Christina De La Rocha http://www.geology.lu.se/christina-de-la-rocha Christina De La Rocha is a Visiting Scientist at the Department of Geology at Lund University, Sweden. She has previously been a Lecturer in Earth Sciences (University of Cambridge, UK), Senior Scientist (Alfred Wegener Institute for Marine and Polar Research, Germany), and Professor of Marine Science (Université de Bretagne Occidentale, France). She has co-edited a previous book (Work Meets Life: Exploring the Integrative Study of Work in Living Systems) and started to write short science fiction (Pleistocene Brains). Daniel Conley http://www.geology.lu.se/daniel-conley Daniel Conley is Professor of Biogeochemistry (Lund University, Sweden), Wallenberg Scholar, and Pew Fellow.