The Brain Rules film, available at, is an integral part of the project. You might use the DVD as an introduction, and then jump between a chapter in the book and the illustrations online.
exercise boosts brain power (Brain Rule #1) in such populations. Exercisers outperform couch potatoes in long-term memory, reasoning, attention, and problem-solving tasks.
The brain appears to be designed to solve problems related to surviving in an unstable outdoor environment, and to do so in nearly constant motion. I call this the brain’s performance envelope.
human brain became the most powerful in the world under conditions where motion was a constant presence.