Nuclear energy is a baseload - meaning it's power that you can run any time you want, day or night - and carbon-free.

Why pay a fee for Internet content when a million free sites are just a click away? There's no incentive until people are too addicted to the Net to turn off their computers, yet are bored with what's available.

If people don't find what you are doing threatening, then it is probably not very important.

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.

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?

The physics of water is central to cooking, because food is mostly water. All steak that you cook is actually boiled on the inside.

Don't let the secret recipe die with the inventor.