You're Wrong About
Sarah Marshall
Rainbows with Lulu Miller
In this episode of You're Wrong About, guest host Lulu Miller joins the program to explore the history, science, and cultural mythology of rainbows. Far from being merely frivolous or saccharine, rainbows are presented as misunderstood phenomena that have historically been viewed as powerful, sometimes ominous, bridges between the earthly and the divine. The discussion begins by unpacking the long-standing associations between rainbows, leprechauns, and luck, while also highlighting the ancient, often cautionary beliefs held by various cultures. Moving toward a more scientific lens, the hosts discuss historical attempts to define the rainbow, from Aristotle’s theory of "muddied" light to the contributions of medieval scholars like Nasir al-Din al-Tusi, whose work in trigonometry and astronomy reflects a deeper, expansive human drive to understand the universe. The conversation evolves into a meditation on infinity, the nature of human perception, and our place in the cosmos. Through a reading of Marie Howe’s poem "The Singularity," the hosts touch on the interconnectedness of all matter, concluding that while science has provided technical answers for the rainbow, it has yet to diminish the awe and mystery that these atmospheric bridges inspire in the human experience.
Updated Jun 10, 2026
About This Episode
Why are there so many songs about rainbows (and what’s on the other side)? A bridge between worlds, a map to a pot of gold, the centerpiece of a Lisa Frank trapper-keeper, and of course, an ever-changing symbol of the LGBTQ+ community, the rainbow has been a profound part of the human experience for thousands of years. For this early Pride Month episode, science correspondent and bisexual seagull Lulu Miller explains to Sarah the history of our understanding of rainbows: why they exist, what they are made out of, and what they have represented. Together they discuss the figures that have tried to pin down this natural wonder, the power of its spectrum of meaning, and the comfort and terror of the infinity it once represented. Digressions include the boring transcendence of 2001: A Space Odyssey, the secret joys of trigonometry, and the best gay Hannibal Lecter.
More Lulu Miller:
https://radiolab.org/team/lulu-miller
Lulu on Instagram
Lulu's book Why Fish Don't Exist
Original music in this episode brought to you by Magpie Cinema Club featuring Brendan Liu
Except for "Roy G Biv" from this episode of Lulu's WNYC show Terrestrials, which is written and performed by Alan Goffinski and included on The Bridge EP
And also Spanish Flea by Herb Alpert
Edited + Produced by Miranda Zickler:
http://linktr.ee/mirandatheswampmonster
The poem Lulu read was Singularity by Marie Howe
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