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.
Brian Palmer has been a staff writer at Fortune magazine, Beijing bureau chief for US News and World Report and a correspondent for CNN. He tells Anne Strainchamps that none of that prepared him for Iraq where he was embedded with the First Battalion/Second Marines.
Ayaan Hirsi Ali may be the world’s most famous critic of Islam. Born a Muslim, Hirsi Ali fled to the Netherlands where she eventually became a member of Parliament...
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?
Storyteller Carolyn McVickar Edwards has a lovely little collection called "In the Light on the Moon."
Francine Segan, author of "The Philosopher's Kitchen", tells us of the importance of bread to the ancient Egyptians, Greeks, and Romans.
David Carradine kept a diary during the production which has just been published under the title “The Kill Bill Diary."
