University of Pennsylvania Museum of Archaeology and Athropology


Author: Philip Lieberman

Tracking the Evolution of Language and Speech

Comparing Vocal Tracts to Identify Speech Capabilities

By: Philip Lieberman and Robert McCarthy

In 1973 Theodosius Dobzhansky wrote that “nothing in biology makes sense except in the light of evolution.” This dictum applies equally well to human language and speech, which have an evolutionary history that has yet to be fully discovered. Unfortunately, apart from their sometimes fossilized bones and archaeological traces of their behavior, nothing remains of […]