Bioastronomy 2004: Habitable Worlds, Reykjavik, Iceland, July 12-16, 2004 Posted on July 1, 2014 by UHNAI Webmaster in Boss, A., Meech, K.J., Thorsteinsson, T. (). Bioastronomy 2004: Habitable Worlds, Reykjavik, Iceland, July 12-16, 2004. , 4,