Study Reveals Faster Human Skull Evolution
Hominids and hylobatids diverged 20 million years ago.
Primate brains began enlarging 2 million years ago.
Early modern humans appeared 300,000 years ago.
3D models analyzed seven hominid and nine hylobatid skulls.
Human skulls changed twice as much as expected.
Larger brains aided complex social behavior.
Human brains are three times bigger than ape relatives.
Gorillas rank second in skull-evolution rate.
2 weeks ago