To my mind, the most important aspect of the Nobel Awards is that they bring home to the masses of the peoples of all nations, a realization of their common interests. They carry to those who have no direct contact with science the international spirit.
Whenever I realize I'm being a goofball, I write it down. When I release the joke onstage, I love watching the effect it has on the audience. No one wants to see someone talk who takes themselves too seriously.
I think feature film can be quite conservative, because you have to now get audiences to come out, and it's quite a hard thing to do. Of course, television can be conservative too.