Several human skulls found mounted on wooden stakes have been uncovered from a Stone Age lake bed in central Sweden in what is believed to be the first discovery of its kind anywhere in the world. “We found two skulls that still had wooden stakes sticking out of them through a whole at the base of the skull,” archeologist Fredrik Hallgren, head of excavation with the Stiftelsen Kulturmiljövård Mälardalen (‘Cultural Preservation Society of Mälardalen’) told The Local. The skulls and other artifacts, including bones of wild animals, were recovered at the Kanaljorden excavation site in the town of Motala in...