Pucker up! On today's episode we investigate the kiss. First, what's in the saliva we share with each other? Then we interview Sheril Kirshenbaum, author of The Science of Kissing, to find out why our ancestors starting locking lips in the first place.
00:00 Opening Credits
04:33 Interview with Sheril Kirschenbaum
12:03 Closing Credits
Special thanks to Jennifer Dionisio for researching this show. Additional credits available at chemheritage.org/distillations.
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