An instant classic Michael S. Gazzaniga, author of The Consciousness InstinctHow do you pick the right moment to cross a busy road?Or decide if you can drive through a storm? What helps you discover a shortcut to a familiar route?The answer is PHYSICAL INTELLIGENCE.Renowned neuroscientist, doctor and keen climber Scott Grafton draws on the very latest research, experiences with patients and his own dangerous hikes in the wilderness to explore the hidden depths of this silent intellect we all possess. Physical Intelligence explains the science behind our oldest ability and takes a fascinating and vital look at how we could and should use it better.