A fingerprint has been found in the tars used to build the oldest known wooden plank boat in Scandinavia, which provides a direct link to the seaborne raiders who used the boat over 2,000 years ago.
About 2,400 years ago, before the emergence of the Roman empire, a small armada of boats approached the island of Als off the coast of southern Jutland in modern-day Denmark. The armada carried around ...