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.

The cloning procedure is similar to IVF. The only difference is that the DNA of sperm and egg would be replaced by DNA from an adult cell. What law or principle - secular, humanist, or religious - says that one combination of genetic material in a flask is OK, but another is not?

If you have a block of ballistics gelatin and a high-speed camera, pretty soon somebody gets a gun!

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.

The reason societies with democratic governments are better places to live in than their alternatives isn't because of some goodness intrinsic to democracy, but because its hopeless inefficiency helps blunt the basic potential for evil.

Making money from enforcing patents is no more wrong than investing in preferred stock.

With cult foods, there is an underlying assumption that the best cooking ideas came generations ago. Yet culinary innovation is nothing to be ashamed of. When a chef tells me he is cooking with his grandmother's recipe, I always wonder why. Did talent skip the past two generations?