and let's face it, the French Army couldn't beat a girls hockey team - Bill Bryson

One of my duties, this week, is to open the new Ustinov college," he confesses, "and while I'm delighted that Durham should honour its former chancellor this way — and I sincerely hope it continues this tradition for me — I can't help feeling that an American university would only have done so had the chancellor also handed over a substantial amount of dosh.

It is not as if farming brought a great improvement in living standards either. A typical hunter-gatherer enjoyed a more varied diet and consumed more protein and calories than settled people, and took in five times as much viatmin C as the average person today.

You may not feel outstandingly robust, but if you are an average-sized adult you will contain within your modest frame no less than 7 X 10^18 joules of potential energy — enough to explode with the force of thirty very large hydrogen bombs, assuming you knew how to liberate it and really wished to make a point.