Nobody really expects a Nobel Prize call

It seemed like my favourite kind of job - a wonderful chance to ask something absolutely fundamental: the fate of the Universe and whether the Universe was infinite or not

We have a remarkably complete picture in many ways - and it could be that we're not accounting for something that's almost three-quarters of the entire universe

So it's possible that someday, by understanding a little bit more about how the world works, it will come back to help us in some other way that will be surprising

As a scientist, you feel a sense of team spirit for your country but you also have a sense of team spirit for the international community.

There are still so many questions to answer. When you look at any part of the universe, you have to feel humbled.

I was one of those kids who always thought that we should know how the world works around us