This new article by Jonah Leher offers some interesting insights about our insights.
The new research also suggests how best to approach the thorniest problems. We tend to assume that experts are the creative geniuses in their own fields. But big breakthroughs often depend on the naive daring of outsiders. For prompting creativity, few things are as important as time devoted to cross-pollination with fields outside our areas of expertise. —Jonah Lehrer
(Go read the whole thing: here!)