YouTuber Mai Thi Nguyen-Kim talks to Nobel Prize winner in Chemistry Emmanuelle Charpentier about the discovery that revolutionized genetic engineering – the Crispr-Cas9 gene scissors – and the possibilities of genome editing. This interview took place during the 72nd Annual General Meeting of the Max Planck Society and brought Emmanuelle Charpentier in Berlin and Mai Thi Nguyen-Kim in Frankfurt together in one room.