The people are immensely likable— cheerful, extrovert, quick-witted, and unfailingly obliging. Their cities are safe and clean and nearly always built on water. They have a society that is prosperous, well ordered, and instinctively egalitarian. The food is excellent. The beer is cold. The sun nearly always shines. There is coffee on every corner. Life doesn't get much better than this.

We are so used to the notion of our own inevitability as life's dominant species that it is hard to grasp that we are here only because of timely extraterrestrial bangs and other random flukes. The one thing we have in common with all other living things is that for nearly four billions years our ancestors have managed to slip through a series of closing doors every time we needed them to.

You don't need a science degree to understand about science. You just need to think about it.

My first rule of travel is never to go to a place that sounds like a medical condition and Critz is clearly an incurable disease involving flaking skin.

If you drive to, say, Shenandoah National Park, or the Great Smoky Mountains, you'll get some appreciation for the scale and beauty of the outdoors. When you walk into it, then you see it in a completely different way. You discover it in a much slower, more majestic sort of way.

Book tours are really kind of fun. You get to stay in nice hotels, you are driven everywhere in big silver cars, you are treated as if you are much more important than you are, you can eat steak three times a day at someone else's expense, and you get to talk endlessly about yourself for weeks at a stretch.

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--