ocr: 9 Or THE: SEARCHI FORI LIFE METEORIIES THE SETI PROGRAM Life in terrestrial permafrost The conditions to which living organisms would be subjected on Mars are equivalent to those in terrestrial permafrost. Life might seem impossible in these permanently frozen layers below the Earth's surface. But, specialists at the former Soviet Institute for: Soil and Photo- synthesis Sciences and the Hamburg Botanical Institute have: discovered active nitrogen-fixing bacteria at a depth of 35 meters in the Siberia subsoil, a layer of permafrost that is several million years old. Encapsulated in bubbles in ...