In spring 2012, the Deep Sea Challenge Expedition with film director and National Geographic Explorer in Residence James Cameron conducted submersible operations in the deepest point on Earth, the Mariana Trench. Join Scripps scientist Doug Bartlett, a leading expert in microbial life in the planet's most remote and extreme places, as he describes what it was like to serve as chief scientist on this headline expedition. Find out how Bartlett's research is providing greater insight into how organisms thrive in such extreme depths of the ocean. (#24561)