The end of money. Really? Are we really on the verge of a coming cashless society?
Intelligent. Optimistic. Curious.
Audio
Carl Honore speaks about the cultural revolution that is the "philosophy of slow."
For decades, urbanists have been thinking about cities as organisms. They take in resources, eject waste, spread and grow. Theoretical physicist Geoffrey West decided to put the idea through the mathematical ringer. So, are cities like organisms? Yes. And no.
You can also hear the uncut interview with West.
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.
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.
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?
Charles Monroe-Kane reports on Brian Dunn, who “finds” other people’s photographs and then keeps them. Some of the found photos are on our Web site.
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