What do these three words, inch, deal and peg, have in common? You might be able to answer more quickly if you've been spending time outdoors--it turns out that time in nature can actually enhance your brain function. Dr. Frank Ferraro, a psychology professor at Nebraska Wesleyan University, has been studying this phenomenon right here in the BWCAW. He talked with Dick May 8 about his research and what he found. Oh, the answer to that question? Square.