Modern People Making Stone Age Tools
How did humans get to be so smart, and when did this happen? To untangle this question, we need to know more about the intelligence of our human ancestors who lived 1.8 million years ago. It was at this point in time that a new type of stone tool hit the scene and the human brain nearly doubled in size.
Thinking about Thinking
As far as we know, human beings are the only animal capable of introspection—the ability to examine our own mental processes.
Monsters Incorporated
When was the last time you were stalked and attacked by a hungry mountain lion—or any other large predator for that matter?