What's a Stone Age axe doing in an Iron Age tomb?

Archeologists Olle Hemdorff og Eva Thäte investigate finds of older artifacts in younger graves. The axe from the Stone Age and the pearl from the Iron Age have been found in the same grave at Avaldsnes. (Credit: Image courtesy of The University of Stavanger)

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.

ScienceDaily (June 16, 2010) — "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.