That Britain today is a liberal society is largely because of the philosophy and outlook of the Anglican Church, which did so much to shape our core values in the past few centuries.

Robots may cut down on infection and mean a consultant can see more patients, but wouldn't you rather meet the doctor than a machine?

A young woman in her teens has about 300,000 eggs in her ovaries. By the time she is menopausal, none are left.

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

Over the past 20 years, I have presented many science programmes on BBC1. But none is, I think, more socially important, or of more human interest, than this ongoing series of 'Child of Our Time.'

That Britain today is a liberal society is largely because of the philosophy and outlook of the Anglican Church, which did so much to shape our core values in the past few centuries.

Now we have technology where we can modify the genomics of individuals by gene transfer and genetic meddling, we may find that people will want to modify their children, enhance their intelligence, their strength and their beauty and all the other so-called desirable characteristics.