How do we really come to understand what it is we put in our bodies? Things like nutrition, expiration, and innovation? How long do leftovers really last? Why do certain food combinations work so well? How do companies like Lays and Taco Bell come up with new food flavors? In this edition of Sound Bites, we break down the science of food and the process of food innovation. Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Connect with us. Listen to 1A sponsor-free by signing up for 1A+ at plus.npr.org/the1a. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy