We collectively have a special place in our heart for the manned space flight program - Apollo nostalgia is one element, but that is only part of it. American culture worships explorers - look at the fame of Lewis and Clark, for example. The American people want to think of themselves as supporting exploration.

Suppose that every prospective parent in the world stopped having children naturally, and instead produced clones of themselves. What would the world be like in another 20 or 30 years? The answer is: much like today. Cloning would only copy the genetic aspects of people who are already here.

The techniques of being an Internet visionary are just like those of lower-tech fortunetellers through the ages. A technological visionary must tell people what they want to hear, because your company's stock won't rise if you spout an unpopular vision to analysts.

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

If people don't get paid for their inventions, that's not a good thing. In the case of many patents, there are people who aren't in a position to take them to the next level. If you don't enforce your rights, no one is going to enforce them for you.

The simplest fix for better grilling is to line the inside of your barbecue with tin foil. It dramatically affects how evenly the heat is distributed. That crusty black hibachi or Weber grill is doing your food no favors.

Three things about water affect almost all of cooking. First are the hydrogen bonds, which is why it has an incredibly high boiling point. Another is that it's a polar molecule, so that it dissolves a lot of things, and there are things that won't mix with it. And then there's how much energy it takes to heat water.