Jadzia Dax will be the station's science officer. A member in the Trill species, the humanoid Jadzia shares a symbiotic existence by using a very long-residing "symbiont" named Dax, who may have now knowledgeable seven prior life "joined" with other Trills. The former host, Curzon Dax, a larger-than-daily life diplomat and womanizer, was an in dept