I don't like seeing myself on television and I don't enjoy filming. What I actually enjoy is thinking about how I am going to express something or how we are going to make the visual metaphor.

It is important that legislation keeps pace with scientific progress.

Parents should talk to their children, even when they are babies and can't talk back.

However pragmatic you are, it is very demanding being a new parent.

Following 25 children for the TV series 'Child of Our Time' has been extraordinary. The BBC's original plan was to commemorate the new millennium. What better way than to film a number of expectant mums from across the U.K.? Coming from widely different backgrounds, all were due to give birth on January 1, 2000.

Scientists need to be prepared to engage, and the best people to engage with are students, ideally from primary school because there's no question that their capacity to work out complex things is extremely good.

The trouble with climate change is it's an extraordinarily diverse and complex issue, but for example if the BBC would let me make some of the programmes I'd like to make on climate change, I bet you there would be a change of emphasis.