Students from the International Genetically Engineered Machines (iGEM) design team will give an interactive demonstration of the science at the heart of S&T’s current One Book Program selection, The Immortal Life of Henrietta Lacks. The demonstration will take place 4-5 p.m. Tuesday, April 15, in St. Pat’s Ballroom B of the Havener Center. This event is free and open to the public.