Every atom you possess has almost certainly passed through several stars and been part of millions of organisms on its way to becoming you. We are each so atomically numberous and so vigorously recycled at death that a significant number of our atoms-up to a billion for each of us, it has been suggested-probably once belonged to Shakespeare. A billion more each came from Buddha and Genghis Khan and Beethoven, and any other historical figure you care to name.

I became quietly seized with that nostalgia that overcomes you when you have reached the middle of your life and your father has recently died and it dawns on you that when he went he took some of you with him.

On the dashboard of our family car is a shallow indentation about the size of a paperback book. If you are looking for somewhere to put your sunglasses or spare change, it is the obvious place, and it works extremely well, I must say, so long as the car is not actually moving. However, as soon as you put the car in motion ... everything slides off ... It can hold nothing that has not been nailed to it. So I ask you: what then is it for?

At the foot of the mountain, the park ended and suddenly all was squalor again. I was once more struck by this strange compartmentalization that goes on in America -- a belief that no commercial activities must be allowed inside the park, but permitting unrestrained development outside, even though the landscape there may be just as outstanding. America has never quite grasped that you can live in a place without making it ugly, that beauty doesn't have to be confined behind fences, as if a national park were a sort of zoo for nature.

The taipan is the one to watch out for. It is the most poisonous snake on Earth, with a lunge so swift and a venom so potent that your last mortal utterance is likely to be: "I say, is that a sn--

It was one of those sumptuous days when the world is full of autumn muskiness and tangy, crisp perfection: vivid blue sky, deep green fields, leaves in a thousand luminous hues. It is a truly astounding sight when every tree in a landscape becomes individual, when each winding back highway and plump hillside is suddenly and infinitely splashed with every sharp shade that nature can bestow - flaming scarlet, lustrous gold, throbbing vermilion, fiery orange.

The whole of the global economy is based on supplying the cravings of two per cent of the world's population.