There can be theory but, you know, the problem is you've got to be able to test it. So theories are one thing, testing is another..

If we're damaged it will take 20 years to fix ourselves. It only takes one year to cause 20 years of damage..

I think a scientist's job is to explore the Universe, to explore the cosmos around us. People always want to know - why is that useful? Well, on just….

Australians have a free spirit and an ability to think outside the box, and that is why I like Australia so much..

Because I helped discover the expansion rate of the universe was accelerating..

I'm actually surprised how technical a lot of commercial wine production is. Things are done very much from an industrial chemistry point of view at ….