The strange and stinky mystery behind Russia-Sweden tensions in the 1980swww.rbth.comSurveillance of a Soviet submarine, a Swedish prime minister, a secret room, a Russian president and herring farts – these are the elements of a detective story that unfolded between Russia and Sweden in the 1980-1990s. And who knows how it would have ended if scientists had not discovered the stinky truth at the heart of the mystery in time.