blog posts A World in a Grain of Sand: New Discoveries in Kidney Stones Nov 30, 2020 10:45 am by Colette GallagherResearch Share on Facebook Tweet Email Images Travertine stone used extensively in Mayo Clinic buildings has provided a research team from Mayo Clinic and geologist Bruce Fouke's team at the University of Illinois with an unexpected – and beautiful - clue about kidney stones. Share on Facebook Tweet Email