The Human Brain Has been Getting Smaller Since the Stone Age

Yep, brains are shrinking.

Stone Age - Wikipedia

How We Became Homo Sapiens Food for the Brain Foundation

Popular Science Writing

Future evolution: from looks to brains and personality, how will humans change in the next 10,000 years?

Our ancestors first developed humanlike brains 1.7 million years ago - Big Think

Ancient Human Relatives Buried Their Dead in Caves, New Theory Claims - The New York Times

Why did human brains decrease in size 3,000 years ago? - Quora

Why have our brains became smaller since the stone age? - Quora

If Modern Humans Are So Smart, PDF, Human

The human brain has gotten smaller since the stone age. We are more reliant on society and have to solve less problems ourselves. - 9GAG

The evolution of modern human brain shape