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.
Birute Galdikas talks about her almost other-worldly experience of living with orangutans in Borneo.
Anthony Zuiker, creator of "CSI", tells Steve Paulson that getting the science right in “CSI” is crucial; remembers how great it was when the Mob ran Las Vegas; and admits he’s the show’s gambling expert.
Historian Jill Lepore talks about her restless search for the long-lost manuscript, "The Oral History of Our Time." It ran some nine million words and was supposedly the work of a madman named Joe Gould, who believed he was the 20th century's most brilliant historian.
Daniel Levitin runs McGill University's Laboratory for Musical Perception, Cognition and Expertise.
Bruce Greyson is considered the father of research into the Near Death Experience.
Azar Nafisi tells Steve Paulson about her weekly secret meetings with students to read forbidden Western literature.
