Russian scientist Dr. Dmitry Fedyanin seemed to die doing what he loved. German officials say the 34-year-old expert in ultra-violet light and a senior research fellow at the Nanooptics Department of Siegen University in Germany fell to his death Berchtesgadener Alps National Park after following his hiking app over a cliff. Fedyanin’s body was found at the bottom of Hoher Laafeld peak, which sits at about 7,000 feet. Fedyanin was using his hiking app to make his way down the mountain but the route he was taking didn’t have paths and the app “sent him over mountain precipice.” “Our investigators...