Reviews Alien Ocean: Anthropological Voyages in Microbial Seas by Stefan Helmreich Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News July 17, 2009 at 10:06 am Research reveals the complexity and diversity of microbial life in the sea.Univ. of California, 2009, 403 p., $24.95. Alien Ocean: Anthropological Voyages in Microbial Seas by Stefan Helmreich