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The Show for July 22, 2025: Hidden fungi could be the key to help protect saguaro cactuses in a warmer future

A saguaro cactus
Mariana Dale/KJZZ
A saguaro cactus near the Superstition Mountains.

Thousands of Arizonans are diagnosed with Valley fever every year. Scientists are working on a new, faster way to make that diagnosis. And, using public art to throw shade — and protect hot cities from extreme heat. That and more on The Show.