Need a basic primer on the history of climate change and 350ppm? Listen to Bill McKibben's explanation.
A New York Times article features Adele Diamond's work the weekend before our interview.
Three scientists were awarded the 2009 Nobel Prize in Medicine for their work on telomeres — a term that came up in our interview with Doris Taylor. She explains that just as stress can shorten telomeres, they have the potential to be lengthened and extend life.
A follow-up question about altruism studies results in encore answer.
An illustration of Xavier Le Pichon’s analogies between the “rigidity” and what he calls “ductility” of the earth, and human communities he's witnessed from India to France.