From the bottom of the sea to the bottom of the globe, scientists are looking for life in Earth's most extreme environments. A marine scientist on the R/V Atlantis and a microbiologist studying life in Antarctica recount their adventures, and what their research has in common.
Craig Cary, professor of marine biosciences, University of Delaware, Lewes, Del.; chief scientist and principal investigator: "Extreme 2008: A Deep-Sea Adventure"
Ian McDonald, microbiologist, University of Waikato, New Zealand