https://www.psu.edu/news/research/story/snottites-other-biofilms-hasten-cave-formation
Snottites, other biofilms hasten cave formation | Penn State University
Biofilms, which are complex layered communities of sulfur-consuming microbes, increase the rate of cave formation, but may also shed light on other biofilms,...
penn statebiofilmshastencaveformation