Join us for a virtual talk as we explore the past, present, and future of indigo dye.

Indigo is one of the most widespread and beloved dyes in history, from the oldest Mesopotamian dye records to modern blue jeans. Due to its unique chemical properties, the hunt for a synthetic indigo spurred intense competition in the late 1800s, the environmental consequences of which continue to confront indigo-dyeing regions today.


This online event is free and no reservations are necessary.

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October 22, 2025
Free

Othmer Library Tour

Curious about the other half of the Science History Institute? Step into the Othmer Library of Chemical History!

Blue and green cover of book, "The Elements of Marie Curie"
October 22, 2025
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The Elements of Marie Curie

Join author Dava Sobel for an exciting evening exploring how the glow of radium lit a path for women in science.

ACS The Hidden Life of Spices artwork
October 25, 2025
For Families

National Chemistry Week: The Hidden Life of Spices

Discover how spices get their flavors from their chemical makeup at the American Chemical Society’s family-friendly festival.

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