen Handler-Spitz talks with Jim Fleming about the how imagination develops in childhood.