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

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

Nobody really expects a Nobel Prize call

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

From our point of view, the most exciting thing would be if we discovered something really fundamental in our understanding was just off a bit - and that now we have a chance to revisit it

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

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