helen humphrey for example had the chance to meet with the head off center in the european organization for nuclear research to discuss the global challenges. fabulous john ought to thank you for joining us many thanks for the opportunity of this tract now as the head of a center for nuclear research you know perhaps better than anyone the power of a split atom and therefore the power of nuclear warheads does that keep you up at night knowing that there are potentially unwieldy leaders who have nuclear codes nuclear buttons on their desks of course this is a warning and for what everybody on the other hand this clear that we cannot stop science because of the fear on how science is going to be used because you know i thought nuclear physics through it has led to atomic and nuclear weapons on the other hand it has also led to nuclear medicine which is used to treat cancer and to and to cure people so i think that we cannot really stop in order to because we are afraid of how government or political authorities are going to use it these uncertain times that times of hand-wringing worrying times how important