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.
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 PogueThere'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 Pogue