Sam, in regards to the YC research, do you actively go out to recruit scientists or do they have to come to YC to apply? Can you give a little bit more details

Sam, in regards to the YC research, do you actively go out to recruit scientists or do they have to come to YC to apply? Can you give a little bit more details on the recruitment process? I have a friend who's a physicist working on graphene and he would really like to apply.