Writer Benjamin Kunkel bookmarks Herman Daly's "Steady-State Economics."
Daniel Dennett is one of the leading advocates of evolutionary theory and a fierce critic of creationism.
If human beings are part neanderthal, Brian Fagan tells Jim Fleming the rest of us is something else - Cro-Magnon.
Journalist David Swanson was embedded in ar-Ramadi with Ryan Jerabek's unit the day Ryan Jerabek died...
Chris Moulin is a cognitive neuro-psychologist at Leeds University.
Diane Ravitch was a strong proponent of charter schools and the No Child Left Behind program. She now recognizes the political agenda behind all the recent school cuts and has changed her mind.
Aubrey Ralph explains his enthusiasm for the Society for Creative Anachronism, or SCA.
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.