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.
David PogueWalking is a skill that took millions of years for us to develop... If you wanted to design a robot that could walk as well as a person, this would be fantastically complicated software. It would have to be doing billions of calculations with every step.
David PogueScientists in California have discovered a chemical in the brain that causes use of Windows in otherwise normal human beings. It's called alcohol.
David Pogue