we don't have the bertini catechism but in the course of addressing these questions, what is the impact, the questions of unintended consequences do come up and we think about the use things, not as much as we could in some cases but we do look to see how they might be defeated and how we might be surprised. looking at where this surprise comes from. >> this project seems -- spend the moment on that. >> gene editing has gotten out there, a fairly democra to lking atunintentional, something gets out to the environment, how do we kw the gene has been edited and how do we turn it off whether it is intentional or not and to mitigate them? >> the creators that created the termination data so if it escaped into the wild, its effects would be limited. and the context of dna works, it is crisper and the like and dependent on a supply of ingredients and available. giving the determination, that is an example of this kind of thing. >> you don't completely eliminate the surprises. th tand wi debate ti on it that is the proposal. >> we should never be surprised again. i have argued with darpa direc