Periodic Talks

Why are coral reefs so mesmerizing? And what do they have to do with hyperbolic geometry? With delicate precision, science artist Margaret Wertheim helps crochet incredible reefs, explaining their connection to mathematics and conservation. Then later, we share a story about an early experiment to capture images of marine plants!

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Who gets to shape extended reality? We talk to Arwa Michelle Mboya, a young innovator from Kenya, about designing more inclusive virtual experiences and headsets. Plus, we share a story about the origins of computer science.

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We shape inventions, and our inventions shape us. Everyday items, like clocks and lightbulbs, fundamentally transformed how we live, according to Dr. Ainissa Ramirez. We talk to her about working in material science and her book “The Alchemy of Us.” Plus, special guest Lilan Bowden (Andi Mack, It’s Always Sunny in Philadelphia, Parks and Rec) helps share the story of a Mexican-American botanist who explored the Americas.

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We're making this show during the pandemic. It got us thinking: Who would choose to make infectious disease their life's work? And why? So, we called Dr. Céline Gounder who advised President Biden's transition team about COVID-19. Then later, we learn about a Black doctor who revolutionized how we use blood plasma today.

You can hear more from Dr. Gounder on her podcasts, EPIDEMIC and AMERICAN DIAGNOSIS.

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What if someone offered you a chance to go to outer space? When NASA called, Jessica Meir's response was "... really?" Gillian and Diona talk to her about her incredible adventures! From excursions in Antarctica, taking part in the first all woman space walk AND RETURNING TO EARTH DURING THE PANDEMIC. She's also training for another mission, and it might just make her the first woman to step foot on the moon. Then, special guest Keiko Agena (Prodigal Son, Gilmore Girls) reads the story of the first African American and Native American woman aviator, Bessie Coleman.

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How do you land a job at NASA? How can you learn from failure? How do you pronounce Louisville? These are some of the questions we asked NASA engineer Tracy Drain. And later, we get into a story about a group of women who helped map the universe.

Update: Since this interview was recorded, Tracy has been promoted to Lead Flight Systems Engineer for the Europa Clipper mission!

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