If your current residence was the largest airtight self-sustaining life support system ever built, how would you phone home? The eight Biospherians lurking under the big sealed bubble in Arizona exchanged Christmas greetings with their loved ones via videoconferencing systems from PictureTel Corp, Peabody, Massachusetts; like the biosphere of the earth, Biosphere 2 is a stable, complex and evolving system containing seven biomes, tropical rainforest, savannah, marsh, marine, desert, intensive agriculture and human habitat and the eight Biospherians will be living there for two years to carry out experiments; PictureTel co-sponsored the Christmas video calls with the videoconferencing service, Biocom Inc, Angel Fire, New Mexico.
