Dit artikel werd samengesteld op basis van meerdere nieuwsbronnen.

Since the early 20th century, people’s skulls have got rounder and their jaws have got wider, probably because of changes in health, diet and environment

Draftartikel opgebouwd uit meerdere gegroepeerde nieuwsbronnen. Since the early 20th century, people’s skulls have got rounder and their jaws have got wider, probably because of changes in health, diet and environment