A brief clip of of archival audio (1946) about Sitting Bull's signature that we found while doing research for this show.
A marked-up page from the script gives a glimpse into researching this program.
Need a basic primer on the history of climate change and 350ppm? Listen to Bill McKibben's explanation.
A Yale study identified "six Americas" when it comes to climate change. Where are you on the spectrum?
Fact-checking for this program leads down a puzzling path searching for a famous quote.
Setting the tone for an interview with Sitting Bull's grandson — with respect, grace, and humility.
There are books that become so important to us they become like old friends. Or, books that we find so transformative our lives are never the same. What are the books that have changed your life? What are the books that became your best friend?
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.