It’s not a matter of individual differences in intelligence; it’s a matter of the character of the organ we all possess, its biological nature and its evolutionary history. The brain does do a few things exquisitely well—things like sensing and moving the body, navigating through space, and connecting with other humans. These activities it can manage fluently, almost effortlessly. But accurately recalling complex information? Engaging in rigorous logical reasoning? Grasping abstract or counterintuitive ideas? Not so much.
