Searching for Clues in Grave 33 by Annette Kollefrath-Persch Archaeologists and natural scientists are collaborating to explain pivotal cultural changes in the fifth century Burial offerings provide important information about the social status of the person they were buried with and help scientists to determine the time of the burial. Photo: Jean-Jacques Bigot/INRAP 20 Specialtopic:ResearchintheUpperRhineregion