The scientific method is the ultimate elegant explanation. It is the ultimate foundation for anything worthy of the name "explanation". It makes no sense to talk about explanations without having a process for deciding which are right and which are wrong, and in a broad sense that is what the scientific method is about. All of the other wonderful explanations celebrated here owe their origin and credibility to the process by which they are verified-the scientific method.

Suppose that 'Unsolved Mysteries' called you with news of a long-lost identical twin. Would that suddenly make you less of a person, less of an individual? It is hard to see how. So, why would a clone be different? Your clone would be raised in a different era by different people - like the lost identical twin, only younger than you.

Micropayments are great if you use them for a product or service with certain properties. It must be one where you can get away with usage-based pricing, and where there is a strong rationale for making it cheap, yet not free.

Technological 'revolutions' don't really overthrow anything - they simply append a new and dynamic market to that which went before.

Software-industry battles are fought by highly paid and out-of-shape nerds furiously pounding computer keyboards while they guzzle diet Coke. The stakes aren't very dramatic. Life? Liberty? The pursuit of happiness? Nope, it's about stock options.

People get cranky when you burst their bubble. Over time, advances in astronomy have relentlessly reinforced the utter insignificance of Earth on a celestial scale. Fortunately, political and religious leaders stopped barbecuing astronomers for saying so, turning their spits with human-rights activists instead.

Bill, we left megalomania behind a long time ago. Now we are gigalomaniacs.