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.
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.