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Our Lips are Unsealed: Exploring the Science & Culture of Kissing

Charnel Hunter

Among the many “firsts” we experience in our lives, a first kiss is one of the most memorable.

In addition to being a novel experience, our brains receive pleasure and information from kissing. Our lips are the most exposed erogenous zones on our bodies, and a good, consensual kiss triggers hormones that give us a rush of desire and love.

Science communicator Sheril Kirshenbaum talks with host Anita Rao about these physical effects of a kiss and how they help us measure compatibility with a potential partner. She also describes the cultural history of kissing, including how locking lips has enforced power structures and how kissing is interpreted differently around the world, all topics discussed in her book “The Science of Kissing: What Our Lips Are Telling Us.”

Kadar Small, a photographer, director and filmmaker based in New York City, also joins the conversation to share the inspiration behind his photo series “PDA.” Kadar photographs moments of kissing and intimacy between Black and brown queer folks in public and at home, exploring what this kind of connection looks like through his work.

Anita also talks about the cultural milestone of a first kiss with a group of current and former WUNC youth reporters. High school students Parys Smith and Donna Diaz, along with college student Chris Williams, share the stories of their first kiss, how they think about boundaries and what constitutes a good kiss.

Thank you to Caroline, Jeanine, Caitlin, Kristin, Lawrence and Steven for sharing with us for this episode!

Remembering the First Kiss

How Old Were You?

Kaia Findlay

We gathered together stories of first kisses from our listeners, guests, and colleagues … and we had such a wide range of experiences!

What Was that First Kiss Like?

Kaia Findlay

Who’s surprised that the most common adjective is “awkward”?

What Can a First Kiss Teach Us? (from former/current WUNC youth reporters)

“My first kiss, there were no boundaries. And even though I was young, it made me very strong, in like, what I want and not letting people come into my space.”

-Parys Smith

“There doesn't need to be tongue all that, like, it can just be sweet for a couple seconds.”

-Chris Williams

“It has to be the right moment. Kissing in general, I think it should just be energy”

-Donna Diaz

Why Do We Remember Our First Kisses So Well?

“Novel experiences can spike all sorts of different neurotransmitters and hormones in our bodies … But we're using that kiss to tell us more about the situation, how we're feeling: Are we comfortable? Are we stressed? So that memory is powerful.”

-Sheril Kirshenbaum, author of “The Science of Kissing”

Copyright 2023 North Carolina Public Radio. To see more, visit North Carolina Public Radio.

Kaia Findlay is a producer for The State of Things, WUNC's daily, live talk show. Kaia grew up in Minneapolis, Minnesota, in a household filled with teachers and storytellers. In elementary school, she usually fell asleep listening to recordings of 1950s radio comedy programs. After a semester of writing for her high school newspaper, she decided she hated journalism. While pursuing her bachelor’s in environmental studies at UNC-Chapel Hill, she got talked back into it. Kaia received a master’s degree from the UNC Hussman School of Journalism, where she focused on reporting and science communication. She has published stories with Our State Magazine, Indy Week, and HuffPost. She most recently worked as the manager for a podcast on environmental sustainability and higher education. Her reporting passions include climate and the environment, health and science, food and women’s issues. When not working at WUNC, Kaia goes pebble-wrestling, takes long bike rides, and reads while hammocking.
Anita Rao is the host and creator of "Embodied," a live, weekly radio show and seasonal podcast about sex, relationships & health. She's also the managing editor of WUNC's on-demand content. She has traveled the country recording interviews for the Peabody Award-winning StoryCorps production department, founded and launched a podcast about millennial feminism in the South, and served as the managing editor and regular host of "The State of Things," North Carolina Public Radio's flagship daily, live talk show. Anita was born in a small coal-mining town in Northeast England but spent most of her life growing up in Iowa and has a fond affection for the Midwest.