Tenner starts the book off in a interesting direction with foreshadowing terms rearranging effect , repeating effect, complicating effect, regenerating effect, recongesting effects, Revenge effect and reverse revenge effect which lye as a base. The base of these terms and meaning made me think about different fields of science and how they terms have shaped the field. Tenner illustrates a history of these principles thru Mary Shelley the writer of Frankenstein because she pointed out “dilemmas of all science-based technology.”(Tenner 15) Shelley wrote about technology that was not developed at the time, but science and technology were a new combination for the time. Being able to analyze DNA and understand a portion of what we are looking