I would argue that in any habitable zone that doesn't boil or freeze, intelligent life is going to emerge because intelligence is convergent.

If there were a clear prospect that such evils were part of a barbarian past, then at least we might find a small crumb of comfort. No such prospect exists: no scientific analysis can even remotely answer or account for past and present horrors of human behaviour.

Scientists have wonderfully explained the organization of the universe, but that's really all it claims to do, and I think it does that very successfully.

Ethics are pre-determined and a matter of discovery, not a evolved concept.

Climate change - for so long an abstract concern for an academic few - is no longer so abstract. Even the Bush administration's Climate Change Science Programme reports 'clear evidence of human influences on the climate system.'

The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.

I think we need to price carbon; there's no question about it. The way we do it needs to be based on science and not political debates and attacks, and that's why I'm drawing on experts and best practices from around the world.

I've always wanted to do a project with space imagery because I've always loved these amazing sci-fi electro book covers. I've always loved science fiction. I feel like space imagery has no boundaries.