Ranalda Tsosie grew up in the Navajo Nation, close to a number of abandoned uranium mines. The uranium from those mines leached into the groundwater, contaminating some of the unregulated wells that Ranalda and many others relied on for cooking, cleaning and drinking water. Today on the show, Ranalda talks to host Aaron Scott about her path to becoming an environmental chemist to study the extent of contamination in her home community using a blend of western and Diné science methods.

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