In a breakthrough seven years in the making, an international team of scientists have reconstructed a synthetic and fully functional yeast chromosome. It's a remarkable advance that could eventually lead to custom-built organisms — humans included.
Perhaps the advocates of human enhancement have it all wrong. Maybe we'd all be happier and considerably more content if we were stupider. The answer to our woes, it would seem, might come in the form of a pill that permanently lowers our IQ.