There's no such thing as saying that we'll ever find the ultimate cause of stuff. We can only work to push our understanding one step further.

The predominant theory of the origin of the universe is the Big Bang.

When we see what the universe has to show us, we can go no further.

I think my proper response is complete amazement and awe at the universe that we are in, and how it works is just far more complicated than humans will ever properly understand.

Half an hour of exercise in the morning makes for better interactions all day. Then a sound night of sleep gives me energy to tackle the next day. I am a more active parent, a better spouse, and more engaged in my work when I eat, move, and sleep well.

One of the things that I've always thought I would like to do is to develop an environmental index. Then people can measure their own environmental performance on an index as they do in other ways.

I feel the pressure to be toned, yeah, and everyone's going on about the thigh gap, but I like food more than exercise, so I'll just carry on that way.

When I did 'Dancing with the Stars' I did lose an awful lot of weight and I think at the time everybody was sort of alarmed by it. You can eat anything and it is still dropping off you when you are doing that amount of exercise.