Yang, Judy, Joseph Sanfilippo, Niki Abbasi, Zemer Gitai, Bonnie Bassler, and Howard Stone. (2021) 2021. “Evidence for Biosurfactant-Induced Flow in Corners and Bacterial Spreading in Unsaturated Porous Media.”. Proceedings of the National Academy of Sciences of the United States of America 118 (38). doi:10.1073/pnas.2111060118.