"Only fossils younger than 35,000 years show the same globular shape as present-day humans, suggesting that modern brain organization evolved some time between

"Only fossils younger than 35,000 years show the same globular shape as present-day humans, suggesting that modern brain organization evolved some time between 100,000 and 35,000 years ago." If humans reached Australia well before 35,000 years ago and lived in isolation there and the evolutionary pressure in Australia differed noticeably from that in the rest of the world, then that narrows the gap. And, and.