Fieldwork at sea on the Atlantis research vessel. In January 2014 Carnegie's Dionysis Foustoukos, along with microbiologist and Carnegie postdoctoral fellow Ileana Peréz-Rodríguez and under-graduate student Matt Rawls of George Mason University, collected microorganisms from the volcanoes of the Pacific Ocean and cultured them onboard the oceanographic research vessel Atlantis.