Analyzing data from 79 men and women who wore inconspicuous devices that recorded some of their conversations over the course of four days, researchers from Washington University and the University of Arizona found a correlation between feelings of well-being and the amount of time spent talking every day. Moreover, the more substantive your conversations, the happier you're likely to be. In other words, heart-to-hearts trump small talk. (LA Times, "A lof of happy talk", March 11, 2010, A21.)