This research investigated how the fungus that causes white-nose syndrome in bats can survive and grow in cave environments. The study found that the fungus is highly adaptable and can live on many different food sources found in caves, including dead insects, fish remains, and other organic materials. The fungus can also tolerate a wide range of environmental conditions, suggesting it will likely become a permanent cave resident. Impacts on everyday life: • Helps explain why bat populations continue to be threatened even after infected bats leave caves • Demonstrates why controlling this fungal disease in caves is extremely difficult • Suggests that cave conservation efforts need long-term strategies • Indicates potential impacts on cave ecosystems and associated tourism • Highlights the importance of decontamination procedures for cave visitors