communication, evolution, human voice, speech, voice box

Scientists Discover an Evolutionary Oddity That Led to the Human Voice

Compared to other primates, humans have exceptional pitch control and an ability alien to other species: speaking. But why are humans the only animals that possess a voice? And why do humans have more voice control than nonhuman primates? Scientists believe evolutionary changes in the human voice box aided our ability to have long and ...

Nathan Machoka

Two girls talking.