If there is an evolutionary imperative for running, maybe runner's high holds a clue. Dave Raichlen conducted a study about runner's high using humans, dogs and ferrets.
Intelligent. Optimistic. Curious.
Audio
Daniel Dennett is one of the leading advocates of evolutionary theory and a fierce critic of creationism.
Chris Moulin is a cognitive neuro-psychologist at Leeds University.
Get a local sampler of Ithaca cuisine with David Hirsch of the popular and influential Moosewood Restaurant.
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.
Nick Lowe has been making music for 40 years, as a solo artist and with such bands as Rockpile and Little Village. Many critics say he's doing his best work now, at the age of 58.
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.
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