Ethics is not routinely taught to science students except in medicine, and I think it should be.

My father died when I was nine, but I came from a stable family environment, which I think does contribute to being well-behaved.

We are more dependent on science and engineering than at any other time in history. However, there is plenty of evidence that far too many people are scientifically illiterate, often having been put off science at school.

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.

Our aggression is a deep instinct which survives in all kinds of manifestations in modern man.

People think I appear on television to promote my image. That's not fair. I hate filming. I turned down 'Strictly Come Dancing.' But television is a wonderful opportunity to promote scientific ideas. 'Super Doctors' is a very thoughtful piece.

There needs to be clearer communication for the public avout how valuable it [animal testing] is