claim: Times Higher Education World University Rankings is a publication of rankings by The Chronicle of Higher Education.
evidence: `` 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 .. Orphan Black. Orphan Black. science fiction. science fiction. It first aired in Canada on Space and the United States on BBC America on 14 June 2014 .. Space. Space ( TV channel ). BBC America. BBC America. The episode was written by Alex Levine and directed by TJ Scott .. TJ Scott. TJ Scott. The series focuses on a number of identical human clones , all of whom are played by Tatiana Maslany  : Sarah Manning , Alison Hendrix , Cosima Niehaus , Rachel Duncan , and Helena .. clones. cloning. Tatiana Maslany. Tatiana Maslany. In this episode , Sarah 's daughter Kira -LRB- Skyler Wexler -RRB- undergoes bone marrow extraction to donate to Cosima in an attempt to cure Cosima 's illness .. bone marrow. bone marrow. Alison and her husband Donnie -LRB- Kristian Bruun -RRB- attempt to bury Dr. Aldous Leekie 's body , while Helena attempts to escape from the ranch of the Proletheans , a religious extremist group .. Kristian Bruun. Kristian Bruun. `` Things Which Have Never Yet Been Done '' marked the first on-screen appearance of Kathryn Alexandre , who also works on the show as Maslany 's `` clone double '' when filming scenes where multiple clones interact .. Kathryn Alexandre. Kathryn Alexandre. clones. cloning. The episode was filmed at various locations in Toronto and the title was taken from Francis Bacon 's work Novum Organum .. Toronto. Toronto. Francis Bacon. Francis Bacon. Novum Organum. Novum Organum. It was watched by 613,000 viewers in the United States and received mostly positive reviews from critics .