Long, long ago--even before "once upon a time"--when people lived in caves, and woolly mammoths and saber-tooth tigers roamed the land, communication generally meant a few grunts and a couple of bonk bonks on the head with a big club for emphasis. But what if a young caveboy suddenly began pulling words out of thin air and naming everything in sight? And what if a young cavegirl suddenly... (read more)