Registration for the 7th International Symposium on Chemosynthesis-Based Ecosystems (CBE7) is now open. CBE is the premier meeting of researchers, specialists, explorers, managers, policy makers and students to exchange ideas and share knowledge about advances in chemosynthesis-based ecosystems. Take advantage of the best early registration rates until May 31, 2020. You can also submit your abstract(s) by April 20, 2020. More information at https://www.cbe7.com/