Lakes, rivers, oceans, bays, even creeks and swimming pools are all blue space. Dr. Nichols, author of Blue Mind, a New York Times national best-seller, has been researching how blue spaces affect us. He calls it "the blue mind." The blue mind, he says, separates us from the pressures and distractions of life, which he refers to as "red mind." Having a blue mind lessens the stresses of the day and gives us a break from our overstimulated lives. Nichols says that the relationship of a boat to...