Nanophase iron oxides as a key ultraviolet sunscreen for ancient photosynthetic microbes, International Journal of Astrobiology How do microorganisms reach the stratosphere?, International Journal of Astrobiology The sulphur dilemma: are there biosignatures on Europa’s icy and patchy surface?, International Journal of Astrobiology Particle separation and concentration in natural systems, International Journal of Astrobiology Monocyanopolyynes from a carbon arc in ammonia: about the relative abundance of polyynes series formed in a carbon arc and those detected in the circumstellar shells of AGB stars, International Journal of Astrobiology Spectral analyses of sabkha sediments with implications for remote sensing on Mars, International Journal of Astrobiology The potential for prebiotic chemistry in the possible cryovolcanic dome Ganesa Macula on Titan, International Journal of Astrobiology Abstracts from the Fifth European Workshop on Astrobiology EANA European Astrobiology Network Association 1012 October 2005 Budapest, Hungary, International Journal of Astrobiology Related Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp... More by Keith Cowing