Chela-Flores, J. Andrés Cicuttin, María Liz Crespo and Claudio Tuniz (2013). Biogeochemical fingerprints of life: From Antarctica ecosystems to the Galilean moons. A videoconference at BIOGEOSCIENCES-2013. International Conference on Biogeosciences. Modeling natural environments: From Earth's ecosystems of exoplanets. Organized by Universidad Central de Las Villas, Cuba, November, 4-7. Summary. Paper. Preparation and editing of the podcast by Mr. Andrea Stefani from the Information and Communication Technology Section, The Abdus Salam International Centre for Theoretical Physics of IAEA and UNESCO.