About this episode
Rund Abdelfatah and Cristina Kim try to unravel the mystery of a Soviet scientist who was helping to spread the word about nuclear winter theory—until he disappeared. This is a peek at the kind of exclusive bonus content Throughline+ supporters get every month. Want more like this? Sign up via Apple Podcasts or at plus.npr.org/throughline . And thank you! Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy