If language started with hand gestures, why did it later become vocal?
Kensy Cooperrider writes: Some say language evolved by firelight, with our ancestors sharing stories deep into the night. Others suggest it began as baby talk, or as imitations of animal calls, or as gasps of surprise. Charles Darwin proposed that language started with snippets of song; Noam Chomsky thought it was just an accident, the result of a freak genetic mutation. Proposals about the origins of language abound. And it’s no wonder: language is a marvel, our most distinctive capacity….