Chris Ware is one of the young stars of the comics world.
Eric Lichtblau is one of the New York Times journalists who won a Pulitzer Prize for the story about the NSA's warrantless wire-tapping program.
Clark Taylor is the author of a children’s book called “The House That Crack Built.” He tells Steve Paulson that kids know all about drugs and can handle the truth.
David John is a chess Life Master. He went to college on a chess scholarship, but now makes his living as a professional poker player in Las Vegas.
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 ...
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.
The future of farming may be up in the air -- literally. Microbiologist Dickson Despommier's concept of skyscraper farming has excited scientists, architects and politicians. Could multi-story farms solve the global hunger problem?
Daniel Levitin is a neuroscientist with a twist; he's also a musician and record producer. He says brain imaging is showing how our brains listen to and make music.