Today's show explores one of our favorite senses: taste. First, revist the tongue map you may have studied as a kid. Next, learn how a natural sweetener might benefit waistlines—and even the world.

SHOW CLOCK

00:00 Opening Credits

00:32 Introduction

01:11 The Tongue Map Myth

05:02 Stevia: Sweeter than Sugar

12:17 Closing Credits

CREDITS

Special thanks to Audrey Quinn and Andrew Stelzer for researching this show. Additional credits available at chemheritage.org/distillations.