Babel's Dawn: A Natural History of the Origins of Speech

Babel's Dawn is a saga covering six million years. Like a walk through a natural history museum, Bolles demonstrates how members of the human lineage came to speak. Beginning with a scene of the last common ancestor ignoring a bird as it flies by, he guides us through generations, illuminating how it became possible for two Homo sapiens to not only acknowledge the songbird, but to also discuss the meaning of its song.

Tracing the rise of voluntary vocalizations as well as the first word, ph...