LUND, Sweden, Aug. 22 (TNSjou) -- Lund University issued the following news release: * * * Uniquely preserved artillery offers clues of European colonisation Lund University archaeologists have revealed details of late medieval artillery from the wreck of the royal Danish-Norwegian flagship, Gribshunden. The shipwreck is the only known example of its kind from the medieval period - as both ship and weapons are nearly identical to those of the early Spanish and Portuguese explorers. The new st  more