It is a tough choice between ending up in the cold or ending up in a fiery blast.

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

You might expect gravity would slow it down, but it's just expanding faster and faster

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.

It's an unusual opportunity, a chance for so many people to share in the excitement and the fun of the fact that we may be on to hints as to what the Universe is made out of. I guess the whole point of a prize like this is to be able to get that out into the community

It's interesting to wake up at 3 in the morning by someone saying they're a reporter and they want to know how you feel. I felt fine, but I said, 'Well, why do you ask?'