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/adchoicesNPR Privacy Policy