What's a Stone Age axe doing in an Iron Age tomb? The archaeologists Olle Hemdorff at the University of Stavanger's Museum of Archaeology and Eva Thäte are researching older objects in younger graves. They have found a pattern."If one finds something once, it's accidental. If it is found twice, it's puzzling. If found thrice, there is a pattern", the archaeologists Olle Hemdorff and Eva Thäte say. In 2005 the archaeologists investigated a grave at Avaldsnes in Karmøy in southwestern Norway, supposed to be from the late Iron Age, i.e. from 600 to 1000 AD. Avaldsnes is rich in archeological finds....