ASHEVILLE, N.C. (BP) -- The gift of speech, one of the capabilities that defines humans, appears to defy evolutionary explanations. Even now, a century and a half since Charles Darwin published "On the Origin of Species," scientists seem to be no closer to discovering how human language developed.
For the past 20 years, science textbooks have taught students that two small genetic mutations, unique to humans, are responsible for human language. Time magazine reported in 2006 that these FOXP2 gene mutations may account for "the emergence of all aspects of human speech, from a baby's first words to a Robin Williams monologue." Read More