A key issue in developmental biology at that time was the problem of how cells underwent differentiation, with most workers concentrating on explanations in terms of changes in enzyme and gene regulation. Paul Nurse More Quotes by Paul Nurse More Quotes From Paul Nurse I am still a keen mountain walker and an enthusiastic glider pilot. Paul Nurse enthusiastic mountain pilots I felt strongly that since the pursuit of good science was so difficult it was essential that the problem being studied was an important one to justify the effort expanded. Paul Nurse effort essentials important I had a great time investigating the pigments of different mutant fruit flies by following experimental protocols published in Scientific American, and I also remember making my own beetle collection when it was still acceptable to make such collections. Paul Nurse fruit-flies mutants different Ever since Sir Isaac Newton's times, scientists have worked in the same sort of way: They show a great respect for experiment and observation, They don't cherry pick data, They take a skeptical approach to what they do. And then scientists work together to get a consensus as to what should be believed And that generates very reliable knowledge and that reliable knowledge drives innovation Paul Nurse innovation data working-together Human gene editing offers great promise for improving human health and well-being but it also raises significant ethical and societal issues, it is vital that we have a well-informed international debate about the potential benefits and risks, and this summit can hopefully set the tone for that discussion. Paul Nurse healthcare I decided that the University of Sussex in Brighton was a good place for this work because it had a strong tradition in bacterial molecular genetics and an excellent reputation in biology. Paul Nurse good tradition strong work My 6 years with Murdoch were pivotal for my entire research career. Paul Nurse career were research years