This thermistor array, designed by Giora Proskurwoski, a Project Scientist as part of the UW cabled observatory team, will allow 3-D measurements to be made in diffuse flow sites over time, with real-time transmission of the data to shore via the cable. Temperature, in part, governs where animals and microbes thrive, expire, and evolve at vent sites. Photo by Mary Levin, UW.