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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book opened to annotated skeleton illustration
October 11, 2025
For Families

Stories of Science: Spooky Science

Join us in our museum EVERY SATURDAY for a family-friendly program that highlights strange and surprising stories from the history of science!

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October 12, 2025
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Board Games at the Rail Park

Spend your Sunday outdoors with Institute staff! Get an overview of the history of U.S. environmental policy and major environmental events through an amusing assortment of environmental board games.

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October 16, 2025
Conferences & Symposia

Fall 2025 Meeting of the Society for the History of Alchemy and Chemistry

Invited speakers will present on topics ranging from medieval medicine to modern climate science.

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