PITTSBURGH, Pennsylvania, March 9 (TNSres) -- The University of Pittsburgh Swanson School of Engineering issued the following news: * * * Researchers discover the universal reason for adhesion hysteresis in a recent article published in the journal Science Advances * * * Peel-and-stick wallpaper makes a wall look nicer and is relatively easy to apply. However, removing it from the wall is more difficult. This phenomenon of requiring more energy to separate soft, elastic materials than to p  more