Just as words in their proper places form sentences, each individual strike must be done in the proper order to get the desired result: a flat stone blade.

There's one thing that shows up on all of the lists of what makes us human: language. Our ability to share our thoughts and complex information with others far surpasses all the barks, squeaks and growls of our animal friends.

The Kindle is just the razor. The books are the blades - ka-ching!

Why is Wi-Fi free at cheap hotels, but $14 a night at expensive ones?

Scientists in California have discovered a chemical in the brain that causes use of Windows in otherwise normal human beings. It's called alcohol.

For the last 15 years, Microsoft’s master business plan seems to have been, “Wait until somebody else has a hit. Then copy it.”

The biggest surprise watching video on the tiny, 2.5-inch screen (320 by 240 pixels) is completely immersive. Three unexpected factors are at work. First, the picture itself is sharp and vivid, with crisp action that never smears the screen is noticeably brighter than on previous iPods. Second, because the audio is piped directly into your ear sockets, it has much higher fidelity and presence than most peoples TV sets. Finally, remember that a 2.5-inch screen a foot from your face fills as much of your vision as a much larger screen thats across the room.