Brain power improves by brain use, just as our bodily strength grows with exercise. And there is no doubt that a large proportion of the female population, from school days to late middle age, now have very complicated lives indeed.

It is eerie being all but alone in Westminster Abbey. Without the tourists, there are only the dead, many of them kings and queens. They speak powerfully and put my thoughts into vivid perspective.

The death of any man aged 56 is very sad for his widow and family. And no one would deny that Steve Jobs was a brilliant and highly innovative technician, with great business flair and marketing ability.

The death of any man aged 56 is very sad for his widow and family. And no one would deny that Steve Jobs was a brilliant and highly innovative technician, with great business flair and marketing ability.

The approach of death certainly concentrates the mind.