The explorer's gene why we seek big challenges, new flavors, and the blank spots on the map

"Off the beaten path, on unmarked trails, we are wired to explore. More than just a need to get outside, the search for the unknown is a specific, primal urge that has shaped the history of our species and continues to mold our behavior in ways we are just beginning to understand. In fact, the latest evolutionary neuroscience suggests that exploration is an essential ingredient of human life. Exploration, it turns out, isn't merely a hobby-it's o...