Societies advance through innovation every bit as much as economies do.

Courses can, and should, incorporate the excitement and fun of programming games, apps or even real digital devices.

Societies advance through innovation every bit as much as economies do.

Deeper fulfilment is rather different from the happiness of seeing a good film or watching your team win at football, and it doesn't come at the push of a button.

Before the Second World War, L'Oreal in France was an active supporter of the French fascists. The cosmetic group's founder Eugene Schueller was an active member of the 'Cagoule' group, committed to the violent overthrow of the Third Republic, and hosted meetings at Oreal headquarters.

Advisers who think that they are very clever while all around them are a bit thick, and that all the problems of the world would be solved if the thick listened to the clever, are liable to be disappointed.

Science is, rightly, searching for drugs to arrest ageing or to slow the advance of dementia. But the evidence suggests that many of the most powerful factors determining how you age come from what you do, and what you do with others: whether you work, whether you play music, whether you have regular visitors.