Scientific American Frontiers 1993. Actor Alan Alda became the permanent host starting in the fall season of 1993 and continued until the show ended in 2005. So the show was also billed as "Alan Alda in Scientific American Frontiers". Alda's tenure has been notable for his humble and often humorous approach: in one memorable segment, he became car sick while driving an experimental, virtual reality vehicle. In 2005, Alda published his first round of memoirs, "Never Have Your Dog Stuffed: and Other Things I've Learned", published by Random House (); in the book, he recalls his intestines becoming strangulated while on location in
Things Which Have Never Yet Been Done W. Kepler opined that the episode displayed "Orphan Black" "finest qualities (strong characterisation, dark satire and shocking moments) and its worst (odd pacing and ropey plotting)". He enjoyed Alison and Donnie's comedic subplot and praised Maslany's performance as Rachel, but found the conclusion to Helena's storyline with the Proletheans "baffling" and "haphazard". Things Which Have Never Yet Been Done "Things Which Have Never Yet Been Done" is the ninth episode of the second season, and the nineteenth episode overall, of the Canadian science fiction television series "Orphan Black". It first aired in Canada on Space and the United States on