Big Brain: The Origins and Future of Human Intelligence

Our big brains, our language ability, and our intelligence make us uniquely human.

But barely 10,000 years ago (a mere blip in evolutionary time) human-like creatures called "Boskops" flourished in South Africa. They possessed extraordinary features: forebrains roughly 50% larger than ours, and estimated IQs to match--far surpassing our own. Many of these huge fossil skulls have been discovered over the last century, but most of us have never heard of this scientific marvel.

Prominent neurosc...