The rise of farming altered our bite and changed how people talk
Eating softer food preserves a slight overbite that makes it easier to pronounce certain sounds
SOUND BITES The skull of an ancient female hunter-gatherer from Romania (left) lacks a slight overbite seen in the 2,500-year-old skull of an adult male from Greek civilization (right).
Mihai Constantinescu, Institutul de Antropologie; Gianni Tortoli/Science Source