What if we told you that the key to time travel has been right in front of our eyes this whole time? Well, it has: it's in our noses. Today on the show, the science — and politics — of smell, and how it links our past and our present.

For sponsor-free episodes of Throughline, subscribe to Throughline+ via Apple Podcasts or at plus.npr.org/throughline

Learn more about sponsor message choices: podcastchoices.com/adchoices

NPR Privacy Policy