… Frogs have endured four mass extinctions, evolving repeatedly to survive a changing planet. But now, facing a fast-moving fungal pandemic that has become the most devastating infectious disease in vertebrate history … [researchers] say they need our help. … In Northern California’s Cascade Mountains, froglets lie with their legs outstretched in shallow baths — a group of unlikely patients in a fight for survival. These are Cascades frogs. … In 2012, [Washington State Associate Professor Jonah] Piovia-Scott’s team tested baths with diluted itraconazole, a common antifungal agent, and found they reduced chytrid infections and improved survival in wild populations of metamorphosed tadpoles. … The long-term objective is to reach a point where frogs can survive on their own — without constant human intervention.