The Bible Code (book) the DNA of the human genetic code to Earth). Drosnin elaborates on this theory in "The Bible Code II", suggesting that the alien who brought the code left the key to the code in a steel obelisk. Drosnin attempted to find this obelisk, which he believes is buried near the Dead Sea. Drosnin's book is based on the technique described in the paper "Equidistant Letter Sequences in the Book of Genesis" by Professor Eliyahu Rips of the Hebrew University in Israel with Doron Witztum and Yoav Rosenberg. "The Bible Code" makes numerous predictions and post-diction, such as the false prediction
The Ark in Space was treated as a single six-part story to save money; "The Ark in Space" was filmed entirely in-studio, while "The Sontaran Experiment" was filmed entirely on location. "The Ark in Space" is the first broadcast story from Hinchcliffe as producer. Hinchcliffe believed that in order to expand the show's core audience, it was necessary to broaden the show's appeal to adults, and "Ark in Space" demonstrates this with its use of horror, particularly the inexorable transformation of Noah into an alien creature. A scene in which the half-transformed Noah begs Vira to kill him was deemed too scary for children