Even if we were to stop putting out greenhouse gases right now, we'd still face decades of warming.

The difference between e-mail and regular mail is that computers handle e-mail, and computers never decide to come to work one day and shoot all the other computers.

As useful as websites and journals are, there's real value in books, too.

Nature stopped being natural decades ago.

Future forecasting is all about testing strategies - it's like a wind tunnel.

Many of the cognitive enhancement drugs serve to increase focus and concentration. But 'letting your mind wander' is very often an important part of the creative process.

Don't expect to be able to upload your cat's brain into your Roomba any time soon.