The world's oldest purse may have been found in Germany -- and its owner apparently had a sharp sense of Stone Age style. Excavators at a site near Leipzig (map) uncovered more than a hundred dog teeth arranged close together in a grave dated to between 2,500 and 2,200 B.C. According to archaeologist Susanne Friederich, the teeth were likely decorations for the outer flap of a handbag... The dog teeth were found during excavations of the 250-acre (100-hectare) Profen (map) site, which is slated to become an open-pit coal mine in 2015. So far the project has uncovered evidence of...